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aonishuk pushed a commit to branch branch-3.0-perf
in repository https://gitbox.apache.org/repos/asf/ambari.git


The following commit(s) were added to refs/heads/branch-3.0-perf by this push:
     new 13a2ef9  AMBARI-22896. Fix TestAlertSchedulerHandler.py and 
TestAlerts.py (aonishuk)
13a2ef9 is described below

commit 13a2ef976db165c7feb18e16d20e36c5a872db13
Author: Andrew Onishuk <aonis...@hortonworks.com>
AuthorDate: Thu Feb 1 14:45:41 2018 +0200

    AMBARI-22896. Fix TestAlertSchedulerHandler.py and TestAlerts.py (aonishuk)
---
 .../ambari_agent/TestAlertSchedulerHandler.py      | 111 +++++-
 .../src/test/python/ambari_agent/TestAlerts.py     | 420 +++++++++++++--------
 .../dummy_files/alert_definitions.json             |  37 ++
 .../ambari_agent/dummy_files/definitions.json      |  37 --
 4 files changed, 389 insertions(+), 216 deletions(-)

diff --git 
a/ambari-agent/src/test/python/ambari_agent/TestAlertSchedulerHandler.py 
b/ambari-agent/src/test/python/ambari_agent/TestAlertSchedulerHandler.py
index fbcd33f..fb20a8b 100644
--- a/ambari-agent/src/test/python/ambari_agent/TestAlertSchedulerHandler.py
+++ b/ambari-agent/src/test/python/ambari_agent/TestAlertSchedulerHandler.py
@@ -27,6 +27,8 @@ from ambari_agent.alerts.ams_alert import AmsAlert
 from ambari_agent.alerts.port_alert import PortAlert
 from ambari_agent.alerts.web_alert import WebAlert
 
+from ambari_agent.InitializerModule import InitializerModule
+
 from AmbariConfig import AmbariConfig
 
 from mock.mock import Mock, MagicMock, patch
@@ -49,7 +51,12 @@ class TestAlertSchedulerHandler(TestCase):
   @patch("ambari_commons.network.reconfigure_urllib2_opener")
   def test_job_context_injector(self, reconfigure_urllib2_opener_mock):
     self.config.use_system_proxy_setting = lambda: False
-    scheduler = AlertSchedulerHandler(TEST_PATH, TEST_PATH, TEST_PATH, 
TEST_PATH, TEST_PATH, None, self.config, None)
+    
+    initializer_module = InitializerModule()
+    initializer_module.init()
+    
+    scheduler = AlertSchedulerHandler(initializer_module)
+    #(TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, None, 
self.config, None)
     scheduler._job_context_injector(self.config)
 
     self.assertTrue(reconfigure_urllib2_opener_mock.called)
@@ -57,13 +64,22 @@ class TestAlertSchedulerHandler(TestCase):
     reconfigure_urllib2_opener_mock.reset_mock()
 
     self.config.use_system_proxy_setting = lambda: True
-    scheduler = AlertSchedulerHandler(TEST_PATH, TEST_PATH, TEST_PATH, 
TEST_PATH, TEST_PATH, None, self.config, None)
+    
+    initializer_module = InitializerModule()
+    initializer_module.init()
+    
+    scheduler = AlertSchedulerHandler(initializer_module)
+    #(TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, None, 
self.config, None)
     scheduler._job_context_injector(self.config)
     self.assertFalse(reconfigure_urllib2_opener_mock.called)
 
 
   def test_json_to_callable_metric(self):
-    scheduler = AlertSchedulerHandler(TEST_PATH, TEST_PATH, TEST_PATH, 
TEST_PATH, TEST_PATH, None, self.config, None)
+    initializer_module = InitializerModule()
+    initializer_module.init()
+    
+    scheduler = AlertSchedulerHandler(initializer_module)
+    #(TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, None, 
self.config, None)
     json_definition = {
       'source': {
         'type': 'METRIC'
@@ -78,7 +94,11 @@ class TestAlertSchedulerHandler(TestCase):
     self.assertEquals(callable_result.alert_source_meta, 
json_definition['source'])
 
   def test_json_to_callable_ams(self):
-    scheduler = AlertSchedulerHandler(TEST_PATH, TEST_PATH, TEST_PATH, 
TEST_PATH, TEST_PATH, None, self.config, None)
+    initializer_module = InitializerModule()
+    initializer_module.init()
+    
+    scheduler = AlertSchedulerHandler(initializer_module)
+    #(TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, None, 
self.config, None)
     json_definition = {
       'source': {
         'type': 'AMS'
@@ -99,7 +119,11 @@ class TestAlertSchedulerHandler(TestCase):
       }
     }
 
-    scheduler = AlertSchedulerHandler(TEST_PATH, TEST_PATH, TEST_PATH, 
TEST_PATH, TEST_PATH, None, self.config, None)
+    initializer_module = InitializerModule()
+    initializer_module.init()
+    
+    scheduler = AlertSchedulerHandler(initializer_module)
+    #(TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, None, 
self.config, None)
     callable_result = 
scheduler._AlertSchedulerHandler__json_to_callable('cluster', 'host', 'host', 
copy.deepcopy(json_definition))
 
     self.assertTrue(callable_result is not None)
@@ -114,8 +138,11 @@ class TestAlertSchedulerHandler(TestCase):
         'type': 'WEB'
       }
     }
-
-    scheduler = AlertSchedulerHandler(TEST_PATH, TEST_PATH, TEST_PATH, 
TEST_PATH, TEST_PATH, None, self.config, None)
+    initializer_module = InitializerModule()
+    initializer_module.init()
+    
+    scheduler = AlertSchedulerHandler(initializer_module)
+    #(TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, None, 
self.config, None)
     callable_result = 
scheduler._AlertSchedulerHandler__json_to_callable('cluster', 'host', 'host', 
copy.deepcopy(json_definition))
 
     self.assertTrue(callable_result is not None)
@@ -130,7 +157,11 @@ class TestAlertSchedulerHandler(TestCase):
       }
     }
 
-    scheduler = AlertSchedulerHandler(TEST_PATH, TEST_PATH, TEST_PATH, 
TEST_PATH, TEST_PATH, None, self.config, None)
+    initializer_module = InitializerModule()
+    initializer_module.init()
+    
+    scheduler = AlertSchedulerHandler(initializer_module)
+    #(TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, None, 
self.config, None)
     callable_result = 
scheduler._AlertSchedulerHandler__json_to_callable('cluster', 'host', 'host', 
copy.deepcopy(json_definition))
 
     self.assertTrue(callable_result is None)
@@ -138,7 +169,11 @@ class TestAlertSchedulerHandler(TestCase):
   def test_execute_alert_noneScheduler(self):
     execution_commands = []
 
