Action Plan state - Changed STARTING to TRIGGERED

As the STARTING state was not clear on its meaning, I renamed it
to TRIGGERED.

Change-Id: I99cceeb57f3d7d42c1543b21fad88a6872bc4e55
Closes-Bug: #1533245

watcher/api/controllers/v1/action_plan.py

@@ -386,7 +386,8 @@ class ActionPlansController(rest.RestController):
             if action_plan_to_update[field] != patch_val:
                 action_plan_to_update[field] = patch_val
 
-            if field == 'state' and patch_val == 'STARTING':
+            if (field == 'state'
+                    and patch_val == objects.action_plan.State.TRIGGERED):
                 launch_action_plan = True
 
         action_plan_to_update.save()

watcher/objects/action_plan.py

@@ -77,6 +77,7 @@ from watcher.objects import utils as obj_utils
 
 class State(object):
     RECOMMENDED = 'RECOMMENDED'
+    TRIGGERED = 'TRIGGERED'
     ONGOING = 'ONGOING'
     FAILED = 'FAILED'
     SUCCEEDED = 'SUCCEEDED'

watcher/tests/api/v1/test_actions_plans.py

@@ -419,7 +419,7 @@ class TestPatch(api_base.FunctionalTest):
     def test_replace_ok_state_starting(self):
         with mock.patch.object(aapi.ApplierAPI,
                                'launch_action_plan') as applier_mock:
-            new_state = 'STARTING'
+            new_state = objects.action_plan.State.TRIGGERED
             response = self.get_json(
                 '/action_plans/%s' % self.action_plan.uuid)
             self.assertNotEqual(new_state, response['state'])