Merge pull request #33829 from gmarek/stop

cluster/gke/make-it-stop.sh

+#!/bin/bash
+
+# Copyright 2016 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.
+
+echo "This is NOT a production-ready tool.\n\
+IT'S A HACKY, BEST-EFFORT WAY TO \"STOP\" CREATION OF THE GKE CLUSTER."
+read -n 1 -p "Are you sure you want to proceed (y/N)?: " decision
+echo ""
+if [[ "${decision}" != "y" ]]; then
+	echo "Aborting..."
+	exit 0
+fi
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+KUBE_ROOT=$(dirname "${BASH_SOURCE}")/../..
+
+if [ -f "${KUBE_ROOT}/cluster/env.sh" ]; then
+    source "${KUBE_ROOT}/cluster/env.sh"
+fi
+
+source "${KUBE_ROOT}/cluster/gke/util.sh"
+STAGING_ENDPOINT="CLOUDSDK_API_ENDPOINT_OVERRIDES_CONTAINER=https://staging-container.sandbox.googleapis.com/"
+
+detect-project
+cluster=$(gcloud container operations list "--project=${PROJECT}" | grep "CREATE_CLUSTER" | grep "RUNNING" || true)
+if [ -z "${cluster}" ]; then
+	echo "Couldn't find any cluster being created in production environment. Trying staging..."
+	cluster=$(env ${STAGING_ENDPOINT} gcloud container operations list "--project=${PROJECT}" | grep "CREATE_CLUSTER" | grep "RUNNING" || true)
+fi
+
+if [ -z "${cluster}" ]; then
+	echo "No cluster creation in progress found. Aborting."
+	exit 0
+fi
+
+zone=$(echo "${cluster}" | tr -s "[:blank:]" | cut -f3 -d" ")
+cluster_name=$(echo "${cluster}" | tr -s "[:blank:]" | cut -f4 -d" ")
+gcloud="gcloud"
+if [ "${zone}" == "us-east1-a" ]; then
+	gcloud="env ${STAGING_ENDPOINT} gcloud"
+fi
+
+migs=$(${gcloud} compute instance-groups managed list --project=${PROJECT} --zones=${zone} | grep "gke-${cluster_name}" | cut -f1 -d" ")
+echo "Managed instance groups for cluster ${cluster_name}: ${migs}"
+for mig in ${migs}; do
+	echo "Resizing ${mig}..."
+	${gcloud} compute instance-groups managed resize --project="${PROJECT}" --zone="${zone}" "${mig}" --size=1
+done
+
+echo "All managed instance groups resized to 1. Cluster creation operation should end soon, and you will be be able to delete the cluster."