apiVersion: apps/v1
kind: Deployment
metadata:
  name: order-service
  namespace: erp
  labels:
    app: order-service
    version: v2
    module: order-management
spec:
  replicas: 3
  selector:
    matchLabels:
      app: order-service
  template:
    metadata:
      labels:
        app: order-service
        version: v2
    spec:
      affinity:
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
            - weight: 100
              podAffinityTerm:
                labelSelector:
                  matchExpressions:
                    - key: app
                      operator: In
                      values:
                        - order-service
                topologyKey: kubernetes.io/hostname
      containers:
        - name: order-service
          image: erp-order-service:latest
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 8082
              name: http
              protocol: TCP
          env:
            - name: ORDER_SERVICE_PORT
              value: "8082"
            - name: NACOS_HOST
              value: "nacos.erp.svc.cluster.local"
            - name: NACOS_PORT
              value: "8848"
            - name: NACOS_NAMESPACE
              value: "public"
            - name: PROFILE
              value: "prod"
            # 数据库配置
            - name: DB_HOST
              value: "mysql.erp.svc.cluster.local"
            - name: DB_PORT
              value: "3306"
            - name: DB_NAME
              value: "erp_db"
            - name: DB_USER
              valueFrom:
                secretKeyRef:
                  name: erp-db-secret
                  key: username
            - name: DB_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: erp-db-secret
                  key: password
            # Redis配置
            - name: REDIS_HOST
              value: "redis.erp.svc.cluster.local"
            - name: REDIS_PORT
              value: "6379"
            - name: REDIS_PASSWORD
              valueFrom:
                secretKeyRef:
                  name: erp-redis-secret
                  key: password
            # Feign服务URL
            - name: STOCK_SERVICE_URL
              value: "http://stock-service"
            - name: FINANCE_SERVICE_URL
              value: "http://finance-service"
            - name: PLATFORM_SYNC_URL
              value: "http://platform-sync-service"
            # JVM配置
            - name: JAVA_OPTS
              value: "-Xms512m -Xmx1024m -XX:+UseG1GC -XX:MaxGCPauseMillis=200 -XX:+UnlockExperimentalVMOptions -XX:+UseContainerSupport"
          resources:
            requests:
              memory: "512Mi"
              cpu: "250m"
            limits:
              memory: "1Gi"
              cpu: "1000m"
          livenessProbe:
            httpGet:
              path: /actuator/health
              port: 8082
            initialDelaySeconds: 60
            periodSeconds: 10
            timeoutSeconds: 5
            failureThreshold: 3
          readinessProbe:
            httpGet:
              path: /actuator/health
              port: 8082
            initialDelaySeconds: 30
            periodSeconds: 5
            timeoutSeconds: 3
            failureThreshold: 3
          lifecycle:
            preStop:
              exec:
                command: ["sh", "-c", "sleep 5"]
          volumeMounts:
            - name: timezone
              mountPath: /etc/localtime
              readOnly: true
            - name: logs
              mountPath: /app/logs
      volumes:
        - name: timezone
          hostPath:
            path: /usr/share/zoneinfo/Asia/Shanghai
        - name: logs
          emptyDir: {}
---
apiVersion: v1
kind: Service
metadata:
  name: order-service
  namespace: erp
  labels:
    app: order-service
  annotations:
    prometheus.io/scrape: "true"
    prometheus.io/port: "8082"
    prometheus.io/path: "/actuator/prometheus"
spec:
  type: ClusterIP
  ports:
    - port: 8082
      targetPort: 8082
      protocol: TCP
      name: http
  selector:
    app: order-service
---
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: order-service-hpa
  namespace: erp
spec:
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: order-service
  minReplicas: 2
  maxReplicas: 10
  metrics:
    - type: Resource
      resource:
        name: cpu
        target:
          type: Utilization
          averageUtilization: 70
    - type: Resource
      resource:
        name: memory
        target:
          type: Utilization
          averageUtilization: 80
  behavior:
    scaleDown:
      stabilizationWindowSeconds: 300
      policies:
        - type: Percent
          value: 10
          periodSeconds: 60
    scaleUp:
      stabilizationWindowSeconds: 0
      policies:
        - type: Percent
          value: 100
          periodSeconds: 15
        - type: Pods
          value: 4
          periodSeconds: 15
      selectPolicy: Max
---
# ServiceMonitor for Prometheus
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: order-service-monitor
  namespace: erp
  labels:
    app: order-service
spec:
  selector:
    matchLabels:
      app: order-service
  endpoints:
    - port: http
      path: /actuator/prometheus
      interval: 15s