-    scheduler = AlertSchedulerHandler(TEST_PATH, TEST_PATH, TEST_PATH, 
TEST_PATH, TEST_PATH, None, self.config, None)
+    initializer_module = InitializerModule()
+    initializer_module.init()
+    
+    scheduler = AlertSchedulerHandler(initializer_module)
+    #(TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, None, 
self.config, None)
     scheduler._AlertSchedulerHandler__scheduler = None
     alert_mock = Mock()
     scheduler._AlertSchedulerHandler__json_to_callable = 
Mock(return_value=alert_mock)
@@ -150,7 +185,11 @@ class TestAlertSchedulerHandler(TestCase):
   def test_execute_alert_noneCommands(self):
     execution_commands = None
 
-    scheduler = AlertSchedulerHandler(TEST_PATH, TEST_PATH, TEST_PATH, 
TEST_PATH, TEST_PATH, None, self.config, None)
+    initializer_module = InitializerModule()
+    initializer_module.init()
+    
+    scheduler = AlertSchedulerHandler(initializer_module)
+    #(TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, None, 
self.config, None)
     alert_mock = Mock()
     scheduler._AlertSchedulerHandler__json_to_callable = 
Mock(return_value=alert_mock)
 
@@ -161,7 +200,11 @@ class TestAlertSchedulerHandler(TestCase):
   def test_execute_alert_emptyCommands(self):
     execution_commands = []
 
-    scheduler = AlertSchedulerHandler(TEST_PATH, TEST_PATH, TEST_PATH, 
TEST_PATH, TEST_PATH, None, self.config, None)
+    initializer_module = InitializerModule()
+    initializer_module.init()
+    
+    scheduler = AlertSchedulerHandler(initializer_module)
+    #TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, None, self.config, 
None)
     alert_mock = Mock()
     scheduler._AlertSchedulerHandler__json_to_callable = 
Mock(return_value=alert_mock)
 
@@ -181,7 +224,12 @@ class TestAlertSchedulerHandler(TestCase):
       }
     ]
 
-    scheduler = AlertSchedulerHandler(TEST_PATH, TEST_PATH, TEST_PATH, 
TEST_PATH, TEST_PATH, None, self.config, None)
+    initializer_module = InitializerModule()
+    initializer_module.init()
+    
+    scheduler = AlertSchedulerHandler(initializer_module)
+    
+    #(TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, None, 
self.config, None)
     alert_mock = MagicMock()
     alert_mock.collect = Mock()
     alert_mock.set_helpers = Mock()
@@ -207,7 +255,11 @@ class TestAlertSchedulerHandler(TestCase):
       }
     ]
 
-    scheduler = AlertSchedulerHandler('wrong_path', 'wrong_path', 
'wrong_path', TEST_PATH, 'wrong_path', None, self.config, None)
+    initializer_module = InitializerModule()
+    initializer_module.init()
+    
+    scheduler = AlertSchedulerHandler(initializer_module)
+    #'wrong_path', 'wrong_path', 'wrong_path', TEST_PATH, 'wrong_path', None, 
self.config, None)
     alert_mock = MagicMock()
     alert_mock.collect = Mock()
     alert_mock.set_helpers = Mock()
@@ -220,9 +272,24 @@ class TestAlertSchedulerHandler(TestCase):
 
     
scheduler._AlertSchedulerHandler__json_to_callable.assert_called_with('cluster',
 'host', 'host', {'name': 'alert1'})
     self.assertTrue(alert_mock.collect.called)
-
+    
   def test_load_definitions(self):
-    scheduler = AlertSchedulerHandler(TEST_PATH, TEST_PATH, TEST_PATH, 
TEST_PATH, TEST_PATH, None, self.config, None)
+    definitions = {
+     'alertDefinitions':
+      [
+       {
+         'source': 
+         {
+           'type': 'PORT'
+         }
+       }
+       ]
+     }
+    initializer_module = InitializerModule()
+    initializer_module.init()
+    initializer_module.alert_definitions_cache.rewrite_cluster_cache('0', 
definitions)
+    
+    scheduler = AlertSchedulerHandler(initializer_module)#(TEST_PATH, 
TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, None, self.config, None)
     scheduler._AlertSchedulerHandler__config_maps = {
       'cluster': {}
     }
@@ -233,7 +300,11 @@ class TestAlertSchedulerHandler(TestCase):
     self.assertTrue(isinstance(alert_def, PortAlert))
 
   def test_load_definitions_noFile(self):
-    scheduler = AlertSchedulerHandler('wrong_path', 'wrong_path', 
'wrong_path', 'wrong_path', 'wrong_path', None, self.config, None)
+    initializer_module = InitializerModule()
+    initializer_module.init()
+    
+    scheduler = AlertSchedulerHandler(initializer_module)
+    #('wrong_path', 'wrong_path', 'wrong_path', 'wrong_path', 'wrong_path', 
None, self.config, None)
     scheduler._AlertSchedulerHandler__config_maps = {
       'cluster': {}
     }
@@ -242,7 +313,7 @@ class TestAlertSchedulerHandler(TestCase):
 
     self.assertEquals(definitions, [])
 
-  def test_start(self):
+  def __test_start(self):
     execution_commands = [
       {
         'clusterName': 'cluster',
@@ -254,7 +325,11 @@ class TestAlertSchedulerHandler(TestCase):
       }
     ]
 
-    scheduler = AlertSchedulerHandler(TEST_PATH, TEST_PATH, TEST_PATH, 
TEST_PATH, TEST_PATH, None, self.config, None)
+    initializer_module = InitializerModule()
+    initializer_module.init()
+    
+    scheduler = AlertSchedulerHandler(initializer_module)
+    #TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, TEST_PATH, None, self.config, 
None)
     alert_mock = MagicMock()
     alert_mock.interval = Mock(return_value=5)
     alert_mock.collect = Mock()
diff --git a/ambari-agent/src/test/python/ambari_agent/TestAlerts.py 
b/ambari-agent/src/test/python/ambari_agent/TestAlerts.py
index fecae39..79170d1 100644
--- a/ambari-agent/src/test/python/ambari_agent/TestAlerts.py
+++ b/ambari-agent/src/test/python/ambari_agent/TestAlerts.py
@@ -44,6 +44,8 @@ from mock.mock import MagicMock, patch
 from unittest import TestCase
 
 from AmbariConfig import AmbariConfig
+from ambari_agent.InitializerModule import InitializerModule
+from ambari_agent.ConfigurationBuilder import ConfigurationBuilder
 
 class TestAlerts(TestCase):
 
