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[Daniel Berrange <1369537@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

This is clearly unacceptable for a test case:

$ .venv/bin/python -m testtools.run nova.tests.virt.libvirt.test_driver.LibvirtConnTestCase.test_create_propagates_exceptions
Tests running...

Ran 1 test in 31.816s
OK


It is caused by  a looping sleep in the disk mount code, which shoudln't even be run in this test case.

      File "nova/virt/libvirt/driver.py", line 4412, in _create_domain_and_network
        disk_info):
      File "/usr/lib64/python2.7/contextlib.py", line 17, in __enter__
        return self.gen.next()
      File "nova/virt/libvirt/driver.py", line 4308, in _lxc_disk_handler
        self._create_domain_setup_lxc(instance, block_device_info, disk_info)
      File "nova/virt/libvirt/driver.py", line 4260, in _create_domain_setup_lxc
        use_cow=use_cow)
      File "nova/virt/disk/api.py", line 386, in setup_container
        dev = img.mount()
      File "nova/virt/disk/api.py", line 306, in mount
        if mounter.do_mount():
      File "nova/virt/disk/mount/api.py", line 218, in do_mount
        status = self.get_dev() and self.map_dev() and self.mnt_dev()
      File "nova/virt/disk/mount/nbd.py", line 120, in get_dev
        return self._get_dev_retry_helper()
      File "nova/virt/disk/mount/api.py", line 121, in _get_dev_retry_helper
        time.sleep(2)

** Affects: nova
     Importance: High
     Assignee: Daniel Berrange (berrange)
         Status: In Progress

** Changed in: nova
       Status: New => Confirmed

** Changed in: nova
   Importance: Undecided => High

** Changed in: nova
     Assignee: (unassigned) => Daniel Berrange (berrange)

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https://bugs.launchpad.net/bugs/1369537

Title:
  LibvirtConnTestCase.test_create_propagates_exceptions takes 30 seconds
  to run

Status in OpenStack Compute (Nova):
  In Progress

Bug description:
  This is clearly unacceptable for a test case:

  $ .venv/bin/python -m testtools.run nova.tests.virt.libvirt.test_driver.LibvirtConnTestCase.test_create_propagates_exceptions
  Tests running...

  Ran 1 test in 31.816s
  OK

  
  It is caused by  a looping sleep in the disk mount code, which shoudln't even be run in this test case.

        File "nova/virt/libvirt/driver.py", line 4412, in _create_domain_and_network
          disk_info):
        File "/usr/lib64/python2.7/contextlib.py", line 17, in __enter__
          return self.gen.next()
        File "nova/virt/libvirt/driver.py", line 4308, in _lxc_disk_handler
          self._create_domain_setup_lxc(instance, block_device_info, disk_info)
        File "nova/virt/libvirt/driver.py", line 4260, in _create_domain_setup_lxc
          use_cow=use_cow)
        File "nova/virt/disk/api.py", line 386, in setup_container
          dev = img.mount()
        File "nova/virt/disk/api.py", line 306, in mount
          if mounter.do_mount():
        File "nova/virt/disk/mount/api.py", line 218, in do_mount
          status = self.get_dev() and self.map_dev() and self.mnt_dev()
        File "nova/virt/disk/mount/nbd.py", line 120, in get_dev
          return self._get_dev_retry_helper()
        File "nova/virt/disk/mount/api.py", line 121, in _get_dev_retry_helper
          time.sleep(2)

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