Centralize config option: docker section

Centralize config option of docker section.
Replace oslo_conf cfg to magnum.conf.

Change-Id: Ic8b2b2f0f9bfc6b02d75f57fab00c548b9d8f482
Implements: blueprint centralize-config-magnum

magnum/common/docker_utils.py

@@ -17,37 +17,13 @@ import docker
 from docker import client
 from docker import tls
 from docker.utils import utils
-from oslo_config import cfg
 
 from magnum.conductor.handlers.common import cert_manager
 from magnum.conductor import utils as conductor_utils
+import magnum.conf
 
 
-docker_opts = [
-    cfg.StrOpt('docker_remote_api_version',
-               default='1.20',
-               help='Docker remote api version. Override it according to '
-                    'specific docker api version in your environment.'),
-    cfg.IntOpt('default_timeout',
-               default=60,
-               help='Default timeout in seconds for docker client '
-                    'operations.'),
-    cfg.BoolOpt('api_insecure',
-                default=False,
-                help='If set, ignore any SSL validation issues'),
-    cfg.StrOpt('ca_file',
-               help='Location of CA certificates file for '
-                    'securing docker api requests (tlscacert).'),
-    cfg.StrOpt('cert_file',
-               help='Location of TLS certificate file for '
-                    'securing docker api requests (tlscert).'),
-    cfg.StrOpt('key_file',
-               help='Location of TLS private key file for '
-                    'securing docker api requests (tlskey).'),
-]
-
-CONF = cfg.CONF
-CONF.register_opts(docker_opts, 'docker')
+CONF = magnum.conf.CONF
 
 
 def parse_docker_image(image):

magnum/conductor/monitors.py

@@ -15,23 +15,17 @@
 
 import abc
 
-from oslo_config import cfg
 from oslo_log import log
 from oslo_utils import importutils
 import six
 
+import magnum.conf
 from magnum.objects import fields
 
 
 LOG = log.getLogger(__name__)
 
-CONF = cfg.CONF
-CONF.import_opt('docker_remote_api_version',
-                'magnum.common.docker_utils',
-                group='docker')
-CONF.import_opt('default_timeout',
-                'magnum.common.docker_utils',
-                group='docker')
+CONF = magnum.conf.CONF
 
 COE_CLASS_PATH = {
     fields.ClusterType.SWARM: 'magnum.conductor.swarm_monitor.SwarmMonitor',

magnum/conf/__init__.py

@@ -24,7 +24,7 @@ from magnum.conf import cluster_heat
 from magnum.conf import cluster_templates
 from magnum.conf import conductor
 from magnum.conf import database
-# from magnum.conf import docker
+from magnum.conf import docker
 from magnum.conf import glance
 from magnum.conf import heat
 # from magnum.conf import keystone
@@ -48,7 +48,7 @@ cluster_heat.register_opts(CONF)
 cinder.register_opts(CONF)
 conductor.register_opts(CONF)
 database.register_opts(CONF)
-# docker.register_opts(CONF)
+docker.register_opts(CONF)
 glance.register_opts(CONF)
 heat.register_opts(CONF)
 # keystone.register_opts(CONF)

magnum/conf/docker.py

@@ -0,0 +1,50 @@
+# 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_config import cfg
+
+docker_group = cfg.OptGroup(name='docker',
+                            title='Options for Docker engine')
+
+docker_opts = [
+    cfg.StrOpt('docker_remote_api_version',
+               default='1.20',
+               help='Docker remote api version. Override it according to '
+                    'specific docker api version in your environment.'),
+    cfg.IntOpt('default_timeout',
+               default=60,
+               help='Default timeout in seconds for docker client '
+                    'operations.'),
+    cfg.BoolOpt('api_insecure',
+                default=False,
+                help='If set, ignore any SSL validation issues'),
+    cfg.StrOpt('ca_file',
+               help='Location of CA certificates file for '
+                    'securing docker api requests (tlscacert).'),
+    cfg.StrOpt('cert_file',
+               help='Location of TLS certificate file for '
+                    'securing docker api requests (tlscert).'),
+    cfg.StrOpt('key_file',
+               help='Location of TLS private key file for '
+                    'securing docker api requests (tlskey).'),
+]
+
+
+def register_opts(conf):
+    conf.register_group(docker_group)
+    conf.register_opts(docker_opts, group=docker_group)
+
+
+def list_opts():
+    return {
+        docker_group: docker_opts
+    }

magnum/opts.py

@@ -17,7 +17,6 @@ import itertools
 
 import magnum.common.cert_manager
 from magnum.common.cert_manager import local_cert_manager
-import magnum.common.docker_utils
 import magnum.common.exception
 import magnum.common.x509.config
 import magnum.db
@@ -26,7 +25,6 @@ import magnum.drivers.common.template_def
 
 def list_opts():
     return [
-        ('docker', magnum.common.docker_utils.docker_opts),
         ('trust', magnum.common.keystone.trust_opts),
         ('x509', magnum.common.x509.config.x509_opts),
         ('certificates',

magnum/tests/functional/swarm/test_swarm_python_client.py

@@ -13,19 +13,15 @@
 import time
 
 from docker import errors
-from oslo_config import cfg
 from requests import exceptions as req_exceptions
 
 from magnum.common import docker_utils
+import magnum.conf
 from magnum.i18n import _LI
 from magnum.tests.functional.python_client_base import ClusterTest
 
 
-CONF = cfg.CONF
-CONF.import_opt('docker_remote_api_version', 'magnum.common.docker_utils',
-                group='docker')
-CONF.import_opt('default_timeout', 'magnum.common.docker_utils',
-                group='docker')
+CONF = magnum.conf.CONF
 
 
 class TestSwarmAPIs(ClusterTest):

magnum/tests/unit/common/test_docker_utils.py

@@ -14,18 +14,13 @@
 
 from docker import client as docker_py_client
 import mock
-from oslo_config import cfg
 
 from magnum.common import docker_utils
+import magnum.conf
 from magnum.tests import base
 
 
-CONF = cfg.CONF
-
-CONF.import_opt('docker_remote_api_version', 'magnum.common.docker_utils',
-                group='docker')
-CONF.import_opt('default_timeout', 'magnum.common.docker_utils',
-                group='docker')
+CONF = magnum.conf.CONF
 
 
 class TestDockerUtils(base.BaseTestCase):