def reload_selectors(self):
"""
Loads selectors crecords to find out witch event in work method match
selector. When an event match, selector name and dispay name fields
are added to the event tag list
"""
self.selectors = []
self.selByRk.clear()
selectors_json = self.storage.find({
'crecord_type': 'selector',
'enable': True
}, namespace="object")
for selector_json in selectors_json:
selector_dump = selector_json.dump()
# add selector name to tag when
if 'rk' in selector_dump:
# Extract ids resolved by selectors
sel = selector_dump.get('crecord_name')
ids = selector_dump.get('ids', [])
if isinstance(ids, list):
for rk in ids:
if rk in self.selByRk:
self.selByRk[rk].append(sel)
else:
self.selByRk[rk] = [sel]
# Put selector witch can tag event in cache
if 'dostate' in selector_dump and selector_dump['dostate']:
selector = Selector(
storage=self.storage, record=selector_json,
logging_level=self.logging_level)
# tag field is defined here only
selector.tags = []
for selector_tag in ['crecord_name', 'display_name']:
if (selector_tag in selector_dump
and selector_dump[selector_tag]):
selector.tags.append(selector_dump[selector_tag])
self.selectors.append(selector)
self.logger.debug('Reloaded %s selectors' % (len(self.selectors)))
def test_01_InitPutGet(self):
global selector
selector = Selector(
name="myselector", namespace='unittest', storage=storage)
selector.nocache = True
_id = selector._id
print("Selector Id: %s" % _id)
dump = selector.dump()
## Put in db
storage.put(selector)
## Load
selector = Selector(name="myselector", storage=storage)
ndump = selector.dump()
if dump['_id'] != ndump['_id'] or dump['namespace'] != ndump['namespace'] or dump['mfilter'] != ndump['mfilter'] or dump['aaa_owner'] != ndump['aaa_owner']:
print(dump)
print(ndump)
raise Exception('Invalid dump ...')
def work(self, event, *args, **kwargs):
# Loads associated class
selector = Selector(
storage=self.storage,
record=Record(event),
logging_level=self.logging_level
)
name = selector.display_name
self.logger.debug(u'Start processing selector: {0}'.format(name))
# Selector event have to be published when do state is true.
if selector.dostate:
rk, event, publish_ack = selector.event()
# Compute previous event to know if any difference next turn
selector.data['previous_metrics'] = {
metric['metric']: metric['value']
for metric in event['perf_data_array']
}
do_publish_event = selector.have_to_publish(event)
if do_publish_event:
self.publish_event(selector, rk, event, publish_ack)
# When selector computed, sla may be asked to be computed.
if selector.dosla:
self.logger.debug(u'Start processing SLA')
# Retrieve user ui settings
# This template should be always set
template = selector.get_sla_output_tpl()
# Timewindow computation duration
timewindow = selector.get_sla_timewindow()
sla_warning = selector.get_sla_warning()
sla_critical = selector.get_sla_critical()
alert_level = selector.get_alert_level()
display_name = selector.display_name
rk = get_routingkey(event)
sla = Sla(
self.storage,
rk,
template,
timewindow,
sla_warning,
sla_critical,
alert_level,
display_name,
logger=self.logger
)
self.publish_sla_event(
sla.get_event(),
display_name
)
else:
self.logger.debug(u'Nothing to do')
selector.save()