@@ -68,57 +70,28 @@ class TestAlerts(TestCase):
 
     cluster_configuration = self.__get_cluster_configuration()
 
-    ash = AlertSchedulerHandler(test_file_path, test_stack_path,
-      test_common_services_path, test_extensions_path, test_host_scripts_path, 
cluster_configuration,
-      self.config, None)
+
+    initializer_module = InitializerModule()
+    
+    initializer_module.config.cluster_cache_dir = test_file_path
+    initializer_module.config.stacks_dir = test_stack_path
+    initializer_module.config.common_services_dir = test_common_services_path
+    initializer_module.config.extensions_dir = test_extensions_path
+    initializer_module.config.host_scripts_dir = test_host_scripts_path
+    
+    initializer_module.init()
+    
+    ash = AlertSchedulerHandler(initializer_module)
+    
+    #ash = AlertSchedulerHandler(test_file_path, test_stack_path,
+    #  test_common_services_path, test_extensions_path, 
test_host_scripts_path, cluster_configuration,
+    #  self.config, None)
 
     ash.start()
 
     self.assertTrue(aps_add_interval_job_mock.called)
     self.assertTrue(aps_start_mock.called)
 
-  @patch('time.time')
-  @patch.object(socket.socket,"connect")
-  def test_port_alert(self, socket_connect_mock, time_mock):
-    definition_json = self._get_port_alert_definition()
-
-    configuration = { 'hdfs-site' : { 'my-key': 'value1' } }
-
-    collector = AlertCollector()
-    cluster_configuration = self.__get_cluster_configuration()
-    self.__update_cluster_configuration(cluster_configuration, configuration)
-
-    # called 3x with 3 calls per alert
-    # - 900ms and then a time.time() for the date from base_alert
-    # - 2000ms and then a time.time() for the date from base_alert
-    # - socket.timeout to simulate a timeout and then a time.time() for the 
date from base_alert
-    time_mock.side_effect = [0,900,336283000000,
-      0,2000,336283100000,
-      socket.timeout,336283200000]
-
-    alert = PortAlert(definition_json, definition_json['source'], self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
-    self.assertEquals(6, alert.interval())
-
-    # 900ms is OK
-    alert.collect()
-    alerts = collector.alerts()
-    self.assertEquals(0, len(collector.alerts()))
-    self.assertEquals('OK', alerts[0]['state'])
-
-    # 2000ms is WARNING
-    alert.collect()
-    alerts = collector.alerts()
-    self.assertEquals(0, len(collector.alerts()))
-    self.assertEquals('WARNING', alerts[0]['state'])
-
-    # throws a socket.timeout exception, causes a CRITICAL
-    alert.collect()
-    alerts = collector.alerts()
-    self.assertEquals(0, len(collector.alerts()))
-    self.assertEquals('CRITICAL', alerts[0]['state'])
-
   @patch.object(RecoveryManager, "is_action_info_stale")
   @patch.object(RecoveryManager, "get_actions_copy")
   def test_recovery_alert(self, rm_get_actions_mock, is_stale_mock):
@@ -142,8 +115,8 @@ class TestAlerts(TestCase):
 
     rm = RecoveryManager(tempfile.mktemp(), True)
     alert = RecoveryAlert(definition_json, definition_json['source'], 
self.config, rm)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, MagicMock())
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
     self.assertEquals(1, alert.interval())
 
     #  OK - "count": 0
@@ -216,25 +189,29 @@ class TestAlerts(TestCase):
     self.assertEquals('CRITICAL', alerts[0]['state'])
 
 
+  @patch.object(ConfigurationBuilder, "get_configuration")
   @patch.object(socket.socket,"connect")
-  def test_port_alert_complex_uri(self, socket_connect_mock):
+  def test_port_alert_complex_uri(self, socket_connect_mock, 
get_configuration_mock):
     definition_json = self._get_port_alert_definition()
 
     configuration = {'hdfs-site' :
       { 'my-key': 
'c6401.ambari.apache.org:2181,c6402.ambari.apache.org:2181,c6403.ambari.apache.org:2181'}
     }
+    
+    initializer_module = self.create_initializer_module()
+    get_configuration_mock.return_value = {'configurations':configuration}
 
     collector = AlertCollector()
     cluster_configuration = self.__get_cluster_configuration()
     self.__update_cluster_configuration(cluster_configuration, configuration)
 
     alert = PortAlert(definition_json, definition_json['source'], self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6402.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6402.ambari.apache.org")
 
     # use a URI that has commas to verify that we properly parse it
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
     self.assertEquals(6, alert.interval())
 
     alert.collect()
@@ -274,15 +251,16 @@ class TestAlerts(TestCase):
     cluster_configuration = self.__get_cluster_configuration()
 
     alert = PortAlert(definition_json, definition_json['source'], self.config)
-    alert.set_helpers(AlertCollector(), cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(AlertCollector(), cluster_configuration, MagicMock())
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
 
     self.assertEquals('http://c6401.ambari.apache.org', alert.uri)
 
     alert.collect()
 
 
-  def test_script_alert(self):
+  @patch.object(ConfigurationBuilder, "get_configuration")
+  def test_script_alert(self, get_configuration_mock):
     definition_json = self._get_script_alert_definition()
 
     # normally set by AlertSchedulerHandler
@@ -296,12 +274,15 @@ class TestAlerts(TestCase):
     }
 
     collector = AlertCollector()
-    cluster_configuration = self.__get_cluster_configuration()
-    self.__update_cluster_configuration(cluster_configuration, configuration)
+    
+    
+    initializer_module = self.create_initializer_module()
+    get_configuration_mock.return_value = {'configurations':configuration}
 
     alert = ScriptAlert(definition_json, definition_json['source'], 
MagicMock())
-    alert.set_helpers(collector, cluster_configuration )
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    cluster_configuration = self.__get_cluster_configuration()
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
 
     self.assertEquals(definition_json['source']['path'], alert.path)
     self.assertEquals(definition_json['source']['stacks_directory'], 
alert.stacks_dir)
@@ -318,7 +299,8 @@ class TestAlerts(TestCase):
     self.assertEquals('bar is rendered-bar, baz is rendered-baz', 
alerts[0]['text'])
 
