add jitter between volsync backups

kubernetes/apps/kyverno/kyverno/policies/volsync-movers.yaml

@@ -14,17 +14,14 @@ spec:
   rules:
     - name: set-volsync-movers-custom-config
       match:
-        all:
-          - resources:
-              kinds: ["batch/v1/Job"]
-              selector:
-                matchLabels:
-                  app.kubernetes.io/created-by: volsync
-          - resources:
-              kinds: ["batch/v1/Job"]
-              namespaceSelector:
-                matchLabels:
-                  volsync.backube/privileged-movers: "true"
+        resources:
+          kinds: ["batch/v1/Job"]
+          selector:
+            matchLabels:
+              app.kubernetes.io/created-by: volsync
+          namespaceSelector:
+            matchLabels:
+              volsync.backube/privileged-movers: "true"
       mutate:
         patchStrategicMerge:
           spec:
@@ -38,6 +35,10 @@ spec:
                     values: [11]
             template:
               spec:
+                initContainers:
+                  - name: jitter
+                    image: docker.io/library/busybox:latest
+                    command: ['sh', '-c', 'sleep $(shuf -i 0-60 -n 1)']
                 containers:
                   - name: restic
                     volumeMounts: