def sendEventToPlugins(anevent, metadata, pluginList):
'''compare the event to the plugin registrations.
plugins register with a list of keys or values
or values they want to match on
this function compares that registration list
to the current event and sends the event to plugins
in order
'''
if not isinstance(anevent, dict):
raise TypeError('event is type {0}, should be a dict'.format(
type(anevent)))
# expecting tuple of module,criteria,priority in pluginList
# sort the plugin list by priority
for plugin in sorted(pluginList, key=itemgetter(2), reverse=False):
# assume we don't run this event through the plugin
send = False
if isinstance(plugin[1], list):
try:
if (set(plugin[1]).intersection(
[e for e in dict2List(anevent)])):
send = True
except TypeError:
logger.error(
'TypeError on set intersection for dict {0}'.format(
anevent))
return (anevent, metadata)
if send:
(anevent, metadata) = plugin[0].onMessage(anevent, metadata)
if anevent is None:
# plug-in is signalling to drop this message
# early exit
return (anevent, metadata)
return (anevent, metadata)
def run_plugins(self, message, metadata=None):
'''compare the message to the plugin registrations.
plugins register with a list of keys or values
or values they want to match on
this function compares that registration list
to the current message and sends the message to plugins
in order
'''
if not isinstance(message, dict):
raise TypeError('event is type {0}, should be a dict'.format(type(message)))
for plugin in self.ordered_enabled_plugins:
send = False
message_fields = [e for e in dict2List(message)]
# this is to make it so we can match on all fields
message_fields.append('*')
if isinstance(plugin['registration'], list):
if set(plugin['registration']).intersection(message_fields):
send = True
elif isinstance(plugin['registration'], str):
if plugin['registration'] in message_fields:
send = True
if send:
try:
(message, metadata) = self.send_message_to_plugin(plugin_class=plugin['plugin_class'], message=message, metadata=metadata)
except Exception as e:
logger.exception('Received exception in {0}: message: {1}\n{2}'.format(plugin['plugin_class'], message, e.message))
if message is None:
return (message, metadata)
return (message, metadata)
def run_plugins(self, message, metadata=None):
'''compare the message to the plugin registrations.
plugins register with a list of keys or values
or values they want to match on
this function compares that registration list
to the current message and sends the message to plugins
in order
'''
if not isinstance(message, dict):
raise TypeError('event is type {0}, should be a dict'.format(
type(message)))
for plugin in self.ordered_enabled_plugins:
send = False
message_fields = [e for e in dict2List(message)]
# this is to make it so we can match on all fields
message_fields.append('*')
if isinstance(plugin['registration'], list):
if set(plugin['registration']).intersection(message_fields):
send = True
elif isinstance(plugin['registration'], str):
if plugin['registration'] in message_fields:
send = True
if send:
try:
(message, metadata) = self.send_message_to_plugin(
plugin_class=plugin['plugin_class'],
message=message,
metadata=metadata)
except Exception as e:
logger.error(
'Received exception in {0}: message: {1}\n{2}'.format(
plugin['plugin_class'], message, e.message))
if message is None:
return (message, metadata)
return (message, metadata)