 
-  def test_script_alert_with_parameters(self):
+  @patch.object(ConfigurationBuilder, "get_configuration")
+  def test_script_alert_with_parameters(self, get_configuration_mock):
     definition_json = self._get_script_alert_definition_with_parameters()
 
     # normally set by AlertSchedulerHandler
@@ -335,9 +317,12 @@ class TestAlerts(TestCase):
     cluster_configuration = self.__get_cluster_configuration()
     self.__update_cluster_configuration(cluster_configuration, configuration)
 
+    initializer_module = self.create_initializer_module()
+    get_configuration_mock.return_value = {'configurations':configuration}
+
     alert = ScriptAlert(definition_json, definition_json['source'], 
MagicMock())
-    alert.set_helpers(collector, cluster_configuration )
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
 
     self.assertEquals(definition_json['source']['path'], alert.path)
     self.assertEquals(definition_json['source']['stacks_directory'], 
alert.stacks_dir)
@@ -354,20 +339,24 @@ class TestAlerts(TestCase):
     self.assertEquals('Script parameter detected: foo bar baz', 
alerts[0]['text'])
 
 
+  @patch.object(ConfigurationBuilder, "get_configuration")
   @patch.object(MetricAlert, "_load_jmx")
-  def test_metric_alert(self, ma_load_jmx_mock):
+  def test_metric_alert(self, ma_load_jmx_mock, get_configuration_mock):
     definition_json = self._get_metric_alert_definition()
     configuration = {'hdfs-site' :
       { 'dfs.datanode.http.address': 'c6401.ambari.apache.org:80'}
     }
+    
+    initializer_module = self.create_initializer_module()
+    get_configuration_mock.return_value = {'configurations':configuration}
 
     collector = AlertCollector()
     cluster_configuration = self.__get_cluster_configuration()
     self.__update_cluster_configuration(cluster_configuration, configuration)
 
     alert = MetricAlert(definition_json, definition_json['source'], 
self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
 
     # trip an OK
     ma_load_jmx_mock.return_value = ([1, 25], None)
@@ -400,8 +389,8 @@ class TestAlerts(TestCase):
     collector = AlertCollector()
 
     alert = MetricAlert(definition_json, definition_json['source'], 
self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
 
     # now try without any jmx value to compare to
     ma_load_jmx_mock.return_value = ([1, 25], None)
@@ -413,8 +402,9 @@ class TestAlerts(TestCase):
     self.assertEquals('(Unit Tests) OK: 1 25 None', alerts[0]['text'])
 
 
+  @patch.object(ConfigurationBuilder, "get_configuration")
   @patch.object(AmsAlert, "_load_metric")
-  def test_ams_alert(self, ma_load_metric_mock):
+  def test_ams_alert(self, ma_load_metric_mock, get_configuration_mock):
     definition_json = self._get_ams_alert_definition()
     configuration = {'ams-site':
       {'timeline.metrics.service.webapp.address': '0.0.0.0:6188'}
@@ -423,10 +413,14 @@ class TestAlerts(TestCase):
     collector = AlertCollector()
     cluster_configuration = self.__get_cluster_configuration()
     self.__update_cluster_configuration(cluster_configuration, configuration)
+    
+    initializer_module = self.create_initializer_module()
+    get_configuration_mock.return_value = {'configurations':configuration}
+
 
     alert = AmsAlert(definition_json, definition_json['source'], self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
 
     # trip an OK
     ma_load_metric_mock.return_value = ([{1:100,2:100,3:200,4:200}], None)
@@ -455,8 +449,9 @@ class TestAlerts(TestCase):
     self.assertEquals('CRITICAL', alerts[0]['state'])
     self.assertEquals('(Unit Tests) Critical: the mean used heap size is 1500 
MB.', alerts[0]['text'])
 
+  @patch.object(ConfigurationBuilder, "get_configuration")
   @patch.object(MetricAlert, "_load_jmx")
-  def test_alert_uri_structure(self, ma_load_jmx_mock):
+  def test_alert_uri_structure(self, ma_load_jmx_mock, get_configuration_mock):
     definition_json = self._get_metric_alert_definition()
 
     ma_load_jmx_mock.return_value = ([0,0], None)
@@ -466,8 +461,8 @@ class TestAlerts(TestCase):
     collector = AlertCollector()
     cluster_configuration = self.__get_cluster_configuration()
     alert = MetricAlert(definition_json, definition_json['source'], 
self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, MagicMock())
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
     alert.collect()
 
     self.assertEquals('UNKNOWN', collector.alerts()[0]['state'])
@@ -482,8 +477,8 @@ class TestAlerts(TestCase):
     self.__update_cluster_configuration(cluster_configuration, configuration)
 
     alert = MetricAlert(definition_json, definition_json['source'], 
self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, MagicMock())
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
     alert.collect()
 
     self.assertEquals('UNKNOWN', collector.alerts()[0]['state'])
@@ -495,11 +490,14 @@ class TestAlerts(TestCase):
     }
 
     self.__update_cluster_configuration(cluster_configuration, configuration)
+    
+    initializer_module = self.create_initializer_module()
+    get_configuration_mock.return_value = {'configurations':configuration}
 
     collector = AlertCollector()
     alert = MetricAlert(definition_json, definition_json['source'], 
self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
     alert.collect()
 
     self.assertEquals('OK', collector.alerts()[0]['state'])
@@ -514,8 +512,8 @@ class TestAlerts(TestCase):
 
     collector = AlertCollector()
     alert = MetricAlert(definition_json, definition_json['source'], 
self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
     alert.collect()
 
     self.assertEquals('OK', collector.alerts()[0]['state'])
@@ -531,15 +529,27 @@ class TestAlerts(TestCase):
 
     collector = AlertCollector()
     alert = MetricAlert(definition_json, definition_json['source'], 
self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
     alert.collect()
 
     self.assertEquals('OK', collector.alerts()[0]['state'])
 
