Fix missing instance_ports_cache options

Also remove skipsdist to fix genconfig target in tox.

Change-Id: I4320c98bd0cd20b4192caa5de32b0e79f097ccb1

tox.ini

@@ -1,7 +1,6 @@
 [tox]
 envlist = py3,pep8,cover,api-ref,releasenotes,bandit,fakemodetests
 minversion = 3.18.0
-skipsdist = True
 
 [testenv]
 setenv = VIRTUAL_ENV={envdir}

trove/common/cache.py

@@ -18,6 +18,20 @@ from oslo_cache import core
 from oslo_config import cfg
 
 
+PORTS_CACHE_GROUP = cfg.OptGroup('instance_ports_cache')
+PORTS_CACHE_OPTS = [
+    cfg.IntOpt('expiration_time', default=86400,
+               help='TTL, in seconds, for any cached item in the '
+                    'dogpile.cache region used for caching of the '
+                    'instance ports.'),
+    cfg.BoolOpt("caching", default=True,
+                help='Toggle to enable/disable caching when getting trove '
+                     'instance ports. Please note that the global toggle '
+                     'for oslo.cache(enabled=True in [cache] group) '
+                     'must be enabled to use this feature.')
+]
+
+
 def register_cache_configurations(conf):
     """Register all configurations required for oslo.cache.
 
@@ -26,20 +40,8 @@ def register_cache_configurations(conf):
     """
     core.configure(conf)
 
-    ports_cache_group = cfg.OptGroup('instance_ports_cache')
-    ports_cache_opts = [
-        cfg.IntOpt('expiration_time', default=86400,
-                   help='TTL, in seconds, for any cached item in the '
-                        'dogpile.cache region used for caching of the '
-                        'instance ports.'),
-        cfg.BoolOpt("caching", default=True,
-                    help='Toggle to enable/disable caching when getting trove '
-                         'instance ports. Please note that the global toggle '
-                         'for oslo.cache(enabled=True in [cache] group) '
-                         'must be enabled to use this feature.')
-    ]
-    conf.register_group(ports_cache_group)
-    conf.register_opts(ports_cache_opts, group=ports_cache_group)
+    conf.register_group(PORTS_CACHE_GROUP)
+    conf.register_opts(PORTS_CACHE_OPTS, group=PORTS_CACHE_GROUP)
 
     return conf
 

trove/common/cfg.py

@@ -28,6 +28,7 @@ from oslo_log import versionutils
 from oslo_middleware import cors
 from osprofiler import opts as profiler
 
+from trove.common import cache
 from trove.common.i18n import _
 from trove.version import version_info as version
 
@@ -1611,6 +1612,7 @@ def list_opts():
         (network_group, network_opts),
         (service_credentials_group, service_credentials_opts),
         (guest_agent_group, guest_agent_opts),
+        (cache.PORTS_CACHE_GROUP, cache.PORTS_CACHE_OPTS)
     ]
 
     return keystone_middleware_opts + keystone_loading_opts + trove_opts