Revert "Cherry-Pick: GKE Integration Support into Release-0.5.X"

test/k8s-integration/main.go

@@ -39,8 +39,6 @@ var (
 	kubeVersion      = flag.String("kube-version", "master", "version of Kubernetes to download and use")
 	kubeFeatureGates = flag.String("kube-feature-gates", "", "feature gates to set on new kubernetes cluster")
 	localK8sDir      = flag.String("local-k8s-dir", "", "local kubernetes/kubernetes directory to run e2e tests from")
-	deploymentStrat  = flag.String("deployment-strategy", "gce", "choose between deploying on gce or gke")
-	gkeClusterVer    = flag.String("gke-cluster-version", "latest", "version of Kubernetes master and node for gke")
 
 	// Test infrastructure flags
 	boskosResourceType = flag.String("boskos-resource-type", "gce-project", "name of the boskos resource type to reserve")
@@ -61,7 +59,6 @@ var (
 const (
 	pdImagePlaceholder = "gke.gcr.io/gcp-compute-persistent-disk-csi-driver"
 	k8sBuildBinDir     = "_output/dockerized/bin/linux/amd64"
-	gkeTestClusterName = "gcp-pd-csi-driver-test-cluster"
 )
 
 func init() {
@@ -102,10 +99,6 @@ func main() {
 		glog.Fatalf("gce-zone is a required flag")
 	}
 
-	if *deploymentStrat == "gke" && *migrationTest {
-		glog.Fatalf("Cannot set deployment strategy to 'gke' for migration tests.")
-	}
-
 	err := handle()
 	if err != nil {
 		glog.Fatalf("Failed to run integration test: %v", err)
@@ -203,38 +196,17 @@ func handle() error {
 			glog.V(4).Infof("Set Kubernetes feature gates: %v", *kubeFeatureGates)
 		}
 
-		switch *deploymentStrat {
-		case "gce":
-			err = clusterUpGCE(k8sDir, *gceZone)
-			if err != nil {
-				return fmt.Errorf("failed to cluster up: %v", err)
-			}
-		case "gke":
-			err = clusterUpGKE(*gceZone)
-			if err != nil {
-				return fmt.Errorf("failed to cluster up: %v", err)
-			}
-		default:
-			return fmt.Errorf("deployment-strategy must be set to 'gce' or 'gke', but is: %s", *deploymentStrat)
+		err = clusterUp(k8sDir, *gceZone)
+		if err != nil {
+			return fmt.Errorf("failed to cluster up: %v", err)
 		}
-
 	}
 
 	if *teardownCluster {
 		defer func() {
-			switch *deploymentStrat {
-			case "gce":
-				err := clusterDownGCE(k8sDir)
-				if err != nil {
-					glog.Errorf("failed to cluster down: %v", err)
-				}
-			case "gke":
-				err := clusterDownGKE(*gceZone)
-				if err != nil {
-					glog.Errorf("failed to cluster down: %v", err)
-				}
-			default:
-				glog.Errorf("deployment-strategy must be set to 'gce' or 'gke', but is: %s", *deploymentStrat)
+			err := clusterDown(k8sDir)
+			if err != nil {
+				glog.Errorf("failed to cluster down: %v", err)
 			}
 		}()
 	}
@@ -350,21 +322,11 @@ func runCommand(action string, cmd *exec.Cmd) error {
 	return nil
 }
 
-func clusterDownGCE(k8sDir string) error {
+func clusterDown(k8sDir string) error {
 	cmd := exec.Command(filepath.Join(k8sDir, "hack", "e2e-internal", "e2e-down.sh"))
-	err := runCommand("Bringing Down E2E Cluster on GCE", cmd)
-	if err != nil {
-		return fmt.Errorf("failed to bring down kubernetes e2e cluster on gce: %v", err)
-	}
-	return nil
-}
-
-func clusterDownGKE(gceZone string) error {
-	cmd := exec.Command("gcloud", "container", "clusters", "delete", gkeTestClusterName,
-		"--zone", gceZone, "--quiet")
-	err := runCommand("Bringing Down E2E Cluster on GKE", cmd)
+	err := runCommand("Bringing Down E2E Cluster", cmd)
 	if err != nil {
-		return fmt.Errorf("failed to bring down kubernetes e2e cluster on gke: %v", err)
+		return fmt.Errorf("failed to bring down kubernetes e2e cluster: %v", err)
 	}
 	return nil
 }
@@ -378,38 +340,15 @@ func buildKubernetes(k8sDir string) error {
 	return nil
 }
 
