Use container name in port discovery

If the port name is missing, append the container name to the tcp port name

pkg/canary/deployer.go

@@ -367,7 +367,7 @@ func (c *Deployer) getPorts(deployment *appsv1.Deployment, canaryPort int32) (ma
 			if p.ContainerPort == canaryPort {
 				continue
 			}
-			name := fmt.Sprintf("tcp-%v", i)
+			name := fmt.Sprintf("tcp-%s-%v", container.Name, i)
 			if p.Name != "" {
 				name = p.Name
 			}

pkg/controller/scheduler_test.go

@@ -361,7 +361,7 @@ func TestScheduler_PortDiscovery(t *testing.T) {
 		case
 			"http 9898",
 			"http-metrics 8080",
-			"tcp-2 8888":
+			"tcp-podinfo-2 8888":
 			return true
 		}
 		return false