ETCD-636: add automated backup side car

openshift · Jun 30, 2024 · 3d39bd9 · 3d39bd9
1 parent 0a00f2a
commit 3d39bd9
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diff --git a/bindata/etcd/pod.yaml b/bindata/etcd/pod.yaml
@@ -129,6 +129,34 @@ ${COMPUTED_ENV_VARS}
 ${COMPUTED_ENV_VARS}
       - name: "ETCD_STATIC_POD_VERSION"
         value: "REVISION"
+  # The etcdbackup container copies snapshots from etcd data dir into backup volume.
+  - name: etcdbackup
+    image: ${IMAGE}
+    imagePullPolicy: IfNotPresent
+    terminationMessagePolicy: FallbackToLogsOnError
+    command:
+      - /bin/sh
+      - -c
+      - |
+        #!/bin/sh
+        set -euo pipefail
+
+        sudo cp --verbose --recursive --preserve --reflink=auto /var/lib/etcd/ /var/backup/etcd
+    resources:
+      requests:
+        memory: 60Mi
+        cpu: 10m
+    volumeMounts:
+      - mountPath: /etc/kubernetes/manifests
+        name: static-pod-dir
+      - mountPath: /etc/kubernetes/static-pod-resources
+        name: resource-dir
+      - mountPath: /etc/kubernetes/static-pod-certs
+        name: cert-dir
+      - mountPath: /var/lib/etcd/
+        name: data-dir
+      - mountPath: /var/backup/etcd
+        name: backup-dir
   - name: etcd
     image: ${IMAGE}
     imagePullPolicy: IfNotPresent
@@ -335,3 +363,7 @@ ${COMPUTED_ENV_VARS}
     - hostPath:
         path: /var/log/etcd
       name: log-dir
+    - hostPath:
+        path: /var/backup/etcd
+        type: ""
+      name: backup-dir
diff --git a/pkg/operator/etcd_assets/bindata.go b/pkg/operator/etcd_assets/bindata.go