cmd/jobrun: repeat strategies as part of jobrun

jobrun/repeat_strategies.go

@@ -0,0 +1,25 @@
+package jobrun
+
+import (
+	"time"
+)
+
+type NoRepeatStrategy struct{}
+
+func (s NoRepeatStrategy) ShouldReschedule(lastResult JobRunResult) (time.Time, bool) {
+	return time.Time{}, false
+}
+
+type PeriodicRepeatStrategy struct {
+	Interval time.Duration
+}
+
+func (s *PeriodicRepeatStrategy) ShouldReschedule(lastResult JobRunResult) (next time.Time, shouldRun bool) {
+	// Don't care about the result
+	shouldRun = true
+	next = lastResult.Start.Add(s.Interval)
+	if next.Before(time.Now()) {
+		next = time.Now()
+	}
+	return
+}