parts/k8s/addons/flannel.yaml

{{- /* This file was pulled from:
https://github.com/coreos/flannel (HEAD at time of pull was 4973e02e539378) */}}
apiVersion: v1
kind: ServiceAccount
metadata:
  name: flannel
  namespace: kube-system
  labels:
    addonmanager.kubernetes.io/mode: Reconcile
---
kind: ConfigMap
apiVersion: v1
metadata:
  name: kube-flannel-cfg
  namespace: kube-system
  labels:
    tier: node
    app: flannel
    addonmanager.kubernetes.io/mode: EnsureExists
data:
  cni-conf.json: |
    {
      "name": "cbr0",
      "type": "flannel",
      "delegate": {
        "isDefaultGateway": true
      }
    }
  net-conf.json: |
    {
      "Network": "{{GetClusterSubnet}}",
      "Backend": {
        "Type": "vxlan"
      }
    }
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: kube-flannel-ds
  namespace: kube-system
  labels:
    tier: node
    app: flannel
    addonmanager.kubernetes.io/mode: Reconcile
spec:
  updateStrategy:
    type: RollingUpdate
    rollingUpdate:
      maxUnavailable: 50%
  selector:
    matchLabels:
      tier: node
      app: flannel
  template:
    metadata:
      labels:
        tier: node
        app: flannel
{{- if IsKubernetesVersionGe "1.17.0"}}
      annotations:
        cluster-autoscaler.kubernetes.io/daemonset-pod: "true"
{{- end}}
    spec:
      hostNetwork: true
      nodeSelector:
        beta.kubernetes.io/arch: amd64
        kubernetes.io/os: linux
      priorityClassName: system-node-critical
      tolerations:
        - key: node.kubernetes.io/not-ready
          operator: Exists
          effect: NoSchedule
        - key: node-role.kubernetes.io/master
          effect: NoSchedule
          operator: "Exists"
        - key: node-role.kubernetes.io/control-plane
          effect: NoSchedule
          operator: "Exists"
        - key: CriticalAddonsOnly
          operator: Exists
      serviceAccountName: flannel
      containers:
      - name: kube-flannel
        image: {{ContainerImage "kube-flannel"}}
        command: [ "/opt/bin/flanneld", "--ip-masq", "--kube-subnet-mgr" ]
        securityContext:
          privileged: true
        env:
        - name: POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: POD_NAMESPACE
          valueFrom:
            fieldRef:
              fieldPath: metadata.namespace
        volumeMounts:
        - name: run
          mountPath: /run
        - name: flannel-cfg
          mountPath: /etc/kube-flannel/
      - name: install-cni
        image: {{ContainerImage "install-cni"}}
        command: [ "/bin/sh", "-c", "set -e -x; cp -f /etc/kube-flannel/cni-conf.json /etc/cni/net.d/10-flannel.conf; while true; do sleep 3600; done" ]
        volumeMounts:
        - name: cni
          mountPath: /etc/cni/net.d
        - name: flannel-cfg
          mountPath: /etc/kube-flannel/
      volumes:
        - name: run
          hostPath:
            path: /run
        - name: cni
          hostPath:
            path: /etc/cni/net.d
        - name: flannel-cfg
          configMap:
            name: kube-flannel-cfg
---
{{- /* This file was pulled from:
https://github.com/coreos/flannel (HEAD at time of pull was 4973e02e539378) */}}
kind: ClusterRole
apiVersion: {{GetRBACAPIVersion}}
metadata:
  name: flannel
  labels:
    addonmanager.kubernetes.io/mode: Reconcile
rules:
  - apiGroups:
      - ""
    resources:
      - pods
    verbs:
      - get
  - apiGroups:
      - ""
    resources:
      - nodes
    verbs:
      - list
      - watch
  - apiGroups:
      - ""
    resources:
      - nodes/status
    verbs:
      - patch
---
kind: ClusterRoleBinding
apiVersion: {{GetRBACAPIVersion}}
metadata:
  name: flannel
  labels:
    addonmanager.kubernetes.io/mode: Reconcile
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: flannel
subjects:
- kind: ServiceAccount
  name: flannel
  namespace: kube-system