Enterprise Distributed Application Service:Use toolkit-maven-plugin to perform a canary release in a Kubernetes cluster

  liveness:
    exec:
      command:
        - cat
        - /tmp/healthy
    tcpSocket:
      host: "192.168.1.109"  # (Optional) Defaults to the pod IP address
      port: "8080"
    httpGet:
      path: "/health"
      port: "8080"
      host: "192.168.1.109"  # (Optional) Defaults to the pod IP address
      scheme: "HTTP"       # HTTP or HTTPS
      httpHeaders:
        - name: "Custom-Header"
          value: "value"
    initialDelaySeconds: 5   # Seconds before the first check
    timeoutSeconds: 11       # Seconds before a check times out
    periodSeconds: 5         # Seconds between checks
    successThreshold: 1      # Must be 1 for liveness probes
    failureThreshold: 3      # Consecutive failures before action

  readiness:
    exec:
      command:
        - cat
        - /tmp/healthy
    tcpSocket:
      host: "192.168.1.109"  # (Optional) Defaults to the pod IP address
      port: "8080"
    httpGet:
      path: "/health"
      port: "8080"
      host: "192.168.1.109"  # (Optional) Defaults to the pod IP address
      scheme: "HTTP"
      httpHeaders:
        - name: "Custom-Header"
          value: "value"
    initialDelaySeconds: 5
    timeoutSeconds: 11
    periodSeconds: 5
    successThreshold: 2
    failureThreshold: 3

  preStop:          # Runs before the container is terminated
    exec:
      command:
        - /bin/bash
        - -c
        - "sleep 30"
    httpGet:
      host: "192.168.1.109"  # (Optional) Defaults to the pod IP address
      path: "/shutdown"
      port: "8080"
      scheme: "HTTP"         # HTTP or HTTPS
      httpHeaders:
        - name: "Custom-Header"
          value: "value"

  postStart:        # Runs after the container starts
    exec:
      command:
        - /bin/bash
        - -c
        - "echo started"
    httpGet:
      host: "192.168.1.109"  # (Optional) Defaults to the pod IP address
      path: "/initialize"
      port: "8080"
      scheme: "HTTP"         # HTTP or HTTPS
      httpHeaders:
        - name: "Custom-Header"
          value: "value"

  configMountDescs:
    - type: "ConfigMap"           # ConfigMap or Secret
      name: "my-config"
      mountPath: "/home/admin"    # Mount directory
      mountItems:                 # Mount as individual files
        - key: "config-key"
          path: "config-file"
      useSubPath: true            # true: keep existing files; false: overwrite

