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Public bug reported:
Live migration will repeat execute check_can_live_migrate_destination when it Throw exceptions in selected destination. Until check the destination is possible to execute live migration.
The action events will record the result of each execution. But the event result is inconsistent with the actual execution results.
Like this:
The first compute_check_can_live_migrate_destination execution results is Error, but it record Success, the latest execution results is Success, but it record None.
+---------------+-------------------------------------------------------------------------------------------------------------------------+
| Property | Value |
+---------------+-------------------------------------------------------------------------------------------------------------------------+
| action | live-migration |
| events | [{u'event': u'compute_post_live_migration_at_destination', |
| | u'finish_time': u'2021-11-08T08:42:01.000000', |
| | u'result': u'Success', |
| | u'start_time': u'2021-11-08T08:41:58.000000', |
| | u'traceback': None}, |
| | {u'event': u'compute_pre_live_migration', |
| | u'finish_time': u'2021-11-08T08:41:54.000000', |
| | u'result': u'Success', |
| | u'start_time': u'2021-11-08T08:41:51.000000', |
| | u'traceback': None}, |
| | {u'event': u'compute_live_migration', |
| | u'finish_time': u'2021-11-08T08:41:51.000000', |
| | u'result': u'Success', |
| | u'start_time': u'2021-11-08T08:41:51.000000', |
| | u'traceback': None}, |
| | {u'event': u'compute_check_can_live_migrate_source', |
| | u'finish_time': u'2021-11-08T08:41:51.000000', |
| | u'result': u'Success', |
| | u'start_time': u'2021-11-08T08:41:51.000000', |
| | u'traceback': None}, |
| | {u'event': u'compute_check_can_live_migrate_destination', |
| | u'finish_time': None, |
| | u'result': None, |
| | u'start_time': u'2021-11-08T08:41:51.000000', |
| | u'traceback': None}, |
| | {u'event': u'compute_check_can_live_migrate_destination', |
| | u'finish_time': None, |
| | u'result': None, |
| | u'start_time': u'2021-11-08T08:41:49.000000', |
| | u'traceback': None}, |
| | {u'event': u'compute_check_can_live_migrate_destination', |
| | u'finish_time': u'2021-11-08T08:41:51.000000', |
| | u'result': u'Success', |
| | u'start_time': u'2021-11-08T08:41:47.000000', |
| | u'traceback': u' File "/usr/lib/python2.7/site-packages/nova/compute/utils.py", line 976, in decorated_function |
| | return function(self, context, *args, **kwargs) |
| | File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 222, in decorated_function |
| | kwargs[\'instance\'], e, sys.exc_info()) |
| | File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__ |
| | self.force_reraise() |
| | File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise |
| | six.reraise(self.type_, self.value, self.tb) |
| | File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 210, in decorated_function |
| | return function(self, context, *args, **kwargs) |
| | File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 6499, in check_can_live_migrate_destination |
| | disk_over_commit) |
| | File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 6510, in _do_check_can_live_migrate_destination |
| | block_migration, disk_over_commit) |
| | File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 7052, in check_can_live_migrate_destination |
| | raise exception.InvalidCPUInfo(reason="Alex test") |
| | '}, |
| | {u'event': u'conductor_live_migrate_instance', |
| | u'finish_time': u'2021-11-08T08:41:51.000000', |
| | u'result': u'Success', |
| | u'start_time': u'2021-11-08T08:41:44.000000', |
| | u'traceback': None}] |
| instance_uuid | eabdfcdc-f96f-4339-9dac-4e4cf77cd047 |
| message | Error |
| project_id | 301c71abbc4443699475be768334962c |
| request_id | req-35c48cf0-1a4f-4962-80fb-4aa5b726dee9 |
| start_time | 2021-11-08T08:41:44.000000 |
| updated_at | 2021-11-08T08:42:01.000000 |
| user_id | 1d0ce6d5cf9643d5825151a87a48cebb |
+---------------+-------------------------------------------------------------------------------------------------------------------------+
** Affects: nova
Importance: Undecided
Assignee: wujian (wujian666)
Status: In Progress
** Changed in: nova
Assignee: (unassigned) => wujian (wujian666)
** Changed in: nova
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1950138
Title:
instance action event result inconsistent
Status in OpenStack Compute (nova):
In Progress
Bug description:
Live migration will repeat execute check_can_live_migrate_destination when it Throw exceptions in selected destination. Until check the destination is possible to execute live migration.
