title: Kubernetes endpoints empty , can I restart the pods?
body: <p>I have a situation where I have zero endpoints available for one service. To test this, I specially crafted a yaml descriptor that uses a simple node server to set and retrieve the ready/live status for a pod:</p>
  
  <pre><code>apiVersion: extensions/v1beta1
  kind: Deployment
  metadata:
    name: nodejs-deployment
    labels:
      app: nodejs
  spec:
    replicas: 3
    selector:
      matchLabels:
        app: nodejs
    template:
      metadata:
        labels:
          app: nodejs
      spec:
        containers:
        - name: nodejs
          image: nodejs_server
          ports:
          - containerPort: 8080
          livenessProbe:
            httpGet:
              path: /is_alive
              port: 8080
            initialDelaySeconds: 5
            timeoutSeconds: 3
            periodSeconds: 10
          readinessProbe:
            httpGet:
              path: /is_ready
              port: 8080
            initialDelaySeconds: 5
            timeoutSeconds: 3
            periodSeconds: 10
  ---
  apiVersion: v1
  kind: Service
  metadata:
    name: nodejs-service
    labels:
      app: nodejs
  spec:
    ports:
    - port: 80
      protocol: TCP
      targetPort: 8080
    selector:
      app: nodejs
  ---    
  apiVersion: extensions/v1beta1
  kind: Ingress
  metadata:
    name: nodejs-ingress
  spec:
    backend:
      serviceName: nodejs-service
      servicePort: 80
  </code></pre>
  
  <p>The node server has methods to set and retrieve the liveness and readiness. </p>
  
  <p>When the app start I can see that 3 replicas are created and the status of them is ready. OK then now I trigger manually the status of their readiness to set to false [from outside the ingress]. One pod is correctly removed from the endpoint so no traffic is routed to it[that's OK as this is the expected behavior]. When I set all the ready-statuses to false for all pods the endpoints list is empty [still the expected behavior].</p>
  
  <p>At that point I cannot set ready=true from outside the ingress as the traffic is not routed to any pod. Is there a way here for example of triggering a restart of the pod when the ready is not achieved after n-timer or n-seconds? Or when the endpoints list is empty?</p>