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[Bug 1781880] [NEW] nova service-list for new compute service causes TypeError with servicegroup_driver mc

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Public bug reported:

Description
===========
nova service-list for new compute service causes TypeError.
Related commit: https://git.openstack.org/cgit/openstack/nova/commit/?id=0df91a7f799060cd2e9b8a0adac1efacb974bcb3

Steps to reproduce
==================
1. Set servicegroup_driver=mc in and enable_new_services=False in /etc/nova/nova.conf
2. Add new compute host, start nova-compute service. Service becomes disabled, and field updated_at is NULL in nova.services table in DB.
3. Execute nova service-list.

Expected result
===============
List of the nova services

Actual result
=============
ERROR (ClientException): Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
<type 'exceptions.TypeError'> (HTTP 500) (Request-ID: req-cbd9f4ca-7634-4378-8dcc-5a03d9d4193f)

Environment
===========
OpenStack Pike

Logs
==============
Trace in the nova-api-os-compute logs:

ERROR nova.api.openstack.extensions [req-6034517c-bc29-4ebe-931e-8726fd934bee e05fb82b34cd4265a839f2482debb973 b5d263d6d7c24b84b335f4f00ae6d7c9] Unexpected exception in API method: TypeError: can't compare datetime.datetime to NoneType
TRACE nova.api.openstack.extensions Traceback (most recent call last):
TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/extensions.py", line 336, in wrapped
TRACE nova.api.openstack.extensions     return f(*args, **kwargs)
TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/services.py", line 261, in index
TRACE nova.api.openstack.extensions     _services = self._get_services_list(req, ['forced_down'])
TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/services.py", line 115, in _get_services_list
TRACE nova.api.openstack.extensions     for svc in _services]
TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/services.py", line 83, in _get_service_detail
TRACE nova.api.openstack.extensions     updated_time = self.servicegroup_api.get_updated_time(svc)
TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/servicegroup/api.py", line 84, in get_updated_time
TRACE nova.api.openstack.extensions     return self._driver.updated_time(member)
TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/servicegroup/drivers/mc.py", line 81, in updated_time
TRACE nova.api.openstack.extensions     if updated_time_in_db <= updated_time_in_mc:
TRACE nova.api.openstack.extensions TypeError: can't compare datetime.datetime to NoneType
TRACE nova.api.openstack.extensions
2018-07-16 11:40:16,437.437 2096 INFO nova.api.openstack.wsgi [req-6034517c-bc29-4ebe-931e-8726fd934bee e05fb82b34cd4265a839f2482debb973 b5d263d6d7c24b84b335f4f00ae6d7c9] HTTP exception thrown: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
<type 'exceptions.TypeError'>

** Affects: nova
     Importance: Undecided
         Status: Confirmed

** Description changed:

- Affected version: Pike+
+ Description
+ ===========
+ nova service-list for new compute service causes TypeError.
  Related commit: https://git.openstack.org/cgit/openstack/nova/commit/?id=0df91a7f799060cd2e9b8a0adac1efacb974bcb3
  
- How to reproduce:
- 1. Set servicegroup_driver=mc in and enable_new_services=False in nova.conf
+ Steps to reproduce
+ ==================
+ 1. Set servicegroup_driver=mc in and enable_new_services=False in /etc/nova/nova.conf
  2. Add new compute host, start nova-compute service. Service becomes disabled, and field updated_at is NULL in nova.services table in DB.
- 3. Execute nova service-list:
+ 3. Execute nova service-list.
+ 
+ Expected result
+ ===============
+ List of the nova services
+ 
+ Actual result
+ =============
+ ERROR (ClientException): Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
+ <type 'exceptions.TypeError'> (HTTP 500) (Request-ID: req-cbd9f4ca-7634-4378-8dcc-5a03d9d4193f)
+ 
+ Environment
+ ===========
+ OpenStack Pike
+ 
+ Logs
+ ==============
  
  Trace in the nova-api-os-compute logs:
  
  ERROR nova.api.openstack.extensions [req-6034517c-bc29-4ebe-931e-8726fd934bee e05fb82b34cd4265a839f2482debb973 b5d263d6d7c24b84b335f4f00ae6d7c9] Unexpected exception in API method: TypeError: can't compare datetime.datetime to NoneType
  TRACE nova.api.openstack.extensions Traceback (most recent call last):
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/extensions.py", line 336, in wrapped
  TRACE nova.api.openstack.extensions     return f(*args, **kwargs)
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/services.py", line 261, in index
  TRACE nova.api.openstack.extensions     _services = self._get_services_list(req, ['forced_down'])
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/services.py", line 115, in _get_services_list
  TRACE nova.api.openstack.extensions     for svc in _services]
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/services.py", line 83, in _get_service_detail
  TRACE nova.api.openstack.extensions     updated_time = self.servicegroup_api.get_updated_time(svc)
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/servicegroup/api.py", line 84, in get_updated_time
  TRACE nova.api.openstack.extensions     return self._driver.updated_time(member)
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/servicegroup/drivers/mc.py", line 81, in updated_time
  TRACE nova.api.openstack.extensions     if updated_time_in_db <= updated_time_in_mc:
  TRACE nova.api.openstack.extensions TypeError: can't compare datetime.datetime to NoneType
  TRACE nova.api.openstack.extensions
  2018-07-16 11:40:16,437.437 2096 INFO nova.api.openstack.wsgi [req-6034517c-bc29-4ebe-931e-8726fd934bee e05fb82b34cd4265a839f2482debb973 b5d263d6d7c24b84b335f4f00ae6d7c9] HTTP exception thrown: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <type 'exceptions.TypeError'>

** Description changed:

  Description
  ===========
  nova service-list for new compute service causes TypeError.
  Related commit: https://git.openstack.org/cgit/openstack/nova/commit/?id=0df91a7f799060cd2e9b8a0adac1efacb974bcb3
  
  Steps to reproduce
  ==================
  1. Set servicegroup_driver=mc in and enable_new_services=False in /etc/nova/nova.conf
  2. Add new compute host, start nova-compute service. Service becomes disabled, and field updated_at is NULL in nova.services table in DB.
  3. Execute nova service-list.
  
  Expected result
  ===============
  List of the nova services
  
  Actual result
  =============
  ERROR (ClientException): Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <type 'exceptions.TypeError'> (HTTP 500) (Request-ID: req-cbd9f4ca-7634-4378-8dcc-5a03d9d4193f)
  
  Environment
  ===========
  OpenStack Pike
  
  Logs
  ==============
- 
  Trace in the nova-api-os-compute logs:
  
  ERROR nova.api.openstack.extensions [req-6034517c-bc29-4ebe-931e-8726fd934bee e05fb82b34cd4265a839f2482debb973 b5d263d6d7c24b84b335f4f00ae6d7c9] Unexpected exception in API method: TypeError: can't compare datetime.datetime to NoneType
  TRACE nova.api.openstack.extensions Traceback (most recent call last):
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/extensions.py", line 336, in wrapped
  TRACE nova.api.openstack.extensions     return f(*args, **kwargs)
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/services.py", line 261, in index
  TRACE nova.api.openstack.extensions     _services = self._get_services_list(req, ['forced_down'])
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/services.py", line 115, in _get_services_list
  TRACE nova.api.openstack.extensions     for svc in _services]
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/services.py", line 83, in _get_service_detail
  TRACE nova.api.openstack.extensions     updated_time = self.servicegroup_api.get_updated_time(svc)
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/servicegroup/api.py", line 84, in get_updated_time
  TRACE nova.api.openstack.extensions     return self._driver.updated_time(member)
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/servicegroup/drivers/mc.py", line 81, in updated_time
  TRACE nova.api.openstack.extensions     if updated_time_in_db <= updated_time_in_mc:
  TRACE nova.api.openstack.extensions TypeError: can't compare datetime.datetime to NoneType
  TRACE nova.api.openstack.extensions
  2018-07-16 11:40:16,437.437 2096 INFO nova.api.openstack.wsgi [req-6034517c-bc29-4ebe-931e-8726fd934bee e05fb82b34cd4265a839f2482debb973 b5d263d6d7c24b84b335f4f00ae6d7c9] HTTP exception thrown: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <type 'exceptions.TypeError'>

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https://bugs.launchpad.net/bugs/1781880

Title:
  nova service-list for new compute service causes TypeError with
  servicegroup_driver mc

Status in OpenStack Compute (nova):
  Confirmed

Bug description:
  Description
  ===========
  nova service-list for new compute service causes TypeError.
  Related commit: https://git.openstack.org/cgit/openstack/nova/commit/?id=0df91a7f799060cd2e9b8a0adac1efacb974bcb3

  Steps to reproduce
  ==================
  1. Set servicegroup_driver=mc in and enable_new_services=False in /etc/nova/nova.conf
  2. Add new compute host, start nova-compute service. Service becomes disabled, and field updated_at is NULL in nova.services table in DB.
  3. Execute nova service-list.

  Expected result
  ===============
  List of the nova services

  Actual result
  =============
  ERROR (ClientException): Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <type 'exceptions.TypeError'> (HTTP 500) (Request-ID: req-cbd9f4ca-7634-4378-8dcc-5a03d9d4193f)

  Environment
  ===========
  OpenStack Pike

  Logs
  ==============
  Trace in the nova-api-os-compute logs:

  ERROR nova.api.openstack.extensions [req-6034517c-bc29-4ebe-931e-8726fd934bee e05fb82b34cd4265a839f2482debb973 b5d263d6d7c24b84b335f4f00ae6d7c9] Unexpected exception in API method: TypeError: can't compare datetime.datetime to NoneType
  TRACE nova.api.openstack.extensions Traceback (most recent call last):
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/extensions.py", line 336, in wrapped
  TRACE nova.api.openstack.extensions     return f(*args, **kwargs)
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/services.py", line 261, in index
  TRACE nova.api.openstack.extensions     _services = self._get_services_list(req, ['forced_down'])
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/services.py", line 115, in _get_services_list
  TRACE nova.api.openstack.extensions     for svc in _services]
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/services.py", line 83, in _get_service_detail
  TRACE nova.api.openstack.extensions     updated_time = self.servicegroup_api.get_updated_time(svc)
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/servicegroup/api.py", line 84, in get_updated_time
  TRACE nova.api.openstack.extensions     return self._driver.updated_time(member)
  TRACE nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/servicegroup/drivers/mc.py", line 81, in updated_time
  TRACE nova.api.openstack.extensions     if updated_time_in_db <= updated_time_in_mc:
  TRACE nova.api.openstack.extensions TypeError: can't compare datetime.datetime to NoneType
  TRACE nova.api.openstack.extensions
  2018-07-16 11:40:16,437.437 2096 INFO nova.api.openstack.wsgi [req-6034517c-bc29-4ebe-931e-8726fd934bee e05fb82b34cd4265a839f2482debb973 b5d263d6d7c24b84b335f4f00ae6d7c9] HTTP exception thrown: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <type 'exceptions.TypeError'>

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