k8s弹性伸缩

cornHPA兼容HPA yaml配置
apiVersion: apps/v1
kind: Deployment
metadata:
  name: python-django
  labels:
    app: nginx
spec:
  replicas: 2
  selector:
    matchLabels:
      app: nginx
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
        - command:
            - sh
            - start.sh
          image: 'registry-vpc.cn-beijing.aliyuncs.com/aixuexi-jituan/cunchu:latest'
          imagePullPolicy: Always
          name: python-django
          ports:
            - containerPort: 80
              name: http
              protocol: TCP
          resources:
            limits:
              cpu: 500m
              memory: 512Mi
            requests:
              cpu: 200m
              memory: 512Mi
---
apiVersion: autoscaling/v1
kind: HorizontalPodAutoscaler
metadata:
  annotations:
    autoscaling.alpha.kubernetes.io/metrics: >-
      [{"type":"Resource","resource":{"name":"memory","targetAverageUtilization":60}}]
  name: hpa-sample-test
  namespace: slide
spec:
  maxReplicas: 12
  minReplicas: 2
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: python-django
  targetCPUUtilizationPercentage: 50

---
apiVersion: autoscaling.alibabacloud.com/v1beta1
kind: CronHorizontalPodAutoscaler
metadata:
  labels:
    controller-tools.k8s.io: "1.0"
  namespace: slide
  name: cronhpa-sample-test
spec:
   scaleTargetRef:
      apiVersion: autoscaling/v1
      kind: HorizontalPodAutoscaler
      name:  hpa-sample-test
   jobs:
   - name: "scale-start"
     schedule: "0 55 15 * * *"
     targetSize: 4
   - name: "scale-end"
     schedule: "0 0 16 * * *"
     targetSize: 2