setup k8s external e2e tests

Makefile

@@ -107,10 +107,6 @@ integration-test: azuredisk
 integration-test-v2: azuredisk-v2
 	go test -v -timeout=30m ./test/integration --temp-use-driver-v2
 
-.PHONY: e2e-test
-e2e-test:
-	go test -v -timeout=0 ./test/e2e ${GINKGO_FLAGS}
-
 .PHONY: e2e-bootstrap
 e2e-bootstrap: install-helm
 	docker pull $(IMAGE_TAG) || make container-all push-manifest
@@ -234,3 +230,10 @@ create-metrics-svc:
 delete-metrics-svc:
 	kubectl delete -f deploy/example/metrics/csi-azuredisk-controller-svc.yaml --ignore-not-found
 
+.PHONY: e2e-test
+e2e-test:
+	if [ ! -z "$(EXTERNAL_E2E_TEST)" ]; then \
+		bash ./test/external-e2e/run.sh;\
+	else \
+		go test -v -timeout=0 ./test/e2e ${GINKGO_FLAGS};\
+	fi

test/external-e2e/run.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+# Copyright 2021 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# 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.
+
+# Ensure that we have the desired version of the ginkgo test runner.
+
+PROJECT_ROOT=$(git rev-parse --show-toplevel)
+
+install_ginkgo () {
+    apt update -y
+    apt install -y golang-ginkgo-dev
+}
+
+setup_e2e_binaries() {
+    mkdir /tmp/csi-azuredisk
+
+    # download k8s external e2e binary for kubernetes v1.19
+    curl -sL https://storage.googleapis.com/kubernetes-release/release/v1.19.0/kubernetes-test-linux-amd64.tar.gz --output e2e-tests.tar.gz
+    tar -xvf e2e-tests.tar.gz && rm e2e-tests.tar.gz
+
+    # install the azuredisk-csi-driver driver
+    make e2e-bootstrap
+}
+
+install_ginkgo
+setup_e2e_binaries
+
+ginkgo -p --progress --v -focus='External.Storage.*disk.csi.azure.com' \
+       -skip='\[Disruptive\]|\[Slow\]|\[Feature:VolumeSnapshotDataSource\]' kubernetes/test/bin/e2e.test -- \
+       -storage.testdriver=$PROJECT_ROOT/test/external-e2e/manifest/testdriver.yaml \
+       --kubeconfig=$KUBECONFIG