Support new osprofiler API

Notifier initialization moved to osprofiler. Added call
to init_from_conf method that does it.
Fixed osprofiler admin context.

Change-Id: Ic5c7bf72cafe077f6a77639fa439a61d39f89126
Depends-On: I77d0d3b5e9e725507916724dcd28d5fbc6f7f5c7

neutron/common/profiler.py

@@ -12,12 +12,13 @@
 
 from oslo_config import cfg
 from oslo_log import log as logging
-import oslo_messaging
-import osprofiler.notifier
+import osprofiler.initializer
 from osprofiler import opts as profiler_opts
 import osprofiler.web
 
 from neutron._i18n import _LI
+from neutron import context
+
 
 CONF = cfg.CONF
 profiler_opts.set_defaults(CONF)
@@ -33,11 +34,13 @@ def setup(name, host='0.0.0.0'):  # nosec
                  specified host name / address usage is highly recommended.
     """
     if CONF.profiler.enabled:
-        _notifier = osprofiler.notifier.create(
-            "Messaging", oslo_messaging, {},
-            oslo_messaging.get_transport(CONF), "neutron", name, host)
-        osprofiler.notifier.set(_notifier)
-        osprofiler.web.enable(CONF.profiler.hmac_keys)
+        osprofiler.initializer.init_from_conf(
+            conf=CONF,
+            context=context.get_admin_context(),
+            project="neutron",
+            service=name,
+            host=host
+        )
         LOG.info(_LI("OSProfiler is enabled.\n"
                      "Traces provided from the profiler "
                      "can only be subscribed to using the same HMAC keys that "

neutron/db/api.py

@@ -33,7 +33,6 @@ from sqlalchemy.orm import exc
 import traceback
 
 from neutron._i18n import _LE
-from neutron.common import profiler  # noqa
 
 
 def set_hook(engine):