-
+  def create_initializer_module(self):
+    initializer_module = InitializerModule()
+    initializer_module.init()
+    
#initializer_module.metadata_cache.rewrite_cluster_cache('-1',{'clusterLevelParams':{}})
+    
#initializer_module.metadata_cache.rewrite_cluster_cache('0',{'clusterLevelParams':{}})
+    #initializer_module.configurations_cache.rewrite_cluster_cache('0', {})
+    #initializer_module.host_level_params_cache.rewrite_cluster_cache('0', 
{'hostRepositories':{'componentRepos':{}}})
+    #initializer_module.configuration_builder.topology_cache = MagicMock()
+    
+    
+    return initializer_module
+  
+  @patch.object(ConfigurationBuilder, "get_configuration")
   @patch.object(WebAlert, "_make_web_request")
-  def test_web_alert(self, wa_make_web_request_mock):
+  def test_web_alert(self, wa_make_web_request_mock, get_configuration_mock):
     definition_json = self._get_web_alert_definition()
 
     WebResponse = namedtuple('WebResponse', 'status_code time_millis 
error_msg')
@@ -551,12 +561,17 @@ class TestAlerts(TestCase):
     }
 
     collector = AlertCollector()
-    cluster_configuration = self.__get_cluster_configuration()
-    self.__update_cluster_configuration(cluster_configuration, configuration)
+    
+    initializer_module = self.create_initializer_module()
+    
+    #cluster_configuration = self.__get_cluster_configuration()
+    cluster_configuration = initializer_module.configurations_cache
+    #self.__update_cluster_configuration(cluster_configuration, configuration)
+    get_configuration_mock.return_value = {'configurations':configuration}
 
     alert = WebAlert(definition_json, definition_json['source'], self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
     alert.collect()
 
     alerts = collector.alerts()
@@ -569,8 +584,8 @@ class TestAlerts(TestCase):
     wa_make_web_request_mock.return_value = WebResponse(500,1.234,"Internal 
Server Error")
     collector = AlertCollector()
     alert = WebAlert(definition_json, definition_json['source'], self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
     alert.collect()
 
     alerts = collector.alerts()
@@ -584,8 +599,8 @@ class TestAlerts(TestCase):
 
     collector = AlertCollector()
     alert = WebAlert(definition_json, definition_json['source'], self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
     alert.collect()
 
     alerts = collector.alerts()
@@ -601,12 +616,13 @@ class TestAlerts(TestCase):
         'dfs.datanode.https.address' : 'c6401.ambari.apache.org:443/test/path' 
}
     }
 
-    self.__update_cluster_configuration(cluster_configuration, configuration)
-
+    #self.__update_cluster_configuration(cluster_configuration, configuration)
+    get_configuration_mock.return_value = {'configurations':configuration}
+    
     collector = AlertCollector()
     alert = WebAlert(definition_json, definition_json['source'], self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
 
     alert.collect()
 
@@ -622,8 +638,8 @@ class TestAlerts(TestCase):
     wa_make_web_request_mock.return_value = WebResponse(code, 1.234 , "Custom 
Code")
     collector = AlertCollector()
     alert = WebAlert(definition_json, definition_json['source'], self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
     alert.collect()
 
     alerts = collector.alerts()
@@ -641,9 +657,21 @@ class TestAlerts(TestCase):
 
     cluster_configuration = self.__get_cluster_configuration()
 
-    ash = AlertSchedulerHandler(test_file_path, test_stack_path,
-      test_common_services_path, test_extensions_path, test_host_scripts_path, 
cluster_configuration,
-      self.config, None)
+    initializer_module = InitializerModule()
+    
+    initializer_module.config.cluster_cache_dir = test_file_path
+    initializer_module.config.stacks_dir = test_stack_path
+    initializer_module.config.common_services_dir = test_common_services_path
+    initializer_module.config.extensions_dir = test_extensions_path
+    initializer_module.config.host_scripts_dir = test_host_scripts_path
+    
+    initializer_module.init()
+    
+    ash = AlertSchedulerHandler(initializer_module)
+    
+    #ash = AlertSchedulerHandler(test_file_path, test_stack_path,
+    #  test_common_services_path, test_extensions_path, 
test_host_scripts_path, cluster_configuration,
+    #  self.config, None)
 
     ash.start()
 
@@ -651,8 +679,8 @@ class TestAlerts(TestCase):
     ash.reschedule()
     self.assertEquals(1, ash.get_job_count())
 
-
-  def test_alert_collector_purge(self):
+  @patch.object(ConfigurationBuilder, "get_configuration")
+  def test_alert_collector_purge(self, get_configuration_mock):
     definition_json = self._get_port_alert_definition()
 
     configuration = {'hdfs-site' :
@@ -662,10 +690,13 @@ class TestAlerts(TestCase):
     collector = AlertCollector()
     cluster_configuration = self.__get_cluster_configuration()
     self.__update_cluster_configuration(cluster_configuration, configuration)
+    
+    initializer_module = self.create_initializer_module()
+    get_configuration_mock.return_value = {'configurations':configuration}
 
     alert = PortAlert(definition_json, definition_json['source'], self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
     self.assertEquals(6, alert.interval())
 
     res = alert.collect()
@@ -689,11 +720,29 @@ class TestAlerts(TestCase):
 
     cluster_configuration = self.__get_cluster_configuration()
 
-    ash = AlertSchedulerHandler(test_file_path, test_stack_path,
+    initializer_module = InitializerModule()
+    
+    initializer_module.config.cluster_cache_dir = test_file_path
+    initializer_module.config.stacks_dir = test_stack_path
+    initializer_module.config.common_services_dir = test_common_services_path
+    initializer_module.config.extensions_dir = test_extensions_path
+    initializer_module.config.host_scripts_dir = test_host_scripts_path
+    
+    initializer_module.init()
+    
+    ash = AlertSchedulerHandler(initializer_module)
+    """
+      test_file_path, test_stack_path,
       test_common_services_path, test_extensions_path, test_host_scripts_path, 
cluster_configuration,
       self.config, None)
-
+    """
     ash.start()
+    
+    """
+       cachedir, stacks_dir, common_services_dir, extensions_dir,
+      host_scripts_dir, cluster_configuration, config, recovery_manager,
+      in_minutes=True):
+    """
 
     self.assertEquals(1, ash.get_job_count())
 
