Add script to get all the maintained OpenStack Ansible projects

Add a gen-projects-list.sh script which can be used by a proposal
bot to sync all the actively maintained OpenStack Ansible repositories
with the openstack-ansible-tests one in the future.

Change-Id: I3ca495dbe859e26de3eb5b15dad6257fe01bd833

gen-projects-list.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+
+# Copyright 2017, SUSE LINUX GmbH.
+#
+# 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.
+
+# Get list of all the maintained OpenStack Ansible projects
+
+# 'exclude_projects' variable should contain all the OSA projects
+# listed in https://git.openstack.org/cgit/ but should be excluded
+# from the generated list for various reasons (ie unmaintained,
+# not applicable etc)
+
+# Do not leave empty lines since grep -F will not match anything
+
+set -e
+
+exclude_project() {
+    excluded_projects+="openstack/$1 "
+}
+
+############## EXCLUDED PROJECTS ######################
+#
+# List of the projects that need to be excluded for various
+# reasons
+#
+# os_swift_sync is retired
+exclude_project openstack-ansible-os_swift_sync
+# pip_lock_down will be retired with Mitaka
+exclude_project openstack-ansible-pip_lock_down
+# py_from_git will be retired with Mitaka
+exclude_project openstack-ansible-py_from_git
+# ansible-tests is where we are so we know it's maintained
+exclude_project openstack-ansible-tests
+#
+############## END OF EXCLUDED PROJECTS ###############
+
+# Replace spaces with newlines as expected by grep -F
+excluded_projects="$(echo ${excluded_projects} | tr ' ' '\n')"
+
+# The output should only contain a list of projects or an empty string.
+# Anything else will probably make the CI bots to fail.
+
+curl --retry 10 -s --fail http://git.openstack.org/cgit | grep -o \
+    "openstack/openstack-ansible-[[:alnum:]_-]*" | \
+    grep -v -F "${excluded_projects}" | uniq | sort -n