Merge pull request #59973 from kawych/e2e

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Introduce e2e test for Stackdriver Metadata Agent

**What this PR does / why we need it**:
Introduce e2e test for Stackdriver Metadata Agent

**Release note**:
```release-note
None
```

cluster/addons/metadata-agent/stackdriver/metadata-agent-rbac.yaml

@@ -14,6 +14,8 @@ rules:
   - "*"
   verbs:
   - watch
+  - get
+  - list
 ---
 apiVersion: rbac.authorization.k8s.io/v1
 kind: ClusterRoleBinding

cluster/gce/config-default.sh

@@ -158,7 +158,7 @@ ENABLE_METRICS_SERVER="${KUBE_ENABLE_METRICS_SERVER:-true}"
 ENABLE_METADATA_AGENT="${KUBE_ENABLE_METADATA_AGENT:-none}"
 
 # Version tag of metadata agent
-METADATA_AGENT_VERSION="${KUBE_METADATA_AGENT_VERSION:-0.2-0.0.13-5-watch}"
+METADATA_AGENT_VERSION="${KUBE_METADATA_AGENT_VERSION:-0.2-0.0.16-1}"
 
 # One special node out of NUM_NODES would be created of this type if specified.
 # Useful for scheduling heapster in large clusters with nodes of small size.

cluster/gce/config-test.sh

@@ -146,6 +146,16 @@ ENABLE_CLUSTER_MONITORING="${KUBE_ENABLE_CLUSTER_MONITORING:-influxdb}"
 # TODO(piosz) remove this option once Metrics Server became a stable thing.
 ENABLE_METRICS_SERVER="${KUBE_ENABLE_METRICS_SERVER:-true}"
 
+# Optional: Metadata agent to setup as part of the cluster bring up:
+#   none        - No metadata agent
+#   stackdriver - Stackdriver metadata agent
+# Metadata agent is a daemon set that provides metadata of kubernetes objects
+# running on the same node for exporting metrics and logs.
+ENABLE_METADATA_AGENT="${KUBE_ENABLE_METADATA_AGENT:-none}"
+
+# Version tag of metadata agent
+METADATA_AGENT_VERSION="${KUBE_METADATA_AGENT_VERSION:-0.2-0.0.16-1}"
+
 # One special node out of NUM_NODES would be created of this type if specified.
 # Useful for scheduling heapster in large clusters with nodes of small size.
 HEAPSTER_MACHINE_TYPE="${HEAPSTER_MACHINE_TYPE:-}"