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Author SHA1 Message Date
Christian Schwarz 3de3e2b688 WIP: draft incomplete keep rule for keeping most recent common ancestor 2020-02-17 17:46:31 +01:00
483 changed files with 12028 additions and 34117 deletions
+87 -277
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@@ -1,300 +1,110 @@
version: 2.1
orbs:
# NB: this is not the Go version, but the Orb version
# https://circleci.com/developer/orbs/orb/circleci/go#usage-go-modules-cache
go: circleci/go@1.11.0
commands:
setup-home-local-bin:
steps:
- run:
shell: /bin/bash -euo pipefail
command: |
mkdir -p "$HOME/.local/bin"
line='export PATH="$HOME/.local/bin:$PATH"'
if grep "$line" $BASH_ENV >/dev/null; then
echo "$line" >> $BASH_ENV
fi
apt-update-and-install-common-deps:
steps:
- run: sudo apt-get update
- run: sudo apt-get install -y gawk make
# CircleCI doesn't update its cimg/go images.
# So, need to update manually to get up-to-date trust chains.
# The need for this was required for cimg/go:1.12, but let's future proof this here and now.
- run: sudo apt-get install -y git ca-certificates
install-docdep:
steps:
- apt-update-and-install-common-deps
- run: sudo apt install python3 python3-pip libgirepository1.0-dev
- run: pip3 install -r docs/requirements.txt
docs-publish-sh:
parameters:
push:
type: boolean
steps:
- checkout
- run:
command: |
git config --global user.email "zreplbot@cschwarz.com"
git config --global user.name "zrepl-github-io-ci"
# if we're pushing, we need to add the deploy key
# which is stored as "Additional SSH Keys" in the CircleCI project settings.
# We can't use the CircleCI-manage deploy key because we're pushing
# to a different repo than the one we're building.
- when:
condition: << parameters.push >>
steps:
# https://circleci.com/docs/2.0/add-ssh-key/#adding-multiple-keys-with-blank-hostnames
- run: ssh-add -D
# the default circleci ssh config only additional ssh keys for Host !github.com
- run:
command: |
cat > ~/.ssh/config \<<EOF
Host *
IdentityFile /home/circleci/.ssh/id_rsa_458e62c517f6c480e40452126ce47421
EOF
- add_ssh_keys:
fingerprints:
# deploy key for zrepl.github.io
- "45:8e:62:c5:17:f6:c4:80:e4:04:52:12:6c:e4:74:21"
# caller must install-docdep
- when:
condition: << parameters.push >>
steps:
- run: bash -x docs/publish.sh -c -a -P
- when:
condition:
not: << parameters.push >>
steps:
- run: bash -x docs/publish.sh -c -a
parameters:
do_ci:
type: boolean
default: true
do_release:
type: boolean
default: false
version: 2.0
workflows:
version: 2
ci:
when: << pipeline.parameters.do_ci >>
build:
jobs:
- quickcheck-docs
- quickcheck-go:
name: quickcheck-go-amd64-linux-1.23.1
goversion: &latest-go-release "1.23.1"
goos: linux
goarch: amd64
- test-go:
goversion: *latest-go-release
- quickcheck-go:
requires:
- quickcheck-go-amd64-linux-1.23.1 #quickcheck-go-smoketest.name
matrix:
alias: quickcheck-go-matrix
parameters:
goversion: [*latest-go-release, "1.22.7"]
goos: ["linux", "freebsd"]
goarch: ["amd64", "arm64"]
exclude:
# don't re-do quickcheck-go-smoketest
- goversion: *latest-go-release
goos: linux
goarch: amd64
- platformtest:
matrix:
parameters:
goversion: [*latest-go-release]
goos: ["linux"]
goarch: ["amd64"]
requires:
- test-go
- quickcheck-go-<< matrix.goarch >>-<< matrix.goos >>-<< matrix.goversion >>
release:
when: << pipeline.parameters.do_release >>
jobs:
- release-build
- release-deb:
requires:
- release-build
- release-rpm:
requires:
- release-build
- release-upload:
requires:
- release-build
- release-deb
- release-rpm
publish-zrepl.github.io:
jobs:
- publish-zrepl-github-io:
filters:
branches:
only:
- stable
- build-1.11
- build-1.12
- build-1.13
- build-latest
jobs:
quickcheck-docs:
docker:
- image: cimg/base:2024.09
steps:
- checkout
- install-docdep
# do the current docs build
- run: make docs
# does the publish.sh script still work?
- docs-publish-sh:
push: false
quickcheck-go:
# build-latest serves as the template
# we use YAML anchors & aliases to exchange the docker image (and hence Go version used for the build)
build-latest: &build-latest
description: Builds zrepl
parameters:
goversion:
type: string
goos:
type: string
goarch:
image:
description: "the docker image that the job should use"
type: string
docker:
# any toolchain >= 1.22 will auto-download GOTOOLCHAIN
- image: &cimg_with_modern_go cimg/go:1.22
- image: circleci/golang:latest
environment:
GOOS: <<parameters.goos>>
GOARCH: <<parameters.goarch>>
GOTOOLCHAIN: "go<<parameters.goversion>>"
# required by lazy.sh
TERM: xterm
working_directory: /go/src/github.com/zrepl/zrepl
steps:
- run:
name: Setup environment variables
command: |
# used by pip (for docs)
echo 'export PATH="$HOME/.local/bin:$PATH"' >> $BASH_ENV
# we use modules
echo 'export GO111MODULE=on' >> $BASH_ENV
- restore_cache:
keys:
- source
- protobuf
- checkout
- go/load-cache:
key: quickcheck-<<parameters.goversion>>
- run: make build/install
- run: go mod download
- run: cd build && go mod download
- go/save-cache:
key: quickcheck-<<parameters.goversion>>
- save_cache:
key: source
paths:
- ".git"
# install deps
- run: wget https://github.com/protocolbuffers/protobuf/releases/download/v3.6.1/protoc-3.6.1-linux-x86_64.zip
- run: echo "6003de742ea3fcf703cfec1cd4a3380fd143081a2eb0e559065563496af27807 protoc-3.6.1-linux-x86_64.zip" | sha256sum -c
- run: sudo unzip -d /usr protoc-3.6.1-linux-x86_64.zip
- save_cache:
key: protobuf
paths:
- "/usr/include/google/protobuf"
- run: sudo apt update && sudo apt install python3 python3-pip libgirepository1.0-dev
- run: ./lazy.sh devsetup
# ensure all code has been generated
- run: make generate
- run: |
if output=$(git status --porcelain) && [ -z "$output" ]; then
echo "Working directory clean"
else
echo "Uncommitted changes"
echo ""
echo "$output"
exit 1
fi
# other checks
- run: make zrepl-bin test-platform-bin
- run: make
- run: make vet
- run: make test
- run: make lint
- run: make release
- store_artifacts:
path: artifacts
- persist_to_workspace:
root: .
paths: [.]
path: ./artifacts/release
when: always
platformtest:
parameters:
goversion:
type: string
goos:
type: string
goarch:
type: string
machine:
image: ubuntu-2204:current
resource_class: medium
environment:
GOOS: <<parameters.goos>>
GOARCH: <<parameters.goarch>>
steps:
- attach_workspace:
at: .
- run: sudo apt-get update
- run: sudo apt-get install -y zfsutils-linux
- run: sudo zfs version
- run: sudo make test-platform GOOS="$GOOS" GOARCH="$GOARCH"
- run:
shell: /bin/bash -eo pipefail
when: always
command: |
if [ -n "$CIRCLE_PR_NUMBER" ]; then # CIRCLE_PR_NUMBER is guaranteed to be only present in forked PRs (external)
echo "Forked PR detected. Sry, can't trust you with credentials to external artifact store, use CircleCI's instead."
exit 0
fi
set -u # from now on
# Download and install minio
curl -sSL https://dl.minio.io/client/mc/release/linux-amd64/mc -o ${GOPATH}/bin/mc
chmod +x ${GOPATH}/bin/mc
mc config host add --api s3v4 zrepl-minio https://minio.cschwarz.com ${MINIO_ACCESS_KEY} ${MINIO_SECRET_KEY}
# Upload artifacts
echo "$CIRCLE_BUILD_URL" > ./artifacts/release/cirlceci_build_url
mc cp -r artifacts/release "zrepl-minio/zrepl-ci-artifacts/${CIRCLE_SHA1}/${CIRCLE_JOB}/"
test-go:
parameters:
goversion:
type: string
# Push Artifact Link to GitHub
REPO="zrepl/zrepl"
COMMIT="${CIRCLE_SHA1}"
JOB_NAME="${CIRCLE_JOB}"
curl "https://api.github.com/repos/$REPO/statuses/$COMMIT?access_token=$GITHUB_COMMIT_STATUS_TOKEN" \
-H "Content-Type: application/json" \
-X POST \
-d '{"context":"zrepl/publish-ci-artifacts", "state": "success", "description":"CI Build Artifacts for '"$JOB_NAME"'", "target_url":"https://minio.cschwarz.com/minio/zrepl-ci-artifacts/'"$COMMIT"'/"}'
build-1.11:
<<: *build-latest
docker:
- image: *cimg_with_modern_go
environment:
GOTOOLCHAIN: "go<<parameters.goversion>>"
steps:
- checkout
- go/load-cache:
key: make-test-go
- run: make test-go
- go/save-cache:
key: make-test-go
- image: circleci/golang:1.11
release-build:
machine:
image: &release-vm-image "ubuntu-2404:current"
resource_class: large
steps:
- checkout
- run: make release-docker
- persist_to_workspace:
root: .
paths: [.]
release-deb:
machine:
image: *release-vm-image
steps:
- attach_workspace:
at: .
- run: make debs-docker
- persist_to_workspace:
root: .
paths:
- "artifacts/*.deb"
release-rpm:
machine:
image: *release-vm-image
steps:
- attach_workspace:
at: .
- run: make rpms-docker
- persist_to_workspace:
root: .
paths:
- "artifacts/*.rpm"
release-upload:
build-1.12:
<<: *build-latest
docker:
- image: cimg/base:2024.09
steps:
- attach_workspace:
at: .
- run: make wrapup-and-checksum
- store_artifacts:
path: artifacts/release
- image: circleci/golang:1.12
publish-zrepl-github-io:
build-1.13:
<<: *build-latest
docker:
- image: cimg/base:2024.09
steps:
- checkout
- install-docdep
- docs-publish-sh:
push: true
- image: circleci/golang:1.13
-84
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@@ -1,84 +0,0 @@
import argparse
from pathlib import Path
import re
import requests
import time
import os
import argparse
from pathlib import Path
circle_token = os.environ.get('CIRCLE_TOKEN')
if not circle_token:
raise ValueError('CIRCLE_TOKEN environment variable not set')
parser = argparse.ArgumentParser(description='Download artifacts from CircleCI')
parser.add_argument('build_num', type=str, help='Build number')
parser.add_argument('dst', type=Path, help='Destination directory')
parser.add_argument('--prefix', type=str, default='', help='Filter for prefix')
parser.add_argument('--match', type=str, default='.*', help='Only include paths matching the given regex')
args = parser.parse_args()
res = requests.get(
f"https://circleci.com/api/v1.1/project/github/zrepl/zrepl/{args.build_num}/artifacts",
headers={
"Circle-Token": circle_token,
},
)
res.raise_for_status()
# https://circleci.com/docs/api/v1/index.html#artifacts-of-a-job
# [ {
# "path" : "raw-test-output/go-test-report.xml",
# "pretty_path" : "raw-test-output/go-test-report.xml",
# "node_index" : 0,
# "url" : "https://24-88881093-gh.circle-artifacts.com/0/raw-test-output/go-test-report.xml"
# }, {
# "path" : "raw-test-output/go-test.out",
# "pretty_path" : "raw-test-output/go-test.out",
# "node_index" : 0,
# "url" : "https://24-88881093-gh.circle-artifacts.com/0/raw-test-output/go-test.out"
# } ]
res = res.json()
for artifact in res:
if not artifact["pretty_path"].startswith(args.prefix):
continue
if not re.match(args.match, artifact["pretty_path"]):
continue
stripped = artifact["pretty_path"][len(args.prefix):]
print(f"Downloading {artifact['pretty_path']} to {args.dst / stripped}")
artifact_rel = Path(stripped)
artifact_dst = args.dst / artifact_rel
artifact_dst.parent.mkdir(parents=True, exist_ok=True)
res = requests.get(
artifact["url"],
headers={
"Circle-Token": circle_token,
},
stream=True,
)
res.raise_for_status()
total_size = int(res.headers.get("Content-Length", 0))
block_size = 128 * 1024
with open(artifact_dst, "wb") as f:
progress = 0
start_time = time.time()
for chunk in res.iter_content(chunk_size=block_size):
f.write(chunk)
progress += len(chunk)
percent = progress / total_size * 100
elapsed_time = time.time() - start_time
if elapsed_time >= 5:
print(f"Downloaded {progress}/{total_size} bytes ({percent:.2f}%)", end="\r")
start_time = time.time()
print(f"Downloaded {progress}/{total_size} bytes ({percent:.2f}%)")
print("Download complete!")
print("All files downloaded")
-1
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@@ -1,4 +1,3 @@
github: problame
patreon: zrepl
liberapay: zrepl
custom: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=R5QSXJVYHGX96
-9
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@@ -1,9 +0,0 @@
version: 2
updates:
# Docs use Python only for static site generation.
- package-ecosystem: "pip"
directory: /docs
schedule:
interval: "weekly"
ignore:
- dependency-name: "*"
-14
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@@ -1,24 +1,10 @@
linters:
enable:
- goimports
- revive
linters-settings:
goimports:
local-prefixes: github.com/zrepl/zrepl
revive:
rules:
- name: time-equal
issues:
exclude-rules:
- path: _test\.go
linters:
- errcheck
# Disable staticcheck 'Empty body in an if or else branch' as it's useful
# to put a comment into an empty else-clause that explains why whatever
# is done in the if-caluse is not necessary if the condition is false.
- linters:
- staticcheck
text: "SA9003:"
+70
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@@ -0,0 +1,70 @@
dist: xenial
services:
- docker
env: # for allow_failures: https://docs.travis-ci.com/user/customizing-the-build/
matrix:
include:
- language: go
name: "Build in Docker (docs/installation.rst)"
script:
- sudo docker build -t zrepl_build -f build.Dockerfile .
- |
sudo docker run -it --rm \
-v "${PWD}:/go/src/github.com/zrepl/zrepl" \
--user "$(id -u):$(id -g)" \
zrepl_build make vendordeps release
- &zrepl_build_template
language: go
go_import_path: github.com/zrepl/zrepl
before_install:
- wget https://github.com/protocolbuffers/protobuf/releases/download/v3.6.1/protoc-3.6.1-linux-x86_64.zip
- echo "6003de742ea3fcf703cfec1cd4a3380fd143081a2eb0e559065563496af27807 protoc-3.6.1-linux-x86_64.zip" | sha256sum -c
- sudo unzip -d /usr protoc-3.6.1-linux-x86_64.zip
- ./lazy.sh godep
- make vendordeps
script:
- make
- make vet
- make test
- make lint
- make artifacts/zrepl-freebsd-amd64
- make artifacts/zrepl-linux-amd64
- make artifacts/zrepl-darwin-amd64
go:
- "1.11"
- <<: *zrepl_build_template
go:
- "1.12"
- <<: *zrepl_build_template
go:
- "master"
- &zrepl_docs_template
language: python
python:
- "3.4"
install:
- sudo apt-get install libgirepository1.0-dev
- pip install -r docs/requirements.txt
script:
- make docs
- <<: *zrepl_docs_template
python:
- "3.5"
- <<: *zrepl_docs_template
python:
- "3.6"
- <<: *zrepl_docs_template
python:
- "3.7"
allow_failures:
- <<: *zrepl_build_template
go:
- "master"
+65 -332
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@@ -1,6 +1,5 @@
.PHONY: generate build test vet cover release docs docs-clean clean format lint platformtest
.PHONY: release release-noarch
.DEFAULT_GOAL := zrepl-bin
.DEFAULT_GOAL := build
ARTIFACTDIR := artifacts
@@ -13,185 +12,97 @@ ifndef _ZREPL_VERSION
$(error cannot infer variable ZREPL_VERSION using git and variable is not overriden by make invocation)
endif
endif
ZREPL_PACKAGE_RELEASE := 1
GO := go
GOOS ?= $(shell bash -c 'source <($(GO) env) && echo "$$GOOS"')
GOARCH ?= $(shell bash -c 'source <($(GO) env) && echo "$$GOARCH"')
GOARM ?= $(shell bash -c 'source <($(GO) env) && echo "$$GOARM"')
GOHOSTOS ?= $(shell bash -c 'source <($(GO) env) && echo "$$GOHOSTOS"')
GOHOSTARCH ?= $(shell bash -c 'source <($(GO) env) && echo "$$GOHOSTARCH"')
GO_ENV_VARS := CGO_ENABLED=0
GO_LDFLAGS := "-X github.com/zrepl/zrepl/version.zreplVersion=$(_ZREPL_VERSION)"
GO_MOD_READONLY := -mod=readonly
GO_EXTRA_BUILDFLAGS :=
GO_BUILDFLAGS := $(GO_MOD_READONLY) $(GO_EXTRA_BUILDFLAGS)
GO_BUILD := $(GO_ENV_VARS) $(GO) build $(GO_BUILDFLAGS) -ldflags $(GO_LDFLAGS)
GOCOVMERGE := gocovmerge
RELEASE_GOVERSION ?= go1.23.1
STRIPPED_GOVERSION := $(subst go,,$(RELEASE_GOVERSION))
RELEASE_DOCKER_BASEIMAGE ?= golang:$(STRIPPED_GOVERSION)
RELEASE_DOCKER_CACHEMOUNT :=
GO_BUILDFLAGS := $(GO_MOD_READONLY)
GO_BUILD := GO111MODULE=on $(GO) build $(GO_BUILDFLAGS) -v -ldflags $(GO_LDFLAGS)
ifneq ($(GOARM),)
ZREPL_TARGET_TUPLE := $(GOOS)-$(GOARCH)v$(GOARM)
else
ZREPL_TARGET_TUPLE := $(GOOS)-$(GOARCH)
endif
# keep in sync with vet target
RELEASE_BINS := $(ARTIFACTDIR)/zrepl-freebsd-amd64
RELEASE_BINS += $(ARTIFACTDIR)/zrepl-linux-amd64
RELEASE_BINS += $(ARTIFACTDIR)/zrepl-linux-arm64
RELEASE_BINS += $(ARTIFACTDIR)/zrepl-darwin-amd64
RELEASE_NOARCH := $(ARTIFACTDIR)/zrepl-noarch.tar
THIS_PLATFORM_RELEASE_BIN := $(shell bash -c 'source <($(GO) env) && echo "zrepl-$${GOOS}-$${GOARCH}"' )
ifneq ($(RELEASE_DOCKER_CACHEMOUNT),)
_RELEASE_DOCKER_CACHEMOUNT := -v $(RELEASE_DOCKER_CACHEMOUNT)/mod:/go/pkg/mod -v $(RELEASE_DOCKER_CACHEMOUNT)/xdg-cache:/root/.cache/go-build
.PHONY: release-docker-mkcachemount
release-docker-mkcachemount:
mkdir -p $(RELEASE_DOCKER_CACHEMOUNT)
mkdir -p $(RELEASE_DOCKER_CACHEMOUNT)/mod
mkdir -p $(RELEASE_DOCKER_CACHEMOUNT)/xdg-cache
else
_RELEASE_DOCKER_CACHEMOUNT :=
.PHONY: release-docker-mkcachemount
release-docker-mkcachemount:
# nothing to do
endif
generate: #not part of the build, must do that manually
protoc -I=replication/logic/pdu --go_out=plugins=grpc:replication/logic/pdu replication/logic/pdu/pdu.proto
$(GO) generate $(GO_BUILDFLAGS) -x ./...
##################### PRODUCING A RELEASE #############
.PHONY: release wrapup-and-checksum check-git-clean sign clean ensure-release-toolchain
format:
goimports -srcdir . -local 'github.com/zrepl/zrepl' -w $(shell find . -type f -name '*.go' -not -path "./vendor/*" -not -name '*.pb.go' -not -name '*_enumer.go')
ensure-release-toolchain:
# ensure the toolchain is actually the one we expect
test $(RELEASE_GOVERSION) = "$$($(GO_ENV_VARS) $(GO) env GOVERSION)"
lint:
golangci-lint run ./...
release: ensure-release-toolchain
$(MAKE) _run_make_foreach_target_tuple RUN_MAKE_FOREACH_TARGET_TUPLE_ARG="vet"
$(MAKE) _run_make_foreach_target_tuple RUN_MAKE_FOREACH_TARGET_TUPLE_ARG="lint"
$(MAKE) _run_make_foreach_target_tuple RUN_MAKE_FOREACH_TARGET_TUPLE_ARG="zrepl-bin"
$(MAKE) _run_make_foreach_target_tuple RUN_MAKE_FOREACH_TARGET_TUPLE_ARG="test-platform-bin"
$(MAKE) noarch
build:
$(GO_BUILD) -o "$(ARTIFACTDIR)/zrepl"
release-docker: $(ARTIFACTDIR) release-docker-mkcachemount
sed 's/FROM.*!SUBSTITUTED_BY_MAKEFILE/FROM $(RELEASE_DOCKER_BASEIMAGE)/' build/build.Dockerfile > $(ARTIFACTDIR)/build.Dockerfile
docker build -t zrepl_release --pull -f $(ARTIFACTDIR)/build.Dockerfile .
docker run --rm -i \
$(_RELEASE_DOCKER_CACHEMOUNT) \
-v $(CURDIR):/src -u $$(id -u):$$(id -g) \
zrepl_release \
make release \
GOOS=$(GOOS) GOARCH=$(GOARCH) GOARM=$(GOARM) \
ZREPL_VERSION=$(ZREPL_VERSION) ZREPL_PACKAGE_RELEASE=$(ZREPL_PACKAGE_RELEASE) \
RELEASE_GOVERSION=$(RELEASE_GOVERSION)
test:
$(GO) test $(GO_BUILDFLAGS) ./...
# TODO compile the tests for each supported platform
# but `go test -c ./...` is not supported
debs-docker:
$(MAKE) _debs_or_rpms_docker _DEB_OR_RPM=deb
rpms-docker:
$(MAKE) _debs_or_rpms_docker _DEB_OR_RPM=rpm
_debs_or_rpms_docker: # artifacts/_zrepl.zsh_completion artifacts/bash_completion docs zrepl-bin
$(MAKE) $(_DEB_OR_RPM)-docker GOOS=linux GOARCH=amd64
$(MAKE) $(_DEB_OR_RPM)-docker GOOS=linux GOARCH=arm64
$(MAKE) $(_DEB_OR_RPM)-docker GOOS=linux GOARCH=arm GOARM=7
$(MAKE) $(_DEB_OR_RPM)-docker GOOS=linux GOARCH=386
vet:
$(GO) vet $(GO_BUILDFLAGS) ./...
# for each supported platform to cover conditional compilation
# (keep in sync with RELEASE_BINS)
GOOS=freebsd GOARCH=amd64 $(GO) vet $(GO_BUILDFLAGS) ./...
GOOS=linux GOARCH=amd64 $(GO) vet $(GO_BUILDFLAGS) ./...
GOOS=linux GOARCH=arm64 $(GO) vet $(GO_BUILDFLAGS) ./...
GOOS=darwin GOARCH=amd64 $(GO) vet $(GO_BUILDFLAGS) ./...
rpm: $(ARTIFACTDIR) # artifacts/_zrepl.zsh_completion artifacts/bash_completion docs zrepl-bin
$(eval _ZREPL_RPM_VERSION := $(subst -,.,$(_ZREPL_VERSION)))
$(eval _ZREPL_RPM_TOPDIR_ABS := $(CURDIR)/$(ARTIFACTDIR)/rpmbuild)
rm -rf "$(_ZREPL_RPM_TOPDIR_ABS)"
mkdir "$(_ZREPL_RPM_TOPDIR_ABS)"
for d in BUILD BUILDROOT RPMS SOURCES SPECS SRPMS; do \
mkdir -p "$(_ZREPL_RPM_TOPDIR_ABS)/$$d"; \
done
sed \
-e "s/^Version:.*/Version: $(_ZREPL_RPM_VERSION)/g" \
-e "s/^Release:.*/Release: $(ZREPL_PACKAGE_RELEASE)/g" \
packaging/rpm/zrepl.spec \
> $(_ZREPL_RPM_TOPDIR_ABS)/SPECS/zrepl.spec
ZREPL_PLATFORMTEST_POOLNAME := zreplplatformtest
ZREPL_PLATFORMTEST_IMAGEPATH := /tmp/zreplplatformtest.pool.img
$(ARTIFACTDIR)/zrepl_platformtest:
$(GO_BUILD) -o "$(ARTIFACTDIR)/zrepl_platformtest" ./platformtest/harness
platformtest: $(ARTIFACTDIR)/zrepl_platformtest
"$(ARTIFACTDIR)/zrepl_platformtest" -poolname "$(ZREPL_PLATFORMTEST_POOLNAME)" -imagepath "$(ZREPL_PLATFORMTEST_IMAGEPATH)"
# see /usr/lib/rpm/platform
ifeq ($(GOARCH),amd64)
$(eval _ZREPL_RPMBUILD_TARGET := x86_64)
else ifeq ($(GOARCH), 386)
$(eval _ZREPL_RPMBUILD_TARGET := i386)
else ifeq ($(GOARCH), arm64)
$(eval _ZREPL_RPMBUILD_TARGET := aarch64)
else ifeq ($(GOARCH), arm)
$(eval _ZREPL_RPMBUILD_TARGET := armv7hl)
else
$(eval _ZREPL_RPMBUILD_TARGET := $(GOARCH))
endif
rpmbuild \
--build-in-place \
--define "_sourcedir $(CURDIR)" \
--define "_topdir $(_ZREPL_RPM_TOPDIR_ABS)" \
--define "_zrepl_binary_filename zrepl-$(ZREPL_TARGET_TUPLE)" \
--target $(_ZREPL_RPMBUILD_TARGET) \
-bb "$(_ZREPL_RPM_TOPDIR_ABS)"/SPECS/zrepl.spec
cp "$(_ZREPL_RPM_TOPDIR_ABS)"/RPMS/$(_ZREPL_RPMBUILD_TARGET)/zrepl-$(_ZREPL_RPM_VERSION)*.rpm $(ARTIFACTDIR)/
$(ARTIFACTDIR):
mkdir -p "$@"
rpm-docker:
docker build -t zrepl_rpm_pkg --pull -f packaging/rpm/Dockerfile .
docker run --rm -i -v $(CURDIR):/build/src -u $$(id -u):$$(id -g) \
zrepl_rpm_pkg \
make rpm \
GOOS=$(GOOS) GOARCH=$(GOARCH) GOARM=$(GOARM) \
ZREPL_VERSION=$(ZREPL_VERSION) ZREPL_PACKAGE_RELEASE=$(ZREPL_PACKAGE_RELEASE)
$(ARTIFACTDIR)/docs: $(ARTIFACTDIR)
mkdir -p "$@"
$(ARTIFACTDIR)/bash_completion: $(RELEASE_BINS)
artifacts/$(THIS_PLATFORM_RELEASE_BIN) bashcomp "$@"
deb: $(ARTIFACTDIR) # artifacts/_zrepl.zsh_completion artifacts/bash_completion docs zrepl-bin
.PHONY: $(ARTIFACTDIR)/go_version.txt
$(ARTIFACTDIR)/go_version.txt:
$(GO) version > $@
cp packaging/deb/debian/changelog.template packaging/deb/debian/changelog
sed -i 's/DATE_DASH_R_OUTPUT/$(shell date -R)/' packaging/deb/debian/changelog
VERSION="$(subst -,.,$(_ZREPL_VERSION))-$(ZREPL_PACKAGE_RELEASE)"; \
export VERSION="$${VERSION#v}"; \
sed -i 's/VERSION/'"$$VERSION"'/' packaging/deb/debian/changelog
docs: $(ARTIFACTDIR)/docs
make -C docs \
html \
BUILDDIR=../artifacts/docs \
ifeq ($(GOARCH), arm)
$(eval DEB_HOST_ARCH := armhf)
else ifeq ($(GOARCH), 386)
$(eval DEB_HOST_ARCH := i386)
else
$(eval DEB_HOST_ARCH := $(GOARCH))
endif
docs-clean:
make -C docs \
clean \
BUILDDIR=../artifacts/docs
export ZREPL_DPKG_ZREPL_BINARY_FILENAME=zrepl-$(ZREPL_TARGET_TUPLE); \
dpkg-buildpackage -b --no-sign --host-arch $(DEB_HOST_ARCH)
cp ../*.deb artifacts/
.PHONY: $(RELEASE_BINS)
# TODO: two wildcards possible
$(RELEASE_BINS): $(ARTIFACTDIR)/zrepl-%: generate $(ARTIFACTDIR) vet test lint
STEM=$*; GOOS="$${STEM%%-*}"; GOARCH="$${STEM##*-}"; export GOOS GOARCH; \
$(GO_BUILD) -o "$(ARTIFACTDIR)/zrepl-$$GOOS-$$GOARCH"
deb-docker:
docker build -t zrepl_debian_pkg --pull -f packaging/deb/Dockerfile .
