def create_injection_plugin(self, values):
# ensure defaults are present for new plugins
if 'uuid' not in values:
values['uuid'] = uuidutils.generate_uuid()
inj_plug = models.InjectionPlugin()
inj_plug.update(values)
try:
inj_plug.save()
except db_exc.DBDuplicateEntry:
raise exception.PluginAlreadyExists(uuid=values['uuid'])
return inj_plug
def update_plugin(self, plugin_id, values):
# NOTE(dtantsur): this can lead to very strange errors
if 'uuid' in values:
msg = _("Cannot overwrite UUID for an existing Plugin.")
raise exception.InvalidParameterValue(err=msg)
try:
return self._do_update_plugin(plugin_id, values)
except db_exc.DBDuplicateEntry as e:
if 'name' in e.columns:
raise exception.DuplicateName(name=values['name'])
elif 'uuid' in e.columns:
raise exception.PluginAlreadyExists(uuid=values['uuid'])
else:
raise e