-func clusterUpGCE(k8sDir, gceZone string) error {
+func clusterUp(k8sDir, gceZone string) error {
 	err := os.Setenv("KUBE_GCE_ZONE", gceZone)
 	if err != nil {
 		return err
 	}
 	cmd := exec.Command(filepath.Join(k8sDir, "hack", "e2e-internal", "e2e-up.sh"))
-	err = runCommand("Starting E2E Cluster on GCE", cmd)
-	if err != nil {
-		return fmt.Errorf("failed to bring up kubernetes e2e cluster on gce: %v", err)
-	}
-
-	return nil
-}
-
-func clusterUpGKE(gceZone string) error {
-	out, err := exec.Command("gcloud", "container", "clusters", "list", "--zone", gceZone,
-		"--filter", fmt.Sprintf("name=%s", gkeTestClusterName)).CombinedOutput()
-	if err != nil {
-		return fmt.Errorf("failed to check for previous test cluster: %v %s", err, out)
-	}
-	if len(out) > 0 {
-		glog.Infof("Detected previous cluster %s. Deleting so a new one can be created...", gkeTestClusterName)
-		err = clusterDownGKE(gceZone)
-		if err != nil {
-			return err
-		}
-	}
-	cmd := exec.Command("gcloud", "container", "clusters", "create", gkeTestClusterName,
-		"--zone", gceZone, "--cluster-version", *gkeClusterVer, "--quiet")
-	err = runCommand("Staring E2E Cluster on GKE", cmd)
+	err = runCommand("Starting E2E Cluster", cmd)
 	if err != nil {
-		return fmt.Errorf("failed to bring up kubernetes e2e cluster on gke: %v", err)
+		return fmt.Errorf("failed to bring up kubernetes e2e cluster: %v", err)
 	}
 
 	return nil

test/run-k8s-integration-local.sh

@@ -4,10 +4,6 @@ set -o nounset
 set -o errexit
 
 readonly PKGDIR=${GOPATH}/src/sigs.k8s.io/gcp-compute-persistent-disk-csi-driver
-readonly deployment_strategy=${DEPLOYMENT_STRATEGY:-gce}
-readonly gke_cluster_version=${GKE_CLUSTER_VERSION:-latest}
-readonly kube_version=${KUBE_VERSION:-master}
-
 source "${PKGDIR}/deploy/common.sh"
 
 ensure_var GCE_PD_CSI_STAGING_IMAGE
@@ -18,9 +14,7 @@ make -C ${PKGDIR} test-k8s-integration
 # ${PKGDIR}/bin/k8s-integration-test --kube-version=master --run-in-prow=false \
 # --staging-image=${GCE_PD_CSI_STAGING_IMAGE} --service-account-file=${GCE_PD_SA_DIR}/cloud-sa.json \
 # --deploy-overlay-name=dev --storageclass-file=sc-standard.yaml \
-# --test-focus="External.Storage" --gce-zone="us-central1-b" \
-# --deployment-strategy=${deployment_strategy} --gke-cluster-version=${gke_cluster_version} \
-# --kube-version=${kube_version}
+# --test-focus="External.Storage" --gce-zone="us-central1-b"
 
 # This version of the command does not build the driver or K8s, points to a
 # local K8s repo to get the e2e.test binary, and does not bring up or down the cluster
@@ -29,5 +23,4 @@ ${PKGDIR}/bin/k8s-integration-test --kube-version=master --run-in-prow=false \
 --staging-image=${GCE_PD_CSI_STAGING_IMAGE} --service-account-file=${GCE_PD_SA_DIR}/cloud-sa.json \
 --deploy-overlay-name=dev --bringup-cluster=false --teardown-cluster=false --local-k8s-dir=$KTOP \
 --storageclass-file=sc-standard.yaml --do-driver-build=true  --test-focus="External.Storage" \
---gce-zone="us-central1-b" --gke-cluster-version=${gke_cluster_version} \
---kube-version=${kube_version}
+--gce-zone="us-central1-b"

test/run-k8s-integration.sh

@@ -13,16 +13,10 @@ readonly PKGDIR=${GOPATH}/src/sigs.k8s.io/gcp-compute-persistent-disk-csi-driver
 readonly overlay_name="${GCE_PD_OVERLAY_NAME:-stable}"
 readonly boskos_resource_type="${GCE_PD_BOSKOS_RESOURCE_TYPE:-gce-project}"
 readonly do_driver_build="${GCE_PD_DO_DRIVER_BUILD:-true}"
-readonly deployment_strategy=${DEPLOYMENT_STRATEGY:-gce}
-readonly gke_cluster_version=${GKE_CLUSTER_VERSION:-latest}
-readonly kube_version=${KUBE_VERSION:-master}
-
 export GCE_PD_VERBOSITY=9
 
 make -C ${PKGDIR} test-k8s-integration
 ${PKGDIR}/bin/k8s-integration-test --kube-version=${GCE_PD_KUBE_VERSION:-master} \
 --run-in-prow=true --deploy-overlay-name=${overlay_name} --service-account-file=${E2E_GOOGLE_APPLICATION_CREDENTIALS} \
 --do-driver-build=${do_driver_build} --boskos-resource-type=${boskos_resource_type} \
---storageclass-file=sc-standard.yaml --test-focus="External.Storage" --gce-zone="us-central1-b" \
---deployment-strategy=${deployment_strategy} --gke-cluster-version=${gke_cluster_version} \
---kube-version=${kube_version}
+--storageclass-file=sc-standard.yaml --test-focus="External.Storage" --gce-zone="us-central1-b"