Sync log from oslo

5fef5a8105 allow keeping of existing loggers with fileConfig
fb8075a19d Add amqp=WARN,qpid=WARN to default_log_levels
4654a5d247 Don't override default value for eventlet.wsgi.server logging
41ddd7a975 _get_log_file_path explictly return, when logfile/logdire unset
e12e6b45f8 Make openstack.common.log Python 3 compatible

DocImpact

Change-Id: I19228304dcef8a4f7e6022d97eb652da647df879
Add an insecure option for Keystone client

Change-Id: I05cea4c79ad89d2c55008ea0d7ba9eefa5908fa2
Closes-Bug: #1232437
Stop using openstack.common.exception

The openstack.common.exception has been deprecated and removed from
oslo-incubator. Therefore, Ceilometer should follow the recommendation
and stop the usage of this file altogether.

Closes-Bug: #1208734
Change-Id: Ida4530d2f966f97b980db333f08a990250b7b68d
Corrected import order

Enabled H306 in tox.ini and corrected the import order.

Change-Id: If77984e8c62b0ec0cfb3d068e9c1b0d4d7c3583d
Merge "Stop using openstack.common.exception"
Merge "Add an insecure option for Keystone client"
Replace mox with mock in tests.api.v2.test_compute

tests/api/v2/test_compute_duration_by_resource_scenarios.py

Change-Id: Iced06504b1ac292bc9be0397e92f68067c53f1e2
Replace mox with mock in tests.api.v1

Change-Id: I2a8f4647a383aed64771cb5d273c1712f8ff8c19
Merge "Sync log from oslo"
Merge "Replace mox with mock in tests.api.v2.test_compute"
Merge "Replace mox with mock in tests.api.v1"