Implémentation d'un gestionnaire d'événements sommaire.

gestion/trigger/services/ack.py

@@ -0,0 +1,50 @@
+#!/bin/bash /usr/scripts/python.sh
+# -*- coding: utf-8 -*-
+#
+# Trigger library, designed to send events messages.
+#
+# Author    : Pierre-Elliott Bécue <becue@crans.org>
+# License   : GPLv3
+# Date      : 10/03/2015
+
+"""
+This service (event) is designed to receive any modification done on LDAP
+database, and to make a correct diff between former and later object in order
+to guess which services has to be updated.
+"""
+
+# Trigger features
+import gestion.config.trigger as trigger_config
+from gestion.trigger.host import record_service
+from gestion.trigger.services.event import EventTracker, trigger_send # really useful EventList ?
+
+# Clogger
+import cranslib.clogger as clogger
+
+logger = clogger.CLogger("trigger", "ack", trigger_config.log_level, trigger_config.debug)
+
+@record_service(ack=False)
+def ack(ob_id, service_name):
+    """Ack when something has been done.
+
+    Removes the acked thing from
+    """
+
+    logger.info("Received message %r…", (ob_id, service_name))
+
+    todo = EventTracker.ack(ob_id, service_name)
+
+    # if todo is None, then we have finished a list, or emptied
+    # EventTracker's content.
+    if todo is None:
+        todo = EventTracker.get_off_record(ob_id)
+        logger.info("Emptied one list in the chain %r. Trying to continue. Got %r", ob_id, todo)
+
+    if todo:
+        for msg in todo:
+            logger.info("Sending %r on the road \\o/", msg)
+            # XXX - uncomment this when in production
+            trigger_send(*msg)
+    else:
+        logger.info("Aaaaaand, nothing.")
+