Update Higgins compute agent with Zun

As we are renaming Higgins to Zun, we need to update
higgins compute agent to zun compute agent.

Change-Id: I5be3c9cbfa5b066bc76fbddeac4ad0679a751453

zun/cmd/compute.py

@@ -19,22 +19,22 @@ from oslo_config import cfg
 from oslo_log import log as logging
 from oslo_service import service
 
-from higgins.common import rpc_service
+from zun.common import rpc_service
-from higgins.common import service as higgins_service
+from zun.common import service as zun_service
-from higgins.common import short_id
+from zun.common import short_id
-from higgins.compute import manager as compute_manager
+from zun.compute import manager as compute_manager
-from higgins.i18n import _LI
+from zun.i18n import _LI
 
 LOG = logging.getLogger(__name__)
 
 
 def main():
-    higgins_service.prepare_service(sys.argv)
+    zun_service.prepare_service(sys.argv)
 
     LOG.info(_LI('Starting server in PID %s'), os.getpid())
     cfg.CONF.log_opt_values(LOG, logging.DEBUG)
 
-    cfg.CONF.import_opt('topic', 'higgins.compute.config', group='compute')
+    cfg.CONF.import_opt('topic', 'zun.compute.config', group='compute')
 
     compute_id = short_id.generate_id()
     endpoints = [
@@ -42,6 +42,6 @@ def main():
     ]
 
     server = rpc_service.Service.create(cfg.CONF.compute.topic, compute_id,
-                                        endpoints, binary='higgins-compute')
+                                        endpoints, binary='zun-compute')
     launcher = service.launch(cfg.CONF, server)
     launcher.wait()

zun/compute/api.py

@@ -14,7 +14,7 @@
 
 from oslo_config import cfg
 
-from higgins.common import rpc_service
+from zun.common import rpc_service
 
 
 class API(rpc_service.API):
@@ -28,7 +28,7 @@ class API(rpc_service.API):
     def __init__(self, transport=None, context=None, topic=None):
         if topic is None:
             cfg.CONF.import_opt(
-                'topic', 'higgins.compute.config', group='compute')
+                'topic', 'zun.compute.config', group='compute')
 
         super(API, self).__init__(
             transport, context, topic=cfg.CONF.compute.topic)

zun/compute/config.py

@@ -17,11 +17,11 @@ from oslo_config import cfg
 SERVICE_OPTS = [
     cfg.StrOpt(
         'topic',
-        default='higgins-compute',
+        default='zun-compute',
         help='The queue to add compute tasks to.'),
 ]
 
 opt_group = cfg.OptGroup(
-    name='compute', title='Options for the higgins-compute service')
+    name='compute', title='Options for the zun-compute service')
 cfg.CONF.register_group(opt_group)
 cfg.CONF.register_opts(SERVICE_OPTS, opt_group)