Add barbican set up to devstack

Configuring barbican stanza parameters when barbican service is
enabled for DevStack.

Depends-on: https://review.opendev.org/c/openstack/barbican/+/958845

Change-Id: I6d0dc57d26308aaaf08a73dff68828cc3ee45cac
Signed-off-by: Saikumar Pulluri <saikumar1016@gmail.com>

devstack/plugin.sh

@@ -276,6 +276,12 @@ function configure_manila {
         echo -"No configured backends, please set a value to MANILA_ENABLED_BACKENDS"
         exit 1
     fi
+    if is_service_enabled barbican; then
+        configure_keystone_authtoken_middleware $MANILA_CONF barbican barbican
+        iniset $MANILA_CONF barbican barbican_endpoint_type $BARBICAN_ENDPOINT_TYPE
+        iniset $MANILA_CONF barbican auth_endpoint $BARBICAN_KEYSTONE_ENDPOINT
+        iniset $MANILA_CONF key_manager backend $KEY_MANAGER_BACKEND
+    fi
 
     configure_backends
     iniset $MANILA_CONF DEFAULT enabled_share_backends $MANILA_ENABLED_BACKENDS

devstack/settings

@@ -44,6 +44,11 @@ MANILA_CONF_DIR=${MANILA_CONF_DIR:-/etc/manila}
 MANILA_CONF=$MANILA_CONF_DIR/manila.conf
 MANILA_API_PASTE_INI=$MANILA_CONF_DIR/api-paste.ini
 
+# barbican defaults
+BARBICAN_ENDPOINT_TYPE=${BARBICAN_ENDPOINT_TYPE:-internal}
+KEY_MANAGER_BACKEND=${KEY_MANAGER_BACKEND:-barbican}
+BARBICAN_KEYSTONE_ENDPOINT=${BARBICAN_KEYSTONE_ENDPOINT:-$KEYSTONE_SERVICE_URI}
+
 # Set this to False to leave "default_share_type" and
 # "default_share_group_type" configuration options empty.
 MANILA_CONFIGURE_DEFAULT_TYPES=${MANILA_CONFIGURE_DEFAULT_TYPES:-True}