Make the redis client use AsyncWrapper and coroutines

Change all log messages to be synchronous

test/test_buildman.py

@@ -13,6 +13,7 @@ from buildman.manager.ephemeral import (EphemeralBuilderManager, EtcdAction,
                                         ETCD_MAX_WATCH_TIMEOUT)
 from buildman.component.buildcomponent import BuildComponent
 from buildman.server import BuildJobResult
+from buildman.asyncutil import AsyncWrapper
 from util.metrics.metricqueue import duration_collector_async
 from app import metric_queue
 
@@ -134,7 +135,7 @@ class TestEphemeralLifecycle(EphemeralBuilderTestCase):
     self.register_component_callback = Mock()
     self.unregister_component_callback = Mock()
     self.job_heartbeat_callback = Mock()
-    self.job_complete_callback = Mock()
+    self.job_complete_callback = AsyncWrapper(Mock())
 
     self.manager = EphemeralBuilderManager(
       self.register_component_callback,
@@ -389,8 +390,9 @@ class TestEphemeralLifecycle(EphemeralBuilderTestCase):
 
     # Ensure the job was marked as incomplete, with an update_phase to True (so the DB record and
     # logs are updated as well)
-    self.job_complete_callback.assert_called_once_with(ANY, BuildJobResult.INCOMPLETE,
-                                                       'MockExecutor', update_phase=True)
+    yield From(self.job_complete_callback.assert_called_once_with(ANY, BuildJobResult.INCOMPLETE,
+                                                                  'MockExecutor',
+                                                                  update_phase=True))
 
   @async_test
   def test_change_worker(self):
@@ -473,7 +475,10 @@ class TestEphemeral(EphemeralBuilderTestCase):
 
     unregister_component_callback = Mock()
     job_heartbeat_callback = Mock()
-    job_complete_callback = Mock()
+
+    @coroutine
+    def job_complete_callback(*args, **kwargs):
+      raise Return()
 
     self.manager = EphemeralBuilderManager(
       self._register_component,