conf: remove deprecated barbican options

* removed deprecated barbican options
* fixed formatting in key_manager_opts list

Change-Id: Ia889084dc563c145e68390f75c53fac92b3f3ae6
Implements: blueprint centralize-config-options-ocata

nova/conf/key_manager.py

@@ -14,7 +14,6 @@
 #    under the License.
 
 from castellan import options as castellan_opts
-from keystoneauth1 import loading as ks_loading
 from oslo_config import cfg
 
 key_manager_group = cfg.OptGroup(
@@ -22,10 +21,11 @@ key_manager_group = cfg.OptGroup(
     title='Key manager options')
 
 key_manager_opts = [
+    # TODO(raj_singh): Deprecate or move this option to The Castellan library
     cfg.StrOpt(
         'fixed_key',
         deprecated_group='keymgr',
-            help="""
+        help="""
 Fixed key returned by key manager, specified in hex.
 
 Possible values:
@@ -34,67 +34,28 @@ Possible values:
 """),
 ]
 
-barbican_group = cfg.OptGroup(
-    "barbican",
-    title="Barbican options")
-
-barbican_opts = [
-    cfg.StrOpt("catalog_info",
-               default="key-manager:barbican:public",
-               deprecated_for_removal=True,
-               deprecated_since="14.0.0",
-               deprecated_reason="This option have been moved to the "
-                                 "Castellan library",
-               help="""
-Info to match when looking for barbican in the service
-catalog. Format is: separated values of the form:
-<service_type>:<service_name>:<endpoint_type>
-"""),
-    cfg.StrOpt("endpoint_template",
-               deprecated_for_removal=True,
-               deprecated_since="14.0.0",
-               deprecated_reason="This option have been moved to the "
-                                 "Castellan library",
-               help="""
-Override service catalog lookup with template for
-barbican endpoint e.g.
-http://localhost:9311/v1/%(project_id)s
-"""),
-    cfg.StrOpt("os_region_name",
-               deprecated_for_removal=True,
-               deprecated_since="14.0.0",
-               deprecated_reason="This option have been moved to the "
-                                 "Castellan library",
-               help='Region name of this node'),
-]
-
 
 def register_opts(conf):
     castellan_opts.set_defaults(conf)
     conf.register_group(key_manager_group)
     conf.register_opts(key_manager_opts, group=key_manager_group)
-    # TODO(raj_singh): Todo: Code block below is deprecated and will be removed
-    # post Newton
-    conf.register_group(barbican_group)
-    conf.register_opts(barbican_opts, group=barbican_group)
-    ks_loading.register_session_conf_options(conf, barbican_group.name)
 
 
 def list_opts():
-    # Castellan library also has a group name barbican and key_manager. So if
+    # Castellan library also has a group name key_manager. So if
     # we append list returned from Castellan to this list, oslo will remove
     # one group as duplicate and only one group (either from this file or
     # Castellan library) will show up. So fix is to merge options of same
     # group name from this file and Castellan library
-    opts = {barbican_group.name: barbican_opts,
-            key_manager_group.name: key_manager_opts}
+    opts = {key_manager_group.name: key_manager_opts}
     for group, options in castellan_opts.list_opts():
         if group not in opts.keys():
             opts[group] = options
         else:
             opts[group] = opts[group] + options
     return opts
-    # TODO(raj_singh): Post Newton delete code block from above and comment in
-    # line below. Castellan already returned a list which can be returned
+    # TODO(raj_singh): When the last option "fixed_key" is removed/moved from
+    # this file, then comment in code below and delete the code block above.
+    # Castellan already returned a list which can be returned
     # directly from list_opts()
     # return castellan_opts.list_opts()

releasenotes/notes/remove_deprecated_barbican_config_opts-7eb4e801d0ac252f.yaml

@@ -0,0 +1,10 @@
+---
+upgrade:
+  - |
+    Configuration options related to the Barbican were deprecated and now
+    completly removed from ``barbican`` group. These options are available in
+    the Castellan library. Following are the affected options:
+
+    - ``barbican.catalog_info``
+    - ``barbican.endpoint_template``
+    - ``barbican.os_region_name``