apiVersion: apps/v1
kind: Deployment
metadata:
  name: user-rpc
  namespace: juwan
  labels:
    app: user-rpc
spec:
  replicas: 1
  revisionHistoryLimit: 5
  selector:
    matchLabels:
      app: user-rpc
  template:
    metadata:
      labels:
        app: user-rpc
    spec:
      # serviceAccountName: find-endpoints
      serviceAccountName: user-rpc
      initContainers: # 等待数据库就绪的 Init Container 不影响资源使用但是影响调度策略(也可以忽略不计)
        - name: wait-for-db
          image: busybox:1.36
          command:
            [
              "sh",
              "-c",
              'until nc -z -v -w5 user-db-rw 5432; do echo "Waiting for database..."; sleep 2; done;',
            ]
      containers:
        - name: user-rpc
          image: 103.236.53.208:4418/library/user-rpc@sha256:3d1d3cc02188a9b1a29a308a4867638b25b6e480e5a6bdaeb938f262f53969b7
          ports:
            - containerPort: 9001
            - containerPort: 4001
          env:
            - name: DB_PORT
              valueFrom:
                secretKeyRef:
                  name: user-db-app
                  key: port
            - name: DB_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: user-db-app
                  key: password
            - name: PD_USERNAME
              valueFrom:
                secretKeyRef:
                  name: user-db-app
                  key: username
            - name: DB_NAME
              valueFrom:
                secretKeyRef:
                  name: user-db-app
                  key: dbname
            - name: REDIS_M_HOST
              value: "user-redis-master.juwan:6379"
            - name: REDIS_S_HOST
              value: "user-redis-replica.juwan:6379"
            - name: REDIS_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: user-redis
                  key: password
            - name: JWT_SECRET_KEY
              valueFrom:
                secretKeyRef:
                  name: jwt-secret
                  key: secret-key
          readinessProbe:
            tcpSocket:
              port: 9001
            initialDelaySeconds: 5
            periodSeconds: 10
          livenessProbe:
            tcpSocket:
              port: 9001
            initialDelaySeconds: 15
            periodSeconds: 20
          resources:
            requests:
              cpu: 500m
              memory: 512Mi
            limits:
              cpu: 1000m
              memory: 1024Mi
          volumeMounts:
            - name: timezone
              mountPath: /etc/localtime
      volumes:
        - name: timezone
          hostPath:
            path: /usr/share/zoneinfo/Asia/Shanghai

---
apiVersion: v1
kind: Service
metadata:
  name: user-rpc-svc
  namespace: juwan
  annotations:
    prometheus.io/scrape: "true"
    prometheus.io/port: "4001"
    prometheus.io/path: "/metrics"
spec:
  ports:
    - name: rpc
      port: 9001
      targetPort: 9001
    - name: metrics
      port: 4001
      targetPort: 4001
  selector:
    app: user-rpc

#---
#apiVersion: autoscaling/v2
#kind: HorizontalPodAutoscaler
#metadata:
#  name: user-rpc-hpa-c
#  namespace: juwan
#  labels:
#    app: user-rpc-hpa-c
#spec:
#  scaleTargetRef:
#    apiVersion: apps/v1
#    kind: Deployment
#    name: user-rpc
#  minReplicas: 3
#  maxReplicas: 10
#  metrics:
#    - type: Resource
#      resource:
#        name: cpu
#        target:
#          type: Utilization
#          averageUtilization: 80
#
#---
#apiVersion: autoscaling/v2
#kind: HorizontalPodAutoscaler
#metadata:
#  name: user-rpc-hpa-m
#  namespace: juwan
#  labels:
#    app: user-rpc-hpa-m
#spec:
#  scaleTargetRef:
#    apiVersion: apps/v1
#    kind: Deployment
#    name: user-rpc
#  minReplicas: 3
#  maxReplicas: 10
#  metrics:
#    - type: Resource
#      resource:
#        name: memory
#        target:
#          type: Utilization
#          averageUtilization: 80
#---
## Redis 主从复制
#apiVersion: redis.redis.opstreelabs.in/v1beta2
#kind: RedisReplication
#metadata:
#  name: user-redis
#  namespace: juwan
#spec:
#  clusterSize: 3
#  kubernetesConfig:
#    image: quay.io/opstree/redis:v7.0.12
#    imagePullPolicy: IfNotPresent
#    resources:
#      requests:
#        cpu: 100m
#        memory: 128Mi
#      limits:
#        cpu: 500m
#        memory: 512Mi
#    redisSecret:
#      name: user-redis
#      key: password
#
#  redisExporter:
#    enabled: true
#    image: quay.io/opstree/redis-exporter:latest
#    imagePullPolicy: Always
#  podSecurityContext:
#    runAsUser: 1000
#    fsGroup: 1000
#  storage:
#    volumeClaimTemplate:
#      spec:
#        accessModes: ["ReadWriteOnce"]
#        resources:
#          requests:
#            storage: 1Gi
#
#---
## Sentinel 监控
#apiVersion: redis.redis.opstreelabs.in/v1beta2
#kind: RedisSentinel
#metadata:
#  name: user-redis-sentinel
#  namespace: juwan
#spec:
#  clusterSize: 3
#  kubernetesConfig:
#    image: quay.io/opstree/redis-sentinel:v7.0.12
#    imagePullPolicy: IfNotPresent
#    resources:
#      requests:
#        cpu: 100m
#        memory: 128Mi
#      limits:
#        cpu: 500m
#        memory: 512Mi
#  podSecurityContext:
#    runAsUser: 1000
#    fsGroup: 1000
#  redisSentinelConfig:
#    redisReplicationName: user-redis
#    masterGroupName: mymaster
#    redisPort: "6379"
#    quorum: "2"
#    downAfterMilliseconds: "5000"
#    failoverTimeout: "10000"
#    parallelSyncs: "1"
#
#---
## PostgreSQL 集群
#apiVersion: postgresql.cnpg.io/v1
#kind: Cluster
#metadata:
#  namespace: juwan
#  name: user-db
#spec:
#  instances: 3
#  primaryUpdateStrategy: unsupervised
#  bootstrap:
#    initdb:
#      database: app
#      owner: app
#      # 只在 PVC 为空时初始化
#      postInitSQL:
#        - CREATE EXTENSION IF NOT EXISTS pg_stat_statements;
#  backup:
#    barmanObjectStore:
#      destinationPath: s3://juwan-dev-pg-backups-zj/pg-data/
#      endpointURL: https://cn-nb1.rains3.com
#      s3Credentials:
#        accessKeyId:
#          name: rc-creds
#          key: SOucqRaJr4OyfcIu
#        secretAccessKey:
#          name: rc-creds
#          key: tn2Agj9EowMwuPA9y7TdSL0AXKsMEz
#      wal:
#        compression: gzip
#  storage:
#    size: 1Gi
#  monitoring:
#    enablePodMonitor: true