# This manifest installs the calico/node container, as well
# as the Calico CNI plugins and network config on 
# each master and worker node in a Kubernetes cluster.
kind: DaemonSet
apiVersion: extensions/v1beta1
metadata:
  name: calico-node
  namespace: kube-system
  labels:
    k8s-app: calico-node
    kubernetes.io/cluster-service: "true"
spec:
  selector:
    matchLabels:
      k8s-app: calico-node
  template:
    metadata:
      labels:
        k8s-app: calico-node
      annotations:
        scheduler.alpha.kubernetes.io/critical-pod: ''
        scheduler.alpha.kubernetes.io/tolerations: |
          [{"key": "dedicated", "value": "master", "effect": "NoSchedule" },
           {"key":"CriticalAddonsOnly", "operator":"Exists"}]
    spec:
      hostNetwork: true
      containers:
        # Runs calico/node container on each Kubernetes node.  This 
        # container programs network policy and routes on each
        # host.
        - name: calico-node
          image: calico/node:v1.0.2
          env:
            # Use Kubernetes API as the backing datastore.
            - name: DATASTORE_TYPE
              value: "kubernetes"
            # Enable felix debug logging.
            - name: FELIX_LOGSEVERITYSCREEN
              value: "debug"
            # Don't enable BGP.
            - name: CALICO_NETWORKING_BACKEND
              value: "none"
            # Disable file logging so `kubectl logs` works.
            - name: CALICO_DISABLE_FILE_LOGGING
              value: "true"
            # Set Felix endpoint to host default action to ACCEPT.
            - name: FELIX_DEFAULTENDPOINTTOHOSTACTION
              value: "ACCEPT"
            # Set the hostname based on the k8s node name.
            - name: HOSTNAME
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
            # No IP address needed.
            - name: IP
              value: ""
          securityContext:
            privileged: true
          volumeMounts:
            - mountPath: /lib/modules
              name: lib-modules
              readOnly: true
            - mountPath: /var/run/calico
              name: var-run-calico
              readOnly: false
        # This container installs the Calico CNI binaries
        # and CNI network config file on each node.
        - name: install-cni
          image: calico/cni:v1.5.6
          command: ["/install-cni.sh"]
          env:
            # The CNI network config to install on each node.
            - name: CNI_NETWORK_CONFIG
              valueFrom:
                configMapKeyRef:
                  name: calico-config
                  key: cni_network_config
            # Set the hostname based on the k8s node name.
            - name: KUBERNETES_NODE_NAME
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
          volumeMounts:
            - mountPath: /host/opt/cni/bin
              name: cni-bin-dir
            - mountPath: /host/etc/cni/net.d
              name: cni-net-dir
      volumes:
        # Used by calico/node.
        - name: lib-modules
          hostPath:
            path: /lib/modules
        - name: var-run-calico
          hostPath:
            path: /var/run/calico
        # Used to install CNI.
        - name: cni-bin-dir
          hostPath:
            path: /opt/cni/bin
        - name: cni-net-dir
          hostPath:
            path: /etc/cni/net.d
