145 lines
3.5 KiB
YAML
145 lines
3.5 KiB
YAML
apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: ljwx-bigscreen
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namespace: ljwx-health
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labels:
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app: ljwx-bigscreen
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env: prod
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spec:
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replicas: 3 # 生产环境默认3个副本
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strategy:
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type: RollingUpdate
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rollingUpdate:
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maxUnavailable: 1
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maxSurge: 1
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selector:
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matchLabels:
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app: ljwx-bigscreen
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env: prod
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template:
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metadata:
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labels:
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app: ljwx-bigscreen
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env: prod
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annotations:
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prometheus.io/scrape: "true"
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prometheus.io/port: "5001"
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prometheus.io/path: "/metrics"
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spec:
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affinity: # Pod反亲和性，确保分布在不同节点
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podAntiAffinity:
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preferredDuringSchedulingIgnoredDuringExecution:
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- weight: 100
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podAffinityTerm:
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labelSelector:
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matchExpressions:
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- key: app
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operator: In
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values:
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- ljwx-bigscreen
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topologyKey: kubernetes.io/hostname
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containers:
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- name: ljwx-bigscreen
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image: 173.212.254.252:5000/ljwx-health/ljwx-bigscreen:latest
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ports:
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- containerPort: 5001
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name: http
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env:
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- name: MYSQL_HOST
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valueFrom:
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secretKeyRef:
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name: ljwx-db-secret
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key: host
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- name: MYSQL_PORT
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value: "3306"
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- name: MYSQL_USER
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valueFrom:
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secretKeyRef:
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name: ljwx-db-secret
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key: username
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- name: MYSQL_PASSWORD
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valueFrom:
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secretKeyRef:
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name: ljwx-db-secret
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key: password
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- name: MYSQL_DATABASE
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value: "test"
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- name: APP_PORT
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value: "5001"
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- name: REDIS_HOST
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valueFrom:
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configMapKeyRef:
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name: ljwx-config
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key: redis.host
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- name: REDIS_PORT
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value: "6379"
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- name: ENV
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value: "production"
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resources:
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requests:
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memory: "512Mi"
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cpu: "200m"
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limits:
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memory: "1Gi"
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cpu: "1000m"
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livenessProbe:
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tcpSocket:
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port: 5001
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initialDelaySeconds: 60
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periodSeconds: 30
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timeoutSeconds: 10
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failureThreshold: 3
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readinessProbe:
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tcpSocket:
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port: 5001
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initialDelaySeconds: 10
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periodSeconds: 5
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timeoutSeconds: 5
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failureThreshold: 3
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startupProbe: # 启动探针，给应用更多启动时间
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tcpSocket:
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port: 5001
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initialDelaySeconds: 30
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periodSeconds: 10
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timeoutSeconds: 5
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failureThreshold: 10
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---
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apiVersion: autoscaling/v2
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kind: HorizontalPodAutoscaler
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metadata:
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name: ljwx-bigscreen-hpa
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namespace: ljwx-health
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spec:
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scaleTargetRef:
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apiVersion: apps/v1
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kind: Deployment
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name: ljwx-bigscreen
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minReplicas: 3
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maxReplicas: 10
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metrics:
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- type: Resource
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resource:
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name: cpu
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target:
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type: Utilization
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averageUtilization: 70
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- type: Resource
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resource:
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name: memory
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target:
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type: Utilization
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averageUtilization: 80
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behavior: # 扩缩容行为配置
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scaleUp:
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stabilizationWindowSeconds: 60
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policies:
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- type: Percent
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value: 100
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periodSeconds: 15
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scaleDown:
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stabilizationWindowSeconds: 300
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policies:
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- type: Percent
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value: 10
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periodSeconds: 60 |