Add tacker devstack-gate functional post test hooks

Change-Id: Ic4a0d6fb2dd6e55a50e081e328a62dc4e9bebfd3

tacker/tests/contrib/README

@@ -0,0 +1,3 @@
+The files in this directory are intended for use by the
+infra jobs that run the various functional test suite
+in the gate for the tacker repo.

tacker/tests/contrib/post_test_hook.sh

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+#!/bin/bash -x
+#
+# 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.
+
+VENV=${1:-"dsvm-functional"}
+
+export GATE_DEST=$BASE/new
+export DEVSTACK_DIR=$GATE_DEST/devstack
+export TACKER_DIR="$GATE_DEST/tacker"
+
+case $VENV in
+    dsvm-functional)
+        owner=stack
+        ;;
+esac
+
+sudo chown -R $owner:stack $TACKER_DIR
+
+# Run functional tests
+echo "Running Tacker $VENV test suite"
+source $DEVSTACK_DIR/openrc admin admin
+sudo -E -H -u $owner tox -e functional -- --concurrency=1
+EXIT_CODE=$?
+
+exit $EXIT_CODE