# This ConfigMap is used to configure a self-hosted Calico installation.
kind: ConfigMap
apiVersion: v1
metadata:
  name: calico-config
  namespace: kube-system
data:
  # The calico-etcd PetSet service IP:port
  etcd_endpoints: "{{ $cluster := index .EtcdClusters 0 -}}
                      {{- range $j, $member := $cluster.Members -}}
                          {{- if $j }},{{ end -}}
                          http://etcd-{{ $member.Name }}.internal.{{ ClusterName }}:4001
                      {{- end }}"

  # True enables BGP networking, false tells Calico to enforce
  # policy only, using native networking.
  enable_bgp: "true"

  # The CNI network configuration to install on each node.
  cni_network_config: |-
    {
        "name": "k8s-pod-network",
        "type": "calico",
        "etcd_endpoints": "__ETCD_ENDPOINTS__",
        "log_level": "info",
        "ipam": {
            "type": "calico-ipam"
        },
        "policy": {
            "type": "k8s",
             "k8s_api_root": "https://__KUBERNETES_SERVICE_HOST__:__KUBERNETES_SERVICE_PORT__",
             "k8s_auth_token": "__SERVICEACCOUNT_TOKEN__"
        },
        "kubernetes": {
            "kubeconfig": "/etc/cni/net.d/__KUBECONFIG_FILENAME__"
        }
    }

  # The default IP Pool to be created for the cluster.
  # Pod IP addresses will be assigned from this pool.
  ippool.yaml: |
      apiVersion: v1
      kind: ipPool
      metadata:
        cidr: {{ .NonMasqueradeCIDR }}
      spec:
        ipip:
          enabled: true
        nat-outgoing: true

---

# 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
    role.kubernetes.io/networking: "1"
spec:
  selector:
    matchLabels:
      k8s-app: calico-node
  template:
    metadata:
      labels:
        k8s-app: calico-node
        role.kubernetes.io/networking: "1"
    spec:
      hostNetwork: true
      serviceAccountName: calico
      tolerations:
      - key: node-role.kubernetes.io/master
        effect: NoSchedule
      - key: CriticalAddonsOnly
        operator: Exists
      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:v1.1.1
          resources:
            requests:
              cpu: 10m
          env:
            # The location of the Calico etcd cluster.
            - name: ETCD_ENDPOINTS
              valueFrom:
                configMapKeyRef:
                  name: calico-config
                  key: etcd_endpoints
            # Enable BGP.  Disable to enforce policy only.
            - name: CALICO_NETWORKING
              valueFrom:
                configMapKeyRef:
                  name: calico-config
                  key: enable_bgp
            # Disable file logging so `kubectl logs` works.
            - name: CALICO_DISABLE_FILE_LOGGING
              value: "true"
            # Don't configure a default pool.  This is done by the Job
            # below.
            - name: NO_DEFAULT_POOLS
              value: "true"
            # Auto-detect the BGP IP address.
            - 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:v1.6.1
          resources:
            requests:
              cpu: 10m
          imagePullPolicy: Always
          command: ["/install-cni.sh"]
          env:
            # The location of the Calico etcd cluster.
            - name: ETCD_ENDPOINTS
              valueFrom:
                configMapKeyRef:
                  name: calico-config
                  key: etcd_endpoints
            # The CNI network config to install on each node.
            - name: CNI_NETWORK_CONFIG
              valueFrom:
                configMapKeyRef:
                  name: calico-config
                  key: cni_network_config
          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

---

# This manifest deploys the Calico policy controller on Kubernetes.
# See https://github.com/projectcalico/k8s-policy
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: calico-policy-controller
  namespace: kube-system
  labels:
    k8s-app: calico-policy
    role.kubernetes.io/networking: "1"
spec:
  # The policy controller can only have a single active instance.
  replicas: 1
  template:
    metadata:
      name: calico-policy-controller
      namespace: kube-system
      labels:
        k8s-app: calico-policy-controller
        role.kubernetes.io/networking: "1"
      annotations:
        scheduler.alpha.kubernetes.io/critical-pod: ''
    spec:
      # The policy controller must run in the host network namespace so that
      # it isn't governed by policy that would prevent it from working.
      hostNetwork: true
      serviceAccountName: calico
      tolerations:
      - key: node-role.kubernetes.io/master
        effect: NoSchedule
      - key: CriticalAddonsOnly
        operator: Exists
      containers:
        - name: calico-policy-controller
          image: calico/kube-policy-controller:v0.5.4
          resources:
            requests:
              cpu: 10m
          env:
            # The location of the Calico etcd cluster.
            - name: ETCD_ENDPOINTS
              valueFrom:
                configMapKeyRef:
                  name: calico-config
                  key: etcd_endpoints
            # The location of the Kubernetes API.  Use the default Kubernetes
            # service for API access.
            - name: K8S_API
              value: "https://kubernetes.default:443"
            # Since we're running in the host namespace and might not have KubeDNS
            # access, configure the container's /etc/hosts to resolve
            # kubernetes.default to the correct service clusterIP.
            - name: CONFIGURE_ETC_HOSTS
              value: "true"

---

## This manifest deploys a Job which performs one time
# configuration of Calico
apiVersion: batch/v1
kind: Job
metadata:
  name: configure-calico
  namespace: kube-system
  labels:
    k8s-app: calico
    role.kubernetes.io/networking: "1"
spec:
  template:
    metadata:
      name: configure-calico
      annotations:
        scheduler.alpha.kubernetes.io/critical-pod: ''
    spec:
      hostNetwork: true
      serviceAccountName: calico
      tolerations:
      - key: node-role.kubernetes.io/master
        effect: NoSchedule
      - key: CriticalAddonsOnly
        operator: Exists
      restartPolicy: OnFailure
      containers:
        # Writes basic configuration to datastore.
        - name: configure-calico
          image: calico/ctl:v1.1.1
          args:
          - apply
          - -f
          - /etc/config/calico/ippool.yaml
          volumeMounts:
            - name: config-volume
              mountPath: /etc/config
          env:
            # The location of the etcd cluster.
            - name: ETCD_ENDPOINTS
              valueFrom:
                configMapKeyRef:
                  name: calico-config
                  key: etcd_endpoints
      volumes:
       - name: config-volume
         configMap:
           name: calico-config
           items:
            - key: ippool.yaml
              path: calico/ippool.yaml

---

kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: calico
  labels:
    role.kubernetes.io/networking: "1"
rules:
- apiGroups:
  - ""
  resources:
  - pods
  - namespaces
  - nodes
  verbs:
  - get
  - list
  - watch
- apiGroups:
  - extensions
  resources:
  - networkpolicies
  verbs:
  - get
  - list
  - watch

---

apiVersion: v1
kind: ServiceAccount
metadata:
  name: calico
  namespace: kube-system
  labels:
    role.kubernetes.io/networking: "1"
---

kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: calico
  labels:
    role.kubernetes.io/networking: "1"
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: calico
subjects:
- kind: ServiceAccount
  name: calico
  namespace: kube-system