From 67e1d3cbe4baa18be76b64d0c6126c06cb34cab2 Mon Sep 17 00:00:00 2001
From: Junwei Zhao <wahyd4@gmail.com>
Date: Fri, 5 Jun 2020 10:06:36 +1000
Subject: [PATCH] No not restart a backup

---
 etcd-backup-cronjib.yaml | 47 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 etcd-backup-cronjib.yaml

diff --git a/etcd-backup-cronjib.yaml b/etcd-backup-cronjib.yaml
new file mode 100644
index 0000000..c9a603e
--- /dev/null
+++ b/etcd-backup-cronjib.yaml
@@ -0,0 +1,47 @@
+apiVersion: batch/v1beta1
+kind: CronJob
+metadata:
+  name: etcd-snapshot
+  namespace: default
+spec:
+  schedule: "50 23 * * *"
+  jobTemplate:
+    spec:
+      template:
+        spec:
+          containers:
+            - name: backup
+              # Same image as in /etc/kubernetes/manifests/etcd.yaml
+              image: k8s.gcr.io/etcd:3.4.3-0
+              env:
+                - name: ETCDCTL_API
+                  value: "3"
+              command: ["/bin/sh"]
+              args: ["-c", "etcdctl --endpoints=https://127.0.0.1:2379 --cacert=/etc/kubernetes/pki/etcd/ca.crt --cert=/etc/kubernetes/pki/etcd/healthcheck-client.crt --key=/etc/kubernetes/pki/etcd/healthcheck-client.key snapshot save /backup/etcd/snapshot-$(date +%Y-%m-%d_%H-%M-%S_%Z).db"]
+              volumeMounts:
+                - mountPath: /etc/kubernetes/pki/etcd
+                  name: etcd-certs
+                  readOnly: true
+                - mountPath: /backup/etcd
+                  name: backup
+          hostNetwork: true
+          restartPolicy: Never
+          affinity:
+            nodeAffinity:
+              requiredDuringSchedulingIgnoredDuringExecution:
+                nodeSelectorTerms:
+                  - matchExpressions:
+                    - key: node-role.kubernetes.io/master
+                      operator: Exists
+          tolerations:
+            - effect: NoSchedule
+              operator: Exists
+          volumes:
+            - name: etcd-certs
+              hostPath:
+                path: /etc/kubernetes/pki/etcd
+                type: Directory
+            - name: backup
+              hostPath:
+                path: /mnt/backups/etcd
+                type: Directory