kallithea Changeset - cbf524e4c1a3

Changeset - cbf524e4c1a3

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domruf - 8 years ago 2017-08-17 23:23:52
dominikruf@gmail.com

utils: remove Session after we are done using it in set_app_settings

When the Kallithea WSGI application or celeryd is started, TurboGears
app_config.make_base_app calls Kallithea app_cfg.setup_configuration which runs
utils.set_app_settings. That function will read settings from the database and
store them in the global config. It uses a database session which is created on
demand, but this session was not dismissed but left around for the next thing
that asked for a database session. MySQL will by default close connections
after 1 hour, so when celery tried to run a task after 1 hour of inactivity, it
could fail because of the closed connection.

utils.set_app_settings must thus remove the Session after use, just like
auth.set_available_permissions do.

This will thus fix for example some MySQL connection problems seen with Celery.

1 file changed with 3 insertions and 1 deletions:

kallithea/lib/utils.py

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kallithea/lib/utils.py

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@@ @@ -354,52 +354,54 @@ def make_ui(read_from='file', path=None, @@
                 ui_val = '' if ui_.ui_value is None else safe_str(ui_.ui_value)
                 log.debug('settings ui from db: [%s] %s=%r', ui_.ui_section,
                           ui_.ui_key, ui_val)
                 baseui.setconfig(safe_str(ui_.ui_section), safe_str(ui_.ui_key),
                                  ui_val)
         if clear_session:
             meta.Session.remove()
         # force set push_ssl requirement to False, Kallithea handles that
         baseui.setconfig('web', 'push_ssl', False)
         baseui.setconfig('web', 'allow_push', '*')
         # prevent interactive questions for ssh password / passphrase
         ssh = baseui.config('ui', 'ssh', default='ssh')
         baseui.setconfig('ui', 'ssh', '%s -oBatchMode=yes -oIdentitiesOnly=yes' % ssh)
     return baseui
 def set_app_settings(config):
     """
     Updates app config with new settings from database
     :param config:
     """
     try:
     hgsettings = Setting.get_app_settings()
     for k, v in hgsettings.items():
         config[k] = v
     finally:
         meta.Session.remove()
 def set_vcs_config(config):
     """
     Patch VCS config with some Kallithea specific stuff
     :param config: kallithea.CONFIG
     """
     from kallithea.lib.vcs import conf
     from kallithea.lib.utils2 import aslist
     conf.settings.BACKENDS = {
         'hg': 'kallithea.lib.vcs.backends.hg.MercurialRepository',
         'git': 'kallithea.lib.vcs.backends.git.GitRepository',
+    }
     conf.settings.GIT_EXECUTABLE_PATH = config.get('git_path', 'git')
     conf.settings.GIT_REV_FILTER = config.get('git_rev_filter', '--all').strip()
     conf.settings.DEFAULT_ENCODINGS = aslist(config.get('default_encoding',
                                                         'utf8'), sep=',')
 def set_indexer_config(config):
     """
     Update Whoosh index mapping

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