[infra] docker-cleanup definition

infra/docker-cleanup/Jenkinsfile

@@ -0,0 +1,27 @@
+// Copyright 2016 Google Inc.
+//
+// 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.
+//
+////////////////////////////////////////////////////////////////////////////////
+
+// Jenkins build script for periodic docker images cleanup.
+
+step "Cleanup Processes", concurrency: 1
+node {
+  sh "docker rm \$(docker ps -a -q) || true"
+}
+
+step "Cleanup Images", concurrency: 1
+node {
+  sh "docker rmi \$(docker images -q -f dangling=true) || true"
+}