check if db is up to date

mediagoblin/app.py

@@ -25,6 +25,7 @@ from werkzeug.exceptions import HTTPException
 from werkzeug.routing import RequestRedirect
 
 from mediagoblin import meddleware, __version__
+from mediagoblin.db.util import check_db_up_to_date
 from mediagoblin.tools import common, session, translate, template
 from mediagoblin.tools.response import render_http_exception
 from mediagoblin.tools.theme import register_themes
@@ -91,6 +92,9 @@ class MediaGoblinApp(object):
         # Set up the database
         self.db = setup_database(app_config['run_migrations'])
 
+        # Quit app if need to run dbupdate
+        check_db_up_to_date()
+
         # Register themes
         self.theme_registry, self.current_theme = register_themes(app_config)
 

mediagoblin/db/util.py

@@ -14,9 +14,12 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import sys
+
+from mediagoblin import mg_globals as mgg
 from mediagoblin.db.base import Session
 from mediagoblin.db.models import MediaEntry, Tag, MediaTag, Collection
-
+from mediagoblin.gmg_commands.dbupdate import gather_database_data
 
 ##########################
 # Random utility functions
@@ -68,6 +71,18 @@ def check_collection_slug_used(creator_id, slug, ignore_c_id):
     return does_exist
 
 
+def check_db_up_to_date():
+    """Check if the database is up to date and quit if not"""
+    dbdatas = gather_database_data(mgg.global_config.get('plugins', {}).keys())
+
+    for dbdata in dbdatas:
+        migration_manager = dbdata.make_migration_manager(Session())
+        if migration_manager.database_current_migration is None or \
+                migration_manager.migrations_to_run():
+            sys.exit("Your database is not up to date. Please run "
+                     "'gmg dbupdate' before starting the webserver.")
+
+
 if __name__ == '__main__':
     from mediagoblin.db.open import setup_connection_and_db_from_config