unkin-agent
9da206dc7c
PVCs and CloudNativePG Clusters need S3 buckets and backup schedules
provisioned consistently. This operator watches the
backups.unkin.net/{schedule,destination} annotations on those objects and
provisions everything needed to back them up, with no new CRDs.
- Add a PVC controller that provisions cephrgw ObjectStoreUser/Bucket/BucketAccess,
auto-generates a restic repo-password Secret and creates a k8up Schedule scoped
to the PVC via spec.backup.volumes[].persistentVolumeClaim.claimName.
- Add a CNPG Cluster controller that provisions the same bucket stack, idempotently
patches spec.backup.barmanObjectStore (leaving a user-set destinationPath alone
with a Warning event) and creates a ScheduledBackup.
- Resolve destinations through a ConfigMap lookup table; requeue until the
BucketAccess is Ready before creating schedule resources; own-reference created
resources and retain bucket data by default.
- Add schedule-mapping helpers (k8up 5-field/shortcut pass-through, CNPG 6-field
seconds-first) and deterministic, length-bounded name derivation.
- Add unit tests (schedule mapping, name derivation, destination resolution) and
envtest controller tests for both paths, wiring the external CRDs into envtest.
- Add kubebuilder-generated RBAC, a Dockerfile (distroless/nonroot), Woodpecker
lint/test/build pipelines and a tag-triggered image push to the artifactapi
docker-internal registry, plus a version-bump Makefile and deploy manifests.
39 lines
833 B
Go
39 lines
833 B
Go
package syncs
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import (
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"context"
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"reflect"
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"sync"
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)
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// MergeChans returns a channel that is closed when any of the input channels are signaled.
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// The caller must call the returned CancelFunc to ensure no resources are leaked.
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func MergeChans[T any](chans ...<-chan T) (<-chan T, context.CancelFunc) {
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var once sync.Once
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out := make(chan T)
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cancel := make(chan T)
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cancelFunc := func() {
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once.Do(func() {
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close(cancel)
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})
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<-out
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}
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cases := make([]reflect.SelectCase, len(chans)+1)
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for i := range chans {
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cases[i] = reflect.SelectCase{
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Dir: reflect.SelectRecv,
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Chan: reflect.ValueOf(chans[i]),
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}
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}
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cases[len(cases)-1] = reflect.SelectCase{
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Dir: reflect.SelectRecv,
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Chan: reflect.ValueOf(cancel),
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}
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go func() {
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defer close(out)
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_, _, _ = reflect.Select(cases)
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}()
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return out, cancelFunc
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}
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