# Use a small open file limit to make fakeroot work. If we don't
# specify it, docker daemon will use its file limit. I don't know
# what changed (Docker, its systemd service, its Go version). But I
# observed fakeroot iterating close(i) up to i > 1000000, which costs
# a good amount of CPU time and makes the build slow.
docker run --rm -i -v $(CURDIR):/build/src -u $$(id -u):$$(id -g) \
--ulimit nofile=1024:1024 \
zrepl_debian_pkg \
make deb \
GOOS=$(GOOS) GOARCH=$(GOARCH) GOARM=$(GOARM) \
ZREPL_VERSION=$(ZREPL_VERSION) ZREPL_PACKAGE_RELEASE=$(ZREPL_PACKAGE_RELEASE)
# expects `release`, `deb` & `rpm` targets to have run before
NOARCH_TARBALL := $(ARTIFACTDIR)/zrepl-noarch.tar
wrapup-and-checksum:
rm -f $(NOARCH_TARBALL)
$(RELEASE_NOARCH): docs $(ARTIFACTDIR)/bash_completion $(ARTIFACTDIR)/go_version.txt
tar --mtime='1970-01-01' --sort=name \
--transform 's/$(ARTIFACTDIR)/zrepl-$(_ZREPL_VERSION)-noarch/' \
--transform 's#dist#zrepl-$(_ZREPL_VERSION)-noarch/dist#' \
--transform 's#internal/config/samples#zrepl-$(_ZREPL_VERSION)-noarch/config#' \
-acf $(NOARCH_TARBALL) \
-acf $@ \
$(ARTIFACTDIR)/docs/html \
$(ARTIFACTDIR)/bash_completion \
$(ARTIFACTDIR)/_zrepl.zsh_completion \
$(ARTIFACTDIR)/go_env.txt \
dist \
internal/config/samples
$(ARTIFACTDIR)/go_version.txt
release: $(RELEASE_BINS) $(RELEASE_NOARCH)
rm -rf "$(ARTIFACTDIR)/release"
mkdir -p "$(ARTIFACTDIR)/release"
cp -l $(ARTIFACTDIR)/zrepl* \
$(ARTIFACTDIR)/platformtest-* \
"$(ARTIFACTDIR)/release"
cp $^ "$(ARTIFACTDIR)/release"
cd "$(ARTIFACTDIR)/release" && sha512sum $$(ls | sort) > sha512sum.txt
check-git-clean:
@# note that we use ZREPL_VERSION and not _ZREPL_VERSION because we want to detect the override
@if git describe --always --dirty 2>/dev/null | grep dirty >/dev/null; then \
echo '[INFO] either git reports checkout is dirty or git is not installed or this is not a git checkout'; \
@@ -204,183 +115,5 @@ check-git-clean:
fi; \
fi;
tag-release:
test -n "$(ZREPL_TAG_VERSION)" || exit 1
git tag -u '328A6627FA98061D!' -m "$(ZREPL_TAG_VERSION)" "$(ZREPL_TAG_VERSION)"
sign:
gpg -u '328A6627FA98061D!' \
--armor \
--detach-sign $(ARTIFACTDIR)/release/sha512sum.txt
clean: docs-clean
rm -rf "$(ARTIFACTDIR)"
download-circleci-release:
rm -rf "$(ARTIFACTDIR)"
mkdir -p "$(ARTIFACTDIR)/release"
python3 .circleci/download_artifacts.py --prefix 'artifacts/release/' "$(BUILD_NUM)" "$(ARTIFACTDIR)/release"
##################### MULTI-ARCH HELPERS #####################
_run_make_foreach_target_tuple:
if [ "$(RUN_MAKE_FOREACH_TARGET_TUPLE_ARG)" = "" ]; then \
echo "RUN_MAKE_FOREACH_TARGET_TUPLE_ARG must be set"; \
exit 1; \
fi
$(MAKE) $(RUN_MAKE_FOREACH_TARGET_TUPLE_ARG) GOOS=freebsd GOARCH=amd64
$(MAKE) $(RUN_MAKE_FOREACH_TARGET_TUPLE_ARG) GOOS=freebsd GOARCH=386
$(MAKE) $(RUN_MAKE_FOREACH_TARGET_TUPLE_ARG) GOOS=freebsd GOARCH=arm GOARM=7
$(MAKE) $(RUN_MAKE_FOREACH_TARGET_TUPLE_ARG) GOOS=freebsd GOARCH=arm64
$(MAKE) $(RUN_MAKE_FOREACH_TARGET_TUPLE_ARG) GOOS=linux GOARCH=amd64
$(MAKE) $(RUN_MAKE_FOREACH_TARGET_TUPLE_ARG) GOOS=linux GOARCH=arm64
$(MAKE) $(RUN_MAKE_FOREACH_TARGET_TUPLE_ARG) GOOS=linux GOARCH=arm GOARM=7
$(MAKE) $(RUN_MAKE_FOREACH_TARGET_TUPLE_ARG) GOOS=linux GOARCH=386
$(MAKE) $(RUN_MAKE_FOREACH_TARGET_TUPLE_ARG) GOOS=darwin GOARCH=amd64
$(MAKE) $(RUN_MAKE_FOREACH_TARGET_TUPLE_ARG) GOOS=solaris GOARCH=amd64
$(MAKE) $(RUN_MAKE_FOREACH_TARGET_TUPLE_ARG) GOOS=illumos GOARCH=amd64
##################### REGULAR TARGETS #####################
.PHONY: lint test-go test-platform cover-merge cover-html vet zrepl-bin test-platform-bin
lint: build/install
$(GO_ENV_VARS) build/install/gobin/golangci-lint run ./...
vet:
$(GO_ENV_VARS) $(GO) vet $(GO_BUILDFLAGS) ./...
test-go: $(ARTIFACTDIR)
rm -f "$(ARTIFACTDIR)/gotest.cover"
ifeq ($(COVER),1)
$(GO_ENV_VARS) $(GO) test $(GO_BUILDFLAGS) \
-coverpkg github.com/zrepl/zrepl/... \
-covermode atomic \
-coverprofile "$(ARTIFACTDIR)/gotest.cover" \
./...
else
$(GO_ENV_VARS) $(GO) test $(GO_BUILDFLAGS) \
./...
endif
zrepl-bin:
$(GO_BUILD) -o "$(ARTIFACTDIR)/zrepl-$(ZREPL_TARGET_TUPLE)"
COVER_PLATFORM_BIN_PATH := $(ARTIFACTDIR)/platformtest-cover-$(ZREPL_TARGET_TUPLE)
cover-platform-bin:
$(GO_ENV_VARS) $(GO) test $(GO_BUILDFLAGS) \
-c -o "$(COVER_PLATFORM_BIN_PATH)" \
-covermode=atomic -cover -coverpkg github.com/zrepl/zrepl/... \
./platformtest/harness
cover-platform:
# do not track dependency on cover-platform-bin to allow build of binary outside of test VM
export _TEST_PLATFORM_CMD="$(COVER_PLATFORM_BIN_PATH) \
-test.coverprofile \"$(ARTIFACTDIR)/platformtest.cover\" \
-test.v \
__DEVEL--i-heard-you-like-tests"; \
$(MAKE) _test-or-cover-platform-impl
TEST_PLATFORM_BIN_PATH := $(ARTIFACTDIR)/platformtest-$(ZREPL_TARGET_TUPLE)
test-platform-bin:
$(GO_BUILD) -o "$(TEST_PLATFORM_BIN_PATH)" ./internal/platformtest/harness
test-platform:
export _TEST_PLATFORM_CMD="\"$(TEST_PLATFORM_BIN_PATH)\""; \
$(MAKE) _test-or-cover-platform-impl
ZREPL_PLATFORMTEST_POOLNAME := zreplplatformtest
ZREPL_PLATFORMTEST_IMAGEPATH := /tmp/zreplplatformtest.pool.img
ZREPL_PLATFORMTEST_MOUNTPOINT := /tmp/zreplplatformtest.pool
ZREPL_PLATFORMTEST_ZFS_LOG := /tmp/zreplplatformtest.zfs.log
# ZREPL_PLATFORMTEST_STOP_AND_KEEP := -failure.stop-and-keep-pool
ZREPL_PLATFORMTEST_ARGS :=
_test-or-cover-platform-impl: $(ARTIFACTDIR)
ifndef _TEST_PLATFORM_CMD
$(error _TEST_PLATFORM_CMD is undefined, caller 'cover-platform' or 'test-platform' should have defined it)
endif
rm -f "$(ZREPL_PLATFORMTEST_ZFS_LOG)"
rm -f "$(ARTIFACTDIR)/platformtest.cover"
internal/platformtest/logmockzfs/logzfsenv "$(ZREPL_PLATFORMTEST_ZFS_LOG)" `which zfs` \
$(_TEST_PLATFORM_CMD) \
-poolname "$(ZREPL_PLATFORMTEST_POOLNAME)" \
-imagepath "$(ZREPL_PLATFORMTEST_IMAGEPATH)" \
-mountpoint "$(ZREPL_PLATFORMTEST_MOUNTPOINT)" \
$(ZREPL_PLATFORMTEST_STOP_AND_KEEP) \
$(ZREPL_PLATFORMTEST_ARGS)
cover-merge: $(ARTIFACTDIR)
$(GOCOVMERGE) $(ARTIFACTDIR)/platformtest.cover $(ARTIFACTDIR)/gotest.cover > $(ARTIFACTDIR)/merged.cover
cover-html: cover-merge
$(GO) tool cover -html "$(ARTIFACTDIR)/merged.cover" -o "$(ARTIFACTDIR)/merged.cover.html"
cover-full:
test "$$(id -u)" = "0" || echo "MUST RUN AS ROOT" 1>&2
$(MAKE) test-go COVER=1
$(MAKE) cover-platform-bin
$(MAKE) cover-platform
$(MAKE) cover-html
##################### DEV TARGETS #####################
# not part of the build, must do that manually
.PHONY: generate format
build/install:
rm -rf build/install.tmp
mkdir build/install.tmp
-echo "installing protoc"
mkdir build/install.tmp/protoc
bash -x build/get_protoc.bash build/install.tmp/protoc
-echo "installing go tools"
build/go_install_tools.bash build/install.tmp/gobin
mv build/install.tmp build/install
generate: build/install
# TODO: would be nice to run with a pure path here
PATH="$(CURDIR)/build/install/gobin:$(CURDIR)/build/install/protoc/bin:$$PATH" && \
build/install/protoc/bin/protoc -I=internal/replication/logic/pdu --go_out=internal/replication/logic/pdu --go-grpc_out=internal/replication/logic/pdu internal/replication/logic/pdu/pdu.proto && \
build/install/protoc/bin/protoc -I=internal/rpc/grpcclientidentity/example --go_out=internal/rpc/grpcclientidentity/example/pdu --go-grpc_out=internal/rpc/grpcclientidentity/example/pdu internal/rpc/grpcclientidentity/example/grpcauth.proto && \
$(GO) generate $(GO_BUILDFLAGS) -x ./... && \
true
GOIMPORTS := goimports -srcdir . -local 'github.com/zrepl/zrepl'
format: build/install
@ build/install/gobin/goimports -w -local 'github.com/zrepl/zrepl' $$(find . -type f -name '*.go' -not -path "./vendor/*" -not -name '*.pb.go' -not -name '*_enumer.go')
##################### NOARCH #####################
.PHONY: noarch $(ARTIFACTDIR)/bash_completion $(ARTIFACTDIR)/_zrepl.zsh_completion $(ARTIFACTDIR)/go_env.txt docs docs-clean
$(ARTIFACTDIR):
mkdir -p "$@"
$(ARTIFACTDIR)/docs: $(ARTIFACTDIR)
mkdir -p "$@"
noarch: $(ARTIFACTDIR)/bash_completion $(ARTIFACTDIR)/_zrepl.zsh_completion $(ARTIFACTDIR)/go_env.txt docs
# pass
$(ARTIFACTDIR)/bash_completion:
$(MAKE) zrepl-bin GOOS=$(GOHOSTOS) GOARCH=$(GOHOSTARCH)
artifacts/zrepl-$(GOHOSTOS)-$(GOHOSTARCH) gencompletion bash "$@"
$(ARTIFACTDIR)/_zrepl.zsh_completion:
$(MAKE) zrepl-bin GOOS=$(GOHOSTOS) GOARCH=$(GOHOSTARCH)
artifacts/zrepl-$(GOHOSTOS)-$(GOHOSTARCH) gencompletion zsh "$@"
$(ARTIFACTDIR)/go_env.txt:
$(GO_ENV_VARS) $(GO) env > $@
$(GO) version >> $@
docs: $(ARTIFACTDIR)/docs
# https://www.sphinx-doc.org/en/master/man/sphinx-build.html
$(MAKE) -C docs \
html \
BUILDDIR=../artifacts/docs \
SPHINXOPTS="-W --keep-going -n"
docs-clean:
$(MAKE) -C docs \
clean \
BUILDDIR=../artifacts/docs
+104 -106
View File
@@ -1,12 +1,9 @@
[![GitHub license](https://img.shields.io/github/license/zrepl/zrepl.svg)](https://github.com/zrepl/zrepl/blob/master/LICENSE)
[![Language: Go](https://img.shields.io/badge/lang-Go-6ad7e5.svg)](https://golang.org/)
[![Language: Go](https://img.shields.io/badge/language-Go-6ad7e5.svg)](https://golang.org/)
[![User Docs](https://img.shields.io/badge/docs-web-blue.svg)](https://zrepl.github.io)
[![Support me on Patreon](https://img.shields.io/badge/dynamic/json?color=yellow&label=Patreon&query=data.attributes.patron_count&url=https%3A%2F%2Fwww.patreon.com%2Fapi%2Fcampaigns%2F3095079)](https://patreon.com/zrepl)
[![Donate via GitHub Sponsors](https://img.shields.io/static/v1?label=Sponsor&message=%E2%9D%A4&logo=GitHub&style=flat&color=yellow)](https://github.com/sponsors/problame)
[![Donate via Liberapay](https://img.shields.io/liberapay/patrons/zrepl.svg?logo=liberapay)](https://liberapay.com/zrepl/donate)
[![Donate via PayPal](https://img.shields.io/badge/donate-paypal-yellow.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=R5QSXJVYHGX96)
[![Donate via Liberapay](https://img.shields.io/liberapay/receives/zrepl.svg?logo=liberapay)](https://liberapay.com/zrepl/donate)
[![Twitter](https://img.shields.io/twitter/url/https/github.com/zrepl/zrepl.svg?style=social)](https://twitter.com/intent/tweet?text=Wow:&url=https%3A%2F%2Fgithub.com%2Fzrepl%2Fzrepl)
[![Chat](https://img.shields.io/badge/chat-matrix-blue.svg)](https://matrix.to/#/#zrepl:matrix.org)
# zrepl
zrepl is a one-stop ZFS backup & replication solution.
@@ -22,117 +19,118 @@ zrepl is a one-stop ZFS backup & replication solution.
## Feature Requests
1. Does your feature request require default values / some kind of configuration?
1. Does you feature request require default values / some kind of configuration?
If so, think of an expressive configuration example.
2. Think of at least one use case that generalizes from your concrete application.
3. Open an issue on GitHub with example conf & use case attached.
4. **Optional**: [Contact Christian Schwarz](https://cschwarz.com) for contract work.
The above does not apply if you already implemented everything.
Check out the *Coding Workflow* section below for details.
## Development
## Package Maintainer Information
zrepl is written in [Go](https://golang.org) and uses [Go modules](https://github.com/golang/go/wiki/Modules) to manage dependencies.
The documentation is written in [ReStructured Text](http://docutils.sourceforge.net/rst.html) using the [Sphinx](https://www.sphinx-doc.org) framework.
### Building
#### Go Code
Dependencies:
* Go 1.22 or newer
* GNU Make
* Git
* wget (`make generate`)
* unzip (`make generate`)
Some Go code is **generated**, and generated code is committed to the source tree.
Therefore, building does not require having code generation tools set up.
When making changes that require code to be (re-)generated, run `make generate`.
I downloads and installs pinned versions of the code generation tools into `./build/install`.
There is a CI check that ensures Git state is clean, i.e., code generation has been done by a PR and is deterministic.
#### Docs
Set up a Python environment that has `docs/requirements.txt` installed via `pip`.
Use a [venv](https://docs.python.org/3/library/venv.html) to avoid global state.
### Testing
The **test suite** is split into pure **Go tests** (`make test-go`) and **platform tests** that interact with ZFS and thus generally **require root privileges** (`sudo make test-platform`).
Platform tests run on their own pool with the name `zreplplatformtest`, which is created using the file vdev in `/tmp`.
For a full **code coverage** profile, run `make test-go COVER=1 && sudo make test-platform && make cover-merge`.
An HTML report can be generated using `make cover-html`.
### Circle CI
We use CircleCI for automated build & test pre- and post-merge.
There are two workflows:
* `ci` runs for every commit / branch / tag pushed to GitHub.
It is supposed to run very fast (<5min and provides quick feedback to developers).
It runs formatting checks, lints and tests on the most important OSes / architectures.
* `release` runs
* on manual triggers through the CircleCI API (in order to produce a release)
* periodically on `master`
Artifacts are stored in CircleCI.
### Releasing
All zrepl releases are git-tagged and then published as a GitHub Release.
There is a git tag for each zrepl release, usually `vMAJOR.MINOR.0`.
We don't move git tags once the release has been published.
The procedure to issue a release is as follows:
* Issue the source release:
* Git tag the release on the `master` branch.
* Push the tag.
* Run `./docs/publish.sh` to re-build & push zrepl.github.io.
* Issue the official binary release:
* Run the `release` pipeline (triggered via CircleCI API)
* Download the artifacts to the release manager's machine.
* Create a GitHub release, edit the changelog, upload all the release artifacts, including .rpm and .deb files.
* Issue the GitHub release.
* Add the .rpm and .deb files to the official zrepl repos.
* Code for management of these repos: https://github.com/zrepl/package-repo-ops (private repo at this time)
#### Patch releases, Go toolchain updates, APT/RPM Package rebuilds
`vMAJOR.MINOR.0` is typically a tagged commit on `master`, because development velocity isn't high
and thus release branches for stabilization aren't necessary.
Occasionally though there is a need for patch changes to a release, e.g.
- security issue in a dependency
- Go toolchain update (e.g. security issue in standard library)
The procedure for this is the following
- create a branch off the release tag we need to patch, named `releases/MAJOR.MINOR.X`
- that branch will never be merged into `master`, it'll be a dead-end for this specific patch
- make changes in that branch
- make the final commit that bumps version numbers
- create the git tag
- follow general procedure for publishing the release (previous sectino
For Go toolchain updates and package rebuilds with no source code changes, leverage the APT/RPM package revision field.
Control via the `ZREPL_PACKAGE_RELEASE` Makefile variable, see `origin/releases/0.6.1-2` for an example.
## Notes to Distro Package Maintainers
* The `Makefile` in this project is not suitable for builds in distros.
* Run the platform tests (Docs -> Usage -> Platform Tests) **on a test system** to validate that zrepl's abstractions on top of ZFS work with the system ZFS.
* Follow the steps in `docs/installation.rst -> Compiling from Source` and read the Makefile / shell scripts used in this process.
* Make sure your distro is compatible with the paths in `docs/installation.rst`.
* Ship a default config that adheres to your distro's `hier` and logging system.
* Ship a service manager file and _please_ try to upstream it to this repository.
* `dist/systemd` contains a Systemd unit template.
* Ship other material provided in `./dist`, e.g. in `/usr/share/zrepl/`.
* Have a look at the `Makefile`'s `ZREPL_VERSION` variable and how it passed to Go's `ldFlags`.
This is how `zrepl version` knows what version number to show.
Your build system should set the `ldFlags` flags appropriately and add a prefix or suffix that indicates that the given zrepl binary is a distro build, not an official one.
* Use `make release ZREPL_VERSION='mydistro-1.2.3_1'`
* Your distro's name and any versioning supplemental to zrepl's (e.g. package revision) should be in this string
* Use `make platformtest` **on a test system** to validate that zrepl's abstractions on top of ZFS work with the system ZFS.
* Make sure you are informed about new zrepl versions, e.g. by subscribing to GitHub's release RSS feed.
## Developer Documentation
zrepl is written in [Go](https://golang.org) and uses [Go modules](https://github.com/golang/go/wiki/Modules) to manage dependencies.
The documentation is written in [ReStructured Text](http://docutils.sourceforge.net/rst.html) using the [Sphinx](https://www.sphinx-doc.org) framework.
To get started, run `./lazy.sh devsetup` to easily install build dependencies and read `docs/installation.rst -> Compiling from Source`.
### Overall Architecture
The application architecture is documented as part of the user docs in the *Implementation* section (`docs/content/impl`).
Make sure to develop an understanding how zrepl is typically used by studying the user docs first.
### Project Structure
```
├── artifacts # build artifcats generate by make
├── cli # wrapper around CLI package cobra
├── client # all subcommands that are not `daemon`
├── config # config data types (=> package yaml-config)
│   └── samples
├── daemon # the implementation of `zrepl daemon` subcommand
│   ├── filters
│   ├── job # job implementations
│   ├── logging # logging outlets + formatters
│   ├── nethelpers
│   ├── prometheus
│   ├── pruner # pruner implementation
│   ├── snapper # snapshotter implementation
├── docs # sphinx-based documentation
├── dist # supplemental material for users & package maintainers
│   ├── **/*.rst # documentation in reStructuredText
│   ├── sphinxconf
│   │   └── conf.py # sphinx config (see commit 445a280 why its not in docs/)
│   ├── requirements.txt # pip3 requirements to build documentation
│   ├── publish.sh # shell script for automated rendering & deploy to zrepl.github.io repo
│   └── public_git # checkout of zrepl.github.io managed by above shell script
├── endpoint # implementation of replication endpoints (=> package replication)
├── logger # our own logger package
├── pruning # pruning rules (the logic, not the actual execution)
│   └── retentiongrid
├── replication
│ ├── driver # the driver of the replication logic (status reporting, error handling)
│ ├── logic # planning & executing replication steps via rpc
| |   └── pdu # the generated gRPC & protobuf code used in replication (and endpoints)
│ └── report # the JSON-serializable report datastructures exposed to the client
├── rpc # the hybrid gRPC + ./dataconn RPC client: connects to a remote replication.Endpoint
│ ├── dataconn # Bulk data-transfer RPC protocol
│ ├── grpcclientidentity # adaptor to inject package transport's 'client identity' concept into gRPC contexts
│ ├── netadaptor # adaptor to convert a package transport's Connecter and Listener into net.* primitives
│ ├── transportmux # TCP connecter and listener used to split control & data traffic
│ └── versionhandshake # replication protocol version handshake perfomed on newly established connections
├── tlsconf # abstraction for Go TLS server + client config
├── transport # transports implementation
│ ├── fromconfig
│ ├── local
│ ├── ssh
│ ├── tcp
│ └── tls
├── util
├── vendor # managed by dep
├── version # abstraction for versions (filled during build by Makefile)
└── zfs # zfs(8) wrappers
```
### Coding Workflow
* Open an issue when starting to hack on a new feature
* Commits should reference the issue they are related to
* Docs improvements not documenting new features do not require an issue.
### Breaking Changes
Backward-incompatible changes must be documented in the git commit message and are listed in `docs/changelog.rst`.
* Config-breaking changes must contain a line `BREAK CONFIG` in the commit message
* Other breaking changes must contain a line `BREAK` in the commit message
### Glossary & Naming Inconsistencies
In ZFS, *dataset* refers to the objects *filesystem*, *ZVOL* and *snapshot*. <br />
However, we need a word for *filesystem* & *ZVOL* but not a snapshot, bookmark, etc.
Toward the user, the following terminology is used:
* **filesystem**: a ZFS filesystem or a ZVOL
* **filesystem version**: a ZFS snapshot or a bookmark
Sadly, the zrepl implementation is inconsistent in its use of these words:
variables and types are often named *dataset* when they in fact refer to a *filesystem*.
There will not be a big refactoring (an attempt was made, but it's destroying too much history without much gain).
However, new contributions & patches should fix naming without further notice in the commit message.
+29
View File
@@ -0,0 +1,29 @@
FROM golang:latest
RUN apt-get update && apt-get install -y \
python3-pip \
unzip
ADD build.installprotoc.bash ./
RUN bash build.installprotoc.bash
ADD lazy.sh /tmp/lazy.sh
ADD docs/requirements.txt /tmp/requirements.txt
ENV ZREPL_LAZY_DOCS_REQPATH=/tmp/requirements.txt
RUN /tmp/lazy.sh docdep
# prepare volume mount of git checkout to /zrepl
RUN mkdir -p /src/github.com/zrepl/zrepl
RUN mkdir -p /.cache && chmod -R 0777 /.cache
# $GOPATH is /go
# Go 1.12 doesn't use modules within GOPATH, but 1.13 and later do
# => store source outside of GOPATH
WORKDIR /src
# Install build tools (e.g. protobuf generator, stringer) into $GOPATH/bin
ADD go.mod go.sum ./
RUN /tmp/lazy.sh godep
RUN chmod -R 0777 /go
+25
View File
@@ -0,0 +1,25 @@
#!/usr/bin/env bash
set -euo pipefail
set -x
MACH=$(uname -m)
MACH="${MACH/aarch64/aarch_64}"
VERSION=3.6.1
FILENAME=protoc-"$VERSION"-linux-"$MACH".zip
if [ -e "$FILENAME" ]; then
echo "$FILENAME" already exists 1>&2
exit 1
fi
wget https://github.com/protocolbuffers/protobuf/releases/download/v"$VERSION"/"$FILENAME"
stat "$FILENAME"
sha256sum -c --ignore-missing <<EOF
6003de742ea3fcf703cfec1cd4a3380fd143081a2eb0e559065563496af27807 protoc-3.6.1-linux-x86_64.zip
af8e5aaaf39ddec62ec8dd2be1b8d9602c6da66564883a16393ade5f71170922 protoc-3.6.1-linux-aarch_64.zip
EOF
unzip -d /usr "$FILENAME"
-1
View File
@@ -1 +0,0 @@
install/
-22
View File
@@ -1,22 +0,0 @@
FROM !SUBSTITUTED_BY_MAKEFILE
RUN apt-get update && apt-get install -y \
python3-pip \
python3-venv \
unzip \
gawk
# setup venv for docs
ENV VIRTUAL_ENV=/opt/venv
RUN python3 -m venv $VIRTUAL_ENV
ENV PATH="$VIRTUAL_ENV/bin:$PATH"
ADD docs/requirements.txt /tmp/requirements.txt
RUN pip3 install -r /tmp/requirements.txt
# Go toolchain uses xdg-cache
RUN mkdir -p /.cache && chmod -R 0777 /.cache
# Go devtools are managed by Makefile
WORKDIR /src
+23
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@@ -0,0 +1,23 @@
//+build windows
// This package cannot actually be built, and since the Travis
// tests run go test ./..., we have to avoid a build attempt.
// Windows is not supported atm, so this works ¯\_(ツ)_/¯
// This package is a pseudo-user of build-time dependencies for zrepl,
// mostly for various code-generation tools.
