Add support for django_openstack_auth

It would be useful for development, reviewing and testing to add
support for django_openstack_auth to devstack.

This change adds the integration tests to the openstack_auth
list of test: https://review.openstack.org/#/c/86528/

Change-Id: Ifbd336b83f6b2beb23996b599ec820232c13efdd
Closes-Bug: #1262121
diff --git a/AUTHORS b/AUTHORS
index c6b40d8..04bff48 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -48,3 +48,4 @@
 Yun Mao <yunmao@gmail.com>
 Yong Sheng Gong <gongysh@cn.ibm.com>
 Zhongyue Luo <lzyeval@gmail.com>
+Zhenguo Niu <niu.zglinux@gmail.com>
diff --git a/lib/horizon b/lib/horizon
index 02715ce..1cfc605 100644
--- a/lib/horizon
+++ b/lib/horizon
@@ -26,6 +26,7 @@
 
 # Set up default directories
 HORIZON_DIR=$DEST/horizon
+HORIZONAUTH_DIR=$DEST/django_openstack_auth
 
 # local_settings.py is used to customize Dashboard settings.
 # The example file in Horizon repo is used by default.
@@ -155,6 +156,12 @@
 
 }
 
+# install_django_openstack_auth() - Collect source and prepare
+function install_django_openstack_auth {
+    git_clone $HORIZONAUTH_REPO $HORIZONAUTH_DIR $HORIZONAUTH_BRANCH
+    setup_develop $HORIZONAUTH_DIR
+}
+
 # install_horizon() - Collect source and prepare
 function install_horizon {
     # Apache installation, because we mark it NOPRIME
diff --git a/stack.sh b/stack.sh
index bd99b5b..2fe01d0 100755
--- a/stack.sh
+++ b/stack.sh
@@ -757,6 +757,8 @@
 fi
 
 if is_service_enabled horizon; then
+    # django openstack_auth
+    install_django_openstack_auth
     # dashboard
     install_horizon
     configure_horizon
diff --git a/stackrc b/stackrc
index 01d0e0f..a517fbb 100644
--- a/stackrc
+++ b/stackrc
@@ -133,6 +133,10 @@
 HORIZON_REPO=${HORIZON_REPO:-${GIT_BASE}/openstack/horizon.git}
 HORIZON_BRANCH=${HORIZON_BRANCH:-master}
 
+# django openstack_auth library
+HORIZONAUTH_REPO=${HORIZONAUTH_REPO:-${GIT_BASE}/openstack/django_openstack_auth.git}
+HORIZONAUTH_BRANCH=${HORIZONAUTH_BRANCH:-master}
+
 # baremetal provisionint service
 IRONIC_REPO=${IRONIC_REPO:-${GIT_BASE}/openstack/ironic.git}
 IRONIC_BRANCH=${IRONIC_BRANCH:-master}