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[trigger] Going back to simplified version

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This commit is contained in:
Pierre-Elliott Bécue 2014-07-31 11:50:47 +02:00
parent 8068f057e0
commit 091a2d161e
6 changed files with 287 additions and 292 deletions
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95
gestion/trigger/services/event.py
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@ -21,10 +21,10 @@ import itertools
import traceback
import gestion.secrets_new as secrets
# Trigger features
import gestion.config.trigger as trigger_config
from gestion.trigger.host import TriggerFactory
from gestion.trigger.services.service import BasicService
from gestion.trigger.host import TriggerFactory, record_service, record_parser
# Clogger
import cranslib.clogger as clogger
@ -32,7 +32,7 @@ import cranslib.clogger as clogger
# lc_ldap
import lc_ldap.attributs
logger = clogger.CLogger("trigger", "event", "debug", trigger_config.debug)
logger = clogger.CLogger("trigger", "event", trigger_config.log_level, trigger_config.debug)
services = []
for config_service in trigger_config.all_services:
@ -136,63 +136,52 @@ def compare_lists(list1, list2):
return moins, plus
class Event(BasicService):
"""Event service class. It extends BasicService, but should not implement
any change trigger, since it's this service which is designed to call
change triggers of other services.
@record_service
def event(body=()):
"""When any event arrives on trigger-civet-event, this method is called
and designed to transcript the body (ldap data) in something usable for
the services. Afterwards, it sends these transcripts on the good way
using routing_key.
body is a 3-tuple, containing LDAP dn, the former state of the object
(a simple dict), and the later state. The data are non-binding-dependant.
A new object has body[1] to None, a deleted one has body[2] to None.
"""
@classmethod
def get_changes(cls, body, diff):
"""Compute changes from diff"""
logger.info("Received message %r…", body)
return [None]
diff = diff_o_matic(body)
@classmethod
def regen(cls, body=()):
"""When any event arrives on trigger-civet-event, this method is called
and designed to transcript the body (ldap data) in something usable for
the services. Afterwards, it sends these transcripts on the good way
using routing_key.
# Now, diff is a dict containing attributes which has been modified.
# diff['macAddress'] could look like (['aa:bb:cc:dd:ee:fg'], ['aa:bb:cc:dd:ee:ff']),
# where the list on the left is the former value of attributes, and the list on the
# right the latter values.
body is a 3-tuple, containing LDAP dn, the former state of the object
(a simple dict), and the later state. The data are non-binding-dependant.
# -*- Explain -*-
#In [11]: import itertools
#
#In [12]: a = [[(3, 'lol'), ('7', 3)], [(5, 6), None], [None], [('lol', 'lal')]]
#
#In [13]: a
#Out[13]: [[(3, 'lol'), ('7', 3)], [(5, 6), None], [None], [('lol', 'lal')]]
#
#In [14]: list(set([message for message in itertools.chain(*a)]))
#Out[14]: [('7', 3), (5, 6), None, ('lol', 'lal'), (3, 'lol')] # Only one None from a, since [None, x, y, None] is equivalent for itertools to [x, y]
#
#In [15]: b = list(set([message for message in itertools.chain(*a) if message is not None]))
#
#In [16]: b
#Out[16]: [('7', 3), (5, 6), ('lol', 'lal'), (3, 'lol')]
functions = list(set([function for function in itertools.chain(*[TriggerFactory.get_parser(key) for key in diff])]))
msg_to_send = [function(body, diff) for function in functions]
A new object has body[1] to None, a deleted one has body[2] to None.
"""
logger.info("Received message %r…", body)
diff = diff_o_matic(body)
# Now, diff is a dict containing attributes which has been modified.
# diff['macAddress'] could look like (['aa:bb:cc:dd:ee:fg'], ['aa:bb:cc:dd:ee:ff']),
# where the list on the left is the former value of attributes, and the list on the
# right the latter values.
# -*- Explain -*-
#In [11]: import itertools
#
#In [12]: a = [[(3, 'lol'), ('7', 3)], [(5, 6), None], [None], [('lol', 'lal')]]
#
#In [13]: a
#Out[13]: [[(3, 'lol'), ('7', 3)], [(5, 6), None], [None], [('lol', 'lal')]]
#
#In [14]: list(set([message for message in itertools.chain(*a)]))
#Out[14]: [('7', 3), (5, 6), None, ('lol', 'lal'), (3, 'lol')] # Only one None from a, since [None, x, y, None] is equivalent for itertools to [x, y]
#
#In [15]: b = list(set([message for message in itertools.chain(*a) if message is not None]))
#
#In [16]: b
#Out[16]: [('7', 3), (5, 6), ('lol', 'lal'), (3, 'lol')]
msg_to_send = [message for message in itertools.chain(*[service.get_changes(body, diff) for service in TriggerFactory.get_services()]) if message is not None]
for msg in msg_to_send:
logger.info("Sending %r on the road \\o/", msg)
# XXX - uncomment this when in production
# trigger_send(*msg)
for msg in msg_to_send:
logger.info("Sending %r on the road \\o/", msg)
# XXX - uncomment this when in production
trigger_send(*msg)
def trigger_send(routing_key, body):
sender = EventProducer("civet")