//
// The imports are necessary to satisfy go dep
package main
import (
"fmt"
_ "github.com/alvaroloes/enumer"
_ "github.com/golang/protobuf/protoc-gen-go"
_ "golang.org/x/tools/cmd/stringer"
)
func main() {
fmt.Println("just a placeholder")
}
-27
View File
@@ -1,27 +0,0 @@
#!/usr/bin/env bash
set -euo pipefail
set -x
cd "$1"
MACH=$(uname -m)
MACH="${MACH/aarch64/aarch_64}"
VERSION=28.0
FILENAME=protoc-"$VERSION"-linux-"$MACH".zip
if [ -e "$FILENAME" ]; then
echo "$FILENAME" already exists 1>&2
exit 1
fi
wget --continue https://github.com/protocolbuffers/protobuf/releases/download/v"$VERSION"/"$FILENAME"
stat "$FILENAME"
sha256sum -c --ignore-missing <<EOF
d622619dcbfb5ecb281cfb92c1a74d6a0f42e752d9a2774b197f475f7ab1c8c4 protoc-28.0-linux-aarch_64.zip
b2e187c8b9f2d97cd3ecae4926d1bb2cbebe3ab768e7c987cbc86bb17f319358 protoc-28.0-linux-x86_64.zip
EOF
unzip -d . "$FILENAME"
-194
View File
@@ -1,194 +0,0 @@
module github.com/zrepl/zrepl/build
go 1.22.7
toolchain go1.23.1
require (
github.com/alvaroloes/enumer v1.1.2
github.com/golangci/golangci-lint v1.60.3
github.com/wadey/gocovmerge v0.0.0-20160331181800-b5bfa59ec0ad
golang.org/x/tools v0.24.0
google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.5.1
google.golang.org/protobuf v1.34.2
)
require (
4d63.com/gocheckcompilerdirectives v1.2.1 // indirect
4d63.com/gochecknoglobals v0.2.1 // indirect
github.com/4meepo/tagalign v1.3.4 // indirect
github.com/Abirdcfly/dupword v0.1.1 // indirect
github.com/Antonboom/errname v0.1.13 // indirect
github.com/Antonboom/nilnil v0.1.9 // indirect
github.com/Antonboom/testifylint v1.4.3 // indirect
github.com/BurntSushi/toml v1.4.1-0.20240526193622-a339e1f7089c // indirect
github.com/Crocmagnon/fatcontext v0.5.2 // indirect
github.com/Djarvur/go-err113 v0.0.0-20210108212216-aea10b59be24 // indirect
github.com/GaijinEntertainment/go-exhaustruct/v3 v3.3.0 // indirect
github.com/Masterminds/semver/v3 v3.3.0 // indirect
github.com/OpenPeeDeeP/depguard/v2 v2.2.0 // indirect
github.com/alecthomas/go-check-sumtype v0.1.4 // indirect
github.com/alexkohler/nakedret/v2 v2.0.4 // indirect
github.com/alexkohler/prealloc v1.0.0 // indirect
github.com/alingse/asasalint v0.0.11 // indirect
github.com/ashanbrown/forbidigo v1.6.0 // indirect
github.com/ashanbrown/makezero v1.1.1 // indirect
github.com/beorn7/perks v1.0.1 // indirect
github.com/bkielbasa/cyclop v1.2.1 // indirect
github.com/blizzy78/varnamelen v0.8.0 // indirect
github.com/bombsimon/wsl/v4 v4.4.1 // indirect
github.com/breml/bidichk v0.2.7 // indirect
github.com/breml/errchkjson v0.3.6 // indirect
github.com/butuzov/ireturn v0.3.0 // indirect
github.com/butuzov/mirror v1.2.0 // indirect
github.com/catenacyber/perfsprint v0.7.1 // indirect
github.com/ccojocar/zxcvbn-go v1.0.2 // indirect
github.com/cespare/xxhash/v2 v2.3.0 // indirect
github.com/charithe/durationcheck v0.0.10 // indirect
github.com/chavacava/garif v0.1.0 // indirect
github.com/ckaznocha/intrange v0.1.2 // indirect
github.com/curioswitch/go-reassign v0.2.0 // indirect
github.com/daixiang0/gci v0.13.5 // indirect
github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
github.com/denis-tingaikin/go-header v0.5.0 // indirect
github.com/ettle/strcase v0.2.0 // indirect
github.com/fatih/color v1.17.0 // indirect
github.com/fatih/structtag v1.2.0 // indirect
github.com/firefart/nonamedreturns v1.0.5 // indirect
github.com/fsnotify/fsnotify v1.7.0 // indirect
github.com/fzipp/gocyclo v0.6.0 // indirect
github.com/ghostiam/protogetter v0.3.6 // indirect
github.com/go-critic/go-critic v0.11.4 // indirect
github.com/go-toolsmith/astcast v1.1.0 // indirect
github.com/go-toolsmith/astcopy v1.1.0 // indirect
github.com/go-toolsmith/astequal v1.2.0 // indirect
github.com/go-toolsmith/astfmt v1.1.0 // indirect
github.com/go-toolsmith/astp v1.1.0 // indirect
github.com/go-toolsmith/strparse v1.1.0 // indirect
github.com/go-toolsmith/typep v1.1.0 // indirect
github.com/go-viper/mapstructure/v2 v2.1.0 // indirect
github.com/go-xmlfmt/xmlfmt v1.1.2 // indirect
github.com/gobwas/glob v0.2.3 // indirect
github.com/gofrs/flock v0.12.1 // indirect
github.com/golangci/dupl v0.0.0-20180902072040-3e9179ac440a // indirect
github.com/golangci/gofmt v0.0.0-20240816233607-d8596aa466a9 // indirect
github.com/golangci/misspell v0.6.0 // indirect
github.com/golangci/modinfo v0.3.4 // indirect
github.com/golangci/plugin-module-register v0.1.1 // indirect
github.com/golangci/revgrep v0.5.3 // indirect
github.com/golangci/unconvert v0.0.0-20240309020433-c5143eacb3ed // indirect
github.com/google/go-cmp v0.6.0 // indirect
github.com/gordonklaus/ineffassign v0.1.0 // indirect
github.com/gostaticanalysis/analysisutil v0.7.1 // indirect
github.com/gostaticanalysis/comment v1.4.2 // indirect
github.com/gostaticanalysis/forcetypeassert v0.1.0 // indirect
github.com/gostaticanalysis/nilerr v0.1.1 // indirect
github.com/hashicorp/go-version v1.7.0 // indirect
github.com/hashicorp/hcl v1.0.0 // indirect
github.com/hexops/gotextdiff v1.0.3 // indirect
github.com/inconshreveable/mousetrap v1.1.0 // indirect
github.com/jgautheron/goconst v1.7.1 // indirect
github.com/jingyugao/rowserrcheck v1.1.1 // indirect
github.com/jirfag/go-printf-func-name v0.0.0-20200119135958-7558a9eaa5af // indirect
github.com/jjti/go-spancheck v0.6.2 // indirect
github.com/julz/importas v0.1.0 // indirect
github.com/karamaru-alpha/copyloopvar v1.1.0 // indirect
github.com/kisielk/errcheck v1.7.0 // indirect
github.com/kkHAIKE/contextcheck v1.1.5 // indirect
github.com/kulti/thelper v0.6.3 // indirect
github.com/kunwardeep/paralleltest v1.0.10 // indirect
github.com/kyoh86/exportloopref v0.1.11 // indirect
github.com/lasiar/canonicalheader v1.1.1 // indirect
github.com/ldez/gomoddirectives v0.2.4 // indirect
github.com/ldez/tagliatelle v0.5.0 // indirect
github.com/leonklingele/grouper v1.1.2 // indirect
github.com/lufeee/execinquery v1.2.1 // indirect
github.com/macabu/inamedparam v0.1.3 // indirect
github.com/magiconair/properties v1.8.7 // indirect
github.com/maratori/testableexamples v1.0.0 // indirect
github.com/maratori/testpackage v1.1.1 // indirect
github.com/matoous/godox v0.0.0-20240105082147-c5b5e0e7c0c0 // indirect
github.com/mattn/go-colorable v0.1.13 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect
github.com/mattn/go-runewidth v0.0.16 // indirect
github.com/mgechev/revive v1.3.9 // indirect
github.com/mitchellh/go-homedir v1.1.0 // indirect
github.com/mitchellh/mapstructure v1.5.0 // indirect
github.com/moricho/tparallel v0.3.2 // indirect
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
github.com/nakabonne/nestif v0.3.1 // indirect
github.com/nishanths/exhaustive v0.12.0 // indirect
github.com/nishanths/predeclared v0.2.2 // indirect
github.com/nunnatsa/ginkgolinter v0.16.2 // indirect
github.com/olekukonko/tablewriter v0.0.5 // indirect
github.com/pascaldekloe/name v1.0.1 // indirect
github.com/pelletier/go-toml/v2 v2.2.3 // indirect
github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
github.com/polyfloyd/go-errorlint v1.6.0 // indirect
github.com/prometheus/client_golang v1.20.3 // indirect
github.com/prometheus/client_model v0.6.1 // indirect
github.com/prometheus/common v0.59.1 // indirect
github.com/prometheus/procfs v0.15.1 // indirect
github.com/quasilyte/go-ruleguard v0.4.2 // indirect
github.com/quasilyte/go-ruleguard/dsl v0.3.22 // indirect
github.com/quasilyte/gogrep v0.5.0 // indirect
github.com/quasilyte/regex/syntax v0.0.0-20210819130434-b3f0c404a727 // indirect
github.com/quasilyte/stdinfo v0.0.0-20220114132959-f7386bf02567 // indirect
github.com/rivo/uniseg v0.4.7 // indirect
github.com/ryancurrah/gomodguard v1.3.5 // indirect
github.com/ryanrolds/sqlclosecheck v0.5.1 // indirect
github.com/sagikazarmark/locafero v0.6.0 // indirect
github.com/sagikazarmark/slog-shim v0.1.0 // indirect
github.com/sanposhiho/wastedassign/v2 v2.0.7 // indirect
github.com/santhosh-tekuri/jsonschema/v5 v5.3.1 // indirect
github.com/sashamelentyev/interfacebloat v1.1.0 // indirect
github.com/sashamelentyev/usestdlibvars v1.27.0 // indirect
github.com/securego/gosec/v2 v2.21.1 // indirect
github.com/shazow/go-diff v0.0.0-20160112020656-b6b7b6733b8c // indirect
github.com/sirupsen/logrus v1.9.3 // indirect
github.com/sivchari/containedctx v1.0.3 // indirect
github.com/sivchari/tenv v1.10.0 // indirect
github.com/sonatard/noctx v0.0.2 // indirect
github.com/sourcegraph/conc v0.3.0 // indirect
github.com/sourcegraph/go-diff v0.7.0 // indirect
github.com/spf13/afero v1.11.0 // indirect
github.com/spf13/cast v1.7.0 // indirect
github.com/spf13/cobra v1.8.1 // indirect
github.com/spf13/pflag v1.0.5 // indirect
github.com/spf13/viper v1.19.0 // indirect
github.com/ssgreg/nlreturn/v2 v2.2.1 // indirect
github.com/stbenjam/no-sprintf-host-port v0.1.1 // indirect
github.com/stretchr/objx v0.5.2 // indirect
github.com/stretchr/testify v1.9.0 // indirect
github.com/subosito/gotenv v1.6.0 // indirect
github.com/tdakkota/asciicheck v0.2.0 // indirect
github.com/tetafro/godot v1.4.17 // indirect
github.com/timakin/bodyclose v0.0.0-20240125160201-f835fa56326a // indirect
github.com/timonwong/loggercheck v0.9.4 // indirect
github.com/tomarrell/wrapcheck/v2 v2.9.0 // indirect
github.com/tommy-muehle/go-mnd/v2 v2.5.1 // indirect
github.com/ultraware/funlen v0.1.0 // indirect
github.com/ultraware/whitespace v0.1.1 // indirect
github.com/uudashr/gocognit v1.1.3 // indirect
github.com/xen0n/gosmopolitan v1.2.2 // indirect
github.com/yagipy/maintidx v1.0.0 // indirect
github.com/yeya24/promlinter v0.3.0 // indirect
github.com/ykadowak/zerologlint v0.1.5 // indirect
gitlab.com/bosi/decorder v0.4.2 // indirect
go-simpler.org/musttag v0.12.2 // indirect
go-simpler.org/sloglint v0.7.2 // indirect
go.uber.org/automaxprocs v1.5.3 // indirect
go.uber.org/multierr v1.11.0 // indirect
go.uber.org/zap v1.27.0 // indirect
golang.org/x/exp v0.0.0-20240904232852-e7e105dedf7e // indirect
golang.org/x/exp/typeparams v0.0.0-20240904232852-e7e105dedf7e // indirect
golang.org/x/mod v0.21.0 // indirect
golang.org/x/sync v0.8.0 // indirect
golang.org/x/sys v0.25.0 // indirect
golang.org/x/text v0.18.0 // indirect
gopkg.in/ini.v1 v1.67.0 // indirect
gopkg.in/yaml.v2 v2.4.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
honnef.co/go/tools v0.5.1 // indirect
mvdan.cc/gofumpt v0.7.0 // indirect
mvdan.cc/unparam v0.0.0-20240528143540-8a5130ca722f // indirect
)
-580
View File
@@ -1,580 +0,0 @@
4d63.com/gocheckcompilerdirectives v1.2.1 h1:AHcMYuw56NPjq/2y615IGg2kYkBdTvOaojYCBcRE7MA=
4d63.com/gocheckcompilerdirectives v1.2.1/go.mod h1:yjDJSxmDTtIHHCqX0ufRYZDL6vQtMG7tJdKVeWwsqvs=
4d63.com/gochecknoglobals v0.2.1 h1:1eiorGsgHOFOuoOiJDy2psSrQbRdIHrlge0IJIkUgDc=
4d63.com/gochecknoglobals v0.2.1/go.mod h1:KRE8wtJB3CXCsb1xy421JfTHIIbmT3U5ruxw2Qu8fSU=
github.com/4meepo/tagalign v1.3.4 h1:P51VcvBnf04YkHzjfclN6BbsopfJR5rxs1n+5zHt+w8=
github.com/4meepo/tagalign v1.3.4/go.mod h1:M+pnkHH2vG8+qhE5bVc/zeP7HS/j910Fwa9TUSyZVI0=
github.com/Abirdcfly/dupword v0.1.1 h1:Bsxe0fIw6OwBtXMIncaTxCLHYO5BB+3mcsR5E8VXloY=
github.com/Abirdcfly/dupword v0.1.1/go.mod h1:B49AcJdTYYkpd4HjgAcutNGG9HZ2JWwKunH9Y2BA6sM=
github.com/Antonboom/errname v0.1.13 h1:JHICqsewj/fNckzrfVSe+T33svwQxmjC+1ntDsHOVvM=
github.com/Antonboom/errname v0.1.13/go.mod h1:uWyefRYRN54lBg6HseYCFhs6Qjcy41Y3Jl/dVhA87Ns=
github.com/Antonboom/nilnil v0.1.9 h1:eKFMejSxPSA9eLSensFmjW2XTgTwJMjZ8hUHtV4s/SQ=
github.com/Antonboom/nilnil v0.1.9/go.mod h1:iGe2rYwCq5/Me1khrysB4nwI7swQvjclR8/YRPl5ihQ=
github.com/Antonboom/testifylint v1.4.3 h1:ohMt6AHuHgttaQ1xb6SSnxCeK4/rnK7KKzbvs7DmEck=
github.com/Antonboom/testifylint v1.4.3/go.mod h1:+8Q9+AOLsz5ZiQiiYujJKs9mNz398+M6UgslP4qgJLA=
github.com/BurntSushi/toml v1.4.1-0.20240526193622-a339e1f7089c h1:pxW6RcqyfI9/kWtOwnv/G+AzdKuy2ZrqINhenH4HyNs=
github.com/BurntSushi/toml v1.4.1-0.20240526193622-a339e1f7089c/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
github.com/Crocmagnon/fatcontext v0.5.2 h1:vhSEg8Gqng8awhPju2w7MKHqMlg4/NI+gSDHtR3xgwA=
github.com/Crocmagnon/fatcontext v0.5.2/go.mod h1:87XhRMaInHP44Q7Tlc7jkgKKB7kZAOPiDkFMdKCC+74=
github.com/Djarvur/go-err113 v0.0.0-20210108212216-aea10b59be24 h1:sHglBQTwgx+rWPdisA5ynNEsoARbiCBOyGcJM4/OzsM=
github.com/Djarvur/go-err113 v0.0.0-20210108212216-aea10b59be24/go.mod h1:4UJr5HIiMZrwgkSPdsjy2uOQExX/WEILpIrO9UPGuXs=
github.com/GaijinEntertainment/go-exhaustruct/v3 v3.3.0 h1:/fTUt5vmbkAcMBt4YQiuC23cV0kEsN1MVMNqeOW43cU=
github.com/GaijinEntertainment/go-exhaustruct/v3 v3.3.0/go.mod h1:ONJg5sxcbsdQQ4pOW8TGdTidT2TMAUy/2Xhr8mrYaao=
github.com/Masterminds/semver/v3 v3.3.0 h1:B8LGeaivUe71a5qox1ICM/JLl0NqZSW5CHyL+hmvYS0=
github.com/Masterminds/semver/v3 v3.3.0/go.mod h1:4V+yj/TJE1HU9XfppCwVMZq3I84lprf4nC11bSS5beM=
github.com/OpenPeeDeeP/depguard/v2 v2.2.0 h1:vDfG60vDtIuf0MEOhmLlLLSzqaRM8EMcgJPdp74zmpA=
github.com/OpenPeeDeeP/depguard/v2 v2.2.0/go.mod h1:CIzddKRvLBC4Au5aYP/i3nyaWQ+ClszLIuVocRiCYFQ=
github.com/alecthomas/assert/v2 v2.2.2 h1:Z/iVC0xZfWTaFNE6bA3z07T86hd45Xe2eLt6WVy2bbk=
github.com/alecthomas/assert/v2 v2.2.2/go.mod h1:pXcQ2Asjp247dahGEmsZ6ru0UVwnkhktn7S0bBDLxvQ=
github.com/alecthomas/go-check-sumtype v0.1.4 h1:WCvlB3l5Vq5dZQTFmodqL2g68uHiSwwlWcT5a2FGK0c=
github.com/alecthomas/go-check-sumtype v0.1.4/go.mod h1:WyYPfhfkdhyrdaligV6svFopZV8Lqdzn5pyVBaV6jhQ=
github.com/alecthomas/repr v0.2.0 h1:HAzS41CIzNW5syS8Mf9UwXhNH1J9aix/BvDRf1Ml2Yk=
github.com/alecthomas/repr v0.2.0/go.mod h1:Fr0507jx4eOXV7AlPV6AVZLYrLIuIeSOWtW57eE/O/4=
github.com/alexkohler/nakedret/v2 v2.0.4 h1:yZuKmjqGi0pSmjGpOC016LtPJysIL0WEUiaXW5SUnNg=
github.com/alexkohler/nakedret/v2 v2.0.4/go.mod h1:bF5i0zF2Wo2o4X4USt9ntUWve6JbFv02Ff4vlkmS/VU=
github.com/alexkohler/prealloc v1.0.0 h1:Hbq0/3fJPQhNkN0dR95AVrr6R7tou91y0uHG5pOcUuw=
github.com/alexkohler/prealloc v1.0.0/go.mod h1:VetnK3dIgFBBKmg0YnD9F9x6Icjd+9cvfHR56wJVlKE=
github.com/alingse/asasalint v0.0.11 h1:SFwnQXJ49Kx/1GghOFz1XGqHYKp21Kq1nHad/0WQRnw=
github.com/alingse/asasalint v0.0.11/go.mod h1:nCaoMhw7a9kSJObvQyVzNTPBDbNpdocqrSP7t/cW5+I=
github.com/alvaroloes/enumer v1.1.2 h1:5khqHB33TZy1GWCO/lZwcroBFh7u+0j40T83VUbfAMY=
github.com/alvaroloes/enumer v1.1.2/go.mod h1:FxrjvuXoDAx9isTJrv4c+T410zFi0DtXIT0m65DJ+Wo=
github.com/ashanbrown/forbidigo v1.6.0 h1:D3aewfM37Yb3pxHujIPSpTf6oQk9sc9WZi8gerOIVIY=
github.com/ashanbrown/forbidigo v1.6.0/go.mod h1:Y8j9jy9ZYAEHXdu723cUlraTqbzjKF1MUyfOKL+AjcU=
github.com/ashanbrown/makezero v1.1.1 h1:iCQ87C0V0vSyO+M9E/FZYbu65auqH0lnsOkf5FcB28s=
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mvdan.cc/gofumpt v0.7.0/go.mod h1:txVFJy/Sc/mvaycET54pV8SW8gWxTlUuGHVEcncmNUo=
mvdan.cc/unparam v0.0.0-20240528143540-8a5130ca722f h1:lMpcwN6GxNbWtbpI1+xzFLSW8XzX0u72NttUGVFjO3U=
mvdan.cc/unparam v0.0.0-20240528143540-8a5130ca722f/go.mod h1:RSLa7mKKCNeTTMHBw5Hsy2rfJmd6O2ivt9Dw9ZqCQpQ=
-6
View File
@@ -1,6 +0,0 @@
export GO111MODULE=on # otherwise, a checkout of this repo in GOPATH will disable modules on Go 1.12 and earlier
source <(go env)
# build tools for the host platform
export GOOS="$GOHOSTOS"
export GOARCH="$GOHOSTARCH"
# TODO GOARM=$GOHOSTARM?
-19
View File
@@ -1,19 +0,0 @@
#!/usr/bin/env bash
set -euo pipefail
set -x
OUTDIR="$(readlink -f "$1")"
if [ -e "$OUTDIR" ]; then
echo "$OUTDIR" already exists 1>&2
exit 1
fi
# go install command below will install tools to $GOBIN
export GOBIN="$OUTDIR"
cd "$(dirname "$0")"
source ./go_install_host_tool.source
cat tools.go | grep _ | awk -F'"' '{print $2}' | tee | xargs -tI '{}' go install '{}'
+22 -55
View File
@@ -1,16 +1,13 @@
package cli
import (
"context"
"fmt"
"os"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
"github.com/zrepl/zrepl/internal/daemon/logging/trace"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/config"
)
var rootArgs struct {
@@ -22,55 +19,29 @@ var rootCmd = &cobra.Command{
Short: "One-stop ZFS replication solution",
}
func init() {
rootCmd.PersistentFlags().StringVar(&rootArgs.configPath, "config", "", "config file path")
}
var genCompletionCmd = &cobra.Command{
Use: "gencompletion",
Short: "generate shell auto-completions",
}
type completionCmdInfo struct {
genFunc func(outpath string) error
help string
}
var completionCmdMap = map[string]completionCmdInfo{
"zsh": {
rootCmd.GenZshCompletionFile,
" save to file `_zrepl` in your zsh's $fpath",
},
"bash": {
rootCmd.GenBashCompletionFile,
" save to a path and source that path in your .bashrc",
var bashcompCmd = &cobra.Command{
Use: "bashcomp path/to/out/file",
Short: "generate bash completions",
Run: func(cmd *cobra.Command, args []string) {
if len(args) != 1 {
fmt.Fprintf(os.Stderr, "specify exactly one positional agument\n")
err := cmd.Usage()
if err != nil {
panic(err)
}
os.Exit(1)
}
if err := rootCmd.GenBashCompletionFile(args[0]); err != nil {
fmt.Fprintf(os.Stderr, "error generating bash completion: %s", err)
os.Exit(1)
}
},
Hidden: true,
}
func init() {
for sh, info := range completionCmdMap {
sh, info := sh, info
genCompletionCmd.AddCommand(&cobra.Command{
Use: fmt.Sprintf("%s path/to/out/file", sh),
Short: fmt.Sprintf("generate %s completions", sh),
Example: info.help,
Run: func(cmd *cobra.Command, args []string) {
if len(args) != 1 {
fmt.Fprintf(os.Stderr, "specify exactly one positional agument\n")
err := cmd.Usage()
if err != nil {
panic(err)
}
os.Exit(1)
}
if err := info.genFunc(args[0]); err != nil {
fmt.Fprintf(os.Stderr, "error generating %s completion: %s", sh, err)
os.Exit(1)
}
},
})
}
rootCmd.AddCommand(genCompletionCmd)
rootCmd.PersistentFlags().StringVar(&rootArgs.configPath, "config", "", "config file path")
rootCmd.AddCommand(bashcompCmd)
}
type Subcommand struct {
@@ -78,7 +49,7 @@ type Subcommand struct {
Short string
Example string
NoRequireConfig bool
Run func(ctx context.Context, subcommand *Subcommand, args []string) error
Run func(subcommand *Subcommand, args []string) error
SetupFlags func(f *pflag.FlagSet)
SetupSubcommands func() []*Subcommand
@@ -99,11 +70,7 @@ func (s *Subcommand) Config() *config.Config {
func (s *Subcommand) run(cmd *cobra.Command, args []string) {
s.tryParseConfig()
ctx := context.Background()
endTask := trace.WithTaskFromStackUpdateCtx(&ctx)
defer endTask()
err := s.Run(ctx, s, args)
endTask()
err := s.Run(s, args)
if err != nil {
fmt.Fprintf(os.Stderr, "%s\n", err)
os.Exit(1)
@@ -1,7 +1,6 @@
package client
import (
"context"
"encoding/json"
"fmt"
"os"
@@ -11,17 +10,16 @@ import (
"github.com/spf13/pflag"
"github.com/zrepl/yaml-config"
"github.com/zrepl/zrepl/internal/cli"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/internal/daemon/job"
"github.com/zrepl/zrepl/internal/daemon/logging"
"github.com/zrepl/zrepl/internal/logger"
"github.com/zrepl/zrepl/cli"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/daemon/job"
"github.com/zrepl/zrepl/daemon/logging"
"github.com/zrepl/zrepl/logger"
)
var configcheckArgs struct {
format string
what string
skipCertCheck bool
format string
what string
}
var ConfigcheckCmd = &cli.Subcommand{
@@ -30,9 +28,8 @@ var ConfigcheckCmd = &cli.Subcommand{
SetupFlags: func(f *pflag.FlagSet) {
f.StringVar(&configcheckArgs.format, "format", "", "dump parsed config object [pretty|yaml|json]")
f.StringVar(&configcheckArgs.what, "what", "all", "what to print [all|config|jobs|logging]")
f.BoolVar(&configcheckArgs.skipCertCheck, "skip-cert-check", false, "skip checking cert files")
},
Run: func(ctx context.Context, subcommand *cli.Subcommand, args []string) error {
Run: func(subcommand *cli.Subcommand, args []string) error {
formatMap := map[string]func(interface{}){
"": func(i interface{}) {},
"pretty": func(i interface{}) {
@@ -58,16 +55,8 @@ var ConfigcheckCmd = &cli.Subcommand{
}
var hadErr bool
parseFlags := config.ParseFlagsNone
if configcheckArgs.skipCertCheck {
parseFlags |= config.ParseFlagsNoCertCheck
}
// further: try to build jobs
confJobs, err := job.JobsFromConfig(subcommand.Config(), parseFlags)
confJobs, err := job.JobsFromConfig(subcommand.Config())
if err != nil {
err := errors.Wrap(err, "cannot build jobs from config")
if configcheckArgs.what == "jobs" {
+104
View File
@@ -0,0 +1,104 @@
package client
import (
"context"
"fmt"
"github.com/pkg/errors"
"github.com/spf13/pflag"
"github.com/zrepl/zrepl/zfs"
"github.com/zrepl/zrepl/cli"
"github.com/zrepl/zrepl/config"
)
var (
MigrateCmd = &cli.Subcommand{
Use: "migrate",
Short: "perform migration of the on-disk / zfs properties",
SetupSubcommands: func() []*cli.Subcommand {
return migrations
},
}
)
var migrations = []*cli.Subcommand{
&cli.Subcommand{
Use: "0.0.X:0.1:placeholder",
Run: doMigratePlaceholder0_1,
SetupFlags: func(f *pflag.FlagSet) {
f.BoolVar(&migratePlaceholder0_1Args.dryRun, "dry-run", false, "dry run")
},
},
}
var migratePlaceholder0_1Args struct {
dryRun bool
}
func doMigratePlaceholder0_1(sc *cli.Subcommand, args []string) error {
if len(args) != 0 {
return fmt.Errorf("migration does not take arguments, got %v", args)
}
cfg := sc.Config()
ctx := context.Background()
allFSS, err := zfs.ZFSListMapping(ctx, zfs.NoFilter())
if err != nil {
return errors.Wrap(err, "cannot list filesystems")
}
type workItem struct {
jobName string
rootFS *zfs.DatasetPath
fss []*zfs.DatasetPath
}
var wis []workItem
for i, j := range cfg.Jobs {
var rfsS string
switch job := j.Ret.(type) {
case *config.SinkJob:
rfsS = job.RootFS
case *config.PullJob:
rfsS = job.RootFS
default:
fmt.Printf("ignoring job %q (%d/%d, type %T)\n", j.Name(), i, len(cfg.Jobs), j.Ret)
continue
}
rfs, err := zfs.NewDatasetPath(rfsS)
if err != nil {
return errors.Wrapf(err, "root fs for job %q is not a valid dataset path", j.Name())
}
var fss []*zfs.DatasetPath
for _, fs := range allFSS {
if fs.HasPrefix(rfs) {
fss = append(fss, fs)
}
}
wis = append(wis, workItem{j.Name(), rfs, fss})
}
for _, wi := range wis {
fmt.Printf("job %q => migrate filesystems below root_fs %q\n", wi.jobName, wi.rootFS.ToString())
if len(wi.fss) == 0 {
fmt.Printf("\tno filesystems\n")
continue
}
for _, fs := range wi.fss {
fmt.Printf("\t%q ... ", fs.ToString())
r, err := zfs.ZFSMigrateHashBasedPlaceholderToCurrent(fs, migratePlaceholder0_1Args.dryRun)
if err != nil {
fmt.Printf("error: %s\n", err)
} else if !r.NeedsModification {
fmt.Printf("unchanged (placeholder=%v)\n", r.OriginalState.IsPlaceholder)
} else {
fmt.Printf("migrate (placeholder=%v) (old value = %q)\n",
r.OriginalState.IsPlaceholder, r.OriginalState.RawLocalPropertyValue)
}
}
}
return nil
}
@@ -1,39 +1,38 @@
package client
import (
"context"
"errors"
"log"
"os"
"github.com/zrepl/zrepl/internal/cli"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/internal/daemon"
"github.com/zrepl/zrepl/cli"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/daemon"
)
var pprofListenCmd struct {
var pprofArgs struct {
daemon.PprofServerControlMsg
}
var PprofListenCmd = &cli.Subcommand{
Use: "listen off | [on TCP_LISTEN_ADDRESS]",
var PprofCmd = &cli.Subcommand{
Use: "pprof off | [on TCP_LISTEN_ADDRESS]",
Short: "start a http server exposing go-tool-compatible profiling endpoints at TCP_LISTEN_ADDRESS",
Run: func(ctx context.Context, subcommand *cli.Subcommand, args []string) error {
Run: func(subcommand *cli.Subcommand, args []string) error {
if len(args) < 1 {
goto enargs
}
switch args[0] {
case "on":
pprofListenCmd.Run = true
pprofArgs.Run = true
if len(args) != 2 {
return errors.New("must specify TCP_LISTEN_ADDRESS as second positional argument")
}
pprofListenCmd.HttpListenAddress = args[1]
pprofArgs.HttpListenAddress = args[1]
case "off":
if len(args) != 1 {
goto enargs
}
pprofListenCmd.Run = false
pprofArgs.Run = false
}
RunPProf(subcommand.Config())
@@ -59,7 +58,7 @@ func RunPProf(conf *config.Config) {
log.Printf("error creating http client: %s", err)
die()
}
err = jsonRequestResponse(httpc, daemon.ControlJobEndpointPProf, pprofListenCmd.PprofServerControlMsg, struct{}{})
err = jsonRequestResponse(httpc, daemon.ControlJobEndpointPProf, pprofArgs.PprofServerControlMsg, struct{}{})
if err != nil {
log.Printf("error sending control message: %s", err)
die()
@@ -1,19 +1,17 @@
package client
import (
"context"
"github.com/pkg/errors"
"github.com/zrepl/zrepl/internal/cli"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/internal/daemon"
"github.com/zrepl/zrepl/cli"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/daemon"
)
var SignalCmd = &cli.Subcommand{
Use: "signal [wakeup|reset] JOB",
Short: "wake up a job from wait state or abort its current invocation",
Run: func(ctx context.Context, subcommand *cli.Subcommand, args []string) error {
Run: func(subcommand *cli.Subcommand, args []string) error {
return runSignalCmd(subcommand.Config(), args)
},
}
+757
View File
@@ -0,0 +1,757 @@
package client
import (
"fmt"
"io"
"math"
"net/http"
"os"
"sort"
"strings"
"sync"
"time"
// tcell is the termbox-compatbile library for abstracting away escape sequences, etc.
