azure: Add test for key release in kbs

Fixes: #1785
Signed-off-by: Kartik Joshi <kartikjoshi@microsoft.com>

src/cloud-api-adaptor/test/e2e/azure_test.go

@@ -6,6 +6,7 @@
 package e2e
 
 import (
+	"os"
 	"testing"
 
 	_ "github.com/confidential-containers/cloud-api-adaptor/src/cloud-api-adaptor/test/provisioner/azure"
@@ -40,3 +41,11 @@ func TestCreateNginxDeploymentAzure(t *testing.T) {
 	t.Parallel()
 	DoTestNginxDeployment(t, testEnv, assert)
 }
+
+func TestKbsKeyRelease(t *testing.T) {
+	if os.Getenv("DEPLOY_KBS") == "false" || os.Getenv("DEPLOY_KBS") == "no" {
+		t.Skip("Skipping kbs related test as kbs is not deployed")
+	}
+	t.Parallel()
+	DoTestKbsKeyRelease(t, testEnv, assert)
+}

src/cloud-api-adaptor/test/e2e/common_suite.go

@@ -572,3 +572,26 @@ func DoTestPodsMTLSCommunication(t *testing.T, e env.Environment, assert CloudAs
 	NewTestCase(t, e, "TestPodsMTLSCommunication", assert, "Pods communication with mTLS").WithPod(serverPod).WithExtraPods(extraPods).WithConfigMap(configMap).WithService(nginxSvc).WithSecret(serverSecret).WithExtraSecrets(extraSecrets).Run()
 
 }
+
+func DoTestKbsKeyRelease(t *testing.T, e env.Environment, assert CloudAssert) {
+
+	log.Info("Do test kbs key release")
+	pod := NewBusyboxPodWithName(E2eNamespace, "busybox-wget")
+	testCommands := []TestCommand{
+		{
+			Command:       []string{"wget", "-q", "-O-", "http://127.0.0.1:8006/cdh/resource/reponame/workload_key/key.bin"},
+			ContainerName: pod.Spec.Containers[0].Name,
+			TestCommandStdoutFn: func(stdout bytes.Buffer) bool {
+				if strings.Contains(stdout.String(), "This is my cluster name") {
+					log.Infof("Success to get key.bin %s", stdout.String())
+					return true
+				} else {
+					log.Errorf("Failed to access key.bin: %s", stdout.String())
+					return false
+				}
+			},
+		},
+	}
+
+	NewTestCase(t, e, "KbsKeyReleasePod", assert, "Kbs key release is successful").WithPod(pod).WithTestCommands(testCommands).Run()
+}