POD + 服务 Kubernetes Hoverfly

Question

I am trying to deploy this configuration on a k8s cluster:

apiVersion: v1
kind: ConfigMap
metadata:
  name: simulations-test
  labels: 
    mock-services: "true"
data:
  simulations-test.json: |
    {
      "data":{
          "pairs":[
            {
                "request":{
                  "path":[
                      {
                        "matcher":"glob",
                        "value":"*/b2io60000082"
                      }
                  ]
                },
                "response":{
                  "status":200,
                  "body":"...",
                  "encodedBody":false,
                  "headers":{
                      "Content-Type":[
                        "application/json"
                      ]
                  }
                },
                "templated":false
            },
            {
                "request":{
                  "path":[
                      {
                        "matcher":"glob",
                        "value":"*/b2io60000080"
                      }
                  ]
                },
                "response":{
                  "status":404,
                  "body":"",
                  "encodedBody":false,
                  "headers":{
                      "Content-Type":[
                        "text/plain"
                      ]
                  }
                },
                "templated":false
            }
          ]
      },
      "meta":{
          "schemaVersion":"v5",
          "hoverflyVersion":"v1.0.0"
      }
    }

---

apiVersion: v1
kind: Pod
metadata:
  name: test-mock
  labels:
    mock-services: "test"
spec:
  containers:
  - name: test-mock
    image: spectolabs/hoverfly:latest
    volumeMounts:
    - mountPath: /simulations/
      name: simulations-test
    command: ["hoverfly", "-webserver", "-import", "/simulations/simulations-test.json"]
  volumes:
  - name: simulations-test
    configMap:
      name: simulations-test

---

apiVersion: v1
kind: Service
metadata:
  labels:
  name: test-mock-service
spec:
  ports:
    - name: "admin"
      port: 8888
      protocol: TCP
      targetPort: 8888
    - name: "proxy"
      protocol: TCP
      port: 8500
      targetPort: 8500
  selector:
    mock-service: "test"

When I run this:

kubectl apply -f mock-service.yaml -n mock

Result:

configmap/simulations-test created
pod/test-mock created
service/test-mock-service created

But when I try to access the service with http://test-mock-service.mock.svc.cluster.local:8500/b2io60000082 , EVEN INSIDE THE POD, I got connection refused!

Inside the pod I ran:

/ # netstat -tulpn
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name
tcp        0      0 127.0.0.1:8500          0.0.0.0:*               LISTEN      1/hoverfly
tcp        0      0 127.0.0.1:8888          0.0.0.0:*               LISTEN      1/hoverfly

I tried also to put in a deployment and I had the same result.

TKS!

UPDATE #1

When I try to do a port-forward, it works:

k port-forward test-mock 8888:8888 8500:8500 -n mock

Result:

Forwarding from 127.0.0.1:8888 -> 8888
Forwarding from [::1]:8888 -> 8888
Forwarding from 127.0.0.1:8500 -> 8500
Forwarding from [::1]:8500 -> 8500
Handling connection for 8500
Handling connection for 8500

Answer 1

Since you have targetPort: 8500 in the service the container inside the pod need to listen on port 8500 .

The label in service is mock-service: test but in pod mock-services: true . They need to match.

apiVersion: v1
kind: Pod
metadata:
  name: test-mock
  labels:
    mock-services: "test"
spec:
  containers:
  - name: test-mock
    image: spectolabs/hoverfly:latest
    ports:
    - containerPort: 8500
    volumeMounts:
    - mountPath: /simulations/
      name: simulations-test
    command: ["hoverfly", "-webserver", "-import", "/simulations/simulations-test.json"]
  volumes:
  - name: simulations-test
    configMap:
      name: simulations-test

Also make sure the app is listening on 0.0.0.0. instead of 127.0.0.1