// as of tcell#252, the number of default distributed terminals is relatively limited
// additional terminal definitions can be included via side-effect import
// See https://github.com/gdamore/tcell/blob/master/terminfo/base/base.go
// See https://github.com/gdamore/tcell/issues/252#issuecomment-533836078
"github.com/gdamore/tcell/termbox"
_ "github.com/gdamore/tcell/terminfo/s/screen" // tmux on FreeBSD 11 & 12 without ncurses
"github.com/pkg/errors"
"github.com/spf13/pflag"
"github.com/zrepl/yaml-config"
"github.com/zrepl/zrepl/cli"
"github.com/zrepl/zrepl/daemon"
"github.com/zrepl/zrepl/daemon/job"
"github.com/zrepl/zrepl/daemon/pruner"
"github.com/zrepl/zrepl/daemon/snapper"
"github.com/zrepl/zrepl/replication/report"
)
type byteProgressMeasurement struct {
time time.Time
val int64
}
type bytesProgressHistory struct {
last *byteProgressMeasurement // pointer as poor man's optional
changeCount int
lastChange time.Time
bpsAvg float64
}
func (p *bytesProgressHistory) Update(currentVal int64) (bytesPerSecondAvg int64, changeCount int) {
if p.last == nil {
p.last = &byteProgressMeasurement{
time: time.Now(),
val: currentVal,
}
return 0, 0
}
if p.last.val != currentVal {
p.changeCount++
p.lastChange = time.Now()
}
if time.Since(p.lastChange) > 3*time.Second {
p.last = nil
return 0, 0
}
deltaV := currentVal - p.last.val
deltaT := time.Since(p.last.time)
rate := float64(deltaV) / deltaT.Seconds()
factor := 0.3
p.bpsAvg = (1-factor)*p.bpsAvg + factor*rate
p.last.time = time.Now()
p.last.val = currentVal
return int64(p.bpsAvg), p.changeCount
}
type tui struct {
x, y int
indent int
lock sync.Mutex //For report and error
report map[string]job.Status
err error
jobFilter string
replicationProgress map[string]*bytesProgressHistory // by job name
}
func newTui() tui {
return tui{
replicationProgress: make(map[string]*bytesProgressHistory),
}
}
const INDENT_MULTIPLIER = 4
func (t *tui) moveLine(dl int, col int) {
t.y += dl
t.x = t.indent*INDENT_MULTIPLIER + col
}
func (t *tui) write(text string) {
for _, c := range text {
if c == '\n' {
t.newline()
continue
}
termbox.SetCell(t.x, t.y, c, termbox.ColorDefault, termbox.ColorDefault)
t.x += 1
}
}
func (t *tui) printf(text string, a ...interface{}) {
t.write(fmt.Sprintf(text, a...))
}
func wrap(s string, width int) string {
var b strings.Builder
for len(s) > 0 {
rem := width
if rem > len(s) {
rem = len(s)
}
if idx := strings.IndexAny(s, "\n\r"); idx != -1 && idx < rem {
rem = idx + 1
}
untilNewline := strings.TrimRight(s[:rem], "\n\r")
s = s[rem:]
if len(untilNewline) == 0 {
continue
}
b.WriteString(untilNewline)
b.WriteString("\n")
}
return strings.TrimRight(b.String(), "\n\r")
}
func (t *tui) printfDrawIndentedAndWrappedIfMultiline(format string, a ...interface{}) {
whole := fmt.Sprintf(format, a...)
width, _ := termbox.Size()
if !strings.ContainsAny(whole, "\n\r") && t.x+len(whole) <= width {
t.printf(format, a...)
} else {
t.addIndent(1)
t.newline()
t.write(wrap(whole, width-INDENT_MULTIPLIER*t.indent))
t.addIndent(-1)
}
}
func (t *tui) newline() {
t.moveLine(1, 0)
}
func (t *tui) setIndent(indent int) {
t.indent = indent
t.moveLine(0, 0)
}
func (t *tui) addIndent(indent int) {
t.indent += indent
t.moveLine(0, 0)
}
var statusFlags struct {
Raw bool
Job string
}
var StatusCmd = &cli.Subcommand{
Use: "status",
Short: "show job activity or dump as JSON for monitoring",
SetupFlags: func(f *pflag.FlagSet) {
f.BoolVar(&statusFlags.Raw, "raw", false, "dump raw status description from zrepl daemon")
f.StringVar(&statusFlags.Job, "job", "", "only dump specified job")
},
Run: runStatus,
}
func runStatus(s *cli.Subcommand, args []string) error {
httpc, err := controlHttpClient(s.Config().Global.Control.SockPath)
if err != nil {
return err
}
if statusFlags.Raw {
resp, err := httpc.Get("http://unix" + daemon.ControlJobEndpointStatus)
if err != nil {
return err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
fmt.Fprintf(os.Stderr, "Received error response:\n")
_, err := io.CopyN(os.Stderr, resp.Body, 4096)
if err != nil {
return err
}
return errors.Errorf("exit")
}
if _, err := io.Copy(os.Stdout, resp.Body); err != nil {
return err
}
return nil
}
t := newTui()
t.lock.Lock()
t.err = errors.New("Got no report yet")
t.lock.Unlock()
t.jobFilter = statusFlags.Job
err = termbox.Init()
if err != nil {
return err
}
defer termbox.Close()
update := func() {
m := make(map[string]job.Status)
err2 := jsonRequestResponse(httpc, daemon.ControlJobEndpointStatus,
struct{}{},
&m,
)
t.lock.Lock()
t.err = err2
t.report = m
t.lock.Unlock()
t.draw()
}
update()
ticker := time.NewTicker(500 * time.Millisecond)
defer ticker.Stop()
go func() {
for range ticker.C {
update()
}
}()
termbox.HideCursor()
termbox.Clear(termbox.ColorDefault, termbox.ColorDefault)
loop:
for {
switch ev := termbox.PollEvent(); ev.Type {
case termbox.EventKey:
switch ev.Key {
case termbox.KeyEsc:
break loop
case termbox.KeyCtrlC:
break loop
}
case termbox.EventResize:
t.draw()
}
}
return nil
}
func (t *tui) getReplicationProgresHistory(jobName string) *bytesProgressHistory {
p, ok := t.replicationProgress[jobName]
if !ok {
p = &bytesProgressHistory{}
t.replicationProgress[jobName] = p
}
return p
}
func (t *tui) draw() {
t.lock.Lock()
defer t.lock.Unlock()
termbox.Clear(termbox.ColorDefault, termbox.ColorDefault)
t.x = 0
t.y = 0
t.indent = 0
if t.err != nil {
t.write(t.err.Error())
} else {
//Iterate over map in alphabetical order
keys := make([]string, 0, len(t.report))
for k := range t.report {
if len(k) == 0 || daemon.IsInternalJobName(k) { //Internal job
continue
}
if t.jobFilter != "" && k != t.jobFilter {
continue
}
keys = append(keys, k)
}
sort.Strings(keys)
if len(keys) == 0 {
t.setIndent(0)
t.printf("no jobs to display")
t.newline()
termbox.Flush()
return
}
for _, k := range keys {
v := t.report[k]
t.setIndent(0)
t.printf("Job: %s", k)
t.setIndent(1)
t.newline()
t.printf("Type: %s", v.Type)
t.setIndent(1)
t.newline()
if v.Type == job.TypePush || v.Type == job.TypePull {
activeStatus, ok := v.JobSpecific.(*job.ActiveSideStatus)
if !ok || activeStatus == nil {
t.printf("ActiveSideStatus is null")
t.newline()
continue
}
t.printf("Replication:")
t.newline()
t.addIndent(1)
t.renderReplicationReport(activeStatus.Replication, t.getReplicationProgresHistory(k))
t.addIndent(-1)
t.printf("Pruning Sender:")
t.newline()
t.addIndent(1)
t.renderPrunerReport(activeStatus.PruningSender)
t.addIndent(-1)
t.printf("Pruning Receiver:")
t.newline()
t.addIndent(1)
t.renderPrunerReport(activeStatus.PruningReceiver)
t.addIndent(-1)
if v.Type == job.TypePush {
t.printf("Snapshotting:")
t.newline()
t.addIndent(1)
t.renderSnapperReport(activeStatus.Snapshotting)
t.addIndent(-1)
}
} else if v.Type == job.TypeSnap {
snapStatus, ok := v.JobSpecific.(*job.SnapJobStatus)
if !ok || snapStatus == nil {
t.printf("SnapJobStatus is null")
t.newline()
continue
}
t.printf("Pruning snapshots:")
t.newline()
t.addIndent(1)
t.renderPrunerReport(snapStatus.Pruning)
t.addIndent(-1)
t.printf("Snapshotting:")
t.newline()
t.addIndent(1)
t.renderSnapperReport(snapStatus.Snapshotting)
t.addIndent(-1)
} else if v.Type == job.TypeSource {
st := v.JobSpecific.(*job.PassiveStatus)
t.printf("Snapshotting:\n")
t.addIndent(1)
t.renderSnapperReport(st.Snapper)
t.addIndent(-1)
} else {
t.printf("No status representation for job type '%s', dumping as YAML", v.Type)
t.newline()
asYaml, err := yaml.Marshal(v.JobSpecific)
if err != nil {
t.printf("Error marshaling status to YAML: %s", err)
t.newline()
continue
}
t.write(string(asYaml))
t.newline()
continue
}
}
}
termbox.Flush()
}
func (t *tui) renderReplicationReport(rep *report.Report, history *bytesProgressHistory) {
if rep == nil {
t.printf("...\n")
return
}
if rep.WaitReconnectError != nil {
t.printfDrawIndentedAndWrappedIfMultiline("Connectivity: %s", rep.WaitReconnectError)
t.newline()
}
if !rep.WaitReconnectSince.IsZero() {
delta := time.Until(rep.WaitReconnectUntil).Round(time.Second)
if rep.WaitReconnectUntil.IsZero() || delta > 0 {
var until string
if rep.WaitReconnectUntil.IsZero() {
until = "waiting indefinitely"
} else {
until = fmt.Sprintf("hard fail in %s @ %s", delta, rep.WaitReconnectUntil)
}
t.printfDrawIndentedAndWrappedIfMultiline("Connectivity: reconnecting with exponential backoff (since %s) (%s)",
rep.WaitReconnectSince, until)
} else {
t.printfDrawIndentedAndWrappedIfMultiline("Connectivity: reconnects reached hard-fail timeout @ %s", rep.WaitReconnectUntil)
}
t.newline()
}
// TODO visualize more than the latest attempt by folding all attempts into one
if len(rep.Attempts) == 0 {
t.printf("no attempts made yet")
return
} else {
t.printf("Attempt #%d", len(rep.Attempts))
if len(rep.Attempts) > 1 {
t.printf(". Previous attempts failed with the following statuses:")
t.newline()
t.addIndent(1)
for i, a := range rep.Attempts[:len(rep.Attempts)-1] {
t.printfDrawIndentedAndWrappedIfMultiline("#%d: %s (failed at %s) (ran %s)", i+1, a.State, a.FinishAt, a.FinishAt.Sub(a.StartAt))
t.newline()
}
t.addIndent(-1)
} else {
t.newline()
}
}
latest := rep.Attempts[len(rep.Attempts)-1]
sort.Slice(latest.Filesystems, func(i, j int) bool {
return latest.Filesystems[i].Info.Name < latest.Filesystems[j].Info.Name
})
t.printf("Status: %s", latest.State)
t.newline()
if latest.State == report.AttemptPlanningError {
t.printf("Problem: ")
t.printfDrawIndentedAndWrappedIfMultiline("%s", latest.PlanError)
t.newline()
} else if latest.State == report.AttemptFanOutError {
t.printf("Problem: one or more of the filesystems encountered errors")
t.newline()
}
if latest.State != report.AttemptPlanning && latest.State != report.AttemptPlanningError {
// Draw global progress bar
// Progress: [---------------]
expected, replicated := latest.BytesSum()
rate, changeCount := history.Update(replicated)
t.write("Progress: ")
t.drawBar(50, replicated, expected, changeCount)
t.write(fmt.Sprintf(" %s / %s @ %s/s", ByteCountBinary(replicated), ByteCountBinary(expected), ByteCountBinary(rate)))
t.newline()
var maxFSLen int
for _, fs := range latest.Filesystems {
if len(fs.Info.Name) > maxFSLen {
maxFSLen = len(fs.Info.Name)
}
}
for _, fs := range latest.Filesystems {
t.printFilesystemStatus(fs, false, maxFSLen) // FIXME bring 'active' flag back
}
}
}
func (t *tui) renderPrunerReport(r *pruner.Report) {
if r == nil {
t.printf("...\n")
return
}
state, err := pruner.StateString(r.State)
if err != nil {
t.printf("Status: %q (parse error: %q)\n", r.State, err)
return
}
t.printf("Status: %s", state)
t.newline()
if r.Error != "" {
t.printf("Error: %s\n", r.Error)
}
type commonFS struct {
*pruner.FSReport
completed bool
}
all := make([]commonFS, 0, len(r.Pending)+len(r.Completed))
for i := range r.Pending {
all = append(all, commonFS{&r.Pending[i], false})
}
for i := range r.Completed {
all = append(all, commonFS{&r.Completed[i], true})
}
switch state {
case pruner.Plan:
fallthrough
case pruner.PlanErr:
return
}
if len(all) == 0 {
t.printf("nothing to do\n")
return
}
var totalDestroyCount, completedDestroyCount int
var maxFSname int
for _, fs := range all {
totalDestroyCount += len(fs.DestroyList)
if fs.completed {
completedDestroyCount += len(fs.DestroyList)
}
if maxFSname < len(fs.Filesystem) {
maxFSname = len(fs.Filesystem)
}
}
// global progress bar
progress := int(math.Round(80 * float64(completedDestroyCount) / float64(totalDestroyCount)))
t.write("Progress: ")
t.write("[")
t.write(times("=", progress))
t.write(">")
t.write(times("-", 80-progress))
t.write("]")
t.printf(" %d/%d snapshots", completedDestroyCount, totalDestroyCount)
t.newline()
sort.SliceStable(all, func(i, j int) bool {
return strings.Compare(all[i].Filesystem, all[j].Filesystem) == -1
})
// Draw a table-like representation of 'all'
for _, fs := range all {
t.write(rightPad(fs.Filesystem, maxFSname, " "))
t.write(" ")
if !fs.SkipReason.NotSkipped() {
t.printf("skipped: %s\n", fs.SkipReason)
continue
}
if fs.LastError != "" {
if strings.ContainsAny(fs.LastError, "\r\n") {
t.printf("ERROR:")
t.printfDrawIndentedAndWrappedIfMultiline("%s\n", fs.LastError)
} else {
t.printfDrawIndentedAndWrappedIfMultiline("ERROR: %s\n", fs.LastError)
}
t.newline()
continue
}
pruneRuleActionStr := fmt.Sprintf("(destroy %d of %d snapshots)",
len(fs.DestroyList), len(fs.SnapshotList))
if fs.completed {
t.printf("Completed %s\n", pruneRuleActionStr)
continue
}
t.write("Pending ") // whitespace is padding 10
if len(fs.DestroyList) == 1 {
t.write(fs.DestroyList[0].Name)
} else {
t.write(pruneRuleActionStr)
}
t.newline()
}
}
func (t *tui) renderSnapperReport(r *snapper.Report) {
if r == nil {
t.printf("<snapshot type does not have a report>\n")
return
}
t.printf("Status: %s", r.State)
t.newline()
if r.Error != "" {
t.printf("Error: %s\n", r.Error)
}
if !r.SleepUntil.IsZero() {
t.printf("Sleep until: %s\n", r.SleepUntil)
}
sort.Slice(r.Progress, func(i, j int) bool {
return strings.Compare(r.Progress[i].Path, r.Progress[j].Path) == -1
})
t.addIndent(1)
defer t.addIndent(-1)
dur := func(d time.Duration) string {
return d.Round(100 * time.Millisecond).String()
}
type row struct {
path, state, duration, remainder, hookReport string
}
var widths struct {
path, state, duration int
}
rows := make([]*row, len(r.Progress))
for i, fs := range r.Progress {
r := &row{
path: fs.Path,
state: fs.State.String(),
}
if fs.HooksHadError {
r.hookReport = fs.Hooks // FIXME render here, not in daemon
}
switch fs.State {
case snapper.SnapPending:
r.duration = "..."
r.remainder = ""
case snapper.SnapStarted:
r.duration = dur(time.Since(fs.StartAt))
r.remainder = fmt.Sprintf("snap name: %q", fs.SnapName)
case snapper.SnapDone:
fallthrough
case snapper.SnapError:
r.duration = dur(fs.DoneAt.Sub(fs.StartAt))
r.remainder = fmt.Sprintf("snap name: %q", fs.SnapName)
}
rows[i] = r
if len(r.path) > widths.path {
widths.path = len(r.path)
}
if len(r.state) > widths.state {
widths.state = len(r.state)
}
if len(r.duration) > widths.duration {
widths.duration = len(r.duration)
}
}
for _, r := range rows {
path := rightPad(r.path, widths.path, " ")
state := rightPad(r.state, widths.state, " ")
duration := rightPad(r.duration, widths.duration, " ")
t.printf("%s %s %s", path, state, duration)
t.printfDrawIndentedAndWrappedIfMultiline(" %s", r.remainder)
if r.hookReport != "" {
t.printfDrawIndentedAndWrappedIfMultiline("%s", r.hookReport)
}
t.newline()
}
}
func times(str string, n int) (out string) {
for i := 0; i < n; i++ {
out += str
}
return
}
func rightPad(str string, length int, pad string) string {
if len(str) > length {
return str[:length]
}
return str + strings.Repeat(pad, length-len(str))
}
var arrowPositions = `>\|/`
// changeCount = 0 indicates stall / no progresss
func (t *tui) drawBar(length int, bytes, totalBytes int64, changeCount int) {
var completedLength int
if totalBytes > 0 {
completedLength = int(int64(length) * bytes / totalBytes)
if completedLength > length {
completedLength = length
}
} else if totalBytes == bytes {
completedLength = length
}
t.write("[")
t.write(times("=", completedLength))
t.write(string(arrowPositions[changeCount%len(arrowPositions)]))
t.write(times("-", length-completedLength))
t.write("]")
}
func (t *tui) printFilesystemStatus(rep *report.FilesystemReport, active bool, maxFS int) {
expected, replicated := rep.BytesSum()
status := fmt.Sprintf("%s (step %d/%d, %s/%s)",
strings.ToUpper(string(rep.State)),
rep.CurrentStep, len(rep.Steps),
ByteCountBinary(replicated), ByteCountBinary(expected),
)
activeIndicator := " "
if active {
activeIndicator = "*"
}
t.printf("%s %s %s ",
activeIndicator,
rightPad(rep.Info.Name, maxFS, " "),
status)
next := ""
if err := rep.Error(); err != nil {
next = err.Err
} else if rep.State != report.FilesystemDone {
if nextStep := rep.NextStep(); nextStep != nil {
if nextStep.IsIncremental() {
next = fmt.Sprintf("next: %s => %s", nextStep.Info.From, nextStep.Info.To)
} else {
next = fmt.Sprintf("next: %s (full)", nextStep.Info.To)
}
} else {
next = "" // individual FSes may still be in planning state
}
}
t.printfDrawIndentedAndWrappedIfMultiline("%s", next)
t.newline()
}
func ByteCountBinary(b int64) string {
const unit = 1024
if b < unit {
return fmt.Sprintf("%d B", b)
}
div, exp := int64(unit), 0
for n := b / unit; n >= unit; n /= unit {
div *= unit
exp++
}
return fmt.Sprintf("%.1f %ciB", float64(b)/float64(div), "KMGTPE"[exp])
}
@@ -5,8 +5,8 @@ import (
"github.com/problame/go-netssh"
"github.com/zrepl/zrepl/internal/cli"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/cli"
"github.com/zrepl/zrepl/config"
"context"
"errors"
@@ -17,7 +17,7 @@ import (
var StdinserverCmd = &cli.Subcommand{
Use: "stdinserver CLIENT_IDENTITY",
Short: "stdinserver transport mode (started from authorized_keys file as forced command)",
Run: func(ctx context.Context, subcommand *cli.Subcommand, args []string) error {
Run: func(subcommand *cli.Subcommand, args []string) error {
return runStdinserver(subcommand.Config(), args)
},
}
@@ -1,24 +1,21 @@
package client
import (
"context"
"encoding/json"
"fmt"
"os"
"github.com/pkg/errors"
"github.com/spf13/pflag"
"github.com/zrepl/zrepl/internal/cli"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/internal/daemon/filters"
"github.com/zrepl/zrepl/internal/zfs"
"github.com/zrepl/zrepl/cli"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/daemon/filters"
"github.com/zrepl/zrepl/zfs"
)
var TestCmd = &cli.Subcommand{
Use: "test",
SetupSubcommands: func() []*cli.Subcommand {
return []*cli.Subcommand{testFilter, testPlaceholder, testDecodeResumeToken}
return []*cli.Subcommand{testFilter, testPlaceholder}
},
}
@@ -39,7 +36,7 @@ var testFilter = &cli.Subcommand{
Run: runTestFilterCmd,
}
func runTestFilterCmd(ctx context.Context, subcommand *cli.Subcommand, args []string) error {
func runTestFilterCmd(subcommand *cli.Subcommand, args []string) error {
if testFilterArgs.job == "" {
return fmt.Errorf("must specify --job flag")
@@ -60,8 +57,6 @@ func runTestFilterCmd(ctx context.Context, subcommand *cli.Subcommand, args []st
confFilter = j.Filesystems
case *config.PushJob:
confFilter = j.Filesystems
case *config.SnapJob:
confFilter = j.Filesystems
default:
return fmt.Errorf("job type %T does not have filesystems filter", j)
}
@@ -75,7 +70,7 @@ func runTestFilterCmd(ctx context.Context, subcommand *cli.Subcommand, args []st
if testFilterArgs.input != "" {
fsnames = []string{testFilterArgs.input}
} else {
out, err := zfs.ZFSList(ctx, []string{"name"})
out, err := zfs.ZFSList([]string{"name"})
if err != nil {
return fmt.Errorf("could not list ZFS filesystems: %s", err)
}
@@ -136,15 +131,13 @@ var testPlaceholder = &cli.Subcommand{
Run: runTestPlaceholder,
}
func runTestPlaceholder(ctx context.Context, subcommand *cli.Subcommand, args []string) error {
func runTestPlaceholder(subcommand *cli.Subcommand, args []string) error {
var checkDPs []*zfs.DatasetPath
var datasetWasExplicitArgument bool
// all actions first
if testPlaceholderArgs.all {
datasetWasExplicitArgument = false
out, err := zfs.ZFSList(ctx, []string{"name"})
out, err := zfs.ZFSList([]string{"name"})
if err != nil {
return errors.Wrap(err, "could not list ZFS filesystems")
}
@@ -156,7 +149,6 @@ func runTestPlaceholder(ctx context.Context, subcommand *cli.Subcommand, args []
checkDPs = append(checkDPs, dp)
}
} else {
datasetWasExplicitArgument = true
dp, err := zfs.NewDatasetPath(testPlaceholderArgs.ds)
if err != nil {
return err
@@ -169,17 +161,12 @@ func runTestPlaceholder(ctx context.Context, subcommand *cli.Subcommand, args []
fmt.Printf("IS_PLACEHOLDER\tDATASET\tzrepl:placeholder\n")
for _, dp := range checkDPs {
ph, err := zfs.ZFSGetFilesystemPlaceholderState(ctx, dp)
ph, err := zfs.ZFSGetFilesystemPlaceholderState(dp)
if err != nil {
return errors.Wrap(err, "cannot get placeholder state")
}
if !ph.FSExists {
if datasetWasExplicitArgument {
return errors.Errorf("filesystem %q does not exist", ph.FS)
} else {
// got deleted between ZFSList and ZFSGetFilesystemPlaceholderState
continue
}
panic("placeholder state inconsistent: filesystem " + ph.FS + " must exist in this context")
}
is := "yes"
if !ph.IsPlaceholder {
@@ -189,32 +176,3 @@ func runTestPlaceholder(ctx context.Context, subcommand *cli.Subcommand, args []
}
return nil
}
var testDecodeResumeTokenArgs struct {
token string
}
var testDecodeResumeToken = &cli.Subcommand{
Use: "decoderesumetoken --token TOKEN",
Short: "decode resume token",
SetupFlags: func(f *pflag.FlagSet) {
f.StringVar(&testDecodeResumeTokenArgs.token, "token", "", "the resume token obtained from the receive_resume_token property")
},
Run: runTestDecodeResumeTokenCmd,
}
func runTestDecodeResumeTokenCmd(ctx context.Context, subcommand *cli.Subcommand, args []string) error {
if testDecodeResumeTokenArgs.token == "" {
return fmt.Errorf("token argument must be specified")
}
token, err := zfs.ParseResumeToken(ctx, testDecodeResumeTokenArgs.token)
if err != nil {
return err
}
enc := json.NewEncoder(os.Stdout)
enc.SetIndent("", " ")
if err := enc.Encode(&token); err != nil {
panic(err)
}
return nil
}
@@ -1,16 +1,15 @@
package client
import (
"context"
"fmt"
"os"
"github.com/spf13/pflag"
"github.com/zrepl/zrepl/internal/cli"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/internal/daemon"
"github.com/zrepl/zrepl/internal/version"
"github.com/zrepl/zrepl/cli"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/daemon"
"github.com/zrepl/zrepl/version"
)
var versionArgs struct {
@@ -26,7 +25,7 @@ var VersionCmd = &cli.Subcommand{
SetupFlags: func(f *pflag.FlagSet) {
f.StringVar(&versionArgs.Show, "show", "", "version info to show (client|daemon)")
},
Run: func(ctx context.Context, subcommand *cli.Subcommand, args []string) error {
Run: func(subcommand *cli.Subcommand, args []string) error {
versionArgs.Config = subcommand.Config()
versionArgs.ConfigErr = subcommand.ConfigParsingError()
return runVersionCmd()
+89 -165
View File
@@ -2,27 +2,20 @@ package config
import (
"fmt"
"io/ioutil"
"log/syslog"
"os"
"reflect"
"regexp"
"strconv"
"time"
"github.com/pkg/errors"
"github.com/robfig/cron/v3"
"github.com/zrepl/yaml-config"
"github.com/zrepl/zrepl/internal/util/datasizeunit"
zfsprop "github.com/zrepl/zrepl/internal/zfs/property"
)
type ParseFlags uint
const (
ParseFlagsNone ParseFlags = 0
ParseFlagsNoCertCheck ParseFlags = 1 << iota
)
type Config struct {
Jobs []JobEnum `yaml:"jobs,optional"`
Jobs []JobEnum `yaml:"jobs"`
Global *Global `yaml:"global,optional,fromdefaults"`
}
@@ -59,110 +52,41 @@ func (j JobEnum) Name() string {
}
type ActiveJob struct {
Type string `yaml:"type"`
Name string `yaml:"name"`
Connect ConnectEnum `yaml:"connect"`
Pruning PruningSenderReceiver `yaml:"pruning"`
Replication *Replication `yaml:"replication,optional,fromdefaults"`
ConflictResolution *ConflictResolution `yaml:"conflict_resolution,optional,fromdefaults"`
}
type ConflictResolution struct {
InitialReplication string `yaml:"initial_replication,optional,default=most_recent"`
Type string `yaml:"type"`
Name string `yaml:"name"`
Connect ConnectEnum `yaml:"connect"`
Pruning PruningSenderReceiver `yaml:"pruning"`
Debug JobDebugSettings `yaml:"debug,optional"`
}
type PassiveJob struct {
Type string `yaml:"type"`
Name string `yaml:"name"`
Serve ServeEnum `yaml:"serve"`
Type string `yaml:"type"`
Name string `yaml:"name"`
Serve ServeEnum `yaml:"serve"`
Debug JobDebugSettings `yaml:"debug,optional"`
}
type SnapJob struct {
Type string `yaml:"type"`
Name string `yaml:"name"`
Pruning PruningLocal `yaml:"pruning"`
Debug JobDebugSettings `yaml:"debug,optional"`
Snapshotting SnapshottingEnum `yaml:"snapshotting"`
Filesystems FilesystemsFilter `yaml:"filesystems"`
}
type SendOptions struct {
Encrypted bool `yaml:"encrypted,optional,default=false"`
Raw bool `yaml:"raw,optional,default=false"`
SendProperties bool `yaml:"send_properties,optional,default=false"`
BackupProperties bool `yaml:"backup_properties,optional,default=false"`
LargeBlocks bool `yaml:"large_blocks,optional,default=false"`
Compressed bool `yaml:"compressed,optional,default=false"`
EmbeddedData bool `yaml:"embedded_data,optional,default=false"`
Saved bool `yaml:"saved,optional,default=false"`
BandwidthLimit *BandwidthLimit `yaml:"bandwidth_limit,optional,fromdefaults"`
}
type RecvOptions struct {
// Note: we cannot enforce encrypted recv as the ZFS cli doesn't provide a mechanism for it
// Encrypted bool `yaml:"may_encrypted"`
// Future:
// Reencrypt bool `yaml:"reencrypt"`
Properties *PropertyRecvOptions `yaml:"properties,fromdefaults"`
BandwidthLimit *BandwidthLimit `yaml:"bandwidth_limit,optional,fromdefaults"`
Placeholder *PlaceholderRecvOptions `yaml:"placeholder,fromdefaults"`
}
var _ yaml.Unmarshaler = &datasizeunit.Bits{}
type BandwidthLimit struct {
Max datasizeunit.Bits `yaml:"max,default=-1 B"`
BucketCapacity datasizeunit.Bits `yaml:"bucket_capacity,default=128 KiB"`
}
type Replication struct {
Protection *ReplicationOptionsProtection `yaml:"protection,optional,fromdefaults"`
Concurrency *ReplicationOptionsConcurrency `yaml:"concurrency,optional,fromdefaults"`
}
type ReplicationOptionsProtection struct {
Initial string `yaml:"initial,optional,default=guarantee_resumability"`
Incremental string `yaml:"incremental,optional,default=guarantee_resumability"`
}
type ReplicationOptionsConcurrency struct {
Steps int `yaml:"steps,optional,default=1"`
SizeEstimates int `yaml:"size_estimates,optional,default=4"`
}
type PropertyRecvOptions struct {
Inherit []zfsprop.Property `yaml:"inherit,optional"`
Override map[zfsprop.Property]string `yaml:"override,optional"`
}
type PlaceholderRecvOptions struct {
Encryption string `yaml:"encryption,default=unspecified"`
}
type PushJob struct {
ActiveJob `yaml:",inline"`
Snapshotting SnapshottingEnum `yaml:"snapshotting"`
Filesystems FilesystemsFilter `yaml:"filesystems"`
Send *SendOptions `yaml:"send,fromdefaults,optional"`
}
func (j *PushJob) GetFilesystems() FilesystemsFilter { return j.Filesystems }
func (j *PushJob) GetSendOptions() *SendOptions { return j.Send }
type PullJob struct {
ActiveJob `yaml:",inline"`
RootFS string `yaml:"root_fs"`
Interval PositiveDurationOrManual `yaml:"interval"`
Recv *RecvOptions `yaml:"recv,fromdefaults,optional"`
}
func (j *PullJob) GetRootFS() string { return j.RootFS }
func (j *PullJob) GetAppendClientIdentity() bool { return false }
func (j *PullJob) GetRecvOptions() *RecvOptions { return j.Recv }
type PositiveDurationOrManual struct {
Interval time.Duration
Manual bool
@@ -183,34 +107,28 @@ func (i *PositiveDurationOrManual) UnmarshalYAML(u func(interface{}, bool) error
return fmt.Errorf("value must not be empty")
default:
i.Manual = false
i.Interval, err = parsePositiveDuration(s)
i.Interval, err = time.ParseDuration(s)
if err != nil {
return err
}
if i.Interval <= 0 {
return fmt.Errorf("value must be a positive duration, got %q", s)
}
}
return nil
}
type SinkJob struct {
PassiveJob `yaml:",inline"`
RootFS string `yaml:"root_fs"`
Recv *RecvOptions `yaml:"recv,optional,fromdefaults"`
RootFS string `yaml:"root_fs"`
}
func (j *SinkJob) GetRootFS() string { return j.RootFS }
func (j *SinkJob) GetAppendClientIdentity() bool { return true }
func (j *SinkJob) GetRecvOptions() *RecvOptions { return j.Recv }
type SourceJob struct {
PassiveJob `yaml:",inline"`
Snapshotting SnapshottingEnum `yaml:"snapshotting"`
Filesystems FilesystemsFilter `yaml:"filesystems"`
Send *SendOptions `yaml:"send,optional,fromdefaults"`
}
func (j *SourceJob) GetFilesystems() FilesystemsFilter { return j.Filesystems }
func (j *SourceJob) GetSendOptions() *SendOptions { return j.Send }
type FilesystemsFilter map[string]bool
type SnapshottingEnum struct {
@@ -218,49 +136,10 @@ type SnapshottingEnum struct {
}
type SnapshottingPeriodic struct {
Type string `yaml:"type"`
Prefix string `yaml:"prefix"`
Interval *PositiveDuration `yaml:"interval"`
Hooks HookList `yaml:"hooks,optional"`
TimestampFormattingSpec `yaml:",inline"`
}
type TimestampFormattingSpec struct {
TimestampFormat string `yaml:"timestamp_format,optional,default=dense"`
TimestampLocation string `yaml:"timestamp_location,optional,default=UTC"`
}
type CronSpec struct {
Schedule cron.Schedule
}
var _ yaml.Unmarshaler = &CronSpec{}
func (s *CronSpec) UnmarshalYAML(unmarshal func(v interface{}, not_strict bool) error) error {
var specString string
if err := unmarshal(&specString, false); err != nil {
return err
}
// Use standard cron format.
