Merge pull request #18238 from ihmccreery/run-is-up

hack/jenkins/e2e.sh

@@ -1268,6 +1268,8 @@ fi
 # Jenkins will look at the junit*.xml files for test failures, so don't exit
 # with a nonzero error code if it was only tests that failed.
 if [[ "${E2E_TEST,,}" == "true" ]]; then
+    # Check to make sure the cluster is up before running tests, and fail if it's not.
+    go run ./hack/e2e.go ${E2E_OPT} -v --isup
     go run ./hack/e2e.go ${E2E_OPT} -v --test --test_args="${GINKGO_TEST_ARGS}" && exitcode=0 || exitcode=$?
     if [[ "${E2E_PUBLISH_GREEN_VERSION:-}" == "true" && ${exitcode} == 0 && -n ${githash:-} ]]; then
         echo "publish githash to ci/latest-green.txt: ${githash}"