Squashed 'release-tools/' changes from e4dab7f..ab0b0a3

kubernetes-csi/csi-release-tools@ab0b0a3d Merge kubernetes-csi/csi-release-tools#192 from andyzhangx/patch-1
kubernetes-csi/csi-release-tools@7bbab24e Merge kubernetes-csi/csi-release-tools#196 from humblec/non-alpha
kubernetes-csi/csi-release-tools@e51ff2cc introduce control variable for non alpha feature gate configuration
kubernetes-csi/csi-release-tools@ca19ef52 Merge kubernetes-csi/csi-release-tools#195 from pohly/fix-alpha-testing
kubernetes-csi/csi-release-tools@3948331e fix testing with latest Kubernetes
kubernetes-csi/csi-release-tools@9a0260c5 fix boilerplate header

git-subtree-dir: release-tools
git-subtree-split: ab0b0a3

go-get-kubernetes.sh

@@ -13,7 +13,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-#
+
 # This script can be used while converting a repo from "dep" to "go mod"
 # by calling it after "go mod init" or to update the Kubernetes packages
 # in a repo that has already been converted. Only packages that are

prow.sh

@@ -196,7 +196,7 @@ kindest/node:v1.14.10@sha256:f8a66ef82822ab4f7569e91a5bccaf27bceee135c1457c512e5
 # If the deployment script is called with CSI_PROW_TEST_DRIVER=<file name> as
 # environment variable, then it must write a suitable test driver configuration
 # into that file in addition to installing the driver.
-configvar CSI_PROW_DRIVER_VERSION "v1.3.0" "CSI driver version"
+configvar CSI_PROW_DRIVER_VERSION "v1.8.0" "CSI driver version"
 configvar CSI_PROW_DRIVER_REPO https://github.com/kubernetes-csi/csi-driver-host-path "CSI driver repo"
 configvar CSI_PROW_DEPLOYMENT "" "deployment"
 configvar CSI_PROW_DEPLOYMENT_SUFFIX "" "additional suffix in kubernetes-x.yy[suffix].yaml files"
@@ -346,9 +346,12 @@ configvar CSI_PROW_E2E_ALPHA "$(get_versioned_variable CSI_PROW_E2E_ALPHA "${csi
 # kubernetes-csi components must be updated, either by disabling
 # the failing test for "latest" or by updating the test and not running
 # it anymore for older releases.
-configvar CSI_PROW_E2E_ALPHA_GATES_LATEST 'GenericEphemeralVolume=true,CSIStorageCapacity=true' "alpha feature gates for latest Kubernetes"
+configvar CSI_PROW_E2E_ALPHA_GATES_LATEST '' "alpha feature gates for latest Kubernetes"
 configvar CSI_PROW_E2E_ALPHA_GATES "$(get_versioned_variable CSI_PROW_E2E_ALPHA_GATES "${csi_prow_kubernetes_version_suffix}")" "alpha E2E feature gates"
 
+configvar CSI_PROW_E2E_GATES_LATEST '' "non alpha feature gates for latest Kubernetes"
+configvar CSI_PROW_E2E_GATES "$(get_versioned_variable CSI_PROW_E2E_GATES "${csi_prow_kubernetes_version_suffix}")" "non alpha E2E feature gates"
+
 # Which external-snapshotter tag to use for the snapshotter CRD and snapshot-controller deployment
 default_csi_snapshotter_version () {
 	if [ "${CSI_PROW_KUBERNETES_VERSION}" = "latest" ] || [ "${CSI_PROW_DRIVER_CANARY}" = "canary" ]; then
@@ -1254,7 +1257,8 @@ main () {
         fi
 
         if tests_need_non_alpha_cluster; then
-            start_cluster || die "starting the non-alpha cluster failed"
+            # Need to (re)create the cluster.
+            start_cluster "${CSI_PROW_E2E_GATES}" || die "starting the non-alpha cluster failed"
 
             # Install necessary snapshot CRDs and snapshot controller
             install_snapshot_crds
@@ -1304,7 +1308,11 @@ main () {
             delete_cluster_inside_prow_job non-alpha
         fi
 
-        if tests_need_alpha_cluster && [ "${CSI_PROW_E2E_ALPHA_GATES}" ]; then
+        # If the cluster for alpha tests doesn't need any feature gates, then we
+        # could reuse the same cluster as for the other tests. But that would make
+        # the flow in this script harder and wouldn't help in practice because
+        # we have separate Prow jobs for alpha and non-alpha tests.
+        if tests_need_alpha_cluster; then
             # Need to (re)create the cluster.
             start_cluster "${CSI_PROW_E2E_ALPHA_GATES}" || die "starting alpha cluster failed"