通过Kubernates部署ekuiper

1. 创建namespace，在kubectl中输入以下命令：

kubectl create namespace ekiper

2. 创建deployment部署yaml文件，将以下配置复制到一个yaml文件中（比如ekuiper-deployment.yaml）并保存：

apiVersion: apps/v1
kind: Deployment
metadata:
  name: ekuiper
  namespace: ekiper
spec:
  replicas: 1
  selector:
    matchLabels:
      app: ekuiper
  template:
    metadata:
      labels:
        app: ekuiper
    spec:
      containers:
      - name: ekuiper
        image: lfedge/ekuiper:latest
        ports:
        - name: http
          containerPort: 9081
        - name: mqtt
          containerPort: 20498
        env:
        - name: MQTT_SOURCE__DEFAULT__SERVER
          value: "tcp://broker.emqx.io:1883"
        - name: KUIPER__BASIC__CONSOLELOG
          value: "true"
        - name: KUIPER__BASIC__IGNORECASE
          value: "false"
        volumeMounts:
        - name: data
          mountPath: /kuiper/data
        - name: log
          mountPath: /kuiper/log
        securityContext:
          runAsUser: 0
      volumes:
      - name: data
        hostPath:
          path: /tmp/data
      - name: log
        hostPath:
          path: /tmp/log
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: ekuiper-manager
  namespace: ekiper
spec:
  selector:
    matchLabels:
      app: ekuiper-manager
  replicas: 1
  template:
    metadata:
      labels:
        app: ekuiper-manager
    spec:
      containers:
      - name: ekuiper-manager
        image: emqx/ekuiper-manager:latest
        ports:
          - name: http
            containerPort: 9082
        env:
          - name: DEFAULT_EKUIPER_ENDPOINT
            value: "http://ekuiper:9081"

3. 创建service部署yaml文件，将以下配置复制到一个yaml文件中（比如ekuiper-service.yaml）并保存：

apiVersion: v1
kind: Service
metadata:
  name: ekuiper
  namespace: ekiper
spec:
  selector:
    app: ekuiper
  ports:
  - name: http
    port: 9081
    targetPort: http
  - name: mqtt
    port: 20498
    targetPort: mqtt
  type: NodePort
---
apiVersion: v1
kind: Service
metadata:
  name: ekuiper-manager
  namespace: ekiper
spec:
  selector:
    app: ekuiper-manager
  type: NodePort
  ports:
  - name: http
    port: 9082
    targetPort: http

4. 应用部署yaml文件，使用kubectl命令应用刚刚创建的两个yaml文件：

kubectl apply -f ekuiper-deployment.yaml
kubectl apply -f ekuiper-service.yaml

5. 确认部署结果，查看ekuiper和ekuiper-manager pod的状态是否Running，并且确认service的NodePort是否正确设置：

kubectl get pods -n ekiper
kubectl get services -n ekiper

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