Merge pull request #45109 from rootfs/azure-e2e-pr

Automatic merge from submit-queue (batch tested with PRs 44044, 44766, 44930, 45109, 43301)

e2e test: test azure disk volume

**What this PR does / why we need it**:
E2E test Azure disk volume
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**:
@kubernetes/sig-testing-pr-reviews 

**Release note**:
```release-note
NONE
```

hack/ginkgo-e2e.sh

@@ -29,6 +29,7 @@ e2e_test=$(kube::util::find-binary "e2e.test")
 # --- Setup some env vars.
 
 GINKGO_PARALLEL=${GINKGO_PARALLEL:-n} # set to 'y' to run tests in parallel
+CLOUD_CONFIG=${CLOUD_CONFIG:-""}
 
 # If 'y', Ginkgo's reporter will not print out in color when tests are run
 # in parallel
@@ -97,6 +98,13 @@ if [[ "${KUBERNETES_PROVIDER}" == "gke" ]]; then
   NODE_INSTANCE_GROUP=$(kube::util::join , "${NODE_INSTANCE_GROUPS[@]}")
 fi
 
+if [[ "${KUBERNETES_PROVIDER}" == "azure" ]]; then
+    if [[ ${CLOUD_CONFIG} == "" ]]; then
+        echo "Missing azure cloud config"
+        exit 1
+    fi
+fi
+
 ginkgo_args=()
 if [[ -n "${CONFORMANCE_TEST_SKIP_REGEX:-}" ]]; then
   ginkgo_args+=("--skip=${CONFORMANCE_TEST_SKIP_REGEX}")
@@ -137,6 +145,7 @@ export PATH=$(dirname "${e2e_test}"):"${PATH}"
   --gke-cluster="${CLUSTER_NAME:-}" \
   --kube-master="${KUBE_MASTER:-}" \
   --cluster-tag="${CLUSTER_ID:-}" \
+  --cloud-config-file="${CLOUD_CONFIG:-}" \
   --repo-root="${KUBE_ROOT}" \
   --node-instance-group="${NODE_INSTANCE_GROUP:-}" \
   --prefix="${KUBE_GCE_INSTANCE_PREFIX:-e2e}" \

hack/verify-flags/known-flags.txt

@@ -97,6 +97,7 @@ clientset-name
 clientset-only
 clientset-path
 cloud-config
+cloud-config-file
 cloud-provider
 cloud-provider-gce-lb-src-cidrs
 cluster-cidr