notifier: stop using global conf object

Change-Id: I99b1eb1b7fedbe86320f6d843213418b3c38c530

aodh/notifier/__init__.py

@@ -31,6 +31,10 @@ LOG = logging.getLogger(__name__)
 class AlarmNotifier(object):
     """Base class for alarm notifier plugins."""
 
+    @staticmethod
+    def __init__(conf):
+        pass
+
     @abc.abstractmethod
     def notify(self, action, alarm_id, alarm_name, severity, previous,
                current, reason, reason_data):
@@ -58,7 +62,8 @@ class AlarmNotifierService(os_service.Service):
 
         self.notifiers = extension.ExtensionManager(
             self.NOTIFIER_EXTENSIONS_NAMESPACE,
-            invoke_on_load=True)
+            invoke_on_load=True,
+            invoke_args=(conf,))
 
     def start(self):
         super(AlarmNotifierService, self).start()

aodh/notifier/rest.py

@@ -58,8 +58,11 @@ cfg.CONF.register_opts(OPTS)
 class RestAlarmNotifier(notifier.AlarmNotifier):
     """Rest alarm notifier."""
 
-    @staticmethod
-    def notify(action, alarm_id, alarm_name, severity, previous,
+    def __init__(self, conf):
+        super(RestAlarmNotifier, self).__init__(conf)
+        self.conf = conf
+
+    def notify(self, action, alarm_id, alarm_name, severity, previous,
                current, reason, reason_data, headers=None):
         headers = headers or {}
         if not headers.get('x-openstack-request-id'):
@@ -82,14 +85,14 @@ class RestAlarmNotifier(notifier.AlarmNotifier):
                   'headers': headers}
 
         if action.scheme == 'https':
-            default_verify = int(cfg.CONF.rest_notifier_ssl_verify)
+            default_verify = int(self.conf.rest_notifier_ssl_verify)
             options = urlparse.parse_qs(action.query)
             verify = bool(int(options.get('aodh-alarm-ssl-verify',
                                           [default_verify])[-1]))
             kwargs['verify'] = verify
 
-            cert = cfg.CONF.rest_notifier_certificate_file
-            key = cfg.CONF.rest_notifier_certificate_key
+            cert = self.conf.rest_notifier_certificate_file
+            key = self.conf.rest_notifier_certificate_key
             if cert:
                 kwargs['cert'] = (cert, key) if key else cert
 
@@ -97,7 +100,7 @@ class RestAlarmNotifier(notifier.AlarmNotifier):
         # library. However, there's no interval between retries in urllib3
         # implementation. It will be better to put some interval between
         # retries (future work).
-        max_retries = cfg.CONF.rest_notifier_max_retries
+        max_retries = self.conf.rest_notifier_max_retries
         session = requests.Session()
         session.mount(action.geturl(),
                       requests.adapters.HTTPAdapter(max_retries=max_retries))

aodh/notifier/test.py

@@ -1,5 +1,5 @@
 #
-# Copyright 2013 eNovance
+# Copyright 2013-2015 eNovance
 #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
 # not use this file except in compliance with the License. You may obtain
@@ -20,7 +20,8 @@ from aodh import notifier
 class TestAlarmNotifier(notifier.AlarmNotifier):
     "Test alarm notifier."""
 
-    def __init__(self):
+    def __init__(self, conf):
+        super(TestAlarmNotifier, self).__init__(conf)
         self.notifications = []
 
     def notify(self, action, alarm_id, alarm_name, severity,

aodh/notifier/trust.py

@@ -14,7 +14,6 @@
 # under the License.
 """Rest alarm notifier with trusted authentication."""
 
-from oslo_config import cfg
 from six.moves.urllib import parse
 
 from aodh import keystone_client
@@ -31,12 +30,11 @@ class TrustRestAlarmNotifier(rest.RestAlarmNotifier):
     The URL must be in the form trust+http://trust-id@host/action.
     """
 
-    @staticmethod
-    def notify(action, alarm_id, alarm_name, severity, previous, current,
+    def notify(self, action, alarm_id, alarm_name, severity, previous, current,
                reason, reason_data):
         trust_id = action.username
 
-        client = keystone_client.get_v3_client(cfg.CONF, trust_id)
+        client = keystone_client.get_v3_client(self.conf, trust_id)
 
         # Remove the fake user
         netloc = action.netloc.split("@")[1]
@@ -47,6 +45,6 @@ class TrustRestAlarmNotifier(rest.RestAlarmNotifier):
                                    action.fragment)
 
         headers = {'X-Auth-Token': client.auth_token}
-        rest.RestAlarmNotifier.notify(
+        super(TrustRestAlarmNotifier, self).notify(
             action, alarm_id, alarm_name, severity, previous, current, reason,
             reason_data, headers)