Bug #20212: test_fs_new failure on race between pool creation and appearance in `df` - CephFS - Ceph

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Bug #20212

closed

test_fs_new failure on race between pool creation and appearance in `df`

Added by John Spray almost 7 years ago. Updated almost 7 years ago.

Status:

Resolved

Priority:

Normal

Assignee:

Patrick Donnelly

Category:

Testing

Target version:

% Done:

Source:

Development

Tags:

Backport:

Regression:

Severity:

3 - minor

Reviewed:

Affected Versions:

ceph-qa-suite:

Component(FS):

qa-suite

Labels (FS):

Pull request ID:

Crash signature (v1):

Crash signature (v2):

Description

2017-06-06T13:39:41.236 INFO:tasks.cephfs_test_runner:======================================================================
2017-06-06T13:39:41.236 INFO:tasks.cephfs_test_runner:ERROR: test_fs_new (tasks.cephfs.test_misc.TestMisc)
2017-06-06T13:39:41.236 INFO:tasks.cephfs_test_runner:----------------------------------------------------------------------
2017-06-06T13:39:41.237 INFO:tasks.cephfs_test_runner:Traceback (most recent call last):
2017-06-06T13:39:41.237 INFO:tasks.cephfs_test_runner:  File "/home/teuthworker/src/github.com_ceph_ceph-c_wip-jcsp-testing-20170604/qa/tasks/cephfs/test_misc.py", line 69, in test_fs_new
2017-06-06T13:39:41.237 INFO:tasks.cephfs_test_runner:    timeout=timeout)
2017-06-06T13:39:41.237 INFO:tasks.cephfs_test_runner:  File "/home/teuthworker/src/github.com_ceph_ceph-c_wip-jcsp-testing-20170604/qa/tasks/ceph_test_case.py", line 135, in wait_until_true
2017-06-06T13:39:41.237 INFO:tasks.cephfs_test_runner:    if condition():
2017-06-06T13:39:41.237 INFO:tasks.cephfs_test_runner:  File "/home/teuthworker/src/github.com_ceph_ceph-c_wip-jcsp-testing-20170604/qa/tasks/cephfs/test_misc.py", line 68, in <lambda>
2017-06-06T13:39:41.237 INFO:tasks.cephfs_test_runner:    lambda: get_pool_df(self.fs.metadata_pool_name)['objects'] > 0,
2017-06-06T13:39:41.237 INFO:tasks.cephfs_test_runner:  File "/home/teuthworker/src/github.com_ceph_ceph-c_wip-jcsp-testing-20170604/qa/tasks/cephfs/filesystem.py", line 567, in get_pool_df
2017-06-06T13:39:41.237 INFO:tasks.cephfs_test_runner:    raise RuntimeError("Pool name '{0}' not found".format(pool_name))
2017-06-06T13:39:41.237 INFO:tasks.cephfs_test_runner:RuntimeError: Pool name 'cephfs_metadata' not found

I expect this is due to the PG stuff moving into mgr and therefore lagging a bit between creating the pool and the pool appearing in the PG stats.

We can update our test to wait for the pool to appear in df before trying to check its usage in this test.