975bcc4a98
* correct log levels * correct log messages partial-bug: 1419872 partial-implements-bp: unified-style-logging Change-Id: I80c2b4c809dc52125f9f4a3beec0cd3b6c4c1213
107 lines
3.4 KiB
Python
107 lines
3.4 KiB
Python
# Copyright (c) 2013 Mirantis, Inc.
|
|
#
|
|
# 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 time
|
|
|
|
from oslo_log import log as logging
|
|
|
|
from murano.api import v1
|
|
from murano.common.i18n import _LE
|
|
from murano.common import wsgi
|
|
from murano.db.services import stats
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
|
|
class RequestStatisticsCollection(object):
|
|
request_count = 0
|
|
error_count = 0
|
|
average_time = 0.0
|
|
|
|
requests_per_tenant = {}
|
|
errors_per_tenant = {}
|
|
|
|
def add_api_request(self, tenant, ex_time):
|
|
self.average_time = (self.average_time * self.request_count +
|
|
ex_time) / (self.request_count + 1)
|
|
if tenant:
|
|
tenant_count = self.requests_per_tenant.get(tenant, 0)
|
|
tenant_count += 1
|
|
self.requests_per_tenant[tenant] = tenant_count
|
|
|
|
def add_api_error(self, tenant, ex_time):
|
|
self.average_time = (self.average_time * self.request_count +
|
|
ex_time) / (self.request_count + 1)
|
|
if tenant:
|
|
tenant_count = self.errors_per_tenant.get(tenant, 0)
|
|
tenant_count += 1
|
|
self.errors_per_tenant[tenant] = tenant_count
|
|
|
|
|
|
def stats_count(api, method):
|
|
def wrapper(func):
|
|
def wrap(*args, **kwargs):
|
|
try:
|
|
ts = time.time()
|
|
result = func(*args, **kwargs)
|
|
te = time.time()
|
|
tenant = args[1].context.tenant
|
|
update_count(api, method, te - ts,
|
|
tenant)
|
|
return result
|
|
except Exception:
|
|
te = time.time()
|
|
tenant = args[1].context.tenant
|
|
LOG.exception(_LE('API {api} method {method} raised an '
|
|
'exception').format(api=api, method=method))
|
|
update_error_count(api, method, te - te, tenant)
|
|
raise
|
|
return wrap
|
|
|
|
return wrapper
|
|
|
|
|
|
def update_count(api, method, ex_time, tenant=None):
|
|
LOG.debug("Updating count stats for {api}, {method} on object {object}"
|
|
.format(api=api, method=method, object=v1.stats))
|
|
v1.stats.add_api_request(tenant, ex_time)
|
|
v1.stats.request_count += 1
|
|
|
|
|
|
def update_error_count(api, method, ex_time, tenant=None):
|
|
LOG.debug("Updating count stats for {api}, {method} on object "
|
|
"{object}".format(api=api, method=method, object=v1.stats))
|
|
v1.stats.add_api_error(tenant, ex_time)
|
|
v1.stats.error_count += 1
|
|
v1.stats.request_count += 1
|
|
|
|
|
|
def init_stats():
|
|
if not v1.stats:
|
|
v1.stats = RequestStatisticsCollection()
|
|
|
|
|
|
class Controller(object):
|
|
def get(self, request):
|
|
model = stats.Statistics()
|
|
entries = model.get_all()
|
|
ent_list = []
|
|
for entry in entries:
|
|
ent_list.append(entry.to_dict())
|
|
return ent_list
|
|
|
|
|
|
def create_resource():
|
|
return wsgi.Resource(Controller())
|