move implementation to internal/ directory (#828)

internal/rpc/rpc_logging.go

@@ -0,0 +1,25 @@
+package rpc
+
+import (
+	"context"
+
+	"github.com/zrepl/zrepl/internal/daemon/logging"
+	"github.com/zrepl/zrepl/internal/logger"
+)
+
+type Logger = logger.Logger
+
+// All fields must be non-nil
+type Loggers struct {
+	General Logger
+	Control Logger
+	Data    Logger
+}
+
+func GetLoggersOrPanic(ctx context.Context) Loggers {
+	return Loggers{
+		General: logging.GetLogger(ctx, logging.SubsysRPC),
+		Control: logging.GetLogger(ctx, logging.SubsysRPCControl),
+		Data:    logging.GetLogger(ctx, logging.SubsysRPCData),
+	}
+}