add pre-sync

templates/pre-sync.yaml

@@ -0,0 +1,32 @@
+---
+apiVersion: batch/v1
+kind: Job
+metadata:
+  generate-name: etcd-backup-
+  annotations:
+    argocd.argoproj.io/hook: PreSync
+    argocd.argoproj.io/sync-wave: "1"
+spec:
+  backoffLimit: 3
+  template:
+    spec:
+      restartPolicy: Never
+      containers:
+      - name: etcd-backup
+        image: quay.io/coreos/etcd:{{ .Values.etcd.tag }}
+        volumeMounts:
+        - mountPath: /data
+          name: data
+          subPath: etcd
+        command:
+        - etcdctl
+        - --endpoints=http://etcd:2379
+        - snap
+        - save
+        - /data/snap-{{ now | unixEpoch }}
+
+      volumes:
+      - name: data
+        persistentVolumeClaim:
+          claimName: etcd-backups
+