  javaStartUpConfig:
    initialHeapSize:             # -Xms (initial heap size, MB)
      original: 1000
      startup: "-Xms1000m"
    maxHeapSize:                 # -Xmx (max heap size, MB)
      original: 1000
      startup: "-Xmx1000m"
    newSize:                     # -XX:NewSize (initial young generation, MB)
      original: 200
      startup: "-XX:NewSize=200m"
    maxNewSize:                  # -XX:MaxNewSize (max young generation, MB)
      original: 200
      startup: "-XX:MaxNewSize=200m"
    survivorRatio:               # -XX:SurvivorRatio (Eden to Survivor ratio)
      original: 2
      startup: "-XX:SurvivorRatio=2"
    newRatio:                    # -XX:NewRatio (old to young generation ratio)
      original: 8
      startup: "-XX:NewRatio=8"
    permSize:                    # -XX:PermSize (permanent generation, MB)
      original: 512
      startup: "-XX:PermSize=512m"
    maxPermSize:                 # -XX:MaxPermSize (max permanent generation, MB)
      original: 512
      startup: "-XX:MaxPermSize=200m"
    maxDirectMemorySize:         # -XX:MaxDirectMemorySize (MB)
      original: 100
      startup: "-XX:MaxDirectMemorySize=100m"
    threadStackSize:             # -XX:ThreadStackSize
      original: 500
      startup: "-XX:ThreadStackSize=500"
    hsfserverPort:               # HSF server port
      original: 12200
      startup: "-Dhsf.server.port=12200"
    hsfserverMinPoolSize:        # HSF minimum thread pool size
      original: 50
      startup: "-Dhsf.server.min.poolsize=50"
    hsfserverMaxPoolSize:        # HSF maximum thread pool size
      original: 720
      startup: "-Dhsf.server.max.poolsize=720"
    youngGarbageCollector:       # Young generation GC policy
      original: "UseSerialGC"   # UseSerialGC, UseG1GC, UseParNewGC, or UseParallelGC
      startup: "-XX:+UseSerialGC"
    oldGarbageCollector:         # Old generation GC policy
      original: "UseConcMarkSweepGC"   # UseConcMarkSweepGC, UseSerialGC, UseG1GC, UseParNewGC, UseParallelOldGC, or UseParallelGC
      startup: "-XX:+UseConcMarkSweepGC"
    concGCThreads:               # Concurrent GC threads
      original: 5
      startup: "-XX:ConcGCThreads=5"
    parallelGCThreads:           # Parallel GC threads
      original: 5
      startup: "-XX:ParallelGCThreads=5"
    g1HeapRegionSize:            # G1 region size (MB)
      original: 50
      startup: "-XX:G1HeapRegionSize=50m"
    gclogFilePath:               # GC log directory
      original: "/tmp/"
      startup: "-Xloggc:/tmp/"
    useGCLogFileRotation:        # Enable GC log rotation
      original: true
      startup: "-XX:+UseGCLogFileRotation"
    numberOfGCLogFiles:          # Number of GC log files
      original: 5
      startup: "-XX:NumberOfGCLogFiles=5"
    gclogFileSize:               # GC log file size (MB)
      original: 100
      startup: "-XX:GCLogFileSize=100m"
    heapDumpOnOutOfMemoryError:  # Enable out-of-memory (OOM) heap dumps
      original: true
      startup: "-XX:+HeapDumpOnOutOfMemoryError"
    heapDumpPath:                # OOM dump file path
      original: "/tmp/dumpfile"
      startup: "-XX:HeapDumpPath=/tmp/dumpfile"
    customParams:                # Custom JVM parameters
      original: "-Dtest=true"
      startup: "-Dtest=true"

  deployAcrossZones: "true"    # Deploy pods across availability zones (recommended)
  deployAcrossNodes: "true"    # Deploy pods across nodes (recommended)

  customTolerations:           # Kubernetes scheduling tolerations
    - key: my-key
      operator: Exists         # Exists or Equal
      effect: NoSchedule       # NoSchedule or NoExecute
    - key: another-key
      operator: Equal
      value: "my-value"
      effect: "NoExecute"
      tolerationSeconds: 300

  customAffinity:
    nodeAffinity:              # Schedule pods based on node labels
      requiredDuringSchedulingIgnoredDuringExecution:
        nodeSelectorTerms:
          - matchExpressions:
              - key: "topology.kubernetes.io/zone"
                operator: "In"
                values:
                  - "cn-hangzhou-a"
      preferredDuringSchedulingIgnoredDuringExecution:
        - weight: 1
          preference:
            matchExpressions:
              - key: "topology.kubernetes.io/zone"
                operator: "In"
                values:
                  - "cn-hangzhou-b"
    podAffinity:               # Co-locate pods with matching pods
      requiredDuringSchedulingIgnoredDuringExecution:
        - namespaces:
            - "default"
          topologyKey: "topology.kubernetes.io/zone"
          labelSelector:
            matchExpressions:
              - key: "app"
                operator: "In"
                values:
                  - "my-app"
    podAntiAffinity:           # Spread pods away from matching pods
      requiredDuringSchedulingIgnoredDuringExecution:
        - namespaces:
            - "default"
          topologyKey: "kubernetes.io/hostname"
          labelSelector:
            matchExpressions:
              - key: "app"
                operator: "In"
                values:
                  - "my-app"
      preferredDuringSchedulingIgnoredDuringExecution:
        - weight: 2
          podAffinityTerm:
            namespaces:
              - "default"
            topologyKey: "kubernetes.io/hostname"
            labelSelector:
              matchExpressions:
                - key: "app"
                  operator: "In"
                  values:
                    - "my-app"