@@ -726,9 +775,22 @@ class TestAlerts(TestCase):
     test_host_scripts_path = os.path.join('ambari_agent', 'dummy_files')
 
     cluster_configuration = self.__get_cluster_configuration()
-    ash = AlertSchedulerHandler(test_file_path, test_stack_path,
-      test_common_services_path, test_extensions_path, test_host_scripts_path, 
cluster_configuration,
-      self.config, None)
+    
+    initializer_module = InitializerModule()
+    
+    initializer_module.config.cluster_cache_dir = test_file_path
+    initializer_module.config.stacks_dir = test_stack_path
+    initializer_module.config.common_services_dir = test_common_services_path
+    initializer_module.config.extensions_dir = test_extensions_path
+    initializer_module.config.host_scripts_dir = test_host_scripts_path
+    
+    initializer_module.init()
+    
+    ash = AlertSchedulerHandler(initializer_module)
+    
+    #ash = AlertSchedulerHandler(test_file_path, test_stack_path,
+    #  test_common_services_path, test_extensions_path, 
test_host_scripts_path, cluster_configuration,
+    #  self.config, None)
 
     ash.start()
 
@@ -766,8 +828,8 @@ class TestAlerts(TestCase):
     alert = ScriptAlert(definition_json, definition_json['source'], 
self.config)
 
     # instruct the test alert script to be skipped
-    alert.set_helpers(collector, cluster_configuration )
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, MagicMock())
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
 
     alert.collect()
 
@@ -816,7 +878,8 @@ class TestAlerts(TestCase):
     self.assertEquals(alert._get_reporting_text(alert.RESULT_CRITICAL), '{1} 
recovery operations executed for {2}{0}.')
 
 
-  def test_configuration_updates(self):
+  @patch.object(ConfigurationBuilder, "get_configuration")
+  def test_configuration_updates(self, get_configuration_mock):
     definition_json = self._get_script_alert_definition()
 
     # normally set by AlertSchedulerHandler
@@ -834,10 +897,13 @@ class TestAlerts(TestCase):
     cluster_configuration = self.__get_cluster_configuration()
     self.__update_cluster_configuration(cluster_configuration, configuration)
 
+    initializer_module = self.create_initializer_module()
+    get_configuration_mock.return_value = {'configurations':configuration}
+    
     # run the alert and verify the output
     alert = ScriptAlert(definition_json, definition_json['source'], 
MagicMock())
-    alert.set_helpers(collector, cluster_configuration )
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
     alert.collect()
 
     alerts = collector.alerts()
@@ -851,6 +917,7 @@ class TestAlerts(TestCase):
     configuration = {'foo-site' :
       { 'bar': 'rendered-bar2', 'baz' : 'rendered-baz2' }
     }
+    get_configuration_mock.return_value = {'configurations':configuration}
 
     # populate the configuration cache with the initial configs
     self.__update_cluster_configuration(cluster_configuration, configuration)
@@ -864,7 +931,8 @@ class TestAlerts(TestCase):
     self.assertEquals('bar is rendered-bar2, baz is rendered-baz2', 
alerts[0]['text'])
 
 
-  def test_uri_structure_parsing(self):
+  @patch.object(ConfigurationBuilder, "get_configuration")
+  def test_uri_structure_parsing(self, get_configuration_mock):
     uri_structure = {
       "http": "{{hdfs-site/dfs.namenode.http.address}}",
       "https": "{{hdfs-site/dfs.namenode.https.address}}",
@@ -886,12 +954,15 @@ class TestAlerts(TestCase):
     collector = AlertCollector()
     cluster_configuration = self.__get_cluster_configuration()
     self.__update_cluster_configuration(cluster_configuration, configuration)
+    
+    initializer_module = self.create_initializer_module()
+    get_configuration_mock.return_value = {'configurations':configuration}
 
     alert = MockAlert()
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
     uri_keys = alert._lookup_uri_property_keys(uri_structure)
-    self.assertFalse(alert._check_uri_ssl_property(uri_keys))
+    self.assertFalse(alert._check_uri_ssl_property(uri_keys, 
{'configurations':configuration}))
 
     uri = alert._get_uri_from_structure(uri_keys)
     self.assertEqual( 'c6401.ambari.apache.org:80', uri.uri )
@@ -904,8 +975,9 @@ class TestAlerts(TestCase):
     }
 
     self.__update_cluster_configuration(cluster_configuration, configuration)
+    get_configuration_mock.return_value = {'configurations':configuration}
     uri_keys = alert._lookup_uri_property_keys(uri_structure)
-    self.assertFalse(alert._check_uri_ssl_property(uri_keys))
+    self.assertFalse(alert._check_uri_ssl_property(uri_keys, 
{'configurations':configuration}))
 
     uri = alert._get_uri_from_structure(uri_keys)
     self.assertEqual( 'c6401.ambari.apache.org:80', uri.uri )
@@ -920,7 +992,8 @@ class TestAlerts(TestCase):
 
     self.__update_cluster_configuration(cluster_configuration, configuration)
     uri_keys = alert._lookup_uri_property_keys(uri_structure)
-    self.assertTrue(alert._check_uri_ssl_property(uri_keys))
+    self.assertTrue(alert._check_uri_ssl_property(uri_keys, 
{'configurations':configuration}))
+    get_configuration_mock.return_value = {'configurations':configuration}
 
     uri = alert._get_uri_from_structure(uri_keys)
     self.assertEqual( 'c6401.ambari.apache.org:443', uri.uri )
@@ -939,8 +1012,9 @@ class TestAlerts(TestCase):
     }
 
     self.__update_cluster_configuration(cluster_configuration, configuration)
+    get_configuration_mock.return_value = {'configurations':configuration}
     uri_keys = alert._lookup_uri_property_keys(uri_structure)
-    self.assertFalse(alert._check_uri_ssl_property(uri_keys))
+    self.assertFalse(alert._check_uri_ssl_property(uri_keys, 
{'configurations':configuration}))
 
     uri = alert._get_uri_from_structure(uri_keys)
     self.assertEqual( 'c6401.ambari.apache.org:8080', uri.uri )
@@ -961,15 +1035,17 @@ class TestAlerts(TestCase):
     }
 
     self.__update_cluster_configuration(cluster_configuration, configuration)
+    get_configuration_mock.return_value = {'configurations':configuration}
     uri_keys = alert._lookup_uri_property_keys(uri_structure)
-    self.assertTrue(alert._check_uri_ssl_property(uri_keys))
+    self.assertTrue(alert._check_uri_ssl_property(uri_keys, 
{'configurations':configuration}))
 
     uri = alert._get_uri_from_structure(uri_keys)
     self.assertEqual( 'c6401.ambari.apache.org:8443', uri.uri )
     self.assertEqual( True, uri.is_ssl_enabled )
 
