apiVersion: v1
kind: ConfigMap
metadata:
  name: cyt-front-ui-nginx-configmap
data:
  nginx_conf: |-
    #user  nobody;
    worker_processes  1;
    events {
        worker_connections  1024;
    }
    http {
        include       mime.types;
        default_type  application/octet-stream;
        sendfile        on;
        keepalive_timeout  65;
        server {
            listen       80;
            server_name  localhost;
            location / {
                root   /usr/share/nginx/html;
                try_files $uri $uri/ /index.html;
                index  index.html index.htm;
            }
            error_page   500 502 503 504  /50x.html;
            location = /50x.html {
                root   html;
            }
        }
    }
---
apiVersion: v1
kind: Service
metadata:
  name: cyt-front-ui
  namespace: cyt-test
spec:
  type: ClusterIP
  ports:
    - port: 80
      protocol: TCP
      targetPort: 80
  selector:
    app: cyt-front-ui
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: cyt-front-ui
  namespace: cyt-test
spec:
  selector:
    matchLabels:
      app: cyt-front-ui
  replicas: 1
  template:
    metadata:
      labels:
        app: cyt-front-ui
    spec:
      containers:
        - name: cyt-front-ui
          image: ${docker_url}
          #imagePullPolicy: IfNotPresent
          imagePullPolicy: Always
          ports:
            - containerPort: 80
              name: port
              protocol: TCP
          readinessProbe:            # 就续探针-可对外服务
            httpGet:
              path: /index.html
              port: 80
            initialDelaySeconds: 30 #第一次健康检查的时间
            periodSeconds: 5        #检查周期
            timeoutSeconds: 5       #检查超时时间
            successThreshold: 1     #成功次数判定成功
            failureThreshold: 1     #失败次数判定失败
          lifecycle:
            preStop:
              exec:
                command: ["/bin/bash", "-c", "sleep 30"] # 让 pod 真正销毁前先 sleep 等待一段时间
          resources:
            requests:
              cpu: 500m
              memory: 512Mi
            limits:
              cpu: 1000m
              memory: 1Gi
          volumeMounts:
            - mountPath: /etc/nginx/nginx.conf 
              name: pvc-cyt-front-ui-nginx-configmap
              subPath: nginx.conf
      volumes:
        - name: pvc-cyt-front-ui-nginx-configmap
          configMap:
            name: cyt-front-ui-nginx-configmap
            items:
              - key: nginx_conf
                path: nginx.conf
---
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  annotations:
  name: cyt-front-ui-ingress
  namespace: cyt-test
spec:
  rules:
    - host: cyt-test.gxiit.cn
      http:
        paths:
          - backend:
              service:
                name: cyt-front-ui
                port:
                  number: 80
            path: /
            pathType: ImplementationSpecific
          - backend:
              service:
                name: kkfileview
                port:
                  number: 8080
            path: /preview
            pathType: Prefix
---
apiVersion: autoscaling/v1
kind: HorizontalPodAutoscaler
metadata:
  name: cyt-front-ui
  namespace: cyt-test
spec:
  maxReplicas: 10
  minReplicas: 1
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: cyt-front-ui
  targetCPUUtilizationPercentage: 60