As Matt said, HTTP 202 means just "Accepted" for a request. That doesn't mean
the operation is completed already.
However on cell-v1, the API behavior looks like "the operation is completed
already" and Tempest is expecting it on the test.
So I guess Tempest side work is unnecessary now.
** Changed in: tempest
Status: New => Opinion
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https://bugs.launchpad.net/bugs/1660747
Title:
test_list_servers_filter_by_error_status intermittently fails with
MismatchError on no servers in response
Status in OpenStack Compute (nova):
Fix Released
Status in tempest:
Opinion
Bug description:
Seen here:
http://logs.openstack.org/59/424759/12/gate/gate-tempest-dsvm-cells-
ubuntu-xenial/d7b1311/console.html#_2017-01-31_17_48_34_663273
2017-01-31 17:48:34.663337 | Captured traceback:
2017-01-31 17:48:34.663348 | ~~~~~~~~~~~~~~~~~~~
2017-01-31 17:48:34.663363 | Traceback (most recent call last):
2017-01-31 17:48:34.663393 | File
"tempest/api/compute/admin/test_servers.py", line 59, in
test_list_servers_filter_by_error_status
2017-01-31 17:48:34.663414 | self.assertIn(self.s1_id, map(lambda x:
x['id'], servers))
2017-01-31 17:48:34.663448 | File
"/opt/stack/new/tempest/.tox/tempest/local/lib/python2.7/site-packages/testtools/testcase.py",
line 417, in assertIn
2017-01-31 17:48:34.663468 | self.assertThat(haystack,
Contains(needle), message)
2017-01-31 17:48:34.663502 | File
"/opt/stack/new/tempest/.tox/tempest/local/lib/python2.7/site-packages/testtools/testcase.py",
line 498, in assertThat
2017-01-31 17:48:34.663515 | raise mismatch_error
2017-01-31 17:48:34.663542 | testtools.matchers._impl.MismatchError:
u'108b4797-74fd-4a00-912a-b7fe0e142888' not in []
This test resets the state on a server to ERROR:
2017-01-31 17:48:34.663649 | 2017-01-31 17:28:39,375 504 INFO
[tempest.lib.common.rest_client] Request
(ServersAdminTestJSON:test_list_servers_filter_by_error_status): 202 POST
http://10.23.154.32:8774/v2.1/servers/108b4797-74fd-4a00-912a-b7fe0e142888/action
0.142s
2017-01-31 17:48:34.663695 | 2017-01-31 17:28:39,376 504 DEBUG
[tempest.lib.common.rest_client] Request - Headers: {'X-Auth-Token':
'<omitted>', 'Accept': 'application/json', 'Content-Type': 'application/json'}
2017-01-31 17:48:34.663714 | Body: {"os-resetState": {"state":
"error"}}
Then tries to list servers by that status and expects to get that one
back:
2017-01-31 17:48:34.663883 | 2017-01-31 17:28:39,556 504 INFO
[tempest.lib.common.rest_client] Request
(ServersAdminTestJSON:test_list_servers_filter_by_error_status): 200 GET
http://10.23.154.32:8774/v2.1/servers?status=error 0.179s
2017-01-31 17:48:34.663955 | 2017-01-31 17:28:39,556 504 DEBUG
[tempest.lib.common.rest_client] Request - Headers: {'X-Auth-Token':
'<omitted>', 'Accept': 'application/json', 'Content-Type': 'application/json'}
2017-01-31 17:48:34.663969 | Body: None
2017-01-31 17:48:34.664078 | Response - Headers:
{u'x-openstack-nova-api-version': '2.1', u'vary':
'X-OpenStack-Nova-API-Version', u'content-length': '15', 'status': '200',
u'content-type': 'application/json', u'x-compute-request-id':
'req-91ef16ab-28c3-47c5-b823-6a321bde5c01', u'date': 'Tue, 31 Jan 2017 17:28:39
GMT', 'content-location': 'http://10.23.154.32:8774/v2.1/servers?status=error',
u'openstack-api-version': 'compute 2.1', u'connection': 'close'}
2017-01-31 17:48:34.664094 | Body: {"servers": []}
And the list is coming back empty, intermittently, with cells v1. So
there is probably some vm_state change race between the state change
in the child cell and reporting that back up to the parent API cell.
http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22Body%3A%20%7B%5C%5C%5C%22servers%5C%5C%5C%22%3A%20%5B%5D%7D%5C%22%20AND%20tags%3A%5C%22console%5C%22%20AND%20build_name%3A%5C
%22gate-tempest-dsvm-cells-ubuntu-xenial%5C%22&from=7d
16 hits in 7 days, check and gate, all failures.
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