Prepare for dropping keystone admin endpoint

Keystone no longer has any special functionality hidden behind the admin
endpoint. Stop referencing it in consumers, so it can later be dropped
completely.

Change-Id: I04a5d77908005268cc7c59e7e9ddeea70f6732e2
diff --git a/lib/glance b/lib/glance
index 4fa1b6a..6d252e3 100644
--- a/lib/glance
+++ b/lib/glance
@@ -208,8 +208,7 @@
 
     if is_service_enabled tls-proxy; then
         iniset $GLANCE_API_CONF DEFAULT bind_port $GLANCE_SERVICE_PORT_INT
-
-        iniset $GLANCE_API_CONF keystone_authtoken identity_uri $KEYSTONE_AUTH_URI
+        iniset $GLANCE_API_CONF keystone_authtoken identity_uri $KEYSTONE_SERVICE_URI
     fi
 
     # Format logging
@@ -221,7 +220,7 @@
     iniset $GLANCE_CACHE_CONF DEFAULT debug $ENABLE_DEBUG_LOG_LEVEL
     iniset $GLANCE_CACHE_CONF DEFAULT use_syslog $SYSLOG
     iniset $GLANCE_CACHE_CONF DEFAULT image_cache_dir $GLANCE_CACHE_DIR/
-    iniset $GLANCE_CACHE_CONF DEFAULT auth_url $KEYSTONE_AUTH_URI
+    iniset $GLANCE_CACHE_CONF DEFAULT auth_url $KEYSTONE_SERVICE_URI
     iniset $GLANCE_CACHE_CONF DEFAULT admin_tenant_name $SERVICE_PROJECT_NAME
     iniset $GLANCE_CACHE_CONF DEFAULT admin_user glance
     iniset $GLANCE_CACHE_CONF DEFAULT admin_password $SERVICE_PASSWORD