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-Introduce volume group snapshot functionality include initializing queues and caches in snapshotter

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- Introduce new flag for volume group snapshots and run worker if flag is enabled
- Introduce the main controller for group snapshots in snapshot-controller
This commit is contained in:
Raunak Pradip Shah
2023-03-11 11:34:47 +05:30
parent 9b0ea01257
commit a574b8780c
5 changed files with 683 additions and 27 deletions
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7
cmd/snapshot-controller/main.go
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@@ -72,6 +72,7 @@ var (
retryIntervalMax = flag.Duration("retry-interval-max", 5*time.Minute, "Maximum retry interval of failed volume snapshot creation or deletion. Default is 5 minutes.")
enableDistributedSnapshotting = flag.Bool("enable-distributed-snapshotting", false, "Enables each node to handle snapshotting for the local volumes created on that node")
preventVolumeModeConversion = flag.Bool("prevent-volume-mode-conversion", false, "Prevents an unauthorised user from modifying the volume mode when creating a PVC from an existing VolumeSnapshot.")
enableVolumeGroupSnapshots = flag.Bool("enable-volume-group-snapshots", false, "Enables the volume group snapshot feature, allowing the user to create snapshots of groups of volumes.")
retryCRDIntervalMax = flag.Duration("retry-crd-interval-max", 5*time.Second, "Maximum retry interval to wait for CRDs to appear. The default is 5 seconds.")
)
@@ -193,14 +194,20 @@ func main() {
factory.Snapshot().V1().VolumeSnapshots(),
factory.Snapshot().V1().VolumeSnapshotContents(),
factory.Snapshot().V1().VolumeSnapshotClasses(),
factory.Groupsnapshot().V1alpha1().VolumeGroupSnapshots(),
factory.Groupsnapshot().V1alpha1().VolumeGroupSnapshotContents(),
factory.Groupsnapshot().V1alpha1().VolumeGroupSnapshotClasses(),
coreFactory.Core().V1().PersistentVolumeClaims(),
nodeInformer,
metricsManager,
*resyncPeriod,
workqueue.NewItemExponentialFailureRateLimiter(*retryIntervalStart, *retryIntervalMax),
workqueue.NewItemExponentialFailureRateLimiter(*retryIntervalStart, *retryIntervalMax),
workqueue.NewItemExponentialFailureRateLimiter(*retryIntervalStart, *retryIntervalMax),
workqueue.NewItemExponentialFailureRateLimiter(*retryIntervalStart, *retryIntervalMax),
*enableDistributedSnapshotting,
*preventVolumeModeConversion,
*enableVolumeGroupSnapshots,
)
if err := ensureCustomResourceDefinitionsExist(snapClient); err != nil {