kubernetes.yml

#   Copyright 2019 Yanzheng (https://github.com/micyo202). All rights reserved.
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.
apiVersion: apps/v1
kind: Deployment
metadata:
  name: lion-deploy
  namespace: default
spec:
  replicas: 1 # 副本数量
  revisionHistoryLimit: 3 # 设置保留的历史版本个数，默认是 10
  minReadySeconds: 10 # 设置 pod 准备就绪的最小秒数（需要估一个比较合理的值，从容器启动到应用正常提供服务）
  strategy:
    type: RollingUpdate # 滚动更新
    rollingUpdate:
      maxSurge: 30% # 更新时允许最大激增的容器数，可以是个数，也可以是百分比（默认 replicas 的 1/4 向上取整）
      maxUnavailable: 30% # 更新时允许最大 unavailable 容器数，可以是个数，也可以是百分比（默认 replicas 的 1/4 向上取整）
  selector:
    matchLabels:
      name: lion
  template:
    metadata:
      labels:
        name: lion
    spec:
      containers:
        - name: lion-admin
          image: micyo202/lion-admin:2.0.9
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 8200
          env:
            - name: REGISTER_HOST
              value: localhost
          resources:
            requests: # 最小资源配置
              cpu: 300m # 代表0.3CPU
              memory: 500Mi
            limits: # 最大资源配置
              cpu: 500m # 代表0.5CPU
              memory: 1024Mi

        - name: lion-gateway
          image: micyo202/lion-gateway:2.0.9
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 8400
          env:
            - name: REGISTER_HOST
              value: localhost
          resources:
            requests:
              cpu: 300m
              memory: 500Mi
            limits:
              cpu: 500m
              memory: 1024Mi

        - name: lion-auth
          image: micyo202/lion-auth:2.0.9
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 8888
          env:
            - name: REGISTER_HOST
              value: localhost
          resources:
            requests:
              cpu: 300m
              memory: 500Mi
            limits:
              cpu: 500m
              memory: 1024Mi

        - name: lion-demo-provider
          image: micyo202/lion-demo-provider:2.0.9
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 8601
          env:
            - name: REGISTER_HOST
              value: localhost
          resources:
            requests:
              cpu: 300m
              memory: 500Mi
            limits:
              cpu: 500m
              memory: 1024Mi

        - name: lion-demo-consumer
          image: micyo202/lion-demo-consumer:2.0.9
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 8701
          env:
            - name: REGISTER_HOST
              value: localhost
          resources:
            requests:
              cpu: 300m
              memory: 500Mi
            limits:
              cpu: 500m
              memory: 1024Mi

      restartPolicy: Always # Pod的重启策略

---

apiVersion: v1
kind: Service
metadata:
  name: lion-service
  namespace: default
spec:
  selector:
    name: lion
  type: NodePort
  ports:
    - name: lion-admin
      protocol: TCP
      port: 8200  # Service端口
      targetPort: 8200  # 容器端口
      nodePort: 31820 # 对外暴露访问端口

    - name: lion-gateway
      protocol: TCP
      port: 8400
      targetPort: 8400
      nodePort: 31840

    - name: lion-auth
      protocol: TCP
      port: 8888
      targetPort: 8888
      nodePort: 31888

    - name: lion-demo-provider
      protocol: TCP
      port: 8601
      targetPort: 8601
      nodePort: 31861

    - name: lion-demo-consumer
      protocol: TCP
      port: 8701
      targetPort: 8701
      nodePort: 31871

---

apiVersion: autoscaling/v2beta2
kind: HorizontalPodAutoscaler
metadata:
  name: lion-hpa
  namespace: default
spec:
  scaleTargetRef: # 指定需要管理的 Deployment/ReplicaSet 的名字
    apiVersion: apps/v1
    kind: Deployment
    name: lion-deploy
  minReplicas: 3  # pod可伸缩最小范围
  maxReplicas: 10 # pod可伸缩最大范围
  metrics:
    - type: Resource  # Resource类型指标
      resource:
        name: cpu # CPU指标
        target:
          type: Utilization # Utilization类型的目标值，Resource类型的指标支持Utilization和AverageValue类型的目标值
          averageUtilization: 50  # 指定 CPU 使用率（自动扩容/缩容的触发条件）
    - type: Resource
      resource:
        name: memory  # 内存指标
        target:
          type: Utilization # Utilization类型的目标值，Resource类型的指标支持Utilization和AverageValue类型的目标值
          averageUtilization: 60  # 指定内存使用率（自动扩容/缩容的触发条件）
    - type: Pods  # Pods类型指标
      pods:
        metric:
          name: packets-per-second  # 每秒数据包
        target:
          type: AverageValue  # AverageValue类型的目标值，Pods指标类型下只支持AverageValue类型的目标值
          averageValue: 1k  # 指定每秒数据包平均值（自动扩容/缩容的触发条件）
    - type: Object  # Object类型指标
      object:
        # 监控指标的对象描述，指标数据来源于该对象
        describedObject:
          apiVersion: networking.k8s.io/v1beta1
          kind: Ingress
          name: main-route
        metric:
          name: requests-per-second # 每秒请求数
        target:
          type: Value # Value类型的目标值，Object类型的指标只支持Value和AverageValue类型的目标值
          value: 10k  # 每秒请求数平均值（自动扩容/缩容的触发条件）