apiVersion: v1
kind: ServiceAccount
metadata:
  name: kube-dhcp-daemon
  namespace: kube-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: dhcp-daemon-cluster-role
rules:
  - apiGroups:
      - ""
    resources:
      - nodes/status
      - pods
    verbs:
      - patch
      - get
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: dhcp-daemon-role-binding
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: dhcp-daemon-cluster-role
subjects:
  - kind: ServiceAccount
    name: kube-dhcp-daemon
    namespace: kube-system
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  labels:
    app: dhcp
    name: kube-dhcp
    tier: node
  name: kube-dhcp-daemon
  namespace: kube-system
spec:
  selector:
    matchLabels:
      name: kube-dhcp
  template:
    metadata:
      labels:
        app: dhcp
        name: kube-dhcp
        tier: node
    spec:
      affinity: {}
      containers:
        - env:
            - name: PRIORITY
              value: "99"
            - name: NODENAME
              valueFrom:
                fieldRef:
                  apiVersion: v1
                  fieldPath: spec.nodeName
          image: ghcr.io/ajacques/k8s-dhcp-cni-helper:br
          imagePullPolicy: Always
          lifecycle:
            preStop:
              exec:
                command:
                  - /bin/sh
                  - -c
                  - rm /host/cni_net/$PRIORITY-bridge.conflist && /cni/dhcp shutdown
          name: kube-dhcp
          resources:
            limits:
              cpu: 100m
              memory: 50Mi
            requests:
              cpu: 10m
              memory: 50Mi
          securityContext:
            privileged: true
          volumeMounts:
            - mountPath: /run
              name: run
            - mountPath: /var/run/netns
              name: host-var-run-netns
              readOnly: true
              mountPropagation: HostToContainer
            - mountPath: /host/cni_bin/
              name: cnibin
            - mountPath: /host/cni_net
              name: cni
      hostNetwork: true
      hostPID: true
      serviceAccountName: kube-dhcp-daemon
      terminationGracePeriodSeconds: 30
      tolerations:
        - effect: NoSchedule
          operator: Exists
        - effect: NoExecute
          operator: Exists
      volumes:
        - hostPath:
            path: /run
            type: ""
          name: run
        - hostPath:
            path: /etc/cni/net.d
            type: ""
          name: cni
        - hostPath:
            path: /opt/cni/bin
            type: ""
          name: cnibin
        - name: host-var-run-netns
          hostPath:
            path: /var/run/netns
  updateStrategy:
    rollingUpdate:
      maxSurge: 0
      maxUnavailable: 1
    type: RollingUpdate