Strimzi Zookeeper backdoor

zoo-entrance.yaml

###########
###########
#
# You can find newer version in https://github.com/scholzj/zoo-entrance
#
###########
###########

apiVersion: apps/v1
kind: Deployment
metadata:
  name: zoo-entrance
  labels:
    app: zoo-entrance
spec:
  replicas: 1
  selector:
    matchLabels:
      app: zoo-entrance
  strategy:
    type: Recreate
  template:
    metadata:
      labels:
        app: zoo-entrance
    spec:
      containers:
        - name: tls-sidecar
          image: 'docker.io/scholzj/zoo-entrance-stunnel:latest'
          ports:
            - containerPort: 2181
              name: zoo
              protocol: TCP
          env:
            - name: TLS_SIDECAR_LOG_LEVEL
              value: notice
            - name: STRIMZI_ZOOKEEPER_CONNECT
              value: 'my-cluster-zookeeper-client:2181'
          imagePullPolicy: Always
          livenessProbe:
            exec:
              command:
                - /opt/stunnel/stunnel_healthcheck.sh
                - '2181'
            failureThreshold: 3
            initialDelaySeconds: 15
            periodSeconds: 10
            successThreshold: 1
            timeoutSeconds: 5
          readinessProbe:
            exec:
              command:
                - /opt/stunnel/stunnel_healthcheck.sh
                - '2181'
            failureThreshold: 3
            initialDelaySeconds: 15
            periodSeconds: 10
            successThreshold: 1
            timeoutSeconds: 5
          volumeMounts:
            - mountPath: /etc/tls-sidecar/eo-certs/
              name: eo-certs
            - mountPath: /etc/tls-sidecar/cluster-ca-certs/
              name: cluster-ca-certs
      restartPolicy: Always
      terminationGracePeriodSeconds: 30
      volumes:
        - name: eo-certs
          secret:
            defaultMode: 288
            secretName: my-cluster-entity-operator-certs
        - name: cluster-ca-certs
          secret:
            defaultMode: 288
            secretName: my-cluster-cluster-ca-cert
---

apiVersion: v1
kind: Service
metadata:
  labels:
    app: zoo-entrance
  name: zoo-entrance
spec:
  ports:
    - name: zoo
      port: 2181
      protocol: TCP
      targetPort: 2181
  selector:
    app: zoo-entrance
  type: ClusterIP
---

apiVersion: extensions/v1beta1
kind: NetworkPolicy
metadata:
  labels:
    app: zoo-entrance
  name: zoo-entrance
spec:
  ingress:
  - from:
    - podSelector:
        matchLabels:
          app: zoo-entrance
    ports:
    - port: 2181
      protocol: TCP
  podSelector:
    matchLabels:
      strimzi.io/name: my-cluster-zookeeper
  policyTypes:
  - Ingress