monasca-log-api/monasca_log_api/reference/v3/logs.py

97 lines
3.3 KiB
Python

# Copyright 2016 Hewlett Packard Enterprise Development Company, L.P.
# Copyright 2016-2017 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 falcon
from oslo_log import log
from monasca_log_api.api import exceptions
from monasca_log_api.api import logs_api
from monasca_log_api.monitoring import metrics
from monasca_log_api.reference.common import validation
from monasca_log_api.reference.v3.common import bulk_processor
from monasca_log_api.reference.v3.common import helpers
LOG = log.getLogger(__name__)
class Logs(logs_api.LogsApi):
VERSION = 'v3.0'
SUPPORTED_CONTENT_TYPES = {'application/json'}
def __init__(self):
super(Logs, self).__init__()
self._processor = bulk_processor.BulkProcessor(
logs_in_counter=self._logs_in_counter,
logs_rejected_counter=self._logs_rejected_counter
)
self._bulks_rejected_counter = self._statsd.get_counter(
name=metrics.LOGS_BULKS_REJECTED_METRIC,
dimensions=self._metrics_dimensions
)
def on_post(self, req, res):
with self._logs_processing_time.time(name=None):
try:
req.validate(self.SUPPORTED_CONTENT_TYPES)
request_body = helpers.read_json_msg_body(req)
log_list = self._get_logs(request_body)
global_dimensions = self._get_global_dimensions(request_body)
except Exception as ex:
LOG.error('Entire bulk package has been rejected')
LOG.exception(ex)
self._bulks_rejected_counter.increment(value=1)
raise ex
self._bulks_rejected_counter.increment(value=0)
self._logs_size_gauge.send(name=None,
value=int(req.content_length))
tenant_id = (req.project_id if req.project_id
else req.cross_project_id)
try:
self._processor.send_message(
logs=log_list,
global_dimensions=global_dimensions,
log_tenant_id=tenant_id
)
except Exception as ex:
res.status = getattr(ex, 'status', falcon.HTTP_500)
return
res.status = falcon.HTTP_204
@staticmethod
def _get_global_dimensions(request_body):
"""Get the top level dimensions in the HTTP request body."""
global_dims = request_body.get('dimensions', {})
validation.validate_dimensions(global_dims)
return global_dims
@staticmethod
def _get_logs(request_body):
"""Get the logs in the HTTP request body."""
if 'logs' not in request_body:
raise exceptions.HTTPUnprocessableEntity(
'Unprocessable Entity Logs not found')
return request_body['logs']