fix: conductor naming convention

- The conductor will now be named as a combination of the host's name +
  its operating process_id

Change-Id: I350d03a96c738aaa50eae704efeabcedbeb670ab

poppy/cmd/task_flow_worker.py

@@ -13,6 +13,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import os
+import socket
+
 from oslo.config import cfg
 
 from poppy import bootstrap
@@ -25,6 +28,6 @@ LOG = log.getLogger(__name__)
 def run():
     conf = cfg.CONF
     conf(project='poppy', prog='poppy', args=[])
-
+    conductor_name = '{0}-{1}'.format(socket.gethostname(), os.getpid())
     b = bootstrap.Bootstrap(conf)
-    b.distributed_task.services_controller.run_task_worker()
+    b.distributed_task.services_controller.run_task_worker(name=conductor_name)

poppy/distributed_task/taskflow/services.py

@@ -91,7 +91,7 @@ class ServicesController(base.ServicesController):
                                  details=job_details)
                 LOG.info("%s posted" % (job))
 
-    def run_task_worker(self):
+    def run_task_worker(self, name):
         """Run a task flow worker (conductor).
 
         """
@@ -102,7 +102,7 @@ class ServicesController(base.ServicesController):
                     persistence=persistence) as board:
 
                 conductor = NotifyingConductor(
-                    "Poppy service worker conductor", board, persistence,
+                    name, board, persistence,
                     engine='serial')
 
                 conductor.run()

tests/unit/distributed_task/taskflow/test_services.py

@@ -52,6 +52,7 @@ class TestServiceController(base.TestCase):
         self.mock_persistence_n_board.post.assert_called()
 
     def test_run_task_worker(self):
-        self.distributed_task_driver.services_controller.run_task_worker()
+        self.distributed_task_driver.services_controller.run_task_worker(
+            'poppy')
         self.distributed_task_driver.persistence.assert_called()
         self.distributed_task_driver.job_board.assert_called()