[Bug 1913607] Re: test_mount_quobyte_should_reraise_already_mounted_error - No such file or directory: '/etc/mtab'

Corey Bryant 1913607 at bugs.launchpad.net
Thu Jan 28 16:16:04 UTC 2021


I'm currently only hitting this on focal, bionic-ussuri, bionic-train,
and bionic-stein. I'm not hitting it on bionic base, groovy, and
hirsute. It's probably intermittent so I think I'll backport to all
releases back to bionic.

** Changed in: cinder (Ubuntu Bionic)
       Status: Invalid => Triaged

** Changed in: cinder (Ubuntu)
       Status: Invalid => Triaged

** Changed in: cinder (Ubuntu)
   Importance: Undecided => Medium

** Also affects: cloud-archive/stein
   Importance: Undecided
       Status: New

** Also affects: cloud-archive/train
   Importance: Undecided
       Status: New

** Also affects: cloud-archive/victoria
   Importance: Undecided
       Status: New

** Also affects: cloud-archive/queens
   Importance: Undecided
       Status: New

** Also affects: cloud-archive/ussuri
   Importance: Undecided
       Status: New

** Changed in: cloud-archive/queens
   Importance: Undecided => Medium

** Changed in: cloud-archive/queens
       Status: New => Triaged

** Changed in: cloud-archive/stein
   Importance: Undecided => Medium

** Changed in: cloud-archive/stein
       Status: New => Triaged

** Changed in: cloud-archive/train
   Importance: Undecided => Medium

** Changed in: cloud-archive/train
       Status: New => Triaged

** Changed in: cloud-archive/ussuri
   Importance: Undecided => Medium

** Changed in: cloud-archive/ussuri
       Status: New => Triaged

** Changed in: cloud-archive/victoria
   Importance: Undecided => Medium

** Changed in: cloud-archive/victoria
       Status: New => Triaged

** Also affects: cinder (Ubuntu Hirsute)
   Importance: Medium
       Status: Triaged

** Also affects: cinder (Ubuntu Groovy)
   Importance: Undecided
       Status: New

** Changed in: cinder (Ubuntu Groovy)
   Importance: Undecided => Medium

** Changed in: cinder (Ubuntu Groovy)
       Status: New => Triaged

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https://bugs.launchpad.net/bugs/1913607

Title:
  test_mount_quobyte_should_reraise_already_mounted_error -  No such
  file or directory: '/etc/mtab'

Status in Cinder:
  New
Status in Ubuntu Cloud Archive:
  Triaged
Status in Ubuntu Cloud Archive queens series:
  Triaged
Status in Ubuntu Cloud Archive stein series:
  Triaged
Status in Ubuntu Cloud Archive train series:
  Triaged
Status in Ubuntu Cloud Archive ussuri series:
  Triaged
Status in Ubuntu Cloud Archive victoria series:
  Triaged
Status in cinder package in Ubuntu:
  Triaged
Status in cinder source package in Bionic:
  Triaged
Status in cinder source package in Focal:
  Triaged
Status in cinder source package in Groovy:
  Triaged
Status in cinder source package in Hirsute:
  Triaged

Bug description:
  I'm hitting the following error on ussuri and prior. Worth noting,
  this is a package build for ubuntu.

  ======================================================================          
  FAIL: cinder.tests.unit.volume.drivers.test_quobyte.QuobyteDriverTestCase.test_mount_quobyte_should_reraise_already_mounted_error        
  cinder.tests.unit.volume.drivers.test_quobyte.QuobyteDriverTestCase.test_mount_quobyte_should_reraise_already_mounted_error              
  ----------------------------------------------------------------------
  _StringException: pythonlogging:'': {{{                             
  2021-01-27 18:46:39,044 INFO [keystonemiddleware.auth_token] Starting Keystone auth_token middleware
  2021-01-27 18:46:39,047 WARNING [keystonemiddleware._common.config] The option "auth_url" is not known to keystonemiddleware             
  2021-01-27 18:46:39,047 WARNING [keystonemiddleware.auth_token] AuthToken middleware is set with keystone_authtoken.service_token_roles_required set to False. This is backwards compatible but deprecated behaviour. Please set this to True.
  2021-01-27 18:46:39,050 WARNING [keystonemiddleware.auth_token] Configuring www_authenticate_uri to point to the public identity endpoint is required; clients may not be able to authenticate against an admin endpoint
  2021-01-27 18:46:39,069 INFO [cinder.volume.drivers.quobyte] The NAS file operations will be run as non privileged user in secure mode. Please ensure your libvirtd settings have been configured accordingly (see section 'OpenStack' in the Quobyte Manual.
  2021-01-27 18:46:39,070 INFO [cinder.volume.drivers.quobyte] Mounting volume: quobyte://quobyte-host/openstack-volumes ...               
  2021-01-27 18:46:39,071 INFO [cinder.volume.drivers.quobyte] Mounting volume: quobyte://quobyte-host/openstack-volumes succeeded         
  }}}                                                                 
                                                                      
  Traceback (most recent call last):                                  
    File "/<<PKGBUILDDIR>>/cinder/tests/unit/volume/drivers/test_quobyte.py", line 463, in test_mount_quobyte_should_reraise_already_mounted_error
      ensure=False)                                                   
    File "/usr/lib/python3/dist-packages/testtools/testcase.py", line 485, in assertRaises
      self.assertThat(our_callable, matcher)                          
    File "/usr/lib/python3/dist-packages/testtools/testcase.py", line 496, in assertThat
      mismatch_error = self._matchHelper(matchee, matcher, message, verbose)
    File "/usr/lib/python3/dist-packages/testtools/testcase.py", line 547, in _matchHelper
      mismatch = matcher.match(matchee)                                                                                                    
    File "/usr/lib/python3/dist-packages/testtools/matchers/_exception.py", line 108, in match
      mismatch = self.exception_matcher.match(exc_info)
    File "/usr/lib/python3/dist-packages/testtools/matchers/_higherorder.py", line 62, in match
      mismatch = matcher.match(matchee)
    File "/usr/lib/python3/dist-packages/testtools/testcase.py", line 475, in match
      reraise(*matchee)                                               
    File "/usr/lib/python3/dist-packages/testtools/_compat3x.py", line 16, in reraise
      raise exc_obj.with_traceback(exc_tb)
    File "/usr/lib/python3/dist-packages/testtools/matchers/_exception.py", line 101, in match
      result = matchee()                                              
    File "/usr/lib/python3/dist-packages/testtools/testcase.py", line 1049, in __call__
      return self._callable_object(*self._args, **self._kwargs)
    File "/<<PKGBUILDDIR>>/cinder/volume/drivers/quobyte.py", line 699, in _mount_quobyte
      self._validate_volume(mount_path)
    File "/<<PKGBUILDDIR>>/cinder/volume/drivers/quobyte.py", line 705, in _validate_volume
      partitions = psutil.disk_partitions(all=True)
    File "/usr/lib/python3/dist-packages/psutil/__init__.py", line 2095, in disk_partitions
      return _psplatform.disk_partitions(all)
    File "/usr/lib/python3/dist-packages/psutil/_pslinux.py", line 1168, in disk_partitions
      partitions = cext.disk_partitions(mtab_path)
  FileNotFoundError: [Errno 2] No such file or directory: '/etc/mtab'

  
  This is similiar to: https://bugs.launchpad.net/cinder/+bug/1675861

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