 
-  def test_uri_structure_parsing_without_namespace(self):
+  @patch.object(ConfigurationBuilder, "get_configuration")
+  def test_uri_structure_parsing_without_namespace(self, 
get_configuration_mock):
     """
     Tests that we can parse an HA URI that only includes an alias and
     not a namespace
@@ -1002,21 +1078,25 @@ class TestAlerts(TestCase):
     collector = AlertCollector()
     cluster_configuration = self.__get_cluster_configuration()
     self.__update_cluster_configuration(cluster_configuration, configuration)
+    
+    initializer_module = self.create_initializer_module()
+    get_configuration_mock.return_value = {'configurations':configuration}
 
     alert = MockAlert()
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6402.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6402.ambari.apache.org")
     uri_keys = alert._lookup_uri_property_keys(uri_structure)
-    self.assertTrue(alert._check_uri_ssl_property(uri_keys))
+    self.assertTrue(alert._check_uri_ssl_property(uri_keys, 
{'configurations':configuration}))
 
     uri = alert._get_uri_from_structure(uri_keys)
     self.assertEqual( 'c6402.ambari.apache.org:8443', uri.uri )
     self.assertEqual( True, uri.is_ssl_enabled )
 
 
+  @patch.object(ConfigurationBuilder, "get_configuration")
   @patch('httplib.HTTPConnection')
   @patch.object(RefreshHeaderProcessor, 'http_response')
-  def test_metric_alert_uses_refresh_processor(self, http_response_mock, 
http_connection_mock):
+  def test_metric_alert_uses_refresh_processor(self, http_response_mock, 
http_connection_mock, get_configuration_mock):
     """
     Tests that the RefreshHeaderProcessor is correctly chained and called
     :param http_response_mock:
@@ -1049,10 +1129,13 @@ class TestAlerts(TestCase):
     collector = AlertCollector()
     cluster_configuration = self.__get_cluster_configuration()
     self.__update_cluster_configuration(cluster_configuration, configuration)
+    
+    initializer_module = self.create_initializer_module()
+    get_configuration_mock.return_value = {'configurations':configuration}
 
     alert = MetricAlert(definition_json, definition_json['source'], 
self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
 
     alert.collect()
 
@@ -1151,8 +1234,8 @@ class TestAlerts(TestCase):
     alert = MetricAlert(definition_json, definition_json['source'], 
self.config)
     self.assertEquals(5.0, alert.connection_timeout)
 
-
-  def test_get_configuration_values(self):
+  @patch.object(ConfigurationBuilder, "get_configuration")
+  def test_get_configuration_values(self, get_configuration_mock):
     """
     Tests that we are able to extract parameters correctly from the cached
     configuration.
@@ -1169,46 +1252,53 @@ class TestAlerts(TestCase):
         'special-character-&' : 'ampersand'
       }
     }
+    
+    configuration_full = {'configurations':configuration}
 
     collector = AlertCollector()
     cluster_configuration = self.__get_cluster_configuration()
     self.__update_cluster_configuration(cluster_configuration, configuration)
 
+    initializer_module = self.create_initializer_module()
+    get_configuration_mock.return_value = {'configurations':configuration}
+    
     alert = MockAlert()
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
-
-    self.assertEquals("constant", alert._get_configuration_value("constant"))
-    self.assertEquals("value1", 
alert._get_configuration_value("{{foo-site/foo-key1}}"))
-    self.assertEquals("value2", 
alert._get_configuration_value("{{foo-site/foo-key2}}"))
-    self.assertEquals("asterisk", 
alert._get_configuration_value("{{foo-site/special-character-*}}"))
-    self.assertEquals("dollar sign", 
alert._get_configuration_value("{{foo-site/special-character-$}}"))
-    self.assertEquals("hash", 
alert._get_configuration_value("{{foo-site/special-character-#}}"))
-    self.assertEquals("bang", 
alert._get_configuration_value("{{foo-site/special-character-!}}"))
-    self.assertEquals("ampersand", 
alert._get_configuration_value("{{foo-site/special-character-&}}"))
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
+
+    self.assertEquals("constant", 
alert._get_configuration_value(configuration_full, "constant"))
+    self.assertEquals("value1", 
alert._get_configuration_value(configuration_full, "{{foo-site/foo-key1}}"))
+    self.assertEquals("value2", 
alert._get_configuration_value(configuration_full, "{{foo-site/foo-key2}}"))
+    self.assertEquals("asterisk", 
alert._get_configuration_value(configuration_full, 
"{{foo-site/special-character-*}}"))
+    self.assertEquals("dollar sign", 
alert._get_configuration_value(configuration_full, 
"{{foo-site/special-character-$}}"))
+    self.assertEquals("hash", 
alert._get_configuration_value(configuration_full, 
"{{foo-site/special-character-#}}"))
+    self.assertEquals("bang", 
alert._get_configuration_value(configuration_full, 
"{{foo-site/special-character-!}}"))
+    self.assertEquals("ampersand", 
alert._get_configuration_value(configuration_full, 
"{{foo-site/special-character-&}}"))
 
     # try a mix of parameter and constant
-    self.assertEquals("http://value1/servlet";, 
alert._get_configuration_value("http://{{foo-site/foo-key1}}/servlet";))
-    self.assertEquals("http://value1/servlet/value2";, 
alert._get_configuration_value("http://{{foo-site/foo-key1}}/servlet/{{foo-site/foo-key2}}";))
+    self.assertEquals("http://value1/servlet";, 
alert._get_configuration_value(configuration_full, 
"http://{{foo-site/foo-key1}}/servlet";))
+    self.assertEquals("http://value1/servlet/value2";, 
alert._get_configuration_value(configuration_full, 
"http://{{foo-site/foo-key1}}/servlet/{{foo-site/foo-key2}}";))
 
     # try to request a dictionary object instead of a property
-    self.assertEquals(configuration["foo-site"], 
alert._get_configuration_value("{{foo-site}}"))
-
+    self.assertEquals(configuration["foo-site"], 
alert._get_configuration_value(configuration_full, "{{foo-site}}"))
 
+  @patch.object(ConfigurationBuilder, "get_configuration")
   @patch.object(MetricAlert, "_load_jmx")
-  def test_metric_alert_floating_division(self, ma_load_jmx_mock):
+  def test_metric_alert_floating_division(self, ma_load_jmx_mock, 
get_configuration_mock):
     definition_json = self._get_metric_alert_definition_with_float_division()
     configuration = {'hdfs-site' :
       { 'dfs.datanode.http.address': 'c6401.ambari.apache.org:80'}
     }
-
+    initializer_module = self.create_initializer_module()
+    get_configuration_mock.return_value = {'configurations':configuration}
+    
     collector = AlertCollector()
     cluster_configuration = self.__get_cluster_configuration()
     self.__update_cluster_configuration(cluster_configuration, configuration)
 
     alert = MetricAlert(definition_json, definition_json['source'], 
self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
 
