docker-root-ds.yaml

apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: docker-root
spec:
  selector:
    matchLabels:
      name: docker-root
  template:
    metadata:
      labels:
        name: docker-root
    spec:
      containers:
      - name: docker-root
        image: realguess/jq
        command: ["/bin/sh", "-c"]
        args:
          - >
            jq '."data-root" = "/mnt"' /modifyetc/docker/daemon.json > /modifyetc/docker/tmp.json && mv /modifyetc/docker/tmp.json /modifyetc/docker/daemon.json;
            while true; do
              sleep 100000;
            done
        securityContext:
          privileged: true
        resources:
          limits:
            cpu: "200m"
            memory: "200Mi"
          requests:
            cpu: "20m"
            memory: "100Mi"
        volumeMounts:
          - name: modifyetc
            mountPath: /modifyetc
      volumes:
        - name: modifyetc
          hostPath:
            path: /etc