Enable installation of barbican_tempest_plugin

In case tempest is enabled we need to install the barbican tempest
repo and register the plugin endpoint.

Change-Id: I376d58cad9a33dc90afdd0bf01e1e73bdd5a8b28
Depends-On: I7a861dcc800cf3a49da2e317e4780aa5c5027733

devstack/plugin.sh

@@ -1,3 +1,13 @@
+# Configure the needed tempest options
+function configure_barbican_tempest() {
+    iniset $TEMPEST_CONFIG service_available barbican True
+}
+
+function install_barbicantempest {
+    git_clone_by_name "barbican-tempest-plugin"
+    setup_dev_lib "barbican-tempest-plugin"
+}
+
 # check for service enabled
 if is_service_enabled barbican; then
     if [[ "$1" == "source" || "`type -t install_barbican`" != 'function' ]]; then
@@ -9,6 +19,9 @@ if is_service_enabled barbican; then
         echo_summary "Installing Barbican"
         install_barbican
         install_barbicanclient
+        if is_service_enabled tempest; then
+            install_barbicantempest
+        fi
         if is_service_enabled barbican-pykmip; then
             echo_summary "Installing PyKMIP"
             install_pykmip
@@ -39,6 +52,10 @@ if is_service_enabled barbican; then
     elif [[ "$1" == "stack" && "$2" == "extra" ]]; then
         echo_summary "Initializing Barbican"
         init_barbican
+        if is_service_enabled tempest; then
+            echo_summary "Configuring Tempest options for Barbican"
+            configure_barbican_tempest
+        fi
         start_barbican
         if is_service_enabled pykmip-server; then
             echo_summary "Starting PyKMIP server"

devstack/settings

@@ -31,4 +31,8 @@ BARBICAN_HOST_HREF=${BARBICAN_HOST_HREF:-http://${SERVICE_HOST}:9311}
 # Tell Tempest this project is present
 TEMPEST_SERVICES+=,barbican
 
+GITREPO["barbican-tempest-plugin"]=${BARBICANTEMPEST_REPO:-${GIT_BASE}/openstack/barbican-tempest-plugin.git}
+GITBRANCH["barbican-tempest-plugin"]=${BARBICANTEMPEST_BRANCH:-master}
+GITDIR["barbican-tempest-plugin"]=$DEST/barbican-tempest-plugin
+
 enable_service barbican