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apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: etcd-upgrade
spec:
  selector:
    matchLabels:
      app: etcd-upgrade
  template:
    metadata:
      labels:
        app: etcd-upgrade
      name: etcd-upgrade
    spec:
      containers:
      - image: docker.io/openpai/etcd-upgrade:v0.11.0
        name: etcd-upgrade
        imagePullPolicy: Always
        readinessProbe:
          exec:
            command:
            - cat
            - /upgrade/done
          initialDelaySeconds: 5
          periodSeconds: 3
        command: ["sh", "-x", "/upgrade/upgrade.sh"]
        resources:
          limits:
            memory: "128Mi"
        securityContext:
          privileged: true
        volumeMounts:
        - mountPath: /etc/kubernetes/manifests
          name: manifests-dir
      volumes:
        - name: manifests-dir
          hostPath:
            path: /etc/kubernetes/manifests
