feat(dvcr): auto-cleanup for dvcr storage (#1688)

1. feat(dvcr): add controller to cleanup registry on schedule (#1688)

- Add dvcr-maintenance controller tht triggers on schedule and secret/dvcr-maintenance changes.
  - Sets Maintenance condition on deployment/dvcr with cleanup state.
  - Creates secret to start cleanup, deletes secret when cleanup is finished.
- Add hook to switch deployment/dvcr into maintenance mode.
- Add gc.schedule setting to specify schedule in the ModuleConfig.
- Note: Garbage collection is disabled by default, set schedule explicitly in spec.settings.dvcr.gc.schedule to run cleanup periodically.

2. feat(api): postpone image operations until dvcr maintenance finishes (#1689)

- Add postpone handler that runs before all other handlers.
- VirtualDisk: postpone only disks with dataSource that requires import to dvcr first.
- Add ProvisioningPostponed reason for Ready condition for vi/cvi/vd resources.

3. feat(core): add auto-cleanup and check commands for dvcr-cleaner (#1675)

- dvcr-cleaner gc auto-cleanup — compares images in registry and in cluster, removes manifests not found in cluster, runs garbage collect on registry blobs.
- dvcr-cleaner gc check — compares images in registry and in cluster and prints images eligible to cleanup.


---------

Signed-off-by: Ivan Mikheykin <[email protected]>

Author: diafour

api/core/v1alpha2/dvcr-deployment-condition/condition.go

@@ -0,0 +1,44 @@
+/*
+Copyright 2025 Flant JSC
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package dvcr_deployment_condition
+
+import appsv1 "k8s.io/api/apps/v1"
+
+const (
+	// GarbageCollectionType indicates whether the deployment/dvcr is in garbage collection mode.
+	GarbageCollectionType appsv1.DeploymentConditionType = "GarbageCollection"
+)
+
+type (
+	// GarbageCollectionReason represents the various reasons for the GarbageCollection condition type.
+	GarbageCollectionReason string
+)
+
+func (s GarbageCollectionReason) String() string {
+	return string(s)
+}
+
+const (
+	// InProgress indicates that the garbage collection is in progress. (status "True")
+	InProgress GarbageCollectionReason = "InProgress"
+
+	// Completed indicates that the garbage collection is done and result is in the message. (status "False")
+	Completed GarbageCollectionReason = "Completed"
+
+	// Error indicates that the garbage collection was unsuccessful and error is in the message. (status "False")
+	Error GarbageCollectionReason = "Error"
+)

api/core/v1alpha2/events.go

@@ -104,6 +104,11 @@ const (
 	// ReasonDataSourceQuotaExceeded is event reason that DataSource sync is failed because quota exceed.
 	ReasonDataSourceQuotaExceeded = "DataSourceQuotaExceed"
 
+	// ReasonImageOperationPostponedDueToDVCRGarbageCollection is event reason that operation is postponed until the end of DVCR garbage collection.
+	ReasonImageOperationPostponedDueToDVCRGarbageCollection = "ImageOperationPostponedDueToDVCRGarbageCollection"
+	// ReasonImageOperationContinueAfterDVCRGarbageCollection is event reason that operation is resumed after DVCR garbage collection is finished.
+	ReasonImageOperationContinueAfterDVCRGarbageCollection = "ImageOperationContinueAfterDVCRGarbageCollection"
+
 	// ReasonDataSourceDiskProvisioningFailed is event reason that DataSource disk provisioning is failed.
 	ReasonDataSourceDiskProvisioningFailed = "DataSourceImportDiskProvisioningFailed"