Install CNI daemonset

install-cni-ds.yaml

apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: cni-installer
  namespace: kube-system
spec:
  selector:
    matchLabels:
      name: cni-installer
  template:
    metadata:
      labels:
        name: cni-installer
    spec:
      tolerations:
      - key: "node-role.kubernetes.io/master"
        operator: "Exists"
        effect: "NoSchedule"
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: "node-role.kubernetes.io/master"
                operator: "DoesNotExist"
      initContainers:
      - name: install-cni
        image: busybox
        command: ["/bin/sh", "-c"]
        args:
          - >
            wget -O /tmp/cni-plugins.tgz https://github.com/containernetworking/plugins/releases/download/v1.4.1/cni-plugins-linux-amd64-v1.4.1.tgz &&
            tar -xzf /tmp/cni-plugins.tgz -C /host/opt/cni/bin && ls -alh /host/opt/cni/bin;
        volumeMounts:
        - name: cni-bin-dir
          mountPath: /host/opt/cni/bin
      containers:
      - name: pause
        image: k8s.gcr.io/pause:3.1
      volumes:
      - name: cni-bin-dir
        hostPath:
          path: /opt/cni/bin
          type: DirectoryOrCreate