Merge pull request #482 from aleksandra-malinowska/cherry-pick-safety…

…-net

Extra checks when pushing an image to gcr repository

cluster-autoscaler/Makefile

@@ -27,7 +27,7 @@ ifndef REGISTRY
  $(ERR)
 endif
  docker build --pull -t ${REGISTRY}/cluster-autoscaler:${TAG} .
- gcloud docker -- push ${REGISTRY}/cluster-autoscaler:${TAG}
+ ./push_image.sh ${REGISTRY}/cluster-autoscaler:${TAG}
 
 clean:
  rm -f cluster-autoscaler

cluster-autoscaler/push_image.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+
+# Copyright 2017 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.
+
+IMAGE_TO_PUSH=$1
+if [ -z $IMAGE_TO_PUSH ]; then
+ echo No image passed
+ exit 1
+fi
+
+echo "About to push image $IMAGE_TO_PUSH"
+read -r -p "Are you sure? [y/N] " response
+if [[ "$response" =~ ^([yY])+$ ]]; then
+ gcloud docker -- pull $IMAGE_TO_PUSH
+ if [ $? -eq 0 ]; then
+ echo $IMAGE_TO_PUSH already exists
+ exit 1
+ fi
+ gcloud docker -- push $IMAGE_TO_PUSH
+else
+ echo Aborted
+ exit 1
+fi