Add gate hook scripts for functional tests

Add gate hook to contrib/ci dir to be able to configure functional tests job.

pre_test_hook just imports devstack extension for manila project to the
devstack project.
post_test_hook configures config file for manilaclient based on devstack
installation and runs related tox job.

Also fix default config file path within config module.

Partially implements bp functional-tests

Change-Id: Ibf90af083b9a8e0ec646e1bff676893528ff1914

contrib/ci/post_test_hook.sh

@@ -0,0 +1,49 @@
+#!/bin/bash -xe
+#
+# 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.
+
+export MANILACLIENT_DIR="$BASE/new/python-manilaclient"
+export MANILACLIENT_CONF="$MANILACLIENT_DIR/etc/manilaclient/manilaclient.conf"
+
+# Go to the manilaclient dir
+cd $MANILACLIENT_DIR
+
+# Give permissions
+sudo chown -R jenkins:stack .
+
+# Create manilaclient config file
+touch $MANILACLIENT_CONF
+
+# Import 'iniset' func from devstack functions
+source $BASE/new/devstack/functions
+
+# Set options to config client.
+source $BASE/new/devstack/accrc/demo/demo
+iniset $MANILACLIENT_CONF DEFAULT username $OS_USERNAME
+iniset $MANILACLIENT_CONF DEFAULT tenant_name $OS_TENANT_NAME
+iniset $MANILACLIENT_CONF DEFAULT password $OS_PASSWORD
+iniset $MANILACLIENT_CONF DEFAULT auth_url $OS_AUTH_URL
+
+source $BASE/new/devstack/accrc/demo/admin
+iniset $MANILACLIENT_CONF DEFAULT admin_username $OS_USERNAME
+iniset $MANILACLIENT_CONF DEFAULT admin_tenant_name $OS_TENANT_NAME
+iniset $MANILACLIENT_CONF DEFAULT admin_password $OS_PASSWORD
+iniset $MANILACLIENT_CONF DEFAULT admin_auth_url $OS_AUTH_URL
+
+# let us control if we die or not
+set +o errexit
+
+# Run functional tests
+sudo -H -u jenkins tox -e functional

contrib/ci/pre_test_hook.sh

@@ -0,0 +1,18 @@
+#!/bin/bash -xe
+#
+# 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.
+
+# Install manila devstack integration
+cp -r $BASE/new/manila/contrib/devstack/* $BASE/new/devstack

manilaclient/config.py

@@ -70,8 +70,8 @@ DEFAULT_CONFIG_FILE = (
     '%s.conf' % PROJECT_NAME)
 DEFAULT_CONFIG_DIR = (
     os.environ.get('OS_%s_CONFIG_DIR' % PROJECT_NAME.upper()) or
-    os.path.join(os.path.abspath(os.path.dirname(
-        os.path.dirname(os.path.dirname(__file__)))), "etc/manilaclient")
+    os.path.join(os.path.abspath(os.path.dirname(os.path.dirname(__file__))),
+                 "etc/manilaclient")
 )
 DEFAULT_CONFIG_PATH = os.path.join(DEFAULT_CONFIG_DIR, DEFAULT_CONFIG_FILE)
 FAILOVER_CONFIG_PATH = '/etc/%(pn)s/%(cn)s' % {