# Calico Version v3.2.1
# https://docs.projectcalico.org/v3.2/releases#v3.2.1
# This manifest includes the following component versions:
#   calico/node:v3.2.1
#   calico/cni:v3.2.1
#   calico/kube-controllers:v3.2.1


# This ConfigMap is used to configure a self-hosted Calico installation.
kind: ConfigMap
apiVersion: v1
metadata:
  name: calico-config
  namespace: kube-system
data:
  # Configure this with the location of your etcd cluster.
  etcd_endpoints: "http://10.96.232.136:6666"

  # Configure the Calico backend to use.
  calico_backend: "bird"

  # Configure the MTU to use
  veth_mtu: "1440"

  # The CNI network configuration to install on each node.  The special
  # values in this config will be automatically populated.
  cni_network_config: |-
    {
      "name": "k8s-pod-network",
      "cniVersion": "0.3.0",
      "plugins": [
        {
          "type": "calico",
          "log_level": "info",
          "etcd_endpoints": "__ETCD_ENDPOINTS__",
          "mtu": 1500,
          "ipam": {
              "type": "calico-ipam"
          },
          "policy": {
              "type": "k8s"
          },
          "kubernetes": {
              "kubeconfig": "__KUBECONFIG_FILEPATH__"
          }
        },
        {
          "type": "portmap",
          "snat": true,
          "capabilities": {"portMappings": true}
        }
      ]
    }

---

# This manifest installs the Calico etcd on the kubeadm master.  This uses a DaemonSet
# to force it to run on the master even when the master isn't schedulable, and uses
# nodeSelector to ensure it only runs on the master.
apiVersion: extensions/v1beta1
kind: DaemonSet
metadata:
  name: calico-etcd
  namespace: kube-system
  labels:
    k8s-app: calico-etcd
spec:
  template:
    metadata:
      labels:
        k8s-app: calico-etcd
      annotations:
        # Mark this pod as a critical add-on; when enabled, the critical add-on scheduler
        # reserves resources for critical add-on pods so that they can be rescheduled after
        # a failure.  This annotation works in tandem with the toleration below.
        scheduler.alpha.kubernetes.io/critical-pod: ''
    spec:
      tolerations:
        # This taint is set by all kubelets running `--cloud-provider=external`
        # so we should tolerate it to schedule the calico pods
        - key: node.cloudprovider.kubernetes.io/uninitialized
          value: "true"
          effect: NoSchedule
        # Allow this pod to run on the master.
        - key: node-role.kubernetes.io/master
          effect: NoSchedule
        # Allow this pod to be rescheduled while the node is in "critical add-ons only" mode.
        # This, along with the annotation above marks this pod as a critical add-on.
        - key: CriticalAddonsOnly
          operator: Exists
      # Only run this pod on the master.
      nodeSelector:
        node-role.kubernetes.io/master: ""
      hostNetwork: true
      containers:
        - name: calico-etcd
          image: quay.io/coreos/etcd:v3.1.10
          env:
            - name: CALICO_ETCD_IP
              valueFrom:
                fieldRef:
                  fieldPath: status.podIP
          command:
          - /usr/local/bin/etcd
          args:
          - --name=calico
          - --data-dir=/var/etcd/calico-data
          - --advertise-client-urls=http://$CALICO_ETCD_IP:6666
          - --listen-client-urls=http://0.0.0.0:6666
          - --listen-peer-urls=http://0.0.0.0:6667
          - --auto-compaction-retention=1
          volumeMounts:
            - name: var-etcd
              mountPath: /var/etcd
      volumes:
        - name: var-etcd
          hostPath:
            path: /var/etcd

---

# This manifest installs the Service which gets traffic to the Calico
# etcd.
apiVersion: v1
kind: Service
metadata:
  labels:
    k8s-app: calico-etcd
  name: calico-etcd
  namespace: kube-system
spec:
  # Select the calico-etcd pod running on the master.
  selector:
    k8s-app: calico-etcd
  # This ClusterIP needs to be known in advance, since we cannot rely
  # on DNS to get access to etcd.
  clusterIP: 10.96.232.136
  ports:
    - port: 6666

