Centralize config options - [iscsi]

Nova style refactor of config options in Ironic.

Change-Id: I238af0a0d92073cdf62b5303550e5ada25a69655
Partial-Bug: #1561100

ironic/conf/__init__.py

@@ -32,6 +32,7 @@ from ironic.conf import ilo
 from ironic.conf import inspector
 from ironic.conf import ipmi
 from ironic.conf import irmc
+from ironic.conf import iscsi
 from ironic.conf import keystone
 from ironic.conf import metrics
 from ironic.conf import metrics_statsd
@@ -64,6 +65,7 @@ ilo.register_opts(CONF)
 inspector.register_opts(CONF)
 ipmi.register_opts(CONF)
 irmc.register_opts(CONF)
+iscsi.register_opts(CONF)
 keystone.register_opts(CONF)
 metrics.register_opts(CONF)
 metrics_statsd.register_opts(CONF)

ironic/conf/iscsi.py

@@ -0,0 +1,30 @@
+# Copyright 2016 Intel Corporation
+# Copyright 2013 Hewlett-Packard Development Company, L.P.
+# All Rights Reserved.
+#
+#    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
+
+from ironic.common.i18n import _
+
+opts = [
+    cfg.PortOpt('portal_port',
+                default=3260,
+                help=_('The port number on which the iSCSI portal listens '
+                       'for incoming connections.')),
+]
+
+
+def register_opts(conf):
+    conf.register_opts(opts, group='iscsi')

ironic/conf/opts.py

@@ -14,7 +14,6 @@ import itertools
 
 import ironic.drivers.modules.amt.common
 import ironic.drivers.modules.amt.power
-import ironic.drivers.modules.iscsi_deploy
 
 _default_opt_lists = [
     ironic.conf.default.api_opts,
@@ -50,7 +49,7 @@ _opts = [
     ('inspector', ironic.conf.inspector.list_opts()),
     ('ipmi', ironic.conf.ipmi.opts),
     ('irmc', ironic.conf.irmc.opts),
-    ('iscsi', ironic.drivers.modules.iscsi_deploy.iscsi_opts),
+    ('iscsi', ironic.conf.iscsi.opts),
     ('keystone', ironic.conf.keystone.opts),
     ('metrics', ironic.conf.metrics.opts),
     ('metrics_statsd', ironic.conf.metrics_statsd.opts),

ironic/drivers/modules/iscsi_deploy.py

@@ -18,7 +18,6 @@ import os
 from ironic_lib import disk_utils
 from ironic_lib import metrics_utils
 from ironic_lib import utils as ironic_utils
-from oslo_config import cfg
 from oslo_log import log as logging
 from oslo_utils import fileutils
 from six.moves.urllib import parse
@@ -40,15 +39,6 @@ LOG = logging.getLogger(__name__)
 
 METRICS = metrics_utils.get_metrics_logger(__name__)
 
-iscsi_opts = [
-    cfg.PortOpt('portal_port',
-                default=3260,
-                help=_('The port number on which the iSCSI portal listens '
-                       'for incoming connections.')),
-]
-
-CONF.register_opts(iscsi_opts, group='iscsi')
-
 DISK_LAYOUT_PARAMS = ('root_gb', 'swap_mb', 'ephemeral_gb')