// Disable the various "descriptors" (@daily, etc)
// They are just aliases to "top of hour", "midnight", etc.
parser := cron.NewParser(cron.Minute | cron.Hour | cron.Dom | cron.Month | cron.Dow | cron.SecondOptional)
sched, err := parser.Parse(specString)
if err != nil {
return errors.Wrap(err, "cron syntax invalid")
}
s.Schedule = sched
return nil
}
type SnapshottingCron struct {
Type string `yaml:"type"`
Prefix string `yaml:"prefix"`
Cron CronSpec `yaml:"cron"`
Hooks HookList `yaml:"hooks,optional"`
TimestampFormattingSpec `yaml:",inline"`
Type string `yaml:"type"`
Prefix string `yaml:"prefix"`
Interval time.Duration `yaml:"interval,positive"`
Hooks HookList `yaml:"hooks,optional"`
}
type SnapshottingManual struct {
@@ -302,6 +181,18 @@ type Global struct {
Serve *GlobalServe `yaml:"serve,optional,fromdefaults"`
}
func Default(i interface{}) {
v := reflect.ValueOf(i)
if v.Kind() != reflect.Ptr {
panic(v)
}
y := `{}`
err := yaml.Unmarshal([]byte(y), v.Interface())
if err != nil {
panic(err)
}
}
type ConnectEnum struct {
Ret interface{}
}
@@ -354,16 +245,14 @@ type ServeCommon struct {
}
type TCPServe struct {
ServeCommon `yaml:",inline"`
Listen string `yaml:"listen,hostport"`
ListenFreeBind bool `yaml:"listen_freebind,default=false"`
Clients map[string]string `yaml:"clients"`
ServeCommon `yaml:",inline"`
Listen string `yaml:"listen,hostport"`
Clients map[string]string `yaml:"clients"`
}
type TLSServe struct {
ServeCommon `yaml:",inline"`
Listen string `yaml:"listen,hostport"`
ListenFreeBind bool `yaml:"listen_freebind,default=false"`
Ca string `yaml:"ca"`
Cert string `yaml:"cert"`
Key string `yaml:"key"`
@@ -393,7 +282,6 @@ type PruneKeepNotReplicated struct {
type PruneKeepLastN struct {
Type string `yaml:"type"`
Count int `yaml:"count"`
Regex string `yaml:"regex,optional"`
}
type PruneKeepRegex struct { // FIXME rename to KeepRegex
@@ -443,9 +331,8 @@ type MonitoringEnum struct {
}
type PrometheusMonitoring struct {
Type string `yaml:"type"`
Listen string `yaml:"listen,hostport"`
ListenFreeBind bool `yaml:"listen_freebind,default=false"`
Type string `yaml:"type"`
Listen string `yaml:"listen,hostport"`
}
type SyslogFacility syslog.Priority
@@ -468,6 +355,14 @@ type GlobalStdinServer struct {
SockDir string `yaml:"sockdir,default=/var/run/zrepl/stdinserver"`
}
type JobDebugSettings struct {
Conn *struct {
ReadDump string `yaml:"read_dump"`
WriteDump string `yaml:"write_dump"`
} `yaml:"conn,optional"`
RPCLog bool `yaml:"rpc_log,optional,default=false"`
}
type HookList []HookEnum
type HookEnum struct {
@@ -566,7 +461,6 @@ func (t *SnapshottingEnum) UnmarshalYAML(u func(interface{}, bool) error) (err e
t.Ret, err = enumUnmarshal(u, map[string]interface{}{
"periodic": &SnapshottingPeriodic{},
"manual": &SnapshottingManual{},
"cron": &SnapshottingCron{},
})
return
}
@@ -675,7 +569,7 @@ func ParseConfig(path string) (i *Config, err error) {
var bytes []byte
if bytes, err = os.ReadFile(path); err != nil {
if bytes, err = ioutil.ReadFile(path); err != nil {
return
}
@@ -687,16 +581,46 @@ func ParseConfigBytes(bytes []byte) (*Config, error) {
if err := yaml.UnmarshalStrict(bytes, &c); err != nil {
return nil, err
}
if c != nil {
return c, nil
}
// There was no yaml document in the file, deserialize from default.
// => See TestFromdefaultsEmptyDoc in yaml-config package.
if err := yaml.UnmarshalStrict([]byte("{}"), &c); err != nil {
return nil, err
}
if c == nil {
panic("the fallback to deserialize from `{}` should work")
return nil, fmt.Errorf("config is empty or only consists of comments")
}
return c, nil
}
var durationStringRegex *regexp.Regexp = regexp.MustCompile(`^\s*(\d+)\s*(s|m|h|d|w)\s*$`)
func parsePostitiveDuration(e string) (d time.Duration, err error) {
comps := durationStringRegex.FindStringSubmatch(e)
if len(comps) != 3 {
err = fmt.Errorf("does not match regex: %s %#v", e, comps)
return
}
durationFactor, err := strconv.ParseInt(comps[1], 10, 64)
if err != nil {
return 0, err
}
if durationFactor <= 0 {
return 0, errors.New("duration must be positive integer")
}
var durationUnit time.Duration
switch comps[2] {
case "s":
durationUnit = time.Second
case "m":
durationUnit = time.Minute
case "h":
durationUnit = time.Hour
case "d":
durationUnit = 24 * time.Hour
case "w":
durationUnit = 24 * 7 * time.Hour
default:
err = fmt.Errorf("contains unknown time unit '%s'", comps[2])
return
}
d = time.Duration(durationFactor) * durationUnit
return
}
@@ -21,7 +21,7 @@ jobs:
clients: {
"10.0.0.1":"foo"
}
root_fs: zroot/foo
root_fs: zoot/foo
`
_, err := ParseConfigBytes([]byte(jobdef))
require.NoError(t, err)
@@ -70,9 +70,9 @@ func TestPrometheusMonitoring(t *testing.T) {
global:
monitoring:
- type: prometheus
listen: ':9811'
listen: ':9091'
`)
assert.Equal(t, ":9811", conf.Global.Monitoring[0].Ret.(*PrometheusMonitoring).Listen)
assert.Equal(t, ":9091", conf.Global.Monitoring[0].Ret.(*PrometheusMonitoring).Listen)
}
func TestSyslogLoggingOutletFacility(t *testing.T) {
@@ -2,8 +2,16 @@ package config
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestConfigEmptyFails(t *testing.T) {
conf, err := testConfig(t, "\n")
assert.Nil(t, conf)
assert.Error(t, err)
}
func TestJobsOnlyWorks(t *testing.T) {
testValidConfig(t, `
jobs:
@@ -26,7 +34,7 @@ jobs:
keep_sender:
- type: not_replicated
keep_receiver:
- type: last_n
- type: last_n
count: 1
`)
}
+90
View File
@@ -0,0 +1,90 @@
package config
import (
"fmt"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestSnapshotting(t *testing.T) {
tmpl := `
jobs:
- name: foo
type: push
connect:
type: local
listener_name: foo
client_identity: bar
filesystems: {"<": true}
%s
pruning:
keep_sender:
- type: last_n
count: 10
keep_receiver:
- type: last_n
count: 10
`
manual := `
snapshotting:
type: manual
`
periodic := `
snapshotting:
type: periodic
prefix: zrepl_
interval: 10m
`
hooks := `
snapshotting:
type: periodic
prefix: zrepl_
interval: 10m
hooks:
- type: command
path: /tmp/path/to/command
- type: command
path: /tmp/path/to/command
filesystems: { "zroot<": true, "<": false }
- type: postgres-checkpoint
dsn: "host=localhost port=5432 user=postgres sslmode=disable"
filesystems: {
"tank/postgres/data11": true
}
- type: mysql-lock-tables
dsn: "root@tcp(localhost)/"
filesystems: {
"tank/mysql": true
}
`
fillSnapshotting := func(s string) string { return fmt.Sprintf(tmpl, s) }
var c *Config
t.Run("manual", func(t *testing.T) {
c = testValidConfig(t, fillSnapshotting(manual))
snm := c.Jobs[0].Ret.(*PushJob).Snapshotting.Ret.(*SnapshottingManual)
assert.Equal(t, "manual", snm.Type)
})
t.Run("periodic", func(t *testing.T) {
c = testValidConfig(t, fillSnapshotting(periodic))
snp := c.Jobs[0].Ret.(*PushJob).Snapshotting.Ret.(*SnapshottingPeriodic)
assert.Equal(t, "periodic", snp.Type)
assert.Equal(t, 10*time.Minute, snp.Interval)
assert.Equal(t, "zrepl_", snp.Prefix)
})
t.Run("hooks", func(t *testing.T) {
c = testValidConfig(t, fillSnapshotting(hooks))
hs := c.Jobs[0].Ret.(*PushJob).Snapshotting.Ret.(*SnapshottingPeriodic).Hooks
assert.Equal(t, hs[0].Ret.(*HookCommand).Filesystems["<"], true)
assert.Equal(t, hs[1].Ret.(*HookCommand).Filesystems["zroot<"], true)
assert.Equal(t, hs[2].Ret.(*HookPostgresCheckpoint).Filesystems["tank/postgres/data11"], true)
assert.Equal(t, hs[3].Ret.(*HookMySQLLockTables).Filesystems["tank/mysql"], true)
})
}
@@ -13,7 +13,6 @@ import (
"github.com/kr/pretty"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/zrepl/yaml-config"
)
func TestSampleConfigsAreParsedWithoutErrors(t *testing.T) {
@@ -22,8 +21,6 @@ func TestSampleConfigsAreParsedWithoutErrors(t *testing.T) {
t.Errorf("glob failed: %+v", err)
}
paths = append(paths, "../../packaging/systemd-default-zrepl.yml")
for _, p := range paths {
if path.Ext(p) != ".yml" {
@@ -45,9 +42,8 @@ func TestSampleConfigsAreParsedWithoutErrors(t *testing.T) {
}
// template must be a template/text template with a single '{{ . }}' as placeholder for val
//
//nolint:deadcode,unused
// template must be a template/text template with a single '{{ . }}' as placehodler for val
//nolint[:deadcode,unused]
func testValidConfigTemplate(t *testing.T, tmpl string, val string) *Config {
tmp, err := template.New("master").Parse(tmpl)
if err != nil {
@@ -86,72 +82,7 @@ func trimSpaceEachLineAndPad(s, pad string) string {
func TestTrimSpaceEachLineAndPad(t *testing.T) {
foo := `
foo
bar baz
bar baz
`
assert.Equal(t, " \n foo\n bar baz\n \n", trimSpaceEachLineAndPad(foo, " "))
}
func TestCronSpec(t *testing.T) {
expectAccept := []string{
`"* * * * *"`,
`"0-10 * * * *"`,
`"* 0-5,8,12 * * *"`,
}
expectFail := []string{
`* * * *`,
``,
`23`,
`"@reboot"`,
`"@every 1h30m"`,
`"@daily"`,
`* * * * * *`,
}
for _, input := range expectAccept {
t.Run(input, func(t *testing.T) {
s := fmt.Sprintf("spec: %s\n", input)
var v struct {
Spec CronSpec
}
v.Spec.Schedule = nil
t.Logf("input:\n%s", s)
err := yaml.UnmarshalStrict([]byte(s), &v)
t.Logf("error: %T %s", err, err)
require.NoError(t, err)
require.NotNil(t, v.Spec.Schedule)
})
}
for _, input := range expectFail {
t.Run(input, func(t *testing.T) {
s := fmt.Sprintf("spec: %s\n", input)
var v struct {
Spec CronSpec
}
v.Spec.Schedule = nil
t.Logf("input: %q", s)
err := yaml.UnmarshalStrict([]byte(s), &v)
t.Logf("error: %T %s", err, err)
require.Error(t, err)
require.Nil(t, v.Spec.Schedule)
})
}
}
func TestEmptyConfig(t *testing.T) {
cases := []string{
"",
"\n",
"---",
"---\n",
}
for _, input := range cases {
config := testValidConfig(t, input)
require.NotNil(t, config)
require.NotNil(t, config.Global)
require.Empty(t, config.Jobs)
}
}
@@ -37,7 +37,7 @@ func (t *RetentionIntervalList) UnmarshalYAML(u func(interface{}, bool) error) (
return err
}
intervals, err := ParseRetentionIntervalSpec(in)
intervals, err := parseRetentionGridIntervalsString(in)
if err != nil {
return err
}
@@ -64,7 +64,7 @@ func parseRetentionGridIntervalString(e string) (intervals []RetentionInterval,
return nil, fmt.Errorf("contains factor <= 0")
}
duration, err := parsePositiveDuration(comps[2])
duration, err := parsePostitiveDuration(comps[2])
if err != nil {
return nil, err
}
@@ -102,7 +102,7 @@ func parseRetentionGridIntervalString(e string) (intervals []RetentionInterval,
}
func ParseRetentionIntervalSpec(s string) (intervals []RetentionInterval, err error) {
func parseRetentionGridIntervalsString(s string) (intervals []RetentionInterval, err error) {
ges := strings.Split(s, "|")
intervals = make([]RetentionInterval, 0, 7*len(ges))
@@ -26,6 +26,7 @@ jobs:
- type: last_n
count: 10
keep_receiver:
- type: most_recent_common_snapshot
- type: grid
grid: 1x1h(keep=all) | 24x1h | 35x1d | 6x30d
regex: "zrepl_.*"
@@ -9,7 +9,7 @@ jobs:
port: 22
identity_file: /etc/zrepl/ssh/identity
options: # optional, default [], `-o` arguments passed to ssh
- "Compression=yes"
- "Compression=on"
root_fs: "pool2/backup_servers"
interval: 10m
pruning:
@@ -10,8 +10,6 @@ jobs:
address: "backup-server.foo.bar:8888"
snapshotting:
type: manual
send:
encrypted: false
pruning:
keep_sender:
- type: not_replicated
@@ -5,11 +5,7 @@ jobs:
type: tcp
listen: "0.0.0.0:8888"
clients: {
"192.168.122.123" : "mysql01",
"192.168.122.42" : "mx01",
"2001:0db8:85a3::8a2e:0370:7334": "gateway",
"10.23.42.0/24": "cluster-*",
"fde4:8dba:82e1::/64": "san-*",
"192.168.122.123" : "client1"
}
filesystems: {
"<": true,
@@ -8,20 +8,17 @@ import (
"io"
"net"
"net/http"
"os"
"time"
"github.com/pkg/errors"
"github.com/prometheus/client_golang/prometheus"
"github.com/zrepl/zrepl/internal/daemon/job"
"github.com/zrepl/zrepl/internal/daemon/nethelpers"
"github.com/zrepl/zrepl/internal/endpoint"
"github.com/zrepl/zrepl/internal/logger"
"github.com/zrepl/zrepl/internal/util/envconst"
"github.com/zrepl/zrepl/internal/version"
"github.com/zrepl/zrepl/internal/zfs"
"github.com/zrepl/zrepl/internal/zfs/zfscmd"
"github.com/zrepl/zrepl/daemon/job"
"github.com/zrepl/zrepl/daemon/nethelpers"
"github.com/zrepl/zrepl/logger"
"github.com/zrepl/zrepl/util/envconst"
"github.com/zrepl/zrepl/version"
"github.com/zrepl/zrepl/zfs"
)
type controlJob struct {
@@ -47,8 +44,6 @@ func (j *controlJob) Status() *job.Status { return &job.Status{Type: job.TypeInt
func (j *controlJob) OwnedDatasetSubtreeRoot() (p *zfs.DatasetPath, ok bool) { return nil, false }
func (j *controlJob) SenderConfig() *endpoint.SenderConfig { return nil }
var promControl struct {
requestBegin *prometheus.CounterVec
requestFinished *prometheus.HistogramVec
@@ -66,7 +61,7 @@ func (j *controlJob) RegisterMetrics(registerer prometheus.Registerer) {
Namespace: "zrepl",
Subsystem: "control",
Name: "request_finished",
Help: "time it took a request to finish",
Help: "time it took a request to finih",
Buckets: []float64{1e-6, 10e-6, 100e-6, 500e-6, 1e-3, 10e-3, 100e-3, 200e-3, 400e-3, 800e-3, 1, 10, 20},
}, []string{"endpoint"})
registerer.MustRegister(promControl.requestBegin)
@@ -119,16 +114,7 @@ func (j *controlJob) Run(ctx context.Context) {
mux.Handle(ControlJobEndpointStatus,
// don't log requests to status endpoint, too spammy
jsonResponder{log, func() (interface{}, error) {
jobs := j.jobs.status()
globalZFS := zfscmd.GetReport()
envconstReport := envconst.GetReport()
s := Status{
Jobs: jobs,
Global: GlobalStatus{
ZFSCmds: globalZFS,
Envconst: envconstReport,
OsEnviron: os.Environ(),
}}
s := j.jobs.status()
return s, nil
}})
@@ -158,8 +144,8 @@ func (j *controlJob) Run(ctx context.Context) {
server := http.Server{
Handler: mux,
// control socket is local, 1s timeout should be more than sufficient, even on a loaded system
WriteTimeout: envconst.Duration("ZREPL_DAEMON_CONTROL_SERVER_WRITE_TIMEOUT", 1*time.Second),
ReadTimeout: envconst.Duration("ZREPL_DAEMON_CONTROL_SERVER_READ_TIMEOUT", 1*time.Second),
WriteTimeout: 1 * time.Second,
ReadTimeout: 1 * time.Second,
}
outer:
@@ -261,7 +247,7 @@ func (j jsonRequestResponder) ServeHTTP(w http.ResponseWriter, r *http.Request)
var buf bytes.Buffer
encodeErr := json.NewEncoder(&buf).Encode(res)
if encodeErr != nil {
j.log.WithError(producerErr).Error("control handler json marshal error")
j.log.WithError(producerErr).Error("control handler json marhsal error")
w.WriteHeader(http.StatusInternalServerError)
_, err := io.WriteString(w, encodeErr.Error())
logIoErr(err)
+27 -81
View File
@@ -13,22 +13,18 @@ import (
"github.com/pkg/errors"
"github.com/prometheus/client_golang/prometheus"
"github.com/zrepl/zrepl/internal/daemon/logging/trace"
"github.com/zrepl/zrepl/internal/endpoint"
"github.com/zrepl/zrepl/internal/util/envconst"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/internal/daemon/job"
"github.com/zrepl/zrepl/internal/daemon/job/reset"
"github.com/zrepl/zrepl/internal/daemon/job/wakeup"
"github.com/zrepl/zrepl/internal/daemon/logging"
"github.com/zrepl/zrepl/internal/logger"
"github.com/zrepl/zrepl/internal/version"
"github.com/zrepl/zrepl/internal/zfs/zfscmd"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/daemon/job"
"github.com/zrepl/zrepl/daemon/job/reset"
"github.com/zrepl/zrepl/daemon/job/wakeup"
"github.com/zrepl/zrepl/daemon/logging"
"github.com/zrepl/zrepl/logger"
"github.com/zrepl/zrepl/version"
)
func Run(ctx context.Context, conf *config.Config) error {
ctx, cancel := context.WithCancel(ctx)
func Run(conf *config.Config) error {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
sigChan := make(chan os.Signal, 1)
@@ -42,9 +38,8 @@ func Run(ctx context.Context, conf *config.Config) error {
if err != nil {
return errors.Wrap(err, "cannot build logging from config")
}
outlets.Add(newPrometheusLogOutlet(), logger.Debug)
confJobs, err := job.JobsFromConfig(conf, config.ParseFlagsNone)
confJobs, err := job.JobsFromConfig(conf)
if err != nil {
return errors.Wrap(err, "cannot build jobs from config")
}
@@ -52,24 +47,15 @@ func Run(ctx context.Context, conf *config.Config) error {
log := logger.NewLogger(outlets, 1*time.Second)
log.Info(version.NewZreplVersionInformation().String())
ctx = logging.WithLoggers(ctx, logging.SubsystemLoggersWithUniversalLogger(log))
trace.RegisterCallback(trace.Callback{
OnBegin: func(ctx context.Context) { logging.GetLogger(ctx, logging.SubsysTraceData).Debug("begin span") },
OnEnd: func(ctx context.Context, spanInfo trace.SpanInfo) {
logging.
GetLogger(ctx, logging.SubsysTraceData).
WithField("duration_s", spanInfo.EndedAt().Sub(spanInfo.StartedAt()).Seconds()).
Debug("finished span " + spanInfo.TaskAndSpanStack(trace.SpanStackKindAnnotation))
},
})
for _, job := range confJobs {
if IsInternalJobName(job.Name()) {
panic(fmt.Sprintf("internal job name used for config job '%s'", job.Name())) //FIXME
}
}
jobs := newJobs(prometheus.DefaultRegisterer)
ctx = job.WithLogger(ctx, log)
jobs := newJobs()
// start control socket
controlJob, err := newControlJob(conf.Global.Control.SockPath, jobs)
@@ -90,17 +76,11 @@ func Run(ctx context.Context, conf *config.Config) error {
return errors.Errorf("unknown monitoring job #%d (type %T)", i, v)
}
if err != nil {
return errors.Wrapf(err, "cannot build monitoring job #%d", i)
return errors.Wrapf(err, "cannot build monitorin gjob #%d", i)
}
jobs.start(ctx, job, true)
}
// register global (=non job-local) metrics
version.PrometheusRegister(prometheus.DefaultRegisterer)
zfscmd.RegisterMetrics(prometheus.DefaultRegisterer)
trace.RegisterMetrics(prometheus.DefaultRegisterer)
endpoint.RegisterMetrics(prometheus.DefaultRegisterer)
log.Info("starting daemon")
// start regular jobs
@@ -114,8 +94,6 @@ func Run(ctx context.Context, conf *config.Config) error {
case <-ctx.Done():
log.WithError(ctx.Err()).Info("context finished")
}
log.Info("waiting for jobs to finish")
<-jobs.wait()
log.Info("daemon exiting")
return nil
}
@@ -123,8 +101,6 @@ func Run(ctx context.Context, conf *config.Config) error {
type jobs struct {
wg sync.WaitGroup
metrics metrics
// m protects all fields below it
m sync.RWMutex
wakeups map[string]wakeup.Func // by Job.Name
@@ -132,54 +108,26 @@ type jobs struct {
jobs map[string]job.Job
}
type metrics struct {
running *prometheus.GaugeVec
}
func newJobs(registry prometheus.Registerer) *jobs {
jobs := &jobs{
metrics: metrics{
running: prometheus.NewGaugeVec(prometheus.GaugeOpts{
Namespace: "zrepl",
Subsystem: "daemon",
Name: "job_up",
Help: `Each zrepl-level job starts its life with this metric =1.
It reamins =1 until the job leaves its Run() function.
The purpose of this metric is primarily for Prometheus to be aware of all job names.
The value will only transition to 0 during zrepl daemon shutdown or panics.
`,
}, []string{"zrepl_job", "internal"}),
},
func newJobs() *jobs {
return &jobs{
wakeups: make(map[string]wakeup.Func),
resets: make(map[string]reset.Func),
jobs: make(map[string]job.Job),
}
registry.MustRegister(jobs.metrics.running)
return jobs
}
const (
logJobField string = "job"
)
func (s *jobs) wait() <-chan struct{} {
ch := make(chan struct{})
go func() {
s.wg.Wait()
close(ch)
}()
return ch
}
type Status struct {
Jobs map[string]*job.Status
Global GlobalStatus
}
type GlobalStatus struct {
ZFSCmds *zfscmd.Report
Envconst *envconst.Report
OsEnviron []string
}
func (s *jobs) status() map[string]*job.Status {
s.m.RLock()
defer s.m.RUnlock()
@@ -241,8 +189,9 @@ func (s *jobs) start(ctx context.Context, j job.Job, internal bool) {
s.m.Lock()
defer s.m.Unlock()
ctx = logging.WithInjectedField(ctx, logging.JobField, j.Name())
jobLog := job.GetLogger(ctx).
WithField(logJobField, j.Name()).
WithOutlet(newPrometheusLogOutlet(j.Name()), logger.Debug)
jobName := j.Name()
if !internal && IsInternalJobName(jobName) {
panic(fmt.Sprintf("internal job name used for non-internal job %s", jobName))
@@ -257,20 +206,17 @@ func (s *jobs) start(ctx context.Context, j job.Job, internal bool) {
j.RegisterMetrics(prometheus.DefaultRegisterer)
s.jobs[jobName] = j
ctx = zfscmd.WithJobID(ctx, j.Name())
ctx = job.WithLogger(ctx, jobLog)
ctx, wakeup := wakeup.Context(ctx)
ctx, resetFunc := reset.Context(ctx)
s.wakeups[jobName] = wakeup
s.resets[jobName] = resetFunc
s.wg.Add(1)
runningJobsGauge := s.metrics.running.WithLabelValues(jobName, fmt.Sprintf("%v", internal))
runningJobsGauge.Inc()
go func() {
defer runningJobsGauge.Dec()
defer s.wg.Done()
job.GetLogger(ctx).Info("starting job")
defer job.GetLogger(ctx).Info("job exited")
jobLog.Info("starting job")
defer jobLog.Info("job exited")
j.Run(ctx)
}()
}
@@ -6,8 +6,8 @@ import (
"github.com/pkg/errors"
"github.com/zrepl/zrepl/internal/endpoint"
"github.com/zrepl/zrepl/internal/zfs"
"github.com/zrepl/zrepl/endpoint"
"github.com/zrepl/zrepl/zfs"
)
type DatasetMapFilter struct {
@@ -160,16 +160,8 @@ func (m DatasetMapFilter) Filter(p *zfs.DatasetPath) (pass bool, err error) {
return
}
func (m DatasetMapFilter) UserSpecifiedDatasets() (datasets zfs.UserSpecifiedDatasetsSet) {
datasets = make(zfs.UserSpecifiedDatasetsSet)
for i := range m.entries {
datasets[m.entries[i].path.ToString()] = true
}
return
}
// Construct a new filter-only DatasetMapFilter from a mapping
// The new filter allows exactly those paths that were not forbidden by the mapping.
