Merge pull request #23649 from ihmccreery/release-pin

Create test job against release/latest on GKE

hack/jenkins/job-configs/kubernetes-jenkins/kubernetes-e2e.yaml

@@ -173,8 +173,7 @@
 - project:
     name: kubernetes-e2e-gke-master
     trigger-job: 'kubernetes-build'
-    test-owner: 'GKE on-call'
+    test-owner: 'Build Cop'
-    emails: '$DEFAULT_RECIPIENTS, cloud-kubernetes-alerts@google.com'
     provider-env: '{gke-provider-env}'
     suffix:
         - 'gke':
@@ -305,7 +304,7 @@
 - project:
     name: kubernetes-e2e-gke-1-2
     trigger-job: 'kubernetes-build-1.2'
-    test-owner: 'GKE on-call'
+    test-owner: 'Build Cop'
     provider-env: |
         {gke-provider-env}
         export JENKINS_PUBLISHED_VERSION="ci/latest-1.2"
@@ -353,6 +352,13 @@
     provider-env: |
         {gke-provider-env}
     suffix:
+        - 'gke-pre-release':
+            description: 'Run E2E tests on GKE test endpoint against the latest prerelease (alpha/beta).'
+            timeout: 480
+            job-env: |
+                export PROJECT="k8s-jkns-e2e-gke-prerel"
+                export CLOUDSDK_BUCKET="gs://cloud-sdk-testing/rc"
+                export JENKINS_PUBLISHED_VERSION="release/latest"
         - 'gke-test':
             description: 'Run E2E tests on GKE test endpoint.'
             timeout: 480
@@ -414,11 +420,10 @@
 - project:
     name: kubernetes-e2e-gke-1.1
     trigger-job: 'kubernetes-build-1.1'
-    test-owner: 'GKE on-call'
+    test-owner: 'Build Cop'
     branch: 'release-1.1'
     runner: '{old-runner-1-1}'
     post-env: ''
-    emails: '$DEFAULT_RECIPIENTS, cloud-kubernetes-alerts@google.com'
     suffix:
         - 'gke-1.1':
             timeout: 150