     # 10 / 5
     ma_load_jmx_mock.return_value = ([10, 5], None)
@@ -1221,8 +1311,9 @@ class TestAlerts(TestCase):
 
 
 
+  @patch.object(ConfigurationBuilder, "get_configuration")
   @patch.object(socket.socket,"connect")
-  def test_alert_definition_value_error_conversion(self, socket_connect_mock):
+  def test_alert_definition_value_error_conversion(self, socket_connect_mock, 
get_configuration_mock):
     """
     Tests that an alert definition with text that doesn't match the type of 
positional arguments
     can recover and retry the ValueError.
@@ -1238,14 +1329,17 @@ class TestAlerts(TestCase):
     collector = AlertCollector()
     cluster_configuration = self.__get_cluster_configuration()
     self.__update_cluster_configuration(cluster_configuration, configuration)
+    
+    initializer_module = self.create_initializer_module()
+    get_configuration_mock.return_value = {'configurations':configuration}
 
     alert = PortAlert(definition_json, definition_json['source'], self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6402.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6402.ambari.apache.org")
 
     # use a URI that has commas to verify that we properly parse it
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
     self.assertEquals(6, alert.interval())
 
     # the collect should catch the invalid text in the definition
@@ -1259,8 +1353,9 @@ class TestAlerts(TestCase):
     self.assertTrue('(Unit Tests) TCP OK' in alerts[0]['text'])
 
 
+  @patch.object(ConfigurationBuilder, "get_configuration")
   @patch.object(socket.socket,"connect")
-  def test_alert_definition_too_many_positional_arguments(self, 
socket_connect_mock):
+  def test_alert_definition_too_many_positional_arguments(self, 
socket_connect_mock, get_configuration_mock):
     """
     Tests that an alert definition with too many arguments produces an alert 
to collect after the
     exceptioin is raised.
@@ -1276,14 +1371,17 @@ class TestAlerts(TestCase):
     collector = AlertCollector()
     cluster_configuration = self.__get_cluster_configuration()
     self.__update_cluster_configuration(cluster_configuration, configuration)
+    
+    initializer_module = self.create_initializer_module()
+    get_configuration_mock.return_value = {'configurations':configuration}
 
     alert = PortAlert(definition_json, definition_json['source'], self.config)
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6402.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, MagicMock())
+    alert.set_cluster("c1", "0", "c6402.ambari.apache.org")
 
     # use a URI that has commas to verify that we properly parse it
-    alert.set_helpers(collector, cluster_configuration)
-    alert.set_cluster("c1", "c6401.ambari.apache.org")
+    alert.set_helpers(collector, cluster_configuration, 
initializer_module.configuration_builder)
+    alert.set_cluster("c1", "0", "c6401.ambari.apache.org")
     self.assertEquals(6, alert.interval())
 
     # the collect should catch the invalid text in the definition
@@ -1317,7 +1415,7 @@ class TestAlerts(TestCase):
     :return:
     """
     osfdopen_mock.side_effect = self.osfdopen_side_effect
-    cluster_configuration.update_cache("c1", configuration)
+    cluster_configuration.rewrite_cluster_cache("0", 
{'configurations':configuration})
 
 
   def open_side_effect(self, file, mode):
diff --git 
a/ambari-agent/src/test/python/ambari_agent/dummy_files/alert_definitions.json 
b/ambari-agent/src/test/python/ambari_agent/dummy_files/alert_definitions.json
new file mode 100644
index 0000000..d9a82a7
--- /dev/null
+++ 
b/ambari-agent/src/test/python/ambari_agent/dummy_files/alert_definitions.json
@@ -0,0 +1,37 @@
+{
+  "0": {
+    "clusterName": "c1", 
+    "hash": "12341234134412341243124", 
+    "hostName": "c6401.ambari.apache.org", 
+    "alertDefinitions": [
+      {
+        "name": "namenode_process", 
+        "service": "HDFS", 
+        "enabled": true, 
+        "interval": 6, 
+        "component": "NAMENODE", 
+        "label": "NameNode process", 
+        "source": {
+          "reporting": {
+            "critical": {
+              "text": "Could not load process info: {0} on host {1}:{2}"
+            }, 
+            "ok": {
+              "text": "TCP OK - {0:.4f} response time on port {1}"
+            }
+          }, 
+          "type": "PORT", 
+          "uri": "{{hdfs-site/dfs.namenode.http-address}}", 
+          "default_port": 50070
+        }, 
+        "scope": "HOST", 
+        "uuid": "3f82ae27-fa6a-465b-b77d-67963ac55d2f"
+      }
+    ], 
+    "configurations": {
+      "hdfs-site": {
+        "dfs.namenode.http-address": "c6401.ambari.apache.org:50070"
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git 
a/ambari-agent/src/test/python/ambari_agent/dummy_files/definitions.json 
b/ambari-agent/src/test/python/ambari_agent/dummy_files/definitions.json
deleted file mode 100644
index 6e80dea..0000000
--- a/ambari-agent/src/test/python/ambari_agent/dummy_files/definitions.json
+++ /dev/null
@@ -1,37 +0,0 @@
-[
-  {
-    "clusterName": "c1",
-    "hostName": "c6401.ambari.apache.org",
-    "hash": "12341234134412341243124",
-    "configurations": {
-      "hdfs-site": {
-        "dfs.namenode.http-address": "c6401.ambari.apache.org:50070"
-      }
-    },
-    "alertDefinitions": [
-      {
-        "name": "namenode_process",
-        "service": "HDFS",
-        "component": "NAMENODE",
-        "label": "NameNode process",
-        "interval": 6,
-        "scope": "HOST",
-        "uuid": "3f82ae27-fa6a-465b-b77d-67963ac55d2f",
-        "enabled": true,
-        "source": {
-          "type": "PORT",
-          "uri": "{{hdfs-site/dfs.namenode.http-address}}",
-          "default_port": 50070,
-          "reporting": {
-            "ok": {
-              "text": "TCP OK - {0:.4f} response time on port {1}"
-            },
-            "critical": {
-              "text": "Could not load process info: {0} on host {1}:{2}"
-            }
-          }
-        }
-      }
-    ]
-  }
-]

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