diff options
Diffstat (limited to 'nova/api')
| -rw-r--r-- | nova/api/openstack/zones.py | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/nova/api/openstack/zones.py b/nova/api/openstack/zones.py index 16e5e366b..bd2c488d9 100644 --- a/nova/api/openstack/zones.py +++ b/nova/api/openstack/zones.py @@ -19,6 +19,7 @@ import logging from nova import flags from nova import wsgi from nova import db +from nova import rpc FLAGS = flags.FLAGS @@ -33,6 +34,10 @@ def _filter_keys(item, keys): return dict((k, v) for k, v in item.iteritems() if k in keys) +def _exclude_keys(item, keys): + return dict((k, v) for k, v in item.iteritems() if k not in keys) + + def _scrub_zone(zone): return _filter_keys(zone, ('id', 'api_url')) @@ -44,11 +49,34 @@ class Controller(wsgi.Controller): "attributes": { "zone": ["id", "api_url", "name", "capabilities"]}}} + def _call_scheduler(self, method, context, params=None): + """Generic handler for RPC calls to the scheduler. + + :param params: Optional dictionary of arguments to be passed to the + scheduler worker + + :retval: Result returned by scheduler worker + """ + if not params: + params = {} + queue = FLAGS.scheduler_topic + kwargs = {'method': method, 'args': params} + return rpc.call(context, queue, kwargs) + def index(self, req): """Return all zones in brief""" - items = db.zone_get_all(req.environ['nova.context']) + # Ask the ZoneManager in the Scheduler for most recent data. + items = self._call_scheduler('get_zone_list', + req.environ['nova.context']) + for item in items: + item['api_url'] = item['api_url'].replace('\\/', '/') + + # Or fall-back to the database ... + if len(items) == 0: + items = db.zone_get_all(req.environ['nova.context']) items = common.limited(items, req) - items = [_scrub_zone(item) for item in items] + items = [_exclude_keys(item, ['username', 'password']) + for item in items] return dict(zones=items) def detail(self, req): |