Add migration tool for v2 to v3 conversion

We need to be able to generate a new v3 config based on our old v2
config. It won't be perfect, but should ultimately be no worse than the
v2.5 auto-generated playbooks.

Change-Id: I9cb676ceff01bbdb845d22774edbaa718323db27
diff --git a/tools/run-migration.sh b/tools/run-migration.sh
new file mode 100755
index 0000000..6c7e250
--- /dev/null
+++ b/tools/run-migration.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+# Copyright (c) 2017 Red Hat, 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.
+
+# Stupid script I'm using to test migration script locally
+# Assumes project-config is adjacent to zuul and has the mapping file
+
+BASE_DIR=$(cd $(dirname $0)/../..; pwd)
+cd $BASE_DIR/project-config
+python3 $BASE_DIR/zuul/zuul/cmd/migrate.py  --mapping=zuul/mapping.yaml \
+    zuul/layout.yaml jenkins/jobs nodepool/nodepool.yaml .