Gate-supporting files for functional tests

To support running functional tests from the gate:
- directory functionaltests for hook scripts (and maybe test packages)
- tox.ini functional environment placeholde
- devstack post_test_hook, pre_test_hook scripts which are run
  by the gate job

Change-Id: Iead98b60149807e26a4888c3497876483ca803b7
Partial-Blueprint: functional-tests

functionaltests/post_test_hook.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+#
+# 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.
+
+# This script is executed inside post_test_hook function in devstack gate.
+
+cd /opt/stack/new/heat
+sudo tox -efunctional

functionaltests/pre_test_hook.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+#
+# 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.
+
+# This script is executed inside pre_test_hook function in devstack gate.
+

tox.ini

@@ -13,13 +13,17 @@ install_command = pip install {opts} {packages}
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 commands =
-  python setup.py testr --slowest --testr-args='{posargs}'
+  python setup.py testr --slowest --testr-args='^(?!functionaltests) {posargs}'
 
 whitelist_externals = bash
 
+[testenv:functional]
+commands =
+  python -c "print('TODO: functional tests')"
+
 [testenv:pep8]
 commands =
-    flake8 heat bin/heat-api bin/heat-api-cfn bin/heat-api-cloudwatch bin/heat-engine bin/heat-manage contrib
+    flake8 heat bin/heat-api bin/heat-api-cfn bin/heat-api-cloudwatch bin/heat-engine bin/heat-manage contrib functionaltests
     {toxinidir}/tools/config/check_uptodate.sh
     {toxinidir}/tools/requirements_style_check.sh requirements.txt test-requirements.txt
     # Check that .po and .pot files are valid: