scal down policy cannot work for autoscaling group

[Jeffrey Guan]

Background:

For heat 6.0.0, when resource scaling down policy is triggered, it raises the exception "Unable to parse date string u'scaling_in_progress'".

The ERROR log:

19857 2017-02-23 08:38:58.849 7718 DEBUG heat.engine.service [-] Jeffrey: func = <function _resource_signal at 0x5d04230> _start_with_trace /usr/lib/python2.7/site-packages/heat/engine/service.py:117
19858 2017-02-23 08:38:58.850 7718 DEBUG heat.engine.service [-] signaling resource tsing:web_server_scaledown_policy _resource_signal /usr/lib/python2.7/site-packages/heat/engine/service.py:1632
19859 2017-02-23 08:38:58.850 7718 INFO heat.engine.resources.openstack.heat.scaling_policy [-] Alarm web_server_scaledown_policy, new state alarm
19860 2017-02-23 08:38:58.851 7718 ERROR heat.engine.resource [-] signal AutoScalingPolicy "web_server_scaledown_policy" [7f574cc8441e4548a52f00ebe8587afe] Stack "tsing" [7a1b8bc4-8da5-4c48-beca-fc90ade9c70a] : Unable to parse dat e string u'scaling_in_progress'
19861 2017-02-23 08:38:58.851 7718 ERROR heat.engine.resource Traceback (most recent call last):
19862 2017-02-23 08:38:58.851 7718 ERROR heat.engine.resource File "/usr/lib/python2.7/site-packages/heat/engine/resource.py", line 1923, in _handle_signal
19863 2017-02-23 08:38:58.851 7718 ERROR heat.engine.resource signal_result = self.handle_signal(details)
19864 2017-02-23 08:38:58.851 7718 ERROR heat.engine.resource File "/usr/lib/python2.7/site-packages/heat/engine/resources/openstack/heat/scaling_policy.py", line 164, in handle_signal
19865 2017-02-23 08:38:58.851 7718 ERROR heat.engine.resource if not self._is_scaling_allowed():
19866 2017-02-23 08:38:58.851 7718 ERROR heat.engine.resource File "/usr/lib/python2.7/site-packages/heat/scaling/cooldown.py", line 40, in _is_scaling_allowed
19867 2017-02-23 08:38:58.851 7718 ERROR heat.engine.resource if not timeutils.is_older_than(last_adjust, cooldown):
19868 2017-02-23 08:38:58.851 7718 ERROR heat.engine.resource File "/usr/lib/python2.7/site-packages/oslo_utils/timeutils.py", line 116, in is_older_than
19869 2017-02-23 08:38:58.851 7718 ERROR heat.engine.resource before = parse_isotime(before)
19870 2017-02-23 08:38:58.851 7718 ERROR heat.engine.resource File "/usr/lib/python2.7/site-packages/oslo_utils/timeutils.py", line 67, in parse_isotime
19871 2017-02-23 08:38:58.851 7718 ERROR heat.engine.resource raise ValueError(six.text_type(e))
19872 2017-02-23 08:38:58.851 7718 ERROR heat.engine.resource ValueError: Unable to parse date string u'scaling_in_progress'
19873 2017-02-23 08:38:58.851 7718 ERROR heat.engine.resource
19874 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service [-] Unhandled error in asynchronous task
19875 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service Traceback (most recent call last):
19876 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service File "/usr/lib/python2.7/site-packages/heat/engine/service.py", line 129, in log_exceptions
19877 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service gt.wait()
19878 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service File "/usr/lib/python2.7/site-packages/eventlet/greenthread.py", line 175, in wait
19879 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service return self._exit_event.wait()
19880 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service File "/usr/lib/python2.7/site-packages/eventlet/event.py", line 125, in wait
19881 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service current.throw(*self._exc)
19882 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service File "/usr/lib/python2.7/site-packages/eventlet/greenthread.py", line 214, in main
19883 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service result = function(*args, **kwargs)
19884 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service File "/usr/lib/python2.7/site-packages/heat/engine/service.py", line 120, in _start_with_trace
19885 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service return func(*args, **kwargs)
19886 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service File "/usr/lib/python2.7/site-packages/heat/engine/service.py", line 1633, in _resource_signal
19887 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service needs_metadata_updates = rsrc.signal(details, need_check)
19888 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service File "/usr/lib/python2.7/site-packages/heat/engine/resource.py", line 1953, in signal
19889 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service self._handle_signal(details)
19890 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service File "/usr/lib/python2.7/site-packages/heat/engine/resource.py", line 1936, in _handle_signal
19891 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service raise failure
19892 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service ResourceFailure: ValueError: resources.web_server_scaledown_policy: Unable to parse date string u'scaling_in_progress'
19893 2017-02-23 08:38:58.852 7718 ERROR heat.engine.service

The info for my system:

[root@jeguan-ctrl-01 ~]# rpm -qa | grep heat
python2-heatclient-1.1.0-2.el7.noarch
openstack-heat-engine-6.0.0-1.el7.noarch
openstack-heat-api-cfn-6.0.0-1.el7.noarch
openstack-heat-api-6.0.0-1.el7.noarch
openstack-heat-common-6.0.0-1.el7.noarch

Thanks,
Jeffrey

[Jeffrey Guan (double12gzh)]

This was fixed with in heat 6.1.0 and later release

[huangtianhua (huangtianhua)]

I think we fixed this bug already:
https://bugs.launchpad.net/heat/+bug/1569273