network-kubernetes

network.yaml

apiVersion: v1
kind: Namespace
metadata:
  name: external-network
---
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
  name: default-local-storage
  annotations:
    storageclass.kubernetes.io/is-default-class: "true"
provisioner: kubernetes.io/no-provisioner
volumeBindingMode: WaitForFirstConsumer
---
apiVersion: v1
kind: PersistentVolume
metadata:
  name: network-pv
spec:
  capacity:
    storage: 5Mi
  volumeMode: Filesystem
  accessModes:
  - ReadWriteOnce
  persistentVolumeReclaimPolicy: Delete
  storageClassName: local-storage
  local:
    path: /var/local/network-pv
  nodeAffinity:
    required:
      nodeSelectorTerms:
      - matchExpressions:
        - key: kubernetes.io/hostname
          operator: In
          values:
          - kubernetes-worker-1
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: network-pv-claim
  namespace: external-network
spec:
  storageClassName: local-storage
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 5Mi
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: external-dns
  namespace: external-network
  labels:
    app: coredns
spec:
  replicas: 1
  selector:
    matchLabels:
      app: coredns
  template:
    metadata:
      labels:
        app: coredns
    spec:
      volumes:
      - name: network-pv
        persistentVolumeClaim:
          claimName: network-pv-claim
      containers:
      - name: coredns
        image: coredns/coredns
        args: ["-conf", "network/Corefile"]
        ports:
        - containerPort: 53
          name: dns
        volumeMounts:
        - mountPath: "/network"
          name: network-pv
---
apiVersion: v1
kind: Service
metadata:
  name: external-dns
  namespace: external-network
spec:
  selector:
    app: coredns
  ports:
    - name: tcp
      protocol: TCP
      port: 53
      targetPort: 53
    - name: udp
      protocol: UDP
      port: 53
      targetPort: 53
  externalIPs:
    - 192.168.56.101
---
apiVersion: networking.k8s.io/v1
kind: IngressClass
metadata:
  name: nginx
  annotations:
    ingressclass.kubernetes.io/is-default-class: "true"
spec:
  controller: "k8s.io/ingress-nginx"