code/etcd-inmemory-monitoring/deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: controllerbackupmonitoring
  namespace: monitoring
spec:
  selector:
    matchLabels:
      app: controllerbackupmonitoring
  template:
    metadata:
      labels:
        app: controllerbackupmonitoring
    spec:
      terminationGracePeriodSeconds: 0
      tolerations:
        - effect: NoSchedule
          key: node-role.kubernetes.io/control-plane
          operator: Exists
        - effect: NoSchedule
          key: node-role.kubernetes.io/master
          operator: Exists
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
              - matchExpressions:
                  - key: node-role.kubernetes.io/control-plane
                    operator: Exists
      containers:
        - name: exporter
          image: docker.example.com/filemonitor:1.0
          args:
            - python3
            - -u
            - /exporter.py 
            - backup:/backup/etcd-snapshot-latest.db
            - image:/backup/etcdimage
          ports:
            - containerPort: 8080
              protocol: TCP
              name: http
          volumeMounts:
            - name: controllerbackup
              mountPath: /backup
              readOnly: true
      volumes:
        - name: controllerbackup
          hostPath:
            path: /var/lib/wamblee/etcd