kubernetes-yaml/learn/learn-kubernetes-master/kiamol/ch18/setup/flannel-overlay.yml

---
kind: ConfigMap
apiVersion: v1
metadata:
  name: kube-flannel-windows-cfg
  namespace: kube-system
  labels:
    tier: node
    app: flannel
data:
  run.ps1: |
    $ErrorActionPreference = "Stop";

    mkdir -force /host/etc/cni/net.d
    mkdir -force /host/etc/kube-flannel
    mkdir -force /host/opt/cni/bin
    mkdir -force /host/k/flannel
    mkdir -force /host/k/flannel/var/run/secrets/kubernetes.io/serviceaccount

    $cniJson = get-content /etc/kube-flannel-windows/cni-conf.json | ConvertFrom-Json
    $serviceSubnet = yq r /etc/kubeadm-config/ClusterConfiguration networking.serviceSubnet
    $podSubnet = yq r /etc/kubeadm-config/ClusterConfiguration networking.podSubnet
    $networkJson = wins cli net get | convertfrom-json

    $cniJson.delegate.policies[0].Value.ExceptionList = $serviceSubnet, $podSubnet
    $cniJson.delegate.policies[1].Value.DestinationPrefix = $serviceSubnet
    Set-Content -Path /host/etc/cni/net.d/10-flannel.conf ($cniJson | ConvertTo-Json -depth 100)

    cp -force /etc/kube-flannel/net-conf.json /host/etc/kube-flannel
    cp -force -recurse /cni/* /host/opt/cni/bin
    cp -force /k/flannel/* /host/k/flannel/
    cp -force /kube-proxy/kubeconfig.conf /host/k/flannel/kubeconfig.yml
    cp -force /var/run/secrets/kubernetes.io/serviceaccount/* /host/k/flannel/var/run/secrets/kubernetes.io/serviceaccount/
    wins cli process run --path /k/flannel/setup.exe --args "--mode=overlay --interface=Ethernet"
    wins cli route add --addresses 169.254.169.254
    wins cli process run --path /k/flannel/flanneld.exe --args "--kube-subnet-mgr --kubeconfig-file /k/flannel/kubeconfig.yml" --envs "POD_NAME=$env:POD_NAME POD_NAMESPACE=$env:POD_NAMESPACE"
  cni-conf.json: |
    {
      "name": "flannel.4096",
      "cniVersion": "0.3.0",
      "type": "flannel",
      "capabilities": {
        "dns": true
      },
      "delegate": {
        "type": "win-overlay",
        "policies": [
          {
            "Name": "EndpointPolicy",
            "Value": {
              "Type": "OutBoundNAT",
              "ExceptionList": []
            }
          },
          {
            "Name": "EndpointPolicy",
            "Value": {
              "Type": "ROUTE",
              "DestinationPrefix": "",
              "NeedEncap": true
            }
          }
        ]
      }
    }
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: kube-flannel-ds-windows-amd64
  labels:
    tier: node
    app: flannel
  namespace: kube-system
spec:
  selector:
    matchLabels:
      app: flannel
  template:
    metadata:
      labels:
        tier: node
        app: flannel
    spec:
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
              - matchExpressions:
                  - key: kubernetes.io/os
                    operator: In
                    values:
                      - windows
                  - key: kubernetes.io/arch
                    operator: In
                    values:
                      - amd64
      hostNetwork: true
      serviceAccountName: flannel
      tolerations:
      - operator: Exists
        effect: NoSchedule
      containers:
      - name: kube-flannel
        image: sigwindowstools/flannel:0.12.0
        command:
        - powershell
        args:
        - -file
        - /etc/kube-flannel-windows/run.ps1
        volumeMounts:
        - name: wins
          mountPath: \\.\pipe\rancher_wins
        - name: host
          mountPath: /host
        - name: kube-proxy
          mountPath: /kube-proxy
        - name: cni
          mountPath: /etc/cni/net.d
        - name: flannel-cfg
          mountPath: /etc/kube-flannel/
        - name: flannel-windows-cfg
          mountPath: /etc/kube-flannel-windows/
        - name: kubeadm-config
          mountPath: /etc/kubeadm-config/
        env:
        - name: POD_NAME
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: metadata.name
        - name: POD_NAMESPACE
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: metadata.namespace
      volumes:
      - name: opt
        hostPath:
          path: /opt
      - name: host
        hostPath:
          path: /
      - name: cni
        hostPath:
          path: /etc
      - name: flannel-cfg
        configMap:
          name: kube-flannel-cfg
      - name: flannel-windows-cfg
        configMap:
          name: kube-flannel-windows-cfg
      - name: kube-proxy
        configMap:
          name: kube-proxy
      - name: kubeadm-config
        configMap:
          name: kubeadm-config
      - name: wins
        hostPath:
          path: \\.\pipe\rancher_wins
          type: null