---
apiVersion: v1
kind: Service
metadata:
  name: nacos-headless
  labels:
    app: nacos-headless
spec:
  type: ClusterIP
  clusterIP: None
  ports:
    - port: 8848
      name: server
      targetPort: 8848
    - port: 7848
      name: rpc
      targetPort: 7848
  selector:
    app: nacos
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: nacos-cm
data:
  mysql.host: "mysql-primary.default.svc.cluster.local"
  mysql.db.name: "nacos"
  mysql.port: "3306"
  mysql.user: "nacos"
  mysql.password: "nacosPassword"
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: nacos
spec:
  serviceName: nacos-headless
  replicas: 1
  template:
    metadata:
      labels:
        app: nacos
      annotations:
        pod.alpha.kubernetes.io/initialized: "true"
    spec:
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            - labelSelector:
                matchExpressions:
                  - key: "app"
                    operator: In
                    values:
                      - nacos
              topologyKey: "kubernetes.io/hostname"
      containers:
        - name: k8snacos
          imagePullPolicy: Always
          image: nacos/nacos-server:latest
          resources:
            requests:
              memory: "256Mi"
              cpu: "500m"
          ports:
            - containerPort: 8848
              name: client
            - containerPort: 7848
              name: rpc
          env:
            - name: NACOS_REPLICAS
              value: "1"
            - name: MYSQL_SERVICE_HOST
              valueFrom:
                configMapKeyRef:
                  name: nacos-cm
                  key: mysql.host
            - name: MYSQL_SERVICE_DB_NAME
              valueFrom:
                configMapKeyRef:
                  name: nacos-cm
                  key: mysql.db.name
            - name: MYSQL_SERVICE_PORT
              valueFrom:
                configMapKeyRef:
                  name: nacos-cm
                  key: mysql.port
            - name: MYSQL_SERVICE_USER
              valueFrom:
                configMapKeyRef:
                  name: nacos-cm
                  key: mysql.user
            - name: MYSQL_SERVICE_PASSWORD
              valueFrom:
                configMapKeyRef:
                  name: nacos-cm
                  key: mysql.password
            - name: NACOS_SERVER_PORT
              value: "8848"
            - name: NACOS_APPLICATION_PORT
              value: "8848"
            - name: PREFER_HOST_MODE
              value: "hostname"
            - name: NACOS_SERVERS
              value: "nacos-0.nacos-headless.default.svc.cluster.local:8848"
            - name: nacos.naming.data.warmup
              value: "false"
  selector:
    matchLabels:
      app: nacos

---
# ------------------- App Ingress ------------------- #
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: nacos-headless
  namespace: default
spec:
  tls:
    - secretName: nacos.demo.com
      hosts:
        - nacos.demo.com
  rules:
    - host: nacos.demo.com
      http:
        paths:
          - path: /
            backend:
              serviceName: nacos-headless
              servicePort: server