The action events will record the result of each execution. But the event result is inconsistent with the actual execution results.
Like this:
The first compute_check_can_live_migrate_destination execution results is Error, but it record Success, the latest execution results is Success, but it record None.
+---------------+-------------------------------------------------------------------------------------------------------------------------+
| Property | Value |
+---------------+-------------------------------------------------------------------------------------------------------------------------+
| action | live-migration |
| events | [{u'event': u'compute_post_live_migration_at_destination', |
| | u'finish_time': u'2021-11-08T08:42:01.000000', |
| | u'result': u'Success', |
| | u'start_time': u'2021-11-08T08:41:58.000000', |
| | u'traceback': None}, |
| | {u'event': u'compute_pre_live_migration', |
| | u'finish_time': u'2021-11-08T08:41:54.000000', |
| | u'result': u'Success', |
| | u'start_time': u'2021-11-08T08:41:51.000000', |
| | u'traceback': None}, |
| | {u'event': u'compute_live_migration', |
| | u'finish_time': u'2021-11-08T08:41:51.000000', |
| | u'result': u'Success', |
| | u'start_time': u'2021-11-08T08:41:51.000000', |
| | u'traceback': None}, |
| | {u'event': u'compute_check_can_live_migrate_source', |
| | u'finish_time': u'2021-11-08T08:41:51.000000', |
| | u'result': u'Success', |
| | u'start_time': u'2021-11-08T08:41:51.000000', |
| | u'traceback': None}, |
| | {u'event': u'compute_check_can_live_migrate_destination', |
| | u'finish_time': None, |
| | u'result': None, |
| | u'start_time': u'2021-11-08T08:41:51.000000', |
| | u'traceback': None}, |
| | {u'event': u'compute_check_can_live_migrate_destination', |
| | u'finish_time': None, |
| | u'result': None, |
| | u'start_time': u'2021-11-08T08:41:49.000000', |
| | u'traceback': None}, |
| | {u'event': u'compute_check_can_live_migrate_destination', |
| | u'finish_time': u'2021-11-08T08:41:51.000000', |
| | u'result': u'Success', |
| | u'start_time': u'2021-11-08T08:41:47.000000', |
| | u'traceback': u' File "/usr/lib/python2.7/site-packages/nova/compute/utils.py", line 976, in decorated_function |
| | return function(self, context, *args, **kwargs) |
| | File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 222, in decorated_function |
| | kwargs[\'instance\'], e, sys.exc_info()) |
| | File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 220, in __exit__ |
| | self.force_reraise() |
| | File "/usr/lib/python2.7/site-packages/oslo_utils/excutils.py", line 196, in force_reraise |
| | six.reraise(self.type_, self.value, self.tb) |
| | File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 210, in decorated_function |
| | return function(self, context, *args, **kwargs) |
| | File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 6499, in check_can_live_migrate_destination |
| | disk_over_commit) |
| | File "/usr/lib/python2.7/site-packages/nova/compute/manager.py", line 6510, in _do_check_can_live_migrate_destination |
| | block_migration, disk_over_commit) |
| | File "/usr/lib/python2.7/site-packages/nova/virt/libvirt/driver.py", line 7052, in check_can_live_migrate_destination |
| | raise exception.InvalidCPUInfo(reason="Alex test") |
| | '}, |
| | {u'event': u'conductor_live_migrate_instance', |
| | u'finish_time': u'2021-11-08T08:41:51.000000', |
| | u'result': u'Success', |
| | u'start_time': u'2021-11-08T08:41:44.000000', |
| | u'traceback': None}] |
| instance_uuid | eabdfcdc-f96f-4339-9dac-4e4cf77cd047 |
| message | Error |
| project_id | 301c71abbc4443699475be768334962c |
| request_id | req-35c48cf0-1a4f-4962-80fb-4aa5b726dee9 |
| start_time | 2021-11-08T08:41:44.000000 |
| updated_at | 2021-11-08T08:42:01.000000 |
| user_id | 1d0ce6d5cf9643d5825151a87a48cebb |
+---------------+-------------------------------------------------------------------------------------------------------------------------+
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