// The new filter allows excactly those paths that were not forbidden by the mapping.
func (m DatasetMapFilter) InvertedFilter() (inv *DatasetMapFilter, err error) {
if m.filterMode {
@@ -1,11 +1,11 @@
package filters
import (
"testing"
"github.com/zrepl/zrepl/internal/zfs"
"github.com/zrepl/zrepl/zfs"
)
import "testing"
func TestDatasetMapFilter(t *testing.T) {
type testCase struct {
+41
View File
@@ -0,0 +1,41 @@
package filters
import (
"strings"
"github.com/zrepl/zrepl/zfs"
)
type AnyFSVFilter struct{}
func NewAnyFSVFilter() AnyFSVFilter {
return AnyFSVFilter{}
}
var _ zfs.FilesystemVersionFilter = AnyFSVFilter{}
func (AnyFSVFilter) Filter(t zfs.VersionType, name string) (accept bool, err error) {
return true, nil
}
type PrefixFilter struct {
prefix string
fstype zfs.VersionType
fstypeSet bool // optionals anyone?
}
var _ zfs.FilesystemVersionFilter = &PrefixFilter{}
func NewPrefixFilter(prefix string) *PrefixFilter {
return &PrefixFilter{prefix: prefix}
}
func NewTypedPrefixFilter(prefix string, versionType zfs.VersionType) *PrefixFilter {
return &PrefixFilter{prefix, versionType, true}
}
func (f *PrefixFilter) Filter(t zfs.VersionType, name string) (accept bool, err error) {
fstypeMatches := (!f.fstypeSet || t == f.fstype)
prefixMatches := strings.HasPrefix(name, f.prefix)
return fstypeMatches && prefixMatches, nil
}
@@ -3,8 +3,8 @@ package hooks
import (
"fmt"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/internal/zfs"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/zfs"
)
type List []Hook
@@ -5,7 +5,7 @@
//
// This package also provides all supported hook type implementations and abstractions around them.
//
// # Use For Other Kinds Of ExpectStepReports
// Use For Other Kinds Of ExpectStepReports
//
// This package REQUIRES REFACTORING before it can be used for other activities than snapshots, e.g. pre- and post-replication:
//
@@ -15,7 +15,7 @@
// The hook implementations should move out of this package.
// However, there is a lot of tight coupling which to untangle isn't worth it ATM.
//
// # How This Package Is Used By Package Snapper
// How This Package Is Used By Package Snapper
//
// Deserialize a config.List using ListFromConfig().
// Then it MUST filter the list to only contain hooks for a particular filesystem using
@@ -30,4 +30,5 @@
// Command hooks make it available in the environment variable ZREPL_DRYRUN.
//
// Plan.Report() can be called while Plan.Run() is executing to give an overview of plan execution progress (future use in "zrepl status").
//
package hooks
@@ -7,7 +7,7 @@ import (
"sync"
"time"
"github.com/zrepl/zrepl/internal/zfs"
"github.com/zrepl/zrepl/zfs"
)
// Re-export type here so that
@@ -6,17 +6,29 @@ import (
"context"
"sync"
"github.com/zrepl/zrepl/internal/daemon/logging"
"github.com/zrepl/zrepl/internal/logger"
"github.com/zrepl/zrepl/internal/util/envconst"
"github.com/zrepl/zrepl/logger"
"github.com/zrepl/zrepl/util/envconst"
)
type contextKey int
const (
contextKeyLog contextKey = 0
)
type Logger = logger.Logger
func WithLogger(ctx context.Context, log Logger) context.Context {
return context.WithValue(ctx, contextKeyLog, log)
}
func GetLogger(ctx context.Context) Logger { return getLogger(ctx) }
func getLogger(ctx context.Context) Logger {
return logging.GetLogger(ctx, logging.SubsysHooks)
if log, ok := ctx.Value(contextKeyLog).(Logger); ok {
return log
}
return logger.NewNullLogger()
}
const MAX_HOOK_LOG_SIZE_DEFAULT int = 1 << 20
@@ -4,8 +4,8 @@ import (
"context"
"fmt"
"github.com/zrepl/zrepl/internal/daemon/filters"
"github.com/zrepl/zrepl/internal/zfs"
"github.com/zrepl/zrepl/daemon/filters"
"github.com/zrepl/zrepl/zfs"
)
type HookJobCallback func(ctx context.Context) error
@@ -12,11 +12,11 @@ import (
"sync"
"time"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/internal/daemon/filters"
"github.com/zrepl/zrepl/internal/logger"
"github.com/zrepl/zrepl/internal/util/circlog"
"github.com/zrepl/zrepl/internal/util/envconst"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/daemon/filters"
"github.com/zrepl/zrepl/logger"
"github.com/zrepl/zrepl/util/circlog"
"github.com/zrepl/zrepl/util/envconst"
)
type HookEnvVar string
@@ -93,14 +93,7 @@ func (r *CommandHookReport) String() string {
cmdLine.WriteString(fmt.Sprintf("%s'%s'", sep, a))
}
var msg string
if r.Err == nil {
msg = "command hook"
} else {
msg = fmt.Sprintf("command hook failed with %q", r.Err)
}
return fmt.Sprintf("%s: \"%s\"", msg, cmdLine.String()) // no %q to make copy-pastable
return fmt.Sprintf("command hook invocation: \"%s\"", cmdLine.String()) // no %q to make copy-pastable
}
func (r *CommandHookReport) Error() string {
if r.Err == nil {
@@ -12,27 +12,24 @@ import (
"github.com/pkg/errors"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/internal/daemon/filters"
"github.com/zrepl/zrepl/internal/zfs"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/daemon/filters"
"github.com/zrepl/zrepl/zfs"
)
// Hook to implement the following recommmendation from MySQL docs
// https://dev.mysql.com/doc/mysql-backup-excerpt/5.7/en/backup-methods.html
//
// Making Backups Using a File System Snapshot:
// Making Backups Using a File System Snapshot:
//
// If you are using a Veritas file system, you can make a backup like this:
// If you are using a Veritas file system, you can make a backup like this:
//
// From a client program, execute FLUSH TABLES WITH READ LOCK.
// From another shell, execute mount vxfs snapshot.
// From the first client, execute UNLOCK TABLES.
// Copy files from the snapshot.
// Unmount the snapshot.
// From a client program, execute FLUSH TABLES WITH READ LOCK.
// From another shell, execute mount vxfs snapshot.
// From the first client, execute UNLOCK TABLES.
// Copy files from the snapshot.
// Unmount the snapshot.
//
// Similar snapshot capabilities may be available in other file systems, such as LVM or ZFS.
//
// Similar snapshot capabilities may be available in other file systems, such as LVM or ZFS.
type MySQLLockTables struct {
errIsFatal bool
connector sqldriver.Connector
@@ -10,9 +10,9 @@ import (
"github.com/lib/pq"
"github.com/pkg/errors"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/internal/daemon/filters"
"github.com/zrepl/zrepl/internal/zfs"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/daemon/filters"
"github.com/zrepl/zrepl/zfs"
)
type PgChkptHook struct {
@@ -11,13 +11,10 @@ import (
"github.com/stretchr/testify/require"
"github.com/zrepl/zrepl/internal/daemon/logging/trace"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/internal/daemon/hooks"
"github.com/zrepl/zrepl/internal/daemon/logging"
"github.com/zrepl/zrepl/internal/logger"
"github.com/zrepl/zrepl/internal/zfs"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/daemon/hooks"
"github.com/zrepl/zrepl/logger"
"github.com/zrepl/zrepl/zfs"
)
type comparisonAssertionFunc func(require.TestingT, interface{}, interface{}, ...interface{})
@@ -72,9 +69,6 @@ func curry(f comparisonAssertionFunc, expected interface{}, right bool) (ret val
}
func TestHooks(t *testing.T) {
ctx, end := trace.WithTaskFromStack(context.Background())
defer end()
testFSName := "testpool/testdataset"
testSnapshotName := "testsnap"
@@ -161,7 +155,7 @@ jobs:
ExpectedEdge: hooks.Pre,
ExpectStatus: hooks.StepErr,
OutputTest: containsTest(fmt.Sprintf("TEST ERROR pre_testing %s@%s", testFSName, testSnapshotName)),
ErrorTest: regexpTest("^command hook failed.*exit status 1$"),
ErrorTest: regexpTest("^command hook invocation.*exit status 1$"),
},
expectStep{ExpectedEdge: hooks.Callback, ExpectStatus: hooks.StepOk},
expectStep{
@@ -185,7 +179,7 @@ jobs:
ExpectedEdge: hooks.Pre,
ExpectStatus: hooks.StepErr,
OutputTest: containsTest(fmt.Sprintf("TEST ERROR pre_testing %s@%s", testFSName, testSnapshotName)),
ErrorTest: regexpTest("^command hook failed.*exit status 1$"),
ErrorTest: regexpTest("^command hook invocation.*exit status 1$"),
},
expectStep{
ExpectedEdge: hooks.Pre,
@@ -234,7 +228,7 @@ jobs:
ExpectedEdge: hooks.Post,
ExpectStatus: hooks.StepErr,
OutputTest: containsTest(fmt.Sprintf("TEST ERROR post_testing %s@%s", testFSName, testSnapshotName)),
ErrorTest: regexpTest("^command hook failed.*exit status 1$"),
ErrorTest: regexpTest("^command hook invocation.*exit status 1$"),
},
},
},
@@ -267,7 +261,7 @@ jobs:
ExpectedEdge: hooks.Pre,
ExpectStatus: hooks.StepErr,
OutputTest: containsTest(fmt.Sprintf("TEST ERROR pre_testing %s@%s", testFSName, testSnapshotName)),
ErrorTest: regexpTest("^command hook failed.*exit status 1$"),
ErrorTest: regexpTest("^command hook invocation.*exit status 1$"),
},
expectStep{ExpectedEdge: hooks.Callback, ExpectStatus: hooks.StepOk},
expectStep{
@@ -295,7 +289,7 @@ jobs:
ExpectedEdge: hooks.Pre,
ExpectStatus: hooks.StepErr,
OutputTest: containsTest(fmt.Sprintf("TEST ERROR pre_testing %s@%s", testFSName, testSnapshotName)),
ErrorTest: regexpTest("^command hook failed.*exit status 1$"),
ErrorTest: regexpTest("^command hook invocation.*exit status 1$"),
},
expectStep{ExpectedEdge: hooks.Callback, ExpectStatus: hooks.StepOk},
expectStep{
@@ -424,8 +418,9 @@ jobs:
cbReached = false
ctx := context.Background()
if testing.Verbose() && !tt.SuppressOutput {
ctx = logging.WithLoggers(ctx, logging.SubsystemLoggersWithUniversalLogger(log))
ctx = hooks.WithLogger(ctx, log)
}
plan.Run(ctx, false)
report := plan.Report()
@@ -1,5 +1,6 @@
// Code generated by "enumer -type=StepStatus -trimprefix=Step"; DO NOT EDIT.
//
package hooks
import (
+434
View File
@@ -0,0 +1,434 @@
package job
import (
"context"
"sync"
"time"
"github.com/pkg/errors"
"github.com/prometheus/client_golang/prometheus"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/daemon/filters"
"github.com/zrepl/zrepl/daemon/job/reset"
"github.com/zrepl/zrepl/daemon/job/wakeup"
"github.com/zrepl/zrepl/daemon/logging"
"github.com/zrepl/zrepl/daemon/pruner"
"github.com/zrepl/zrepl/daemon/snapper"
"github.com/zrepl/zrepl/endpoint"
"github.com/zrepl/zrepl/replication"
"github.com/zrepl/zrepl/replication/driver"
"github.com/zrepl/zrepl/replication/logic"
"github.com/zrepl/zrepl/replication/report"
"github.com/zrepl/zrepl/rpc"
"github.com/zrepl/zrepl/transport"
"github.com/zrepl/zrepl/transport/fromconfig"
"github.com/zrepl/zrepl/zfs"
)
type ActiveSide struct {
mode activeMode
name string
connecter transport.Connecter
prunerFactory *pruner.PrunerFactory
promRepStateSecs *prometheus.HistogramVec // labels: state
promPruneSecs *prometheus.HistogramVec // labels: prune_side
promBytesReplicated *prometheus.CounterVec // labels: filesystem
tasksMtx sync.Mutex
tasks activeSideTasks
}
//go:generate enumer -type=ActiveSideState
type ActiveSideState int
const (
ActiveSideReplicating ActiveSideState = 1 << iota
ActiveSidePruneSender
ActiveSidePruneReceiver
ActiveSideDone // also errors
)
type activeSideTasks struct {
state ActiveSideState
// valid for state ActiveSideReplicating, ActiveSidePruneSender, ActiveSidePruneReceiver, ActiveSideDone
replicationReport driver.ReportFunc
replicationCancel context.CancelFunc
// valid for state ActiveSidePruneSender, ActiveSidePruneReceiver, ActiveSideDone
prunerSender, prunerReceiver *pruner.Pruner
// valid for state ActiveSidePruneReceiver, ActiveSideDone
prunerSenderCancel, prunerReceiverCancel context.CancelFunc
}
func (a *ActiveSide) updateTasks(u func(*activeSideTasks)) activeSideTasks {
a.tasksMtx.Lock()
defer a.tasksMtx.Unlock()
copy := a.tasks
if u == nil {
return copy
}
u(&copy)
a.tasks = copy
return copy
}
type activeMode interface {
ConnectEndpoints(rpcLoggers rpc.Loggers, connecter transport.Connecter)
DisconnectEndpoints()
SenderReceiver() (logic.Sender, logic.Receiver)
Type() Type
RunPeriodic(ctx context.Context, wakeUpCommon chan<- struct{})
SnapperReport() *snapper.Report
ResetConnectBackoff()
}
type modePush struct {
setupMtx sync.Mutex
sender *endpoint.Sender
receiver *rpc.Client
fsfilter endpoint.FSFilter
snapper *snapper.PeriodicOrManual
}
func (m *modePush) ConnectEndpoints(loggers rpc.Loggers, connecter transport.Connecter) {
m.setupMtx.Lock()
defer m.setupMtx.Unlock()
if m.receiver != nil || m.sender != nil {
panic("inconsistent use of ConnectEndpoints and DisconnectEndpoints")
}
m.sender = endpoint.NewSender(m.fsfilter)
m.receiver = rpc.NewClient(connecter, loggers)
}
func (m *modePush) DisconnectEndpoints() {
m.setupMtx.Lock()
defer m.setupMtx.Unlock()
m.receiver.Close()
m.sender = nil
m.receiver = nil
}
func (m *modePush) SenderReceiver() (logic.Sender, logic.Receiver) {
m.setupMtx.Lock()
defer m.setupMtx.Unlock()
return m.sender, m.receiver
}
func (m *modePush) Type() Type { return TypePush }
func (m *modePush) RunPeriodic(ctx context.Context, wakeUpCommon chan<- struct{}) {
m.snapper.Run(ctx, wakeUpCommon)
}
func (m *modePush) SnapperReport() *snapper.Report {
return m.snapper.Report()
}
func (m *modePush) ResetConnectBackoff() {
m.setupMtx.Lock()
defer m.setupMtx.Unlock()
if m.receiver != nil {
m.receiver.ResetConnectBackoff()
}
}
func modePushFromConfig(g *config.Global, in *config.PushJob) (*modePush, error) {
m := &modePush{}
fsf, err := filters.DatasetMapFilterFromConfig(in.Filesystems)
if err != nil {
return nil, errors.Wrap(err, "cannnot build filesystem filter")
}
m.fsfilter = fsf
if m.snapper, err = snapper.FromConfig(g, fsf, in.Snapshotting); err != nil {
return nil, errors.Wrap(err, "cannot build snapper")
}
return m, nil
}
type modePull struct {
setupMtx sync.Mutex
receiver *endpoint.Receiver
sender *rpc.Client
rootFS *zfs.DatasetPath
interval config.PositiveDurationOrManual
}
func (m *modePull) ConnectEndpoints(loggers rpc.Loggers, connecter transport.Connecter) {
m.setupMtx.Lock()
defer m.setupMtx.Unlock()
if m.receiver != nil || m.sender != nil {
panic("inconsistent use of ConnectEndpoints and DisconnectEndpoints")
}
m.receiver = endpoint.NewReceiver(m.rootFS, false)
m.sender = rpc.NewClient(connecter, loggers)
}
func (m *modePull) DisconnectEndpoints() {
m.setupMtx.Lock()
defer m.setupMtx.Unlock()
m.sender.Close()
m.sender = nil
m.receiver = nil
}
func (m *modePull) SenderReceiver() (logic.Sender, logic.Receiver) {
m.setupMtx.Lock()
defer m.setupMtx.Unlock()
return m.sender, m.receiver
}
func (*modePull) Type() Type { return TypePull }
func (m *modePull) RunPeriodic(ctx context.Context, wakeUpCommon chan<- struct{}) {
if m.interval.Manual {
GetLogger(ctx).Info("manual pull configured, periodic pull disabled")
// "waiting for wakeups" is printed in common ActiveSide.do
return
}
t := time.NewTicker(m.interval.Interval)
defer t.Stop()
for {
select {
case <-t.C:
select {
case wakeUpCommon <- struct{}{}:
default:
GetLogger(ctx).
WithField("pull_interval", m.interval).
Warn("pull job took longer than pull interval")
wakeUpCommon <- struct{}{} // block anyways, to queue up the wakeup
}
case <-ctx.Done():
return
}
}
}
func (m *modePull) SnapperReport() *snapper.Report {
return nil
}
func (m *modePull) ResetConnectBackoff() {
m.setupMtx.Lock()
defer m.setupMtx.Unlock()
if m.sender != nil {
m.sender.ResetConnectBackoff()
}
}
func modePullFromConfig(g *config.Global, in *config.PullJob) (m *modePull, err error) {
m = &modePull{}
m.interval = in.Interval
m.rootFS, err = zfs.NewDatasetPath(in.RootFS)
if err != nil {
return nil, errors.New("RootFS is not a valid zfs filesystem path")
}
if m.rootFS.Length() <= 0 {
return nil, errors.New("RootFS must not be empty") // duplicates error check of receiver
}
return m, nil
}
func activeSide(g *config.Global, in *config.ActiveJob, mode activeMode) (j *ActiveSide, err error) {
j = &ActiveSide{mode: mode}
j.name = in.Name
j.promRepStateSecs = prometheus.NewHistogramVec(prometheus.HistogramOpts{
Namespace: "zrepl",
Subsystem: "replication",
Name: "state_time",
Help: "seconds spent during replication",
ConstLabels: prometheus.Labels{"zrepl_job": j.name},
}, []string{"state"})
j.promBytesReplicated = prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "zrepl",
Subsystem: "replication",
Name: "bytes_replicated",
Help: "number of bytes replicated from sender to receiver per filesystem",
ConstLabels: prometheus.Labels{"zrepl_job": j.name},
}, []string{"filesystem"})
j.connecter, err = fromconfig.ConnecterFromConfig(g, in.Connect)
if err != nil {
return nil, errors.Wrap(err, "cannot build client")
}
j.promPruneSecs = prometheus.NewHistogramVec(prometheus.HistogramOpts{
Namespace: "zrepl",
Subsystem: "pruning",
Name: "time",
Help: "seconds spent in pruner",
ConstLabels: prometheus.Labels{"zrepl_job": j.name},
}, []string{"prune_side"})
j.prunerFactory, err = pruner.NewPrunerFactory(in.Pruning, j.promPruneSecs)
if err != nil {
return nil, err
}
return j, nil
}
func (j *ActiveSide) RegisterMetrics(registerer prometheus.Registerer) {
registerer.MustRegister(j.promRepStateSecs)
registerer.MustRegister(j.promPruneSecs)
registerer.MustRegister(j.promBytesReplicated)
}
func (j *ActiveSide) Name() string { return j.name }
type ActiveSideStatus struct {
Replication *report.Report
PruningSender, PruningReceiver *pruner.Report
Snapshotting *snapper.Report
}
func (j *ActiveSide) Status() *Status {
tasks := j.updateTasks(nil)
s := &ActiveSideStatus{}
t := j.mode.Type()
if tasks.replicationReport != nil {
s.Replication = tasks.replicationReport()
}
if tasks.prunerSender != nil {
s.PruningSender = tasks.prunerSender.Report()
}
if tasks.prunerReceiver != nil {
s.PruningReceiver = tasks.prunerReceiver.Report()
}
s.Snapshotting = j.mode.SnapperReport()
return &Status{Type: t, JobSpecific: s}
}
func (j *ActiveSide) OwnedDatasetSubtreeRoot() (rfs *zfs.DatasetPath, ok bool) {
pull, ok := j.mode.(*modePull)
if !ok {
_ = j.mode.(*modePush) // make sure we didn't introduce a new job type
return nil, false
}
return pull.rootFS.Copy(), true
}
func (j *ActiveSide) Run(ctx context.Context) {
log := GetLogger(ctx)
ctx = logging.WithSubsystemLoggers(ctx, log)
defer log.Info("job exiting")
periodicDone := make(chan struct{})
ctx, cancel := context.WithCancel(ctx)
defer cancel()
go j.mode.RunPeriodic(ctx, periodicDone)
invocationCount := 0
outer:
for {
log.Info("wait for wakeups")
select {
case <-ctx.Done():
log.WithError(ctx.Err()).Info("context")
break outer
case <-wakeup.Wait(ctx):
j.mode.ResetConnectBackoff()
case <-periodicDone:
}
invocationCount++
invLog := log.WithField("invocation", invocationCount)
j.do(WithLogger(ctx, invLog))
}
}
func (j *ActiveSide) do(ctx context.Context) {
log := GetLogger(ctx)
ctx = logging.WithSubsystemLoggers(ctx, log)
loggers := rpc.GetLoggersOrPanic(ctx) // filled by WithSubsystemLoggers
j.mode.ConnectEndpoints(loggers, j.connecter)
defer j.mode.DisconnectEndpoints()
// allow cancellation of an invocation (this function)
ctx, cancelThisRun := context.WithCancel(ctx)
defer cancelThisRun()
go func() {
select {
case <-reset.Wait(ctx):
log.Info("reset received, cancelling current invocation")
cancelThisRun()
case <-ctx.Done():
}
}()
sender, receiver := j.mode.SenderReceiver()
{
select {
case <-ctx.Done():
return
default:
}
ctx, repCancel := context.WithCancel(ctx)
var repWait driver.WaitFunc
j.updateTasks(func(tasks *activeSideTasks) {
// reset it
*tasks = activeSideTasks{}
tasks.replicationCancel = repCancel
tasks.replicationReport, repWait = replication.Do(
ctx, logic.NewPlanner(j.promRepStateSecs, j.promBytesReplicated, sender, receiver),
)
tasks.state = ActiveSideReplicating
})
log.Info("start replication")
repWait(true) // wait blocking
repCancel() // always cancel to free up context resources
}
{
select {
case <-ctx.Done():
return
default:
}
ctx, senderCancel := context.WithCancel(ctx)
tasks := j.updateTasks(func(tasks *activeSideTasks) {
tasks.prunerSender = j.prunerFactory.BuildSenderPruner(ctx, sender, sender)
tasks.prunerSenderCancel = senderCancel
tasks.state = ActiveSidePruneSender
})
log.Info("start pruning sender")
tasks.prunerSender.Prune()
log.Info("finished pruning sender")
senderCancel()
}
{
select {
case <-ctx.Done():
return
default:
}
ctx, receiverCancel := context.WithCancel(ctx)
tasks := j.updateTasks(func(tasks *activeSideTasks) {
tasks.prunerReceiver = j.prunerFactory.BuildReceiverPruner(ctx, receiver, sender)
tasks.prunerReceiverCancel = receiverCancel
tasks.state = ActiveSidePruneReceiver
})
log.Info("start pruning receiver")
tasks.prunerReceiver.Prune()
log.Info("finished pruning receiver")
receiverCancel()
}
j.updateTasks(func(tasks *activeSideTasks) {
tasks.state = ActiveSideDone
})
}
@@ -1,5 +1,6 @@
// Code generated by "enumer -type=ActiveSideState"; DO NOT EDIT.
