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Stash operator can be used as a workload initializer. For this you need to create a
InitializerConfiguration with initializer named
stash.appscode.com. Please note that, this uses an alpha feature of Kubernetes.
$ kubectl apply -f ./hack/deploy/initializer.yaml initializerconfiguration "stash-initializer-config" created
apiVersion: admissionregistration.k8s.io/v1alpha1 kind: InitializerConfiguration metadata: labels: app: stash name: stash-initializer initializers: - name: stash.appscode.com rules: - apiGroups: - "*" apiVersions: - "*" resources: - daemonsets - deployments - replicasets - replicationcontrollers - statefulsets
This is helpful when you create
Restic before creating workload objects. This allows stash operator to initialize the target workloads by adding sidecar or, init-container before workload-pods are created. Thus stash operator do not need to delete workload pods for applying changes.
This is particularly helpful for workload kind
StatefulSet since kubernetes does not support updating StatefulSet after they are created.