Add update provider hashes script (#402)

In order to ease provider hash updating and eliminated possible
mixing between provider hashes when updating manually.

Can be used also as part of an automation that would create diff
file, or actually update the images list.

Signed-off-by: Or Shoval <[email protected]>

CONTRIBUTING.md

@@ -28,4 +28,8 @@ make push
 ```
 
 After published, update cluster-up/cluster/images.sh with the gocli hash, that was created by the push command.
+Or simply use:
+```
+make bump provider=gocli hash=<NEW_HASH>
+```
 

Makefile

@@ -8,6 +8,10 @@ cluster-down:
 connect:
 	@./cluster-up/container.sh
 
+bump:
+	./hack/bump.sh "$(provider)" "$(hash)"
+
 .PHONY: \
 	cluster-up \
-	cluster-down 
+	cluster-down \
+	bump

hack/bump.sh

@@ -0,0 +1,32 @@
+#!/bin/bash -e
+#
+# This file is part of the KubeVirt project
+#
+# 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.
+#
+# Copyright 2020 Red Hat, Inc.
+#
+
+# Updates cluster-up/cluster/images.sh provider hash to point on new given hash.
+# After usage, commit the changes of cluster-up/cluster/images.sh.
+
+# Usage: ./hack/bump.sh <provider> <hash>
+# Example: ./hack/bump.sh k8s-1.18 c41e3d9adb756b60e1fbce2ffd774c66c99fdde7ee337460c472ee92868e579e
+
+PROVIDER=${1:?}
+HASH=${2:?}
+
+function main() {
+    sed -i "s/IMAGES\["$PROVIDER"\].*/IMAGES\["$PROVIDER"\]=\""$PROVIDER"@sha256:"$HASH"\"/g" cluster-up/cluster/images.sh
+}
+
+main "$@"