//
package job
import (
@@ -7,14 +7,13 @@ import (
"github.com/pkg/errors"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/internal/util/bandwidthlimit"
"github.com/zrepl/zrepl/config"
)
func JobsFromConfig(c *config.Config, parseFlags config.ParseFlags) ([]Job, error) {
func JobsFromConfig(c *config.Config) ([]Job, error) {
js := make([]Job, len(c.Jobs))
for i := range c.Jobs {
j, err := buildJob(c.Global, c.Jobs[i], parseFlags)
j, err := buildJob(c.Global, c.Jobs[i])
if err != nil {
return nil, err
}
@@ -24,22 +23,45 @@ func JobsFromConfig(c *config.Config, parseFlags config.ParseFlags) ([]Job, erro
js[i] = j
}
// receiving-side root filesystems must not overlap
{
rfss := make([]string, 0, len(js))
for _, j := range js {
jrfs, ok := j.OwnedDatasetSubtreeRoot()
if !ok {
continue
}
rfss = append(rfss, jrfs.ToString())
}
if err := validateReceivingSidesDoNotOverlap(rfss); err != nil {
return nil, err
}
}
return js, nil
}
func buildJob(c *config.Global, in config.JobEnum, parseFlags config.ParseFlags) (j Job, err error) {
func buildJob(c *config.Global, in config.JobEnum) (j Job, err error) {
cannotBuildJob := func(e error, name string) (Job, error) {
return nil, errors.Wrapf(e, "cannot build job %q", name)
}
// FIXME prettify this
switch v := in.Ret.(type) {
case *config.SinkJob:
j, err = passiveSideFromConfig(c, &v.PassiveJob, v, parseFlags)
m, err := modeSinkFromConfig(c, v)
if err != nil {
return cannotBuildJob(err, v.Name)
}
j, err = passiveSideFromConfig(c, &v.PassiveJob, m)
if err != nil {
return cannotBuildJob(err, v.Name)
}
case *config.SourceJob:
j, err = passiveSideFromConfig(c, &v.PassiveJob, v, parseFlags)
m, err := modeSourceFromConfig(c, v)
if err != nil {
return cannotBuildJob(err, v.Name)
}
j, err = passiveSideFromConfig(c, &v.PassiveJob, m)
if err != nil {
return cannotBuildJob(err, v.Name)
}
@@ -49,12 +71,20 @@ func buildJob(c *config.Global, in config.JobEnum, parseFlags config.ParseFlags)
return cannotBuildJob(err, v.Name)
}
case *config.PushJob:
j, err = activeSide(c, &v.ActiveJob, v, parseFlags)
m, err := modePushFromConfig(c, v)
if err != nil {
return cannotBuildJob(err, v.Name)
}
j, err = activeSide(c, &v.ActiveJob, m)
if err != nil {
return cannotBuildJob(err, v.Name)
}
case *config.PullJob:
j, err = activeSide(c, &v.ActiveJob, v, parseFlags)
m, err := modePullFromConfig(c, v)
if err != nil {
return cannotBuildJob(err, v.Name)
}
j, err = activeSide(c, &v.ActiveJob, m)
if err != nil {
return cannotBuildJob(err, v.Name)
}
@@ -74,11 +104,6 @@ func validateReceivingSidesDoNotOverlap(receivingRootFSs []string) error {
sort.Slice(rfss, func(i, j int) bool {
return strings.Compare(rfss[i], rfss[j]) == -1
})
// add tailing slash because of hierarchy-simulation
// rootfs/ is not root of rootfs2/
for i := 0; i < len(rfss); i++ {
rfss[i] += "/"
}
// idea:
// no path in rfss must be prefix of another
//
@@ -93,13 +118,3 @@ func validateReceivingSidesDoNotOverlap(receivingRootFSs []string) error {
}
return nil
}
func buildBandwidthLimitConfig(in *config.BandwidthLimit) (c bandwidthlimit.Config, _ error) {
if in.Max.ToBytes() > 0 && int64(in.Max.ToBytes()) == 0 {
return c, fmt.Errorf("bandwidth limit `max` is too small, must at least specify one byte")
}
return bandwidthlimit.Config{
Max: int64(in.Max.ToBytes()),
BucketCapacity: int64(in.BucketCapacity.ToBytes()),
}, nil
}
+42
View File
@@ -0,0 +1,42 @@
package job
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestValidateReceivingSidesDoNotOverlap(t *testing.T) {
type testCase struct {
err bool
input []string
}
tcs := []testCase{
{false, nil},
{false, []string{}},
{false, []string{""}}, // not our job to determine valid paths
{false, []string{"a"}},
{false, []string{"some/path"}},
{false, []string{"zroot/sink1", "zroot/sink2", "zroot/sink3"}},
{true, []string{"zroot/b", "zroot/b"}},
{true, []string{"zroot/foo", "zroot/foo/bar", "zroot/baz"}},
{false, []string{"a/x", "b/x"}},
{false, []string{"a", "b"}},
{true, []string{"a", "a"}},
{true, []string{"a/x/y", "a/x"}},
{true, []string{"a/x", "a/x/y"}},
{true, []string{"a/x", "b/x", "a/x/y"}},
{true, []string{"a", "a/b", "a/c", "a/b"}},
{true, []string{"a/b", "a/c", "a/b", "a/d", "a/c"}},
}
for _, tc := range tcs {
t.Logf("input: %v", tc.input)
err := validateReceivingSidesDoNotOverlap(tc.input)
if tc.err {
assert.Error(t, err)
} else {
assert.NoError(t, err)
}
}
}
@@ -7,16 +7,27 @@ import (
"github.com/prometheus/client_golang/prometheus"
"github.com/zrepl/zrepl/internal/daemon/logging"
"github.com/zrepl/zrepl/internal/endpoint"
"github.com/zrepl/zrepl/internal/logger"
"github.com/zrepl/zrepl/internal/zfs"
"github.com/zrepl/zrepl/logger"
"github.com/zrepl/zrepl/zfs"
)
type Logger = logger.Logger
type contextKey int
const (
contextKeyLog contextKey = iota
)
func GetLogger(ctx context.Context) Logger {
return logging.GetLogger(ctx, logging.SubsysJob)
if l, ok := ctx.Value(contextKeyLog).(Logger); ok {
return l
}
return logger.NewNullLogger()
}
func WithLogger(ctx context.Context, l Logger) context.Context {
return context.WithValue(ctx, contextKeyLog, l)
}
type Job interface {
@@ -27,7 +38,6 @@ type Job interface {
// Jobs that return a subtree of the dataset hierarchy
// must return the root of that subtree as rfs and ok = true
OwnedDatasetSubtreeRoot() (rfs *zfs.DatasetPath, ok bool)
SenderConfig() *endpoint.SenderConfig
}
type Type string
+158
View File
@@ -0,0 +1,158 @@
package job
import (
"context"
"fmt"
"github.com/pkg/errors"
"github.com/prometheus/client_golang/prometheus"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/daemon/filters"
"github.com/zrepl/zrepl/daemon/logging"
"github.com/zrepl/zrepl/daemon/snapper"
"github.com/zrepl/zrepl/endpoint"
"github.com/zrepl/zrepl/rpc"
"github.com/zrepl/zrepl/transport"
"github.com/zrepl/zrepl/transport/fromconfig"
"github.com/zrepl/zrepl/zfs"
)
type PassiveSide struct {
mode passiveMode
name string
listen transport.AuthenticatedListenerFactory
}
type passiveMode interface {
Handler() rpc.Handler
RunPeriodic(ctx context.Context)
SnapperReport() *snapper.Report // may be nil
Type() Type
}
type modeSink struct {
rootDataset *zfs.DatasetPath
}
func (m *modeSink) Type() Type { return TypeSink }
func (m *modeSink) Handler() rpc.Handler {
return endpoint.NewReceiver(m.rootDataset, true)
}
func (m *modeSink) RunPeriodic(_ context.Context) {}
func (m *modeSink) SnapperReport() *snapper.Report { return nil }
func modeSinkFromConfig(g *config.Global, in *config.SinkJob) (m *modeSink, err error) {
m = &modeSink{}
m.rootDataset, err = zfs.NewDatasetPath(in.RootFS)
if err != nil {
return nil, errors.New("root dataset is not a valid zfs filesystem path")
}
if m.rootDataset.Length() <= 0 {
return nil, errors.New("root dataset must not be empty") // duplicates error check of receiver
}
return m, nil
}
type modeSource struct {
fsfilter zfs.DatasetFilter
snapper *snapper.PeriodicOrManual
}
func modeSourceFromConfig(g *config.Global, in *config.SourceJob) (m *modeSource, err error) {
// FIXME exact dedup of modePush
m = &modeSource{}
fsf, err := filters.DatasetMapFilterFromConfig(in.Filesystems)
if err != nil {
return nil, errors.Wrap(err, "cannnot build filesystem filter")
}
m.fsfilter = fsf
if m.snapper, err = snapper.FromConfig(g, fsf, in.Snapshotting); err != nil {
return nil, errors.Wrap(err, "cannot build snapper")
}
return m, nil
}
func (m *modeSource) Type() Type { return TypeSource }
func (m *modeSource) Handler() rpc.Handler {
return endpoint.NewSender(m.fsfilter)
}
func (m *modeSource) RunPeriodic(ctx context.Context) {
m.snapper.Run(ctx, nil)
}
func (m *modeSource) SnapperReport() *snapper.Report {
return m.snapper.Report()
}
func passiveSideFromConfig(g *config.Global, in *config.PassiveJob, mode passiveMode) (s *PassiveSide, err error) {
s = &PassiveSide{mode: mode, name: in.Name}
if s.listen, err = fromconfig.ListenerFactoryFromConfig(g, in.Serve); err != nil {
return nil, errors.Wrap(err, "cannot build listener factory")
}
return s, nil
}
func (j *PassiveSide) Name() string { return j.name }
type PassiveStatus struct {
Snapper *snapper.Report
}
func (s *PassiveSide) Status() *Status {
st := &PassiveStatus{
Snapper: s.mode.SnapperReport(),
}
return &Status{Type: s.mode.Type(), JobSpecific: st}
}
func (j *PassiveSide) OwnedDatasetSubtreeRoot() (rfs *zfs.DatasetPath, ok bool) {
sink, ok := j.mode.(*modeSink)
if !ok {
_ = j.mode.(*modeSource) // make sure we didn't introduce a new job type
return nil, false
}
return sink.rootDataset.Copy(), true
}
func (*PassiveSide) RegisterMetrics(registerer prometheus.Registerer) {}
func (j *PassiveSide) Run(ctx context.Context) {
log := GetLogger(ctx)
defer log.Info("job exiting")
ctx = logging.WithSubsystemLoggers(ctx, log)
{
ctx, cancel := context.WithCancel(ctx) // shadowing
defer cancel()
go j.mode.RunPeriodic(ctx)
}
handler := j.mode.Handler()
if handler == nil {
panic(fmt.Sprintf("implementation error: j.mode.Handler() returned nil: %#v", j))
}
ctxInterceptor := func(handlerCtx context.Context) context.Context {
return logging.WithSubsystemLoggers(handlerCtx, log)
}
rpcLoggers := rpc.GetLoggersOrPanic(ctx) // WithSubsystemLoggers above
server := rpc.NewServer(handler, rpcLoggers, ctxInterceptor)
listener, err := j.listen()
if err != nil {
log.WithError(err).Error("cannot listen")
return
}
server.Serve(ctx, listener)
}
@@ -4,39 +4,34 @@ import (
"context"
"fmt"
"sort"
"sync"
"github.com/pkg/errors"
"github.com/prometheus/client_golang/prometheus"
"github.com/zrepl/zrepl/internal/daemon/logging/trace"
"github.com/zrepl/zrepl/internal/util/bandwidthlimit"
"github.com/zrepl/zrepl/internal/util/nodefault"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/internal/daemon/filters"
"github.com/zrepl/zrepl/internal/daemon/job/wakeup"
"github.com/zrepl/zrepl/internal/daemon/pruner"
"github.com/zrepl/zrepl/internal/daemon/snapper"
"github.com/zrepl/zrepl/internal/endpoint"
"github.com/zrepl/zrepl/internal/replication/logic/pdu"
"github.com/zrepl/zrepl/internal/zfs"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/daemon/filters"
"github.com/zrepl/zrepl/daemon/job/wakeup"
"github.com/zrepl/zrepl/daemon/logging"
"github.com/zrepl/zrepl/daemon/pruner"
"github.com/zrepl/zrepl/daemon/snapper"
"github.com/zrepl/zrepl/endpoint"
"github.com/zrepl/zrepl/replication/logic/pdu"
"github.com/zrepl/zrepl/zfs"
)
type SnapJob struct {
name endpoint.JobID
name string
fsfilter zfs.DatasetFilter
snapper snapper.Snapper
snapper *snapper.PeriodicOrManual
prunerFactory *pruner.LocalPrunerFactory
promPruneSecs *prometheus.HistogramVec // labels: prune_side
prunerMtx sync.Mutex
pruner *pruner.Pruner
pruner *pruner.Pruner
}
func (j *SnapJob) Name() string { return j.name.String() }
func (j *SnapJob) Name() string { return j.name }
func (j *SnapJob) Type() Type { return TypeSnap }
@@ -44,23 +39,20 @@ func snapJobFromConfig(g *config.Global, in *config.SnapJob) (j *SnapJob, err er
j = &SnapJob{}
fsf, err := filters.DatasetMapFilterFromConfig(in.Filesystems)
if err != nil {
return nil, errors.Wrap(err, "cannot build filesystem filter")
return nil, errors.Wrap(err, "cannnot build filesystem filter")
}
j.fsfilter = fsf
if j.snapper, err = snapper.FromConfig(g, fsf, in.Snapshotting); err != nil {
return nil, errors.Wrap(err, "cannot build snapper")
}
j.name, err = endpoint.MakeJobID(in.Name)
if err != nil {
return nil, errors.Wrap(err, "invalid job name")
}
j.name = in.Name
j.promPruneSecs = prometheus.NewHistogramVec(prometheus.HistogramOpts{
Namespace: "zrepl",
Subsystem: "pruning",
Name: "time",
Help: "seconds spent in pruner",
ConstLabels: prometheus.Labels{"zrepl_job": j.name.String()},
ConstLabels: prometheus.Labels{"zrepl_job": j.name},
}, []string{"prune_side"})
j.prunerFactory, err = pruner.NewLocalPrunerFactory(in.Pruning, j.promPruneSecs)
if err != nil {
@@ -81,13 +73,10 @@ type SnapJobStatus struct {
func (j *SnapJob) Status() *Status {
s := &SnapJobStatus{}
t := j.Type()
j.prunerMtx.Lock()
if j.pruner != nil {
s.Pruning = j.pruner.Report()
}
j.prunerMtx.Unlock()
r := j.snapper.Report()
s.Snapshotting = &r
s.Snapshotting = j.snapper.Report()
return &Status{Type: t, JobSpecific: s}
}
@@ -95,21 +84,16 @@ func (j *SnapJob) OwnedDatasetSubtreeRoot() (rfs *zfs.DatasetPath, ok bool) {
return nil, false
}
func (j *SnapJob) SenderConfig() *endpoint.SenderConfig { return nil }
func (j *SnapJob) Run(ctx context.Context) {
ctx, endTask := trace.WithTaskAndSpan(ctx, "snap-job", j.Name())
defer endTask()
log := GetLogger(ctx)
ctx = logging.WithSubsystemLoggers(ctx, log)
defer log.Info("job exiting")
periodicDone := make(chan struct{})
ctx, cancel := context.WithCancel(ctx)
defer cancel()
periodicCtx, endTask := trace.WithTask(ctx, "snapshotting")
defer endTask()
go j.snapper.Run(periodicCtx, periodicDone)
go j.snapper.Run(ctx, periodicDone)
invocationCount := 0
outer:
@@ -124,10 +108,8 @@ outer:
case <-periodicDone:
}
invocationCount++
invocationCtx, endSpan := trace.WithSpan(ctx, fmt.Sprintf("invocation-%d", invocationCount))
j.doPrune(invocationCtx)
endSpan()
invLog := log.WithField("invocation", invocationCount)
j.doPrune(WithLogger(ctx, invLog))
}
}
@@ -138,7 +120,7 @@ outer:
// TODO:
// This is a work-around for the current package daemon/pruner
// and package pruning.Snapshot limitation: they require the
// `Replicated` getter method be present, but obviously,
// `Replicated` getter method be present, but obviously,
// a local job like SnapJob can't deliver on that.
// But the pruner.Pruner gives up on an FS if no replication
// cursor is present, which is why this pruner returns the
@@ -148,9 +130,12 @@ type alwaysUpToDateReplicationCursorHistory struct {
target pruner.Target
}
var _ pruner.Sender = (*alwaysUpToDateReplicationCursorHistory)(nil)
var _ pruner.History = (*alwaysUpToDateReplicationCursorHistory)(nil)
func (h alwaysUpToDateReplicationCursorHistory) ReplicationCursor(ctx context.Context, req *pdu.ReplicationCursorReq) (*pdu.ReplicationCursorRes, error) {
if req.GetGet() == nil {
return nil, fmt.Errorf("unsupported ReplicationCursor request: SnapJob only supports GETting a (faked) cursor")
}
fsvReq := &pdu.ListFilesystemVersionsReq{
Filesystem: req.GetFilesystem(),
}
@@ -175,21 +160,10 @@ func (h alwaysUpToDateReplicationCursorHistory) ListFilesystems(ctx context.Cont
}
func (j *SnapJob) doPrune(ctx context.Context) {
ctx, endSpan := trace.WithSpan(ctx, "snap-job-do-prune")
defer endSpan()
log := GetLogger(ctx)
sender := endpoint.NewSender(endpoint.SenderConfig{
JobID: j.name,
FSF: j.fsfilter,
// FIXME the following config fields are irrelevant for SnapJob
// because the endpoint is only used as pruner.Target.
// However, the implementation requires them to be set.
Encrypt: &nodefault.Bool{B: true},
BandwidthLimit: bandwidthlimit.NoLimitConfig(),
})
j.prunerMtx.Lock()
ctx = logging.WithSubsystemLoggers(ctx, log)
sender := endpoint.NewSender(j.fsfilter)
j.pruner = j.prunerFactory.BuildLocalPruner(ctx, sender, alwaysUpToDateReplicationCursorHistory{sender})
j.prunerMtx.Unlock()
log.Info("start pruning")
j.pruner.Prune()
log.Info("finished pruning")
@@ -10,10 +10,18 @@ import (
"github.com/mattn/go-isatty"
"github.com/pkg/errors"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/internal/daemon/logging/trace"
"github.com/zrepl/zrepl/internal/logger"
"github.com/zrepl/zrepl/internal/tlsconf"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/daemon/hooks"
"github.com/zrepl/zrepl/daemon/pruner"
"github.com/zrepl/zrepl/daemon/snapper"
"github.com/zrepl/zrepl/endpoint"
"github.com/zrepl/zrepl/logger"
"github.com/zrepl/zrepl/replication/driver"
"github.com/zrepl/zrepl/replication/logic"
"github.com/zrepl/zrepl/rpc"
"github.com/zrepl/zrepl/rpc/transportmux"
"github.com/zrepl/zrepl/tlsconf"
"github.com/zrepl/zrepl/transport"
)
func OutletsFromConfig(in config.LoggingOutletEnumList) (*logger.Outlets, error) {
@@ -61,10 +69,8 @@ func OutletsFromConfig(in config.LoggingOutletEnumList) (*logger.Outlets, error)
type Subsystem string
const (
SubsysMeta Subsystem = "meta"
SubsysJob Subsystem = "job"
SubsysReplication Subsystem = "repl"
SubsysEndpoint Subsystem = "endpoint"
SubsyEndpoint Subsystem = "endpoint"
SubsysPruning Subsystem = "pruning"
SubsysSnapshot Subsystem = "snapshot"
SubsysHooks Subsystem = "hook"
@@ -73,104 +79,29 @@ const (
SubsysRPC Subsystem = "rpc"
SubsysRPCControl Subsystem = "rpc.ctrl"
SubsysRPCData Subsystem = "rpc.data"
SubsysZFSCmd Subsystem = "zfs.cmd"
SubsysTraceData Subsystem = "trace.data"
SubsysPlatformtest Subsystem = "platformtest"
)
var AllSubsystems = []Subsystem{
SubsysMeta,
SubsysJob,
SubsysReplication,
SubsysEndpoint,
SubsysPruning,
SubsysSnapshot,
SubsysHooks,
SubsysTransport,
SubsysTransportMux,
SubsysRPC,
SubsysRPCControl,
SubsysRPCData,
SubsysZFSCmd,
SubsysTraceData,
SubsysPlatformtest,
func WithSubsystemLoggers(ctx context.Context, log logger.Logger) context.Context {
ctx = logic.WithLogger(ctx, log.WithField(SubsysField, SubsysReplication))
ctx = driver.WithLogger(ctx, log.WithField(SubsysField, SubsysReplication))
ctx = endpoint.WithLogger(ctx, log.WithField(SubsysField, SubsyEndpoint))
ctx = pruner.WithLogger(ctx, log.WithField(SubsysField, SubsysPruning))
ctx = snapper.WithLogger(ctx, log.WithField(SubsysField, SubsysSnapshot))
ctx = hooks.WithLogger(ctx, log.WithField(SubsysField, SubsysHooks))
ctx = transport.WithLogger(ctx, log.WithField(SubsysField, SubsysTransport))
ctx = transportmux.WithLogger(ctx, log.WithField(SubsysField, SubsysTransportMux))
ctx = rpc.WithLoggers(ctx,
rpc.Loggers{
General: log.WithField(SubsysField, SubsysRPC),
Control: log.WithField(SubsysField, SubsysRPCControl),
Data: log.WithField(SubsysField, SubsysRPCData),
},
)
return ctx
}
type injectedField struct {
field string
value interface{}
parent *injectedField
}
func WithInjectedField(ctx context.Context, field string, value interface{}) context.Context {
var parent *injectedField
parentI := ctx.Value(contextKeyInjectedField)
if parentI != nil {
parent = parentI.(*injectedField)
}
// TODO sanity-check `field` now
this := &injectedField{field, value, parent}
return context.WithValue(ctx, contextKeyInjectedField, this)
}
func iterInjectedFields(ctx context.Context, cb func(field string, value interface{})) {
injI := ctx.Value(contextKeyInjectedField)
if injI == nil {
return
}
inj := injI.(*injectedField)
for ; inj != nil; inj = inj.parent {
cb(inj.field, inj.value)
}
}
type SubsystemLoggers map[Subsystem]logger.Logger
func SubsystemLoggersWithUniversalLogger(l logger.Logger) SubsystemLoggers {
loggers := make(SubsystemLoggers)
for _, s := range AllSubsystems {
loggers[s] = l
}
return loggers
}
func WithLoggers(ctx context.Context, loggers SubsystemLoggers) context.Context {
return context.WithValue(ctx, contextKeyLoggers, loggers)
}
func GetLoggers(ctx context.Context) SubsystemLoggers {
loggers, ok := ctx.Value(contextKeyLoggers).(SubsystemLoggers)
if !ok {
return nil
}
return loggers
}
func GetLogger(ctx context.Context, subsys Subsystem) logger.Logger {
return getLoggerImpl(ctx, subsys, true)
}
func getLoggerImpl(ctx context.Context, subsys Subsystem, panicIfEnded bool) logger.Logger {
loggers, ok := ctx.Value(contextKeyLoggers).(SubsystemLoggers)
if !ok || loggers == nil {
return logger.NewNullLogger()
}
l, ok := loggers[subsys]
if !ok {
return logger.NewNullLogger()
}
l = l.WithField(SubsysField, subsys)
l = l.WithField(SpanField, trace.GetSpanStackOrDefault(ctx, *trace.StackKindId, "NOSPAN"))
fields := make(logger.Fields)
iterInjectedFields(ctx, func(field string, value interface{}) {
fields[field] = value
})
l = l.WithFields(fields)
return l
func LogSubsystem(log logger.Logger, subsys Subsystem) logger.Logger {
return log.ReplaceField(SubsysField, subsys)
}
func parseLogFormat(i interface{}) (f EntryFormatter, err error) {
@@ -10,7 +10,7 @@ import (
"github.com/go-logfmt/logfmt"
"github.com/pkg/errors"
"github.com/zrepl/zrepl/internal/logger"
"github.com/zrepl/zrepl/logger"
)
const (
@@ -22,7 +22,6 @@ const (
const (
JobField string = "job"
SubsysField string = "subsystem"
SpanField string = "span"
)
type MetadataFlags int64
@@ -86,7 +85,7 @@ func (f *HumanFormatter) Format(e *logger.Entry) (out []byte, err error) {
fmt.Fprintf(&line, "[%s]", col.Sprint(e.Level.Short()))
}
prefixFields := []string{JobField, SubsysField, SpanField}
prefixFields := []string{JobField, SubsysField}
prefixed := make(map[string]bool, len(prefixFields)+2)
for _, field := range prefixFields {
val, ok := e.Fields[field]
@@ -175,8 +174,8 @@ func (f *LogfmtFormatter) Format(e *logger.Entry) ([]byte, error) {
}
// at least try and put job and task in front
prefixed := make(map[string]bool, 3)
prefix := []string{JobField, SubsysField, SpanField}
prefixed := make(map[string]bool, 2)
prefix := []string{JobField, SubsysField}
for _, pf := range prefix {
v, ok := e.Fields[pf]
if !ok {
@@ -212,7 +211,7 @@ func logfmtTryEncodeKeyval(enc *logfmt.Encoder, field, value interface{}) error
case logfmt.ErrUnsupportedValueType:
err := enc.EncodeKeyval(field, fmt.Sprintf("<%T>", value))
if err != nil {
return errors.Wrap(err, "cannot encode unsupported value type Go type")
return errors.Wrap(err, "cannot encode unsuuported value type Go type")
}
return nil
}
@@ -11,7 +11,7 @@ import (
"github.com/pkg/errors"
"github.com/zrepl/zrepl/internal/logger"
"github.com/zrepl/zrepl/logger"
)
type EntryFormatter interface {
@@ -63,7 +63,7 @@ func NewTCPOutlet(formatter EntryFormatter, network, address string, tlsConfig *
return
}
entryChan := make(chan *bytes.Buffer, 1) // allow one message in flight while previous is in io.Copy()
entryChan := make(chan *bytes.Buffer, 1) // allow one message in flight while previos is in io.Copy()
o := &TCPOutlet{
formatter: formatter,
+16
View File
@@ -0,0 +1,16 @@
package daemon
import (
"github.com/zrepl/zrepl/cli"
"github.com/zrepl/zrepl/logger"
)
type Logger = logger.Logger
var DaemonCmd = &cli.Subcommand{
Use: "daemon",
Short: "run the zrepl daemon",
Run: func(subcommand *cli.Subcommand, args []string) error {
return Run(subcommand.Config())
},
}
+1 -7
View File
@@ -8,11 +8,7 @@ import (
"net"
"net/http/pprof"
"github.com/prometheus/client_golang/prometheus/promhttp"
"golang.org/x/net/websocket"
"github.com/zrepl/zrepl/internal/daemon/job"
"github.com/zrepl/zrepl/internal/daemon/logging/trace"
"github.com/zrepl/zrepl/daemon/job"
)
type pprofServer struct {
@@ -68,8 +64,6 @@ outer:
mux.Handle("/debug/pprof/profile", http.HandlerFunc(pprof.Profile))
mux.Handle("/debug/pprof/symbol", http.HandlerFunc(pprof.Symbol))
mux.Handle("/debug/pprof/trace", http.HandlerFunc(pprof.Trace))
mux.Handle("/metrics", promhttp.Handler())
mux.Handle("/debug/zrepl/activity-trace", websocket.Handler(trace.ChrometraceClientWebsocketHandler))
go func() {
err := http.Serve(s.listener, mux)
if ctx.Err() != nil {
@@ -8,26 +8,22 @@ import (
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promhttp"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/internal/daemon/job"
"github.com/zrepl/zrepl/internal/daemon/logging"
"github.com/zrepl/zrepl/internal/endpoint"
"github.com/zrepl/zrepl/internal/logger"
"github.com/zrepl/zrepl/internal/rpc/dataconn/frameconn"
"github.com/zrepl/zrepl/internal/util/tcpsock"
"github.com/zrepl/zrepl/internal/zfs"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/daemon/job"
"github.com/zrepl/zrepl/logger"
"github.com/zrepl/zrepl/rpc/dataconn/frameconn"
"github.com/zrepl/zrepl/zfs"
)
type prometheusJob struct {
listen string
freeBind bool
listen string
}
func newPrometheusJobFromConfig(in *config.PrometheusMonitoring) (*prometheusJob, error) {
if _, _, err := net.SplitHostPort(in.Listen); err != nil {
return nil, err
}
return &prometheusJob{in.Listen, in.ListenFreeBind}, nil
return &prometheusJob{in.Listen}, nil
}
var prom struct {
@@ -50,8 +46,6 @@ func (j *prometheusJob) Status() *job.Status { return &job.Status{Type: job.Type
func (j *prometheusJob) OwnedDatasetSubtreeRoot() (p *zfs.DatasetPath, ok bool) { return nil, false }
func (j *prometheusJob) SenderConfig() *endpoint.SenderConfig { return nil }
func (j *prometheusJob) RegisterMetrics(registerer prometheus.Registerer) {}
func (j *prometheusJob) Run(ctx context.Context) {
@@ -66,10 +60,9 @@ func (j *prometheusJob) Run(ctx context.Context) {
log := job.GetLogger(ctx)
l, err := tcpsock.Listen(j.listen, j.freeBind)
l, err := net.Listen("tcp", j.listen)
if err != nil {
log.WithError(err).Error("cannot listen")
return
}
go func() {
<-ctx.Done()
@@ -87,19 +80,16 @@ func (j *prometheusJob) Run(ctx context.Context) {
}
type prometheusJobOutlet struct {
jobName string
}
var _ logger.Outlet = prometheusJobOutlet{}
func newPrometheusLogOutlet() prometheusJobOutlet {
return prometheusJobOutlet{}
func newPrometheusLogOutlet(jobName string) prometheusJobOutlet {
return prometheusJobOutlet{jobName}
}
func (o prometheusJobOutlet) WriteEntry(entry logger.Entry) error {
jobFieldVal, ok := entry.Fields[logging.JobField].(string)
if !ok {
jobFieldVal = "_nojobid"
}
prom.taskLogEntries.WithLabelValues(jobFieldVal, entry.Level.String()).Inc()
prom.taskLogEntries.WithLabelValues(o.jobName, entry.Level.String()).Inc()
return nil
}
@@ -11,29 +11,20 @@ import (
"github.com/pkg/errors"
"github.com/prometheus/client_golang/prometheus"
"github.com/zrepl/zrepl/internal/config"
"github.com/zrepl/zrepl/internal/daemon/logging"
"github.com/zrepl/zrepl/internal/logger"
"github.com/zrepl/zrepl/internal/pruning"
"github.com/zrepl/zrepl/internal/replication/logic/pdu"
"github.com/zrepl/zrepl/internal/util/envconst"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/logger"
"github.com/zrepl/zrepl/pruning"
"github.com/zrepl/zrepl/replication/logic/pdu"
"github.com/zrepl/zrepl/util/envconst"
)
// The sender in the replication setup.
// The pruner uses the Sender to determine which of the Target's filesystems need to be pruned.
// Also, it asks the Sender about the replication cursor of each filesystem
// to enable the 'not_replicated' pruning rule.
//
// Try to keep it compatible with github.com/zrepl/zrepl/endpoint.Endpoint
type Sender interface {
// Try to keep it compatible with gitub.com/zrepl/zrepl/endpoint.Endpoint
type History interface {
ReplicationCursor(ctx context.Context, req *pdu.ReplicationCursorReq) (*pdu.ReplicationCursorRes, error)
ListFilesystems(ctx context.Context, req *pdu.ListFilesystemReq) (*pdu.ListFilesystemRes, error)
}
// The pruning target, i.e., on which snapshots are destroyed.
// This can be a replication sender or receiver.
//
// Try to keep it compatible with github.com/zrepl/zrepl/endpoint.Endpoint
// Try to keep it compatible with gitub.com/zrepl/zrepl/endpoint.Endpoint
type Target interface {
ListFilesystems(ctx context.Context, req *pdu.ListFilesystemReq) (*pdu.ListFilesystemRes, error)
ListFilesystemVersions(ctx context.Context, req *pdu.ListFilesystemVersionsReq) (*pdu.ListFilesystemVersionsRes, error)
@@ -44,19 +35,23 @@ type Logger = logger.Logger
type contextKey int
const (
contextKeyPruneSide contextKey = 1 + iota
)
const contextKeyLogger contextKey = 0
func WithLogger(ctx context.Context, log Logger) context.Context {
return context.WithValue(ctx, contextKeyLogger, log)
}
func GetLogger(ctx context.Context) Logger {
pruneSide := ctx.Value(contextKeyPruneSide).(string)
return logging.GetLogger(ctx, logging.SubsysPruning).WithField("prune_side", pruneSide)
if l, ok := ctx.Value(contextKeyLogger).(Logger); ok {
return l
}
return logger.NewNullLogger()
}
type args struct {
ctx context.Context
target Target
sender Sender
receiver History
rules []pruning.KeepRule
retryWait time.Duration
considerSnapAtCursorReplicated bool
@@ -140,12 +135,12 @@ func NewPrunerFactory(in config.PruningSenderReceiver, promPruneSecs *prometheus
return f, nil
}
func (f *PrunerFactory) BuildSenderPruner(ctx context.Context, target Target, sender Sender) *Pruner {
func (f *PrunerFactory) BuildSenderPruner(ctx context.Context, target Target, receiver History) *Pruner {
p := &Pruner{
args: args{
context.WithValue(ctx, contextKeyPruneSide, "sender"),
WithLogger(ctx, GetLogger(ctx).WithField("prune_side", "sender")),
target,
sender,
receiver,
f.senderRules,
f.retryWait,
f.considerSnapAtCursorReplicated,
@@ -156,12 +151,12 @@ func (f *PrunerFactory) BuildSenderPruner(ctx context.Context, target Target, se
return p
}
func (f *PrunerFactory) BuildReceiverPruner(ctx context.Context, target Target, sender Sender) *Pruner {
func (f *PrunerFactory) BuildReceiverPruner(ctx context.Context, target Target, receiver History) *Pruner {
p := &Pruner{
args: args{
context.WithValue(ctx, contextKeyPruneSide, "receiver"),
WithLogger(ctx, GetLogger(ctx).WithField("prune_side", "receiver")),
target,
sender,
receiver,
f.receiverRules,
f.retryWait,
false, // senseless here anyways
@@ -172,12 +167,12 @@ func (f *PrunerFactory) BuildReceiverPruner(ctx context.Context, target Target,
return p
}
func (f *LocalPrunerFactory) BuildLocalPruner(ctx context.Context, target Target, history Sender) *Pruner {
func (f *LocalPrunerFactory) BuildLocalPruner(ctx context.Context, target Target, receiver History) *Pruner {
p := &Pruner{
args: args{
context.WithValue(ctx, contextKeyPruneSide, "local"),
ctx,
target,
history,
receiver,
f.keepRules,
f.retryWait,
false, // considerSnapAtCursorReplicated is not relevant for local pruning
@@ -199,16 +194,6 @@ const (
Done
)
// Returns true in case the State is a terminal state(PlanErr, ExecErr, Done)
func (s State) IsTerminal() bool {
switch s {
case PlanErr, ExecErr, Done:
return true
default:
return false
}
}
type updater func(func(*Pruner))
func (p *Pruner) Prune() {
@@ -361,9 +346,9 @@ func (s snapshot) Date() time.Time { return s.date }
func doOneAttempt(a *args, u updater) {
ctx, target, sender := a.ctx, a.target, a.sender
ctx, target, receiver := a.ctx, a.target, a.receiver
sfssres, err := sender.ListFilesystems(ctx, &pdu.ListFilesystemReq{})
sfssres, err := receiver.ListFilesystems(ctx, &pdu.ListFilesystemReq{})
if err != nil {
u(func(p *Pruner) {
p.state = PlanErr
@@ -427,8 +412,11 @@ tfss_loop:
rcReq := &pdu.ReplicationCursorReq{
Filesystem: tfs.Path,
Op: &pdu.ReplicationCursorReq_Get{
Get: &pdu.ReplicationCursorReq_GetOp{},
},
}
rc, err := sender.ReplicationCursor(ctx, rcReq)
rc, err := receiver.ReplicationCursor(ctx, rcReq)
if err != nil {
pfsPlanErrAndLog(err, "cannot get replication cursor bookmark")
continue tfss_loop
@@ -474,7 +462,7 @@ tfss_loop:
})
}
if preCursor {
pfsPlanErrAndLog(fmt.Errorf("prune target has no snapshot that corresponds to sender replication cursor bookmark"), "")
pfsPlanErrAndLog(fmt.Errorf("replication cursor not found in prune target filesystem versions"), "")
continue tfss_loop
}
@@ -1,5 +1,6 @@
// Code generated by "enumer -type=State"; DO NOT EDIT.
