---
apiVersion: appmesh.k8s.aws/v1beta2
kind: VirtualNode
metadata:
  name: ${MICROSERVICE_NAME}-${CANARY_VERSION}
  namespace: ${KUBERNETES_NAMESPACE}
spec:
  awsName: ${MICROSERVICE_NAME}-${CANARY_VERSION}-virtual-node
  podSelector:
    matchLabels:
      app: ${MICROSERVICE_NAME}
      version: "${CANARY_VERSION}"
  listeners:
    - portMapping:
        port: 80
        protocol: http
      healthCheck:
        healthyThreshold: 2
        intervalMillis: 5000
        path: "/"
        port: 80
        protocol: "http"
        timeoutMillis: 2000
        unhealthyThreshold: 2
  logging:
    accessLog:
      file:
        path: /dev/stdout
  serviceDiscovery:
    dns:
      hostname: ${MICROSERVICE_NAME}-${CANARY_VERSION}.${KUBERNETES_NAMESPACE}.svc.cluster.local
  backends:
    - virtualService:
       virtualServiceRef:
          name: yelb-appserver
---
apiVersion: appmesh.k8s.aws/v1beta2
kind: VirtualRouter
metadata:
  namespace: ${KUBERNETES_NAMESPACE}
  name: ${MICROSERVICE_NAME}
spec:
  awsName: ${MICROSERVICE_NAME}-virtual-router
  listeners:
    - portMapping:
        port: 80
        protocol: http
  routes:
    - name: route-to-${MICROSERVICE_NAME}
      httpRoute:
        match:
          prefix: /
        action:
          weightedTargets: [${CANARY_ROUTES}]
        retryPolicy:
            maxRetries: 2
            perRetryTimeout:
                unit: ms
                value: 2000
            httpRetryEvents:
                - server-error
                - client-error
                - gateway-error
---
apiVersion: appmesh.k8s.aws/v1beta2
kind: VirtualService
metadata:
  name: ${MICROSERVICE_NAME}
  namespace: ${KUBERNETES_NAMESPACE}
spec:
  awsName: ${MICROSERVICE_NAME}
  provider:
    virtualNode:
      virtualNodeRef:
        name: ${MICROSERVICE_NAME}
---
apiVersion: v1
kind: Service
metadata:
  namespace: ${KUBERNETES_NAMESPACE}
  name: ${MICROSERVICE_NAME}-${CANARY_VERSION}
  labels:
    app: ${MICROSERVICE_NAME}
    version: "${CANARY_VERSION}"
    tier: frontend
spec:
  type: LoadBalancer
  ports:
    - port: 80
      name: http
      protocol: TCP
      targetPort: 80
  selector:
    app: ${MICROSERVICE_NAME}
    version: "${CANARY_VERSION}"
    tier: frontend
---
apiVersion: apps/v1
kind: Deployment
metadata:
  namespace: ${KUBERNETES_NAMESPACE}
  name: ${MICROSERVICE_NAME}-${CANARY_VERSION}
spec:
  replicas: 1
  selector:
    matchLabels:
      app: ${MICROSERVICE_NAME}
      version: "${CANARY_VERSION}"
      tier: frontend
  template:
    metadata:
      labels:
        app: ${MICROSERVICE_NAME}
        version: "${CANARY_VERSION}"
        tier: frontend
    spec:
      containers:
        - name: ${MICROSERVICE_NAME}
          image: ${CONTAINER_IMAGE}
          ports:
            - containerPort: 80
---
apiVersion: v1
kind: Service
metadata:
  namespace: ${KUBERNETES_NAMESPACE}
  name: ${MICROSERVICE_NAME} # used to provide a DNS entry for ${MICROSERVICE_NAME} VS
spec:
  ports:
    - port: 80
      name: http