test: dump the namespace content when e2e test cases failed (#571)

* chore: fix the count field type in apisix client

* fix: show k8s nodes

* change: kind version

.github/workflows/e2e-test-ci.yml

@@ -73,7 +73,7 @@ jobs:
           submodules: recursive
       - name: Install kind
         run: |
-          curl -Lo ./kind https://kind.sigs.k8s.io/dl/v0.10.0/kind-linux-amd64
+          curl -Lo ./kind https://kind.sigs.k8s.io/dl/v0.11.1/kind-linux-amd64
           chmod +x ./kind
           sudo mv kind /usr/local/bin
       - name: Setup Go Env
@@ -84,6 +84,10 @@ jobs:
         run: |
           go get -u github.com/onsi/ginkgo/ginkgo
           sudo cp ~/go/bin/ginkgo /usr/local/bin
+      - name: Create K8s cluster
+        run: |
+          make kind-up
+          kubectl wait --for=condition=Ready nodes --all
       - name: Run e2e test cases
         working-directory: ./
         run: |

test/e2e/scaffold/k8s.go

@@ -150,12 +150,12 @@ func (s *Scaffold) ensureNumApisixCRDsCreated(url string, desired int) error {
 			ginkgo.GinkgoT().Logf("got status code %d from APISIX", resp.StatusCode)
 			return false, nil
 		}
-		c := &counter{}
+		var c counter
 		b, err := ioutil.ReadAll(resp.Body)
 		if err != nil {
 			return false, err
 		}
-		err = json.Unmarshal(b, c)
+		err = json.Unmarshal(b, &c)
 		if err != nil {
 			return false, err
 		}

test/e2e/scaffold/scaffold.go

@@ -299,6 +299,19 @@ func (s *Scaffold) beforeEach() {
 
 func (s *Scaffold) afterEach() {
 	defer ginkgo.GinkgoRecover()
+
+	if ginkgo.CurrentGinkgoTestDescription().Failed {
+		fmt.Fprintln(ginkgo.GinkgoWriter, "Dumping namespace contents")
+		output, _ := k8s.RunKubectlAndGetOutputE(ginkgo.GinkgoT(), s.kubectlOptions, "get", "deploy,sts,svc,pods")
+		if output != "" {
+			fmt.Fprintln(ginkgo.GinkgoWriter, output)
+		}
+		output, _ = k8s.RunKubectlAndGetOutputE(ginkgo.GinkgoT(), s.kubectlOptions, "describe", "pods")
+		if output != "" {
+			fmt.Fprintln(ginkgo.GinkgoWriter, output)
+		}
+	}
+
 	err := k8s.DeleteNamespaceE(s.t, s.kubectlOptions, s.namespace)
 	assert.Nilf(ginkgo.GinkgoT(), err, "deleting namespace %s", s.namespace)