//
package pruner
import (
+465
View File
@@ -0,0 +1,465 @@
package snapper
import (
"context"
"fmt"
"sort"
"sync"
"time"
"github.com/pkg/errors"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/daemon/filters"
"github.com/zrepl/zrepl/daemon/hooks"
"github.com/zrepl/zrepl/logger"
"github.com/zrepl/zrepl/zfs"
)
//go:generate stringer -type=SnapState
type SnapState uint
const (
SnapPending SnapState = 1 << iota
SnapStarted
SnapDone
SnapError
)
// All fields protected by Snapper.mtx
type snapProgress struct {
state SnapState
// SnapStarted, SnapDone, SnapError
name string
startAt time.Time
hookPlan *hooks.Plan
// SnapDone
doneAt time.Time
// SnapErr TODO disambiguate state
runResults hooks.PlanReport
}
type args struct {
ctx context.Context
log Logger
prefix string
interval time.Duration
fsf *filters.DatasetMapFilter
snapshotsTaken chan<- struct{}
hooks *hooks.List
dryRun bool
}
type Snapper struct {
args args
mtx sync.Mutex
state State
// set in state Plan, used in Waiting
lastInvocation time.Time
// valid for state Snapshotting
plan map[*zfs.DatasetPath]*snapProgress
// valid for state SyncUp and Waiting
sleepUntil time.Time
// valid for state Err
err error
}
//go:generate stringer -type=State
type State uint
const (
SyncUp State = 1 << iota
SyncUpErrWait
Planning
Snapshotting
Waiting
ErrorWait
Stopped
)
func (s State) sf() state {
m := map[State]state{
SyncUp: syncUp,
SyncUpErrWait: wait,
Planning: plan,
Snapshotting: snapshot,
Waiting: wait,
ErrorWait: wait,
Stopped: nil,
}
return m[s]
}
type updater func(u func(*Snapper)) State
type state func(a args, u updater) state
type contextKey int
const (
contextKeyLog contextKey = 0
)
type Logger = logger.Logger
func WithLogger(ctx context.Context, log Logger) context.Context {
return context.WithValue(ctx, contextKeyLog, log)
}
func getLogger(ctx context.Context) Logger {
if log, ok := ctx.Value(contextKeyLog).(Logger); ok {
return log
}
return logger.NewNullLogger()
}
func PeriodicFromConfig(g *config.Global, fsf *filters.DatasetMapFilter, in *config.SnapshottingPeriodic) (*Snapper, error) {
if in.Prefix == "" {
return nil, errors.New("prefix must not be empty")
}
if in.Interval <= 0 {
return nil, errors.New("interval must be positive")
}
hookList, err := hooks.ListFromConfig(&in.Hooks)
if err != nil {
return nil, errors.Wrap(err, "hook config error")
}
args := args{
prefix: in.Prefix,
interval: in.Interval,
fsf: fsf,
hooks: hookList,
// ctx and log is set in Run()
}
return &Snapper{state: SyncUp, args: args}, nil
}
func (s *Snapper) Run(ctx context.Context, snapshotsTaken chan<- struct{}) {
getLogger(ctx).Debug("start")
defer getLogger(ctx).Debug("stop")
s.args.snapshotsTaken = snapshotsTaken
s.args.ctx = ctx
s.args.log = getLogger(ctx)
s.args.dryRun = false // for future expansion
u := func(u func(*Snapper)) State {
s.mtx.Lock()
defer s.mtx.Unlock()
if u != nil {
u(s)
}
return s.state
}
var st state = syncUp
for st != nil {
pre := u(nil)
st = st(s.args, u)
post := u(nil)
getLogger(ctx).
WithField("transition", fmt.Sprintf("%s=>%s", pre, post)).
Debug("state transition")
}
}
func onErr(err error, u updater) state {
return u(func(s *Snapper) {
s.err = err
preState := s.state
switch s.state {
case SyncUp:
s.state = SyncUpErrWait
case Planning:
fallthrough
case Snapshotting:
s.state = ErrorWait
}
s.args.log.WithError(err).WithField("pre_state", preState).WithField("post_state", s.state).Error("snapshotting error")
}).sf()
}
func onMainCtxDone(ctx context.Context, u updater) state {
return u(func(s *Snapper) {
s.err = ctx.Err()
s.state = Stopped
}).sf()
}
func syncUp(a args, u updater) state {
u(func(snapper *Snapper) {
snapper.lastInvocation = time.Now()
})
fss, err := listFSes(a.ctx, a.fsf)
if err != nil {
return onErr(err, u)
}
syncPoint, err := findSyncPoint(a.log, fss, a.prefix, a.interval)
if err != nil {
return onErr(err, u)
}
u(func(s *Snapper) {
s.sleepUntil = syncPoint
})
t := time.NewTimer(time.Until(syncPoint))
defer t.Stop()
select {
case <-t.C:
return u(func(s *Snapper) {
s.state = Planning
}).sf()
case <-a.ctx.Done():
return onMainCtxDone(a.ctx, u)
}
}
func plan(a args, u updater) state {
u(func(snapper *Snapper) {
snapper.lastInvocation = time.Now()
})
fss, err := listFSes(a.ctx, a.fsf)
if err != nil {
return onErr(err, u)
}
plan := make(map[*zfs.DatasetPath]*snapProgress, len(fss))
for _, fs := range fss {
plan[fs] = &snapProgress{state: SnapPending}
}
return u(func(s *Snapper) {
s.state = Snapshotting
s.plan = plan
s.err = nil
}).sf()
}
func snapshot(a args, u updater) state {
var plan map[*zfs.DatasetPath]*snapProgress
u(func(snapper *Snapper) {
plan = snapper.plan
})
hookMatchCount := make(map[hooks.Hook]int, len(*a.hooks))
for _, h := range *a.hooks {
hookMatchCount[h] = 0
}
anyFsHadErr := false
// TODO channel programs -> allow a little jitter?
for fs, progress := range plan {
suffix := time.Now().In(time.UTC).Format("20060102_150405_000")
snapname := fmt.Sprintf("%s%s", a.prefix, suffix)
l := a.log.
WithField("fs", fs.ToString()).
WithField("snap", snapname)
hookEnvExtra := hooks.Env{
hooks.EnvFS: fs.ToString(),
hooks.EnvSnapshot: snapname,
}
jobCallback := hooks.NewCallbackHookForFilesystem("snapshot", fs, func(_ context.Context) (err error) {
l.Debug("create snapshot")
err = zfs.ZFSSnapshot(fs, snapname, false) // TODO propagagte context to ZFSSnapshot
if err != nil {
l.WithError(err).Error("cannot create snapshot")
}
return
})
fsHadErr := false
var planReport hooks.PlanReport
var plan *hooks.Plan
{
filteredHooks, err := a.hooks.CopyFilteredForFilesystem(fs)
if err != nil {
l.WithError(err).Error("unexpected filter error")
fsHadErr = true
goto updateFSState
}
// account for running hooks
for _, h := range filteredHooks {
hookMatchCount[h] = hookMatchCount[h] + 1
}
var planErr error
plan, planErr = hooks.NewPlan(&filteredHooks, hooks.PhaseSnapshot, jobCallback, hookEnvExtra)
if planErr != nil {
fsHadErr = true
l.WithError(planErr).Error("cannot create job hook plan")
goto updateFSState
}
}
u(func(snapper *Snapper) {
progress.name = snapname
progress.startAt = time.Now()
progress.hookPlan = plan
progress.state = SnapStarted
})
{
l := hooks.GetLogger(a.ctx).WithField("fs", fs.ToString()).WithField("snap", snapname)
l.WithField("report", plan.Report().String()).Debug("begin run job plan")
plan.Run(hooks.WithLogger(a.ctx, l), a.dryRun)
planReport = plan.Report()
fsHadErr = planReport.HadError() // not just fatal errors
if fsHadErr {
l.WithField("report", planReport.String()).Error("end run job plan with error")
} else {
l.WithField("report", planReport.String()).Info("end run job plan successful")
}
}
updateFSState:
anyFsHadErr = anyFsHadErr || fsHadErr
u(func(snapper *Snapper) {
progress.doneAt = time.Now()
progress.state = SnapDone
if fsHadErr {
progress.state = SnapError
}
progress.runResults = planReport
})
}
select {
case a.snapshotsTaken <- struct{}{}:
default:
if a.snapshotsTaken != nil {
a.log.Warn("callback channel is full, discarding snapshot update event")
}
}
for h, mc := range hookMatchCount {
if mc == 0 {
hookIdx := -1
for idx, ah := range *a.hooks {
if ah == h {
hookIdx = idx
break
}
}
a.log.WithField("hook", h.String()).WithField("hook_number", hookIdx+1).Warn("hook did not match any snapshotted filesystems")
}
}
return u(func(snapper *Snapper) {
if anyFsHadErr {
snapper.state = ErrorWait
snapper.err = errors.New("one or more snapshots could not be created, check logs for details")
} else {
snapper.state = Waiting
snapper.err = nil
}
}).sf()
}
func wait(a args, u updater) state {
var sleepUntil time.Time
u(func(snapper *Snapper) {
lastTick := snapper.lastInvocation
snapper.sleepUntil = lastTick.Add(a.interval)
sleepUntil = snapper.sleepUntil
log := a.log.WithField("sleep_until", sleepUntil).WithField("duration", a.interval)
logFunc := log.Debug
if snapper.state == ErrorWait || snapper.state == SyncUpErrWait {
logFunc = log.Error
}
logFunc("enter wait-state after error")
})
t := time.NewTimer(time.Until(sleepUntil))
defer t.Stop()
select {
case <-t.C:
return u(func(snapper *Snapper) {
snapper.state = Planning
}).sf()
case <-a.ctx.Done():
return onMainCtxDone(a.ctx, u)
}
}
func listFSes(ctx context.Context, mf *filters.DatasetMapFilter) (fss []*zfs.DatasetPath, err error) {
return zfs.ZFSListMapping(ctx, mf)
}
func findSyncPoint(log Logger, fss []*zfs.DatasetPath, prefix string, interval time.Duration) (syncPoint time.Time, err error) {
type snapTime struct {
ds *zfs.DatasetPath
time time.Time
}
if len(fss) == 0 {
return time.Now(), nil
}
snaptimes := make([]snapTime, 0, len(fss))
now := time.Now()
log.Debug("examine filesystem state")
for _, d := range fss {
l := log.WithField("fs", d.ToString())
fsvs, err := zfs.ZFSListFilesystemVersions(d, filters.NewTypedPrefixFilter(prefix, zfs.Snapshot))
if err != nil {
l.WithError(err).Error("cannot list filesystem versions")
continue
}
if len(fsvs) <= 0 {
l.WithField("prefix", prefix).Debug("no filesystem versions with prefix")
continue
}
// Sort versions by creation
sort.SliceStable(fsvs, func(i, j int) bool {
return fsvs[i].CreateTXG < fsvs[j].CreateTXG
})
latest := fsvs[len(fsvs)-1]
l.WithField("creation", latest.Creation).
Debug("found latest snapshot")
since := now.Sub(latest.Creation)
if since < 0 {
l.WithField("snapshot", latest.Name).
WithField("creation", latest.Creation).
Error("snapshot is from the future")
continue
}
next := now
if since < interval {
next = latest.Creation.Add(interval)
}
snaptimes = append(snaptimes, snapTime{d, next})
}
if len(snaptimes) == 0 {
snaptimes = append(snaptimes, snapTime{nil, now})
}
sort.Slice(snaptimes, func(i, j int) bool {
return snaptimes[i].time.Before(snaptimes[j].time)
})
return snaptimes[0].time, nil
}
+48
View File
@@ -0,0 +1,48 @@
package snapper
import (
"context"
"fmt"
"github.com/zrepl/zrepl/config"
"github.com/zrepl/zrepl/daemon/filters"
)
// FIXME: properly abstract snapshotting:
// - split up things that trigger snapshotting from the mechanism
// - timer-based trigger (periodic)
// - call from control socket (manual)
// - mixed modes?
// - support a `zrepl snapshot JOBNAME` subcommand for config.SnapshottingManual
type PeriodicOrManual struct {
s *Snapper
}
func (s *PeriodicOrManual) Run(ctx context.Context, wakeUpCommon chan<- struct{}) {
if s.s != nil {
s.s.Run(ctx, wakeUpCommon)
}
}
// Returns nil if manual
func (s *PeriodicOrManual) Report() *Report {
if s.s != nil {
return s.s.Report()
}
return nil
}
func FromConfig(g *config.Global, fsf *filters.DatasetMapFilter, in config.SnapshottingEnum) (*PeriodicOrManual, error) {
switch v := in.Ret.(type) {
case *config.SnapshottingPeriodic:
snapper, err := PeriodicFromConfig(g, fsf, v)
if err != nil {
return nil, err
}
return &PeriodicOrManual{snapper}, nil
case *config.SnapshottingManual:
return &PeriodicOrManual{}, nil
default:
return nil, fmt.Errorf("unknown snapshotting type %T", v)
}
}
+118
View File
@@ -0,0 +1,118 @@
package snapper
import (
"fmt"
"sort"
"strings"
"time"
"github.com/zrepl/zrepl/daemon/hooks"
)
type Report struct {
State State
// valid in state SyncUp and Waiting
SleepUntil time.Time
// valid in state Err
Error string
// valid in state Snapshotting
Progress []*ReportFilesystem
}
type ReportFilesystem struct {
Path string
State SnapState
// Valid in SnapStarted and later
SnapName string
StartAt time.Time
Hooks string
HooksHadError bool
// Valid in SnapDone | SnapError
DoneAt time.Time
}
func errOrEmptyString(e error) string {
if e != nil {
return e.Error()
}
return ""
}
func (s *Snapper) Report() *Report {
s.mtx.Lock()
defer s.mtx.Unlock()
pReps := make([]*ReportFilesystem, 0, len(s.plan))
for fs, p := range s.plan {
var hooksStr string
var hooksHadError bool
if p.hookPlan != nil {
hr := p.hookPlan.Report()
// FIXME: technically this belongs into client
// but we can't serialize hooks.Step ATM
rightPad := func(str string, length int, pad string) string {
if len(str) > length {
return str[:length]
}
return str + strings.Repeat(pad, length-len(str))
}
hooksHadError = hr.HadError()
rows := make([][]string, len(hr))
const numCols = 4
lens := make([]int, numCols)
for i, e := range hr {
rows[i] = make([]string, numCols)
rows[i][0] = fmt.Sprintf("%d", i+1)
rows[i][1] = e.Status.String()
runTime := "..."
if e.Status != hooks.StepPending {
runTime = e.End.Sub(e.Begin).Round(time.Millisecond).String()
}
rows[i][2] = runTime
rows[i][3] = ""
if e.Report != nil {
rows[i][3] = e.Report.String()
}
for j, col := range lens {
if len(rows[i][j]) > col {
lens[j] = len(rows[i][j])
}
}
}
rowsFlat := make([]string, len(hr))
for i, r := range rows {
colsPadded := make([]string, len(r))
for j, c := range r[:len(r)-1] {
colsPadded[j] = rightPad(c, lens[j], " ")
}
colsPadded[len(r)-1] = r[len(r)-1]
rowsFlat[i] = strings.Join(colsPadded, " ")
}
hooksStr = strings.Join(rowsFlat, "\n")
}
pReps = append(pReps, &ReportFilesystem{
Path: fs.ToString(),
State: p.state,
SnapName: p.name,
StartAt: p.startAt,
DoneAt: p.doneAt,
Hooks: hooksStr,
HooksHadError: hooksHadError,
})
}
sort.Slice(pReps, func(i, j int) bool {
return strings.Compare(pReps[i].Path, pReps[j].Path) == -1
})
r := &Report{
State: s.state,
SleepUntil: s.sleepUntil,
Error: errOrEmptyString(s.err),
Progress: pReps,
}
return r
}
-1
View File
@@ -1 +0,0 @@
packaging/deb/debian
+595
View File
@@ -0,0 +1,595 @@
{
"annotations": {
"list": [
{
"$$hashKey": "object:3351",
"builtIn": 1,
"datasource": "-- Grafana --",
"enable": true,
"hide": true,
"iconColor": "rgba(0, 211, 255, 1)",
"name": "Annotations & Alerts",
"type": "dashboard"
}
]
},
"editable": true,
"gnetId": null,
"graphTooltip": 1,
"id": 7,
"iteration": 1552746418826,
"links": [],
"panels": [
{
"content": "# zrepl Prometheus Metrics\n\nzrepl exposes Prometheus metrics and ships with this Grafana dashboard.\nThe exported metrics are suitable for health checks:\n\n* The log should generally be warning & error-free\n * The `Log Messages that require attention` graph visualizes log message counts indicating problems.\n* The number of goroutines should not grow unboundedly over time.\n * During replication, the number of goroutines can be way higher than during idle time.\n * If the goroutine count grows with each replication, there is clearly a goroutine leak. Please open a bug report.\n* The sys memory consumption should not grow unboundedly over time.\n * Note that the Go runtime pre-allocates some of its heap from the OS.\n * zrepl actually uses much less memory than allocated from the OS.\n * Since Go 1.11, Go pre-allocates more aggressively.\n* Monitor that some data is replicated, although that metric does not guarantee that replication was successful.\n\n**In general, note that the exported metrics are not stable unless declared otherwise.**",
"gridPos": {
"h": 9,
"w": 24,
"x": 0,
"y": 0
},
"id": 35,
"mode": "markdown",
"title": "Panel Title",
"type": "text"
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": null,
"fill": 1,
"gridPos": {
"h": 9,
"w": 12,
"x": 0,
"y": 9
},
"id": 15,
"legend": {
"avg": false,
"current": false,
"max": false,
"min": false,
"show": true,
"total": false,
"values": false
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": true,
"steppedLine": false,
"targets": [
{
"$$hashKey": "object:3436",
"expr": "up{job='$prom_job_name'}",
"format": "time_series",
"intervalFactor": 1,
"refId": "A"
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "zrepl Instances Up",
"tooltip": {
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "short",
"label": null,
"logBase": 1,
"max": "5",
"min": "0",
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
]
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": null,
"fill": 1,
"gridPos": {
"h": 9,
"w": 12,
"x": 12,
"y": 9
},
"id": 22,
"legend": {
"avg": false,
"current": false,
"max": false,
"min": false,
"show": true,
"total": false,
"values": false
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"expr": "increase(zrepl_daemon_log_entries{job='$prom_job_name',level=~'warn|error'}[$__interval])",
"format": "time_series",
"intervalFactor": 1,
"refId": "A"
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Log Messages that require attention",
"tooltip": {
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": "0",
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
]
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": null,
"fill": 1,
"gridPos": {
"h": 9,
"w": 12,
"x": 0,
"y": 18
},
"id": 33,
"legend": {
"avg": false,
"current": false,
"max": false,
"min": false,
"show": true,
"total": false,
"values": false
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [
{
"alias": "/replicated bytes in last.*/",
"yaxis": 2
}
],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"expr": "sum(rate(zrepl_replication_bytes_replicated{job='$prom_job_name'}[$__interval])) by (zrepl_job)",
"format": "time_series",
"hide": false,
"interval": "",
"intervalFactor": 1,
"legendFormat": "replication data rate zrepl_job={{zrepl_job}}",
"refId": "A"
},
{
"expr": "sum(increase(zrepl_replication_bytes_replicated{job='$prom_job_name'}[10m])) by (zrepl_job)",
"format": "time_series",
"hide": false,
"interval": "",
"intervalFactor": 1,
"legendFormat": "replicated bytes in last 10min zrepl_job={{zrepl_job}}",
"refId": "B"
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Replication Data Rate and Volume(integrates last 10min)",
"tooltip": {
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "Bps",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
},
{
"format": "bytes",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
]
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": null,
"fill": 1,
"gridPos": {
"h": 9,
"w": 12,
"x": 12,
"y": 18
},
"id": 23,
"legend": {
"avg": false,
"current": false,
"max": false,
"min": false,
"show": true,
"total": false,
"values": false
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"expr": "sum(increase(zrepl_daemon_log_entries{job='$prom_job_name',zrepl_job=~\"^[^_].*\"}[$__interval])) by (instance,zrepl_job)",
"format": "time_series",
"intervalFactor": 1,
"refId": "A"
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Log Activity (without internal jobs)",
"tooltip": {
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": "0",
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
]
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": null,
"fill": 1,
"gridPos": {
"h": 9,
"w": 12,
"x": 0,
"y": 27
},
"id": 17,
"legend": {
"avg": false,
"current": false,
"max": false,
"min": false,
"show": true,
"total": false,
"values": false
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"$$hashKey": "object:3535",
"expr": "go_memstats_sys_bytes{job='$prom_job_name'}",
"format": "time_series",
"hide": false,
"intervalFactor": 1,
"refId": "A"
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "Memory Allocated by the Go runtime from the OS (should not grow unboundedly)",
"tooltip": {
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "bytes",
"label": null,
"logBase": 1,
"max": null,
"min": "0",
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
]
},
{
"aliasColors": {},
"bars": false,
"dashLength": 10,
"dashes": false,
"datasource": null,
"fill": 1,
"gridPos": {
"h": 9,
"w": 12,
"x": 12,
"y": 27
},
"id": 19,
"legend": {
"avg": false,
"current": false,
"max": false,
"min": false,
"show": true,
"total": false,
"values": false
},
"lines": true,
"linewidth": 1,
"links": [],
"nullPointMode": "null",
"percentage": false,
"pointradius": 5,
"points": false,
"renderer": "flot",
"seriesOverrides": [],
"spaceLength": 10,
"stack": false,
"steppedLine": false,
"targets": [
{
"expr": "go_goroutines{job='$prom_job_name'}",
"format": "time_series",
"intervalFactor": 1,
"refId": "A"
}
],
"thresholds": [],
"timeFrom": null,
"timeShift": null,
"title": "number of goroutines (should not grow unboundedly)",
"tooltip": {
"shared": true,
"sort": 0,
"value_type": "individual"
},
"type": "graph",
"xaxis": {
"buckets": null,
"mode": "time",
"name": null,
"show": true,
"values": []
},
"yaxes": [
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": "0",
"show": true
},
{
"format": "short",
"label": null,
"logBase": 1,
"max": null,
"min": null,
"show": true
}
]
}
],
"refresh": "1m",
"schemaVersion": 16,
"style": "dark",
"tags": [],
"templating": {
"list": [
{
"allValue": null,
"current": {
"text": "zrepl",
"value": "zrepl"
},
"datasource": "prometheus",
"hide": 0,
"includeAll": false,
"label": "Prometheus Job Name",
"multi": false,
"name": "prom_job_name",
"options": [],
"query": "label_values(up, job)",
"refresh": 1,
"regex": "",
"sort": 1,
"tagValuesQuery": "",
"tags": [],
"tagsQuery": "",
"type": "query",
"useTags": false
}
]
},
"time": {
"from": "now-2d",
"to": "now"
},
"timepicker": {
"refresh_intervals": [
"5s",
"10s",
"30s",
"1m",
"5m",
"15m",
"30m",
"1h",
"2h",
"1d"
],
"time_options": [
"5m",
"15m",
"1h",
"6h",
"12h",
"24h",
"2d",
"7d",
"30d"
]
},
"timezone": "",
"title": "zrepl 0.1",
"uid": "xTljn4qmk",
"version": 6
}
File diff suppressed because it is too large Load Diff
-23
View File
@@ -1,23 +0,0 @@
#!/sbin/openrc-run
command='/usr/local/bin/zrepl'
command_args='daemon'
command_background='true'
pidfile="/run/${RC_SVCNAME}.pid"
output_log="/var/log/${RC_SVCNAME}.log"
error_log="/var/log/${RC_SVCNAME}.log"
zrepl_runtime_dir='/var/run/zrepl'
start() {
mkdir -p "$zrepl_runtime_dir/stdinserver"
chmod -R 0700 "$zrepl_runtime_dir"
default_start
}
stop() {
rm -rf "$zrepl_runtime_dir"
default_stop
}
# vi: noet sw=8 sts=0
+29 -4
View File
@@ -4,13 +4,38 @@ Documentation=https://zrepl.github.io
[Service]
Type=simple
ExecStartPre=/usr/local/bin/zrepl --config /etc/zrepl/zrepl.yml configcheck
ExecStart=/usr/local/bin/zrepl --config /etc/zrepl/zrepl.yml daemon
RuntimeDirectory=zrepl zrepl/stdinserver
RuntimeDirectory=zrepl
RuntimeDirectoryMode=0700
# Make Go produce coredumps
Environment=GOTRACEBACK='crash'
ProtectSystem=strict
#PrivateDevices=yes # TODO ZFS needs access to /dev/zfs, could we limit this?
ProtectKernelTunables=yes
ProtectControlGroups=yes
PrivateTmp=yes
#PrivateUsers=yes # TODO Does not work, why?
ProtectKernelModules=true
RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
RestrictNamespaces=true
RestrictRealtime=yes
SystemCallArchitectures=native
# BEGIN ProtectHome
ProtectHome=read-only # DEBIAN STRETCH
# ProtectHome=tmpfs # FEDORA 28 / 29
# END ProtectHome
# BEGIN SystemCallFilter
## BEGIN DEBIAN STRETCH
SystemCallFilter=~ @mount @cpu-emulation @keyring @module @obsolete @privileged @raw-io @debug @clock @resources
## END DEBIAN STRETCH
## BEGIN FEDORA 28/29
## Syscall blacklist (should be fairly stable)
#SystemCallFilter=~ @mount @aio @cpu-emulation @keyring @memlock @module @obsolete @privileged @raw-io @reboot @setuid @swap @sync @timer @debug @clock @chown @resources
## Syscall whitelist (not sure how stable)
#SystemCallFilter=@default @file-system @process @basic-io @ipc @network-io @signal @io-event brk mprotect sched_getaffinity ioctl getrandom
## END END FEDORA 28/29
# END SystemCallFilter
[Install]
WantedBy=multi-user.target
+2 -2
View File
@@ -10,11 +10,11 @@ BUILDDIR = _build
# Put it first so that "make" without argument is like "make help".
help:
@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
@$(SPHINXBUILD) -M help "$(SOURCEDIR)" "$(BUILDDIR)" -c sphinxconf $(SPHINXOPTS) $(O)
.PHONY: help Makefile
# Catch-all target: route all unknown targets to Sphinx using the new
# "make mode" option. $(O) is meant as a shortcut for $(SPHINXOPTS).
%: Makefile
@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
@$(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" -c sphinxconf $(SPHINXOPTS) $(O)
-43
View File
@@ -1,43 +0,0 @@
/* https://github.com/sphinx-contrib/sphinxcontrib-versioning/blob/0b56210959c6b21bbb730072e81876491b4e1371/sphinxcontrib/versioning/_static/banner.css */
.scv-banner {
padding: 3px;
border-radius: 2px;
font-size: 80%;
text-align: center;
color: white;
background: #d40 linear-gradient(-45deg,
rgba(255, 255, 255, 0.2) 0%,
rgba(255, 255, 255, 0.2) 25%,
transparent 25%,
transparent 50%,
rgba(255, 255, 255, 0.2) 50%,
rgba(255, 255, 255, 0.2) 75%,
transparent 75%,
transparent
);
background-size: 28px 28px;
}
.scv-banner > a {
color: white;
}
.scv-sphinx_rtd_theme {
background-color: #2980B9;
}
.scv-bizstyle {
background-color: #336699;
}
.scv-classic {
text-align: center !important;
}
.scv-traditional {
text-align: center !important;
}
-17
View File
@@ -1,17 +0,0 @@
{% extends "!page.html" %}
{% block body %}
{% if current_version and latest_version and current_version != latest_version %}
<p class="scv-banner scv-sphinx_rtd_theme">
<strong>
{% if current_version.is_released %}
You're reading an old version of this documentation.
If you want up-to-date information, please have a look at <a href="{{ vpathto(latest_version.name) }}">{{latest_version.name}}</a>.
{% else %}
You're reading the documentation for a development version.
For the latest released version, please have a look at <a href="{{ vpathto(latest_version.name) }}">{{latest_version.name}}</a>.
{% endif %}
</strong>
</p>
{% endif %}
{{ super() }}
{% endblock %}%

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