Source code for panko.dispatcher.database
#
# Copyright 2013 IBM Corp
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from oslo_log import log
from oslo_utils import timeutils
from panko.i18n import _LE
from panko import service
from panko import storage
from panko.storage import models
LOG = log.getLogger(__name__)
[docs]class DatabaseDispatcher(object):
"""Dispatcher class for recording event data into database.
The dispatcher class which records each event into a database configured
in Ceilometer configuration file.
To enable this dispatcher, the following section needs to be present in
ceilometer.conf file
[DEFAULT]
event_dispatchers = panko
"""
def __init__(self, conf):
# NOTE(jd) The `conf' arg is the Ceilometer conf, but we don't really
# need it here.
conf = service.prepare_service([])
self.conn = storage.get_connection_from_config(conf)
[docs] def record_events(self, events):
if not isinstance(events, list):
events = [events]
event_list = []
for ev in events:
try:
event_list.append(
models.Event(
message_id=ev['message_id'],
event_type=ev['event_type'],
generated=timeutils.normalize_time(
timeutils.parse_isotime(ev['generated'])),
traits=[models.Trait(
name, dtype,
models.Trait.convert_value(dtype, value))
for name, dtype, value in ev['traits']],
raw=ev.get('raw', {}))
)
except Exception:
LOG.exception(_LE("Error processing event and it will be "
"dropped: %s"), ev)
self.conn.record_events(event_list)