star_demo.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: client
  namespace: alcide-demo
  labels:
    app: client
spec:
  replicas: 1
  selector:
    matchLabels:
      app: client
  template:
    metadata:
      labels:
        app: client
    spec:
      containers:
      - name: listener
        image: gophernet/netcat
        command:
          - sh
          - "-c"
          - 'while true ; do nc -k -l -p 9000 ; done'
      - name: connector
        image: gophernet/netcat
        ports:
        - containerPort: 9000
        command:
          - sh
          - "-c"
          - 'while true ; do sleep 10 ;
          echo "Hello from client" | nc -w 2 frontend-svc 9000 || true ;
          echo "Hello from client" | nc -w 2 backend-svc 9000 || true ; done'


---

apiVersion: v1
kind: Service
metadata:
  name: client-svc
  namespace: alcide-demo
spec:
  selector:
    app: client
  ports:
    - protocol: TCP
      port: 9000
      targetPort: 9000

---

apiVersion: apps/v1
kind: Deployment
metadata:
  name: frontend
  namespace: alcide-demo
  labels:
    app: frontend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: frontend
  template:
    metadata:
      labels:
        app: frontend
    spec:
      containers:
      - name: listener
        image: gophernet/netcat
        ports:
        - containerPort: 9000
        command:
          - sh
          - "-c"
          - 'while true ; do nc -k -l -p 9000 ; done'
      - name: connector
        image: gophernet/netcat
        command:
          - sh
          - "-c"
          - 'while true ; do sleep 10 ;
          echo "Hello from frontend" | nc -w 2 client-svc 9000 || true ;
          echo "Hello from frontend" | nc -w 2 backend-svc 9000 || true ; done'


---


apiVersion: v1
kind: Service
metadata:
  name: frontend-svc
  namespace: alcide-demo
spec:
  selector:
    app: frontend
  ports:
    - protocol: TCP
      port: 9000
      targetPort: 9000




---

apiVersion: apps/v1
kind: Deployment
metadata:
  name: backend
  namespace: alcide-demo
  labels:
    app: backend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: backend
  template:
    metadata:
      labels:
        app: backend
    spec:
      containers:
      - name: listener
        image: gophernet/netcat
        ports:
        - containerPort: 9000
        command:
          - sh
          - "-c"
          - 'while true ; do nc -k -l -p 9000 ; done'
      - name: connector
        image: gophernet/netcat
        command:
          - sh
          - "-c"
          - 'while true ; do sleep 10 ;
          echo "Hello from backend" | nc -w 2 client-svc 9000 || true ;
          echo "Hello from backend" | nc -w 2 frontend-svc 9000 || true ; done'


---


apiVersion: v1
kind: Service
metadata:
  name: backend-svc
  namespace: alcide-demo
spec:
  selector:
    app: backend
  ports:
    - protocol: TCP
      port: 9000
      targetPort: 9000