monasca-persister/monasca_persister/repositories/elasticsearch/events_repository.py

75 lines
2.5 KiB
Python

# Copyright 2017 FUJITSU LIMITED
#
# 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.
import ujson
from datetime import datetime
from elasticsearch import Elasticsearch
from oslo_config import cfg
from oslo_log import log
from monasca_persister.repositories import abstract_repository
from monasca_persister.repositories import utils
LOG = log.getLogger(__name__)
class ElasticSearchEventsRepository(abstract_repository.AbstractRepository):
def __init__(self):
super(ElasticSearchEventsRepository, self).__init__()
self.conf = cfg.CONF.elasticsearch
self.es = Elasticsearch(
hosts=self.conf.hosts,
sniff_on_start=self.conf.sniff_on_start,
sniff_on_connection_fail=self.conf.sniff_on_connection_fail,
sniffer_timeout=self.conf.sniffer_timeout,
max_retries=self.conf.max_retries
)
def process_message(self, message):
return utils.parse_events_message(message)
def write_batch(self, data_points):
for data_point in data_points:
(tenant_id, timestamp, event_type, payload) = data_point
index = '%s-%s-%s' % (self.conf.index_name, tenant_id,
ElasticSearchEventsRepository._normalize_timestamp(timestamp))
body = {
'tenant_id': tenant_id,
'timestamp': timestamp,
'event_type': event_type,
'payload': payload
}
self.es.create(
index=index,
doc_type='event',
body=ujson.dumps(body)
)
@staticmethod
def _normalize_timestamp(timestamp):
d = None
if timestamp and len(timestamp) >= 10:
try:
d = datetime.strptime(timestamp[0:10], '%Y-%m-%d')
except ValueError as e:
LOG.warning("Unable to parse timestamp '%s' - %s" % (timestamp, str(e)))
if not d:
d = datetime.today()
return d.strftime('%Y-%m-%d')