apiVersion: v1
kind: ReplicationController
metadata:
  name: hollow-node
  labels:
    name: hollow-node
    {{kubemark_mig_config}}
spec:
  replicas: {{numreplicas}}
  selector:
    name: hollow-node
  template:
    metadata:
      labels:
        name: hollow-node
        {{kubemark_mig_config}}
    spec:
      initContainers:
      - name: init-inotify-limit
        image: busybox
        command: ['sysctl', '-w', 'fs.inotify.max_user_instances=1000']
        securityContext:
          privileged: true
      volumes:
      - name: kubeconfig-volume
        secret:
          secretName: kubeconfig
      - name: kernelmonitorconfig-volume
        configMap:
          name: node-configmap
      - name: logs-volume
        hostPath:
          path: /var/log
      - name: no-serviceaccount-access-to-real-master
        emptyDir: {}
      containers:
      - name: hollow-kubelet
        image: {{kubemark_image_registry}}/kubemark:{{kubemark_image_tag}}
        ports:
        - containerPort: 4194
        - containerPort: 10250
        - containerPort: 10255
        env:
        - name: CONTENT_TYPE
          valueFrom:
            configMapKeyRef:
              name: node-configmap
              key: content.type
        - name: NODE_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        command:
        - /bin/sh
        - -c
        - /kubemark --morph=kubelet --name=$(NODE_NAME) {{hollow_kubelet_params}} --kubeconfig=/kubeconfig/kubelet.kubeconfig $(CONTENT_TYPE) --alsologtostderr 1>>/var/log/kubelet-$(NODE_NAME).log 2>&1
        volumeMounts:
        - name: kubeconfig-volume
          mountPath: /kubeconfig
          readOnly: true
        - name: logs-volume
          mountPath: /var/log
        resources:
          requests:
            cpu: 40m
            memory: 100M
        securityContext:
          privileged: true
      - name: hollow-proxy
        image: {{kubemark_image_registry}}/kubemark:{{kubemark_image_tag}}
        env:
        - name: CONTENT_TYPE
          valueFrom:
            configMapKeyRef:
              name: node-configmap
              key: content.type
        - name: NODE_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        command:
        - /bin/sh
        - -c
        - /kubemark --morph=proxy --name=$(NODE_NAME) {{hollow_proxy_params}} --kubeconfig=/kubeconfig/kubeproxy.kubeconfig $(CONTENT_TYPE) --alsologtostderr 1>>/var/log/kubeproxy-$(NODE_NAME).log 2>&1
        volumeMounts:
        - name: kubeconfig-volume
          mountPath: /kubeconfig
          readOnly: true
        - name: logs-volume
          mountPath: /var/log
        resources:
          requests:
            cpu: {{HOLLOW_PROXY_CPU}}m
            memory: {{HOLLOW_PROXY_MEM}}Ki
      - name: hollow-node-problem-detector
        image: k8s.gcr.io/node-problem-detector:v0.4.1
        env:
        - name: NODE_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        command:
        - /bin/sh
        - -c
        - /node-problem-detector --system-log-monitors=/config/kernel.monitor --apiserver-override="https://{{master_ip}}:443?inClusterConfig=false&auth=/kubeconfig/npd.kubeconfig" --alsologtostderr 1>>/var/log/npd-$(NODE_NAME).log 2>&1
        volumeMounts:
        - name: kubeconfig-volume
          mountPath: /kubeconfig
          readOnly: true
        - name: kernelmonitorconfig-volume
          mountPath: /config
          readOnly: true
        - name: no-serviceaccount-access-to-real-master
          mountPath: /var/run/secrets/kubernetes.io/serviceaccount
          readOnly: true
        - name: logs-volume
          mountPath: /var/log
        resources:
          requests:
            cpu: 20m
            memory: 20Mi
        securityContext:
          privileged: true
      # Keep the pod running on unreachable node for 15 minutes.
      # This time should be sufficient for a VM reboot and should
      # avoid recreating a new hollow node.
      # See https://github.com/kubernetes/kubernetes/issues/67120 for context.
      tolerations:
      - key: "node.kubernetes.io/unreachable"
        operator: "Exists"
        effect: "NoExecute"
        tolerationSeconds: 900