---

# 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
spec:
  selector:
    matchLabels:
      k8s-app: calico-node
  updateStrategy:
    type: RollingUpdate
    rollingUpdate:
      maxUnavailable: 1
  template:
    metadata:
      labels:
        k8s-app: calico-node
      annotations:
        # Mark this pod as a critical add-on; when enabled, the critical add-on scheduler
        # reserves resources for critical add-on pods so that they can be rescheduled after
        # a failure.  This annotation works in tandem with the toleration below.
        scheduler.alpha.kubernetes.io/critical-pod: ''
    spec:
      hostNetwork: true
      tolerations:
        # Make sure calico/node gets scheduled on all nodes.
        - effect: NoSchedule
          operator: Exists
        # Mark the pod as a critical add-on for rescheduling.
        - key: CriticalAddonsOnly
          operator: Exists
        - effect: NoExecute
          operator: Exists
      serviceAccountName: calico-cni-plugin
      # Minimize downtime during a rolling upgrade or deletion; tell Kubernetes to do a "force
      # deletion": https://kubernetes.io/docs/concepts/workloads/pods/pod/#termination-of-pods.
      terminationGracePeriodSeconds: 0
      containers:
        # Runs calico/node container on each Kubernetes node.  This
        # container programs network policy and routes on each
        # host.
        - name: calico-node
          image: quay.io/calico/node:v3.2.1
          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_BACKEND
              valueFrom:
                configMapKeyRef:
                  name: calico-config
                  key: calico_backend
            # Cluster type to identify the deployment type
            - name: CLUSTER_TYPE
              value: "kubeadm,bgp"
            # Disable file logging so `kubectl logs` works.
            - name: CALICO_DISABLE_FILE_LOGGING
              value: "true"
            # Set noderef for node controller.
            - name: CALICO_K8S_NODE_REF
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
            # Set Felix endpoint to host default action to ACCEPT.
            - name: FELIX_DEFAULTENDPOINTTOHOSTACTION
              value: "ACCEPT"
            # The default IPv4 pool to create on startup if none exists. Pod IPs will be
            # chosen from this range. Changing this value after installation will have
            # no effect. This should fall within `--cluster-cidr`.
            - name: CALICO_IPV4POOL_CIDR
              value: "192.168.0.0/16"
            - name: CALICO_IPV4POOL_IPIP
              value: "Always"
            # Disable IPv6 on Kubernetes.
            - name: FELIX_IPV6SUPPORT
              value: "false"
            # Set MTU for tunnel device used if ipip is enabled
            - name: FELIX_IPINIPMTU
              valueFrom:
                configMapKeyRef:
                  name: calico-config
                  key: veth_mtu
            # Set Felix logging to "info"
            - name: FELIX_LOGSEVERITYSCREEN
              value: "info"
            # Auto-detect the BGP IP address.
            - name: IP
              value: "autodetect"
            - name: FELIX_HEALTHENABLED
              value: "true"
          securityContext:
            privileged: true
          resources:
            requests:
              cpu: 250m
          livenessProbe:
            httpGet:
              path: /liveness
              port: 9099
              host: localhost
            periodSeconds: 10
            initialDelaySeconds: 10
            failureThreshold: 6
          readinessProbe:
            exec:
              command:
              - /bin/calico-node
              - -bird-ready
              - -felix-ready
            periodSeconds: 10
          volumeMounts:
            - mountPath: /lib/modules
              name: lib-modules
              readOnly: true
            - mountPath: /var/run/calico
              name: var-run-calico
              readOnly: false
            - mountPath: /var/lib/calico
              name: var-lib-calico
              readOnly: false
        # This container installs the Calico CNI binaries
        # and CNI network config file on each node.
        - name: install-cni
          image: quay.io/calico/cni:v3.2.1
          command: ["/install-cni.sh"]
          env:
            # Name of the CNI config file to create.
            - name: CNI_CONF_NAME
              value: "10-calico.conflist"
            # 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
            # CNI MTU Config variable
            - name: CNI_MTU
              valueFrom:
                configMapKeyRef:
                  name: calico-config
                  key: veth_mtu
          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
        - name: var-lib-calico
          hostPath:
            path: /var/lib/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 Kubernetes controllers.
# See https://github.com/projectcalico/kube-controllers
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: calico-kube-controllers
  namespace: kube-system
  labels:
    k8s-app: calico-kube-controllers
spec:
  # The controllers can only have a single active instance.
  replicas: 1
  strategy:
    type: Recreate
  template:
    metadata:
      name: calico-kube-controllers
      namespace: kube-system
      labels:
        k8s-app: calico-kube-controllers
      annotations:
        # Mark this pod as a critical add-on; when enabled, the critical add-on scheduler
        # reserves resources for critical add-on pods so that they can be rescheduled after
        # a failure.  This annotation works in tandem with the toleration below.
        scheduler.alpha.kubernetes.io/critical-pod: ''
    spec:
      # The controllers must run in the host network namespace so that
      # it isn't governed by policy that would prevent it from working.
      hostNetwork: true
      tolerations:
        # Allow this pod to be rescheduled while the node is in "critical add-ons only" mode.
        # This, along with the annotation above marks this pod as a critical add-on.
        - key: CriticalAddonsOnly
          operator: Exists
        - key: node-role.kubernetes.io/master
          effect: NoSchedule
      serviceAccountName: calico-kube-controllers
      containers:
        - name: calico-kube-controllers
          image: quay.io/calico/kube-controllers:v3.2.1
          env:
            # The location of the Calico etcd cluster.
            - name: ETCD_ENDPOINTS
              valueFrom:
                configMapKeyRef:
                  name: calico-config
                  key: etcd_endpoints
            # Choose which controllers to run.
            - name: ENABLED_CONTROLLERS
              value: policy,profile,workloadendpoint,node
          readinessProbe:
            exec:
              command:
              - /usr/bin/check-status
              - -r

---

apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRoleBinding
metadata:
  name: calico-cni-plugin
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: calico-cni-plugin
subjects:
- kind: ServiceAccount
  name: calico-cni-plugin
  namespace: kube-system

---

kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: calico-cni-plugin
rules:
  - apiGroups: [""]
    resources:
      - pods
      - nodes
    verbs:
      - get

---

apiVersion: v1
kind: ServiceAccount
metadata:
  name: calico-cni-plugin
  namespace: kube-system

---

apiVersion: rbac.authorization.k8s.io/v1beta1
kind: ClusterRoleBinding
metadata:
  name: calico-kube-controllers
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: calico-kube-controllers
subjects:
- kind: ServiceAccount
  name: calico-kube-controllers
  namespace: kube-system

---

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

---

apiVersion: v1
kind: ServiceAccount
metadata:
  name: calico-kube-controllers
  namespace: kube-system