diff --git a/zunclient/tests/functional/__init__.py b/zunclient/tests/functional/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/zunclient/tests/functional/hooks/__init__.py b/zunclient/tests/functional/hooks/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/zunclient/tests/functional/hooks/post_test_hook.sh b/zunclient/tests/functional/hooks/post_test_hook.sh
new file mode 100755
index 00000000..a9e2b763
--- /dev/null
+++ b/zunclient/tests/functional/hooks/post_test_hook.sh
@@ -0,0 +1,69 @@
+#!/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.
+
+# Sleep some time until all services are starting
+sleep 5
+
+# Check if a function already exists
+function function_exists {
+    declare -f -F $1 > /dev/null
+}
+
+if ! function_exists echo_summary; then
+    function echo_summary {
+        echo $@
+    }
+fi
+
+# Save trace setting
+XTRACE=$(set +o | grep xtrace)
+set -o xtrace
+
+echo_summary "Zunclient's post_test_hook.sh was called..."
+(set -o posix; set)
+
+# source it to make sure to get REQUIREMENTS_DIR
+source $BASE/new/devstack/stackrc
+source $BASE/new/devstack/accrc/admin/admin
+
+constraints="-c $REQUIREMENTS_DIR/upper-constraints.txt"
+sudo -H pip install $constraints -U -r requirements.txt -r test-requirements.txt
+
+export ZUN_DIR="$BASE/new/zun"
+sudo chown -R jenkins:stack $ZUN_DIR
+
+# Use tempest to test zun api service
+
+# Import devstack functions 'iniset', 'iniget' and 'trueorfalse'
+source $BASE/new/devstack/functions
+echo "TEMPEST_SERVICES+=,zun" >> $localrc_path
+pushd $BASE/new/tempest
+sudo chown -R jenkins:stack $BASE/new/tempest
+
+# Missing tempest.conf ??
+# show tempest config
+cat etc/tempest.conf
+
+sudo -E tox -eall-plugin -- zun.tests.tempest.api --concurrency=1
+
+# NOTE(Namrata): Add more tests which uses OSC.
+EXIT_CODE=$?
+
+popd
+
+
+$XTRACE
+exit $EXIT_CODE