deploy.yaml

---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: knet-wg
rules:
- apiGroups:
  - ""
  resources:
  - nodes
  verbs:
  - get
  - list
  - watch
  - patch
  - update
---
apiVersion: v1
kind: ServiceAccount
metadata:
  namespace: kube-system
  name: knet-wg
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  creationTimestamp: null
  name: knet-wg
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: knet-wg
subjects:
- kind: ServiceAccount
  name: knet-wg
  namespace: kube-system
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: kubeconfig
  namespace: kube-system
data:
  kubeconfig.conf: |
    apiVersion: v1
    kind: Config
    clusters:
    - cluster:
        certificate-authority: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
        # you need to resolve kubernetes to your API server
        server: https://kubernetes:6443
      name: default
    users:
    - name: default
      user:
        tokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
    contexts:
    - context:
        cluster: default
        namespace: default
        user: default
      name: default
    current-context: default
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  namespace: kube-system
  name: knet-wg
spec:
  selector:
    matchLabels: { app: knet-wg }
  template:
    metadata:
      labels: { app: knet-wg }
    spec:
      tolerations:
      - operator: "Exists"
        effect: "NoSchedule"
      serviceAccountName: knet-wg
      hostNetwork: true
      priorityClassName: system-node-critical
      containers:
      - name: knet-wg
        image: mcluseau/knet-wg
        args:
        - --key-path=/etc/knet-wg/wg.key
        - --kubeconfig=/run/k8s/kubeconfig.conf # to work without kube-proxy, be sure to define the kubernetes host
        securityContext:
          capabilities:
            add:
            - NET_ADMIN
        volumeMounts:
        - name: cni
          mountPath: /etc/cni
        - name: wg
          mountPath: /etc/wireguard
        - name: modules
          mountPath: /lib/modules
        - name: knet-wg
          mountPath: /etc/knet-wg
        - name: k8s
          mountPath: /run/k8s
      volumes:
      - name: cni
        hostPath:
          path: /etc/cni
      - name: wg
        hostPath:
          path: /etc/wireguard
      - name: modules
        hostPath:
          path: /lib/modules
      - name: knet-wg
        hostPath:
          path: /var/lib/kubelet/knet-wg
      # enable to work with a custom kubeconfig
      - name: k8s
        configMap:
          name: kubeconfig