Remove TaskRunner from SwiftSignal

Change-Id: I0484979f0c1bf42f8537f631e7bcd83324085862
Partial-Bug: #1393268

heat/engine/resources/swiftsignal.py

@@ -14,6 +14,7 @@
 import json
 import urlparse
 
+from oslo_utils import timeutils
 import six
 
 from heat.common import exception
@@ -24,7 +25,6 @@ from heat.engine.clients.os import swift
 from heat.engine import constraints
 from heat.engine import properties
 from heat.engine import resource
-from heat.engine import scheduler
 from heat.engine import support
 from heat.openstack.common import log as logging
 
@@ -106,7 +106,7 @@ class SwiftSignalHandle(resource.Resource):
             elif key == self.ENDPOINT:
                 return self.data().get(self.ENDPOINT)
             elif key == self.CURL_CLI:
-                return ('curl -i -X PUT \'%s\'' %
+                return ("curl -i -X PUT '%s'" %
                         self.data().get(self.ENDPOINT))
 
     def handle_delete(self):
@@ -227,35 +227,8 @@ class SwiftSignal(resource.Resource):
 
     def handle_create(self):
         self._validate_handle_url()
-        runner = scheduler.TaskRunner(self._wait)
-        runner.start(timeout=float(self.properties.get(self.TIMEOUT)))
-        return runner
-
-    def _wait(self):
-        while True:
-            try:
-                yield
-            except scheduler.Timeout:
-                count = self.properties.get(self.COUNT)
-                raise SwiftSignalTimeout(self)
-
-            count = self.properties.get(self.COUNT)
-            statuses = self.get_status()
-            if not statuses:
-                continue
-
-            for status in statuses:
-                if status == self.STATUS_FAILURE:
-                    failure = SwiftSignalFailure(self)
-                    LOG.info(_LI('%(name)s Failed (%(failure)s)'),
-                             {'name': str(self), 'failure': str(failure)})
-                    raise failure
-                elif status != self.STATUS_SUCCESS:
-                    raise exception.Error(_("Unknown status: %s") % status)
-
-            if len(statuses) >= count:
-                LOG.info(_LI("%s Succeeded"), str(self))
-                return
+        started_at = timeutils.utcnow()
+        return started_at, float(self.properties[self.TIMEOUT])
 
     def get_signals(self):
         try:
@@ -335,8 +308,25 @@ class SwiftSignal(resource.Resource):
             data[signal[self.UNIQUE_ID]] = signal[self.DATA]
         return data
 
-    def check_create_complete(self, runner):
-        return runner.step()
+    def check_create_complete(self, create_data):
+        if timeutils.is_older_than(*create_data):
+            raise SwiftSignalTimeout(self)
+
+        statuses = self.get_status()
+
+        for status in statuses:
+            if status == self.STATUS_FAILURE:
+                failure = SwiftSignalFailure(self)
+                LOG.info(_LI('%(name)s Failed (%(failure)s)'),
+                         {'name': str(self), 'failure': str(failure)})
+                raise failure
+            elif status != self.STATUS_SUCCESS:
+                raise exception.Error(_("Unknown status: %s") % status)
+
+        if len(statuses) >= self.properties[self.COUNT]:
+            LOG.info(_LI("%s Succeeded"), str(self))
+            return True
+        return False
 
     def _resolve_attribute(self, key):
         if key == self.DATA:

heat/tests/test_swiftsignal.py

@@ -12,11 +12,12 @@
 #    under the License.
 
 import copy
+import datetime
 import json
-import time
 import uuid
 
 import mock
+from oslo_utils import timeutils
 import six
 from swiftclient import client as swiftclient_client
 from swiftclient import exceptions as swiftclient_exceptions
@@ -362,11 +363,9 @@ class SwiftSignalTest(common.HeatTestCase):
         st.create()
         self.assertEqual(('CREATE', 'COMPLETE'), st.state)
 
-    @mock.patch.object(scheduler, 'wallclock')
     @mock.patch.object(swift.SwiftClientPlugin, '_create')
     @mock.patch.object(resource.Resource, 'physical_resource_name')
-    def test_multiple_signals_same_id_timeout(self, mock_name, mock_swift,
-                                              mock_clock):
+    def test_multiple_signals_same_id_timeout(self, mock_name, mock_swift):
         st = create_stack(swiftsignal_template)
         handle = st['test_wait_condition_handle']
 
@@ -382,9 +381,11 @@ class SwiftSignalTest(common.HeatTestCase):
         mock_swift_object.get_object.return_value = (obj_header,
                                                      json.dumps({'id': 1}))
 
-        time_now = time.time()
-        time_series = [t + time_now for t in xrange(1, 100)]
-        scheduler.wallclock.side_effect = time_series
+        time_now = timeutils.utcnow()
+        time_series = [datetime.timedelta(0, t) + time_now
+                       for t in xrange(1, 100)]
+        timeutils.set_time_override(time_series)
+        self.addCleanup(timeutils.clear_time_override)
 
         st.create()
         self.assertIn("Resource CREATE failed: SwiftSignalTimeout",