def test_libvirt_quobyte_driver_qcow2(self, mock_mount_volume,
mock_validate_volume, mock_umount):
mnt_base = '/mnt'
self.flags(quobyte_mount_point_base=mnt_base, group='libvirt')
libvirt_driver = quobyte.LibvirtQuobyteVolumeDriver(self.fake_host)
export_string = 'quobyte://192.168.1.1/volume-00001'
name = 'volume-00001'
image_format = 'qcow2'
quobyte_volume = '192.168.1.1/volume-00001'
connection_info = {'data': {'export': export_string,
'name': name,
'format': image_format}}
export_mnt_base = os.path.join(mnt_base,
utils.get_hash_str(quobyte_volume))
mock_validate_volume.side_effect = [nova_exception.StaleVolumeMount(
"This shall fail."), True, True]
libvirt_driver.connect_volume(connection_info, mock.sentinel.instance)
conf = libvirt_driver.get_config(connection_info, self.disk_info)
tree = conf.format_dom()
self.assertEqual('file', tree.get('type'))
self.assertEqual('qcow2', tree.find('./driver').get('type'))
(mock_mount_volume.
assert_called_once_with('192.168.1.1/volume-00001',
export_mnt_base,
mock.ANY))
mock_validate_volume.assert_called_with(export_mnt_base)
libvirt_driver.disconnect_volume(connection_info,
mock.sentinel.instance)
mock_umount.assert_has_calls([mock.call(export_mnt_base),
mock.call(export_mnt_base)])
def validate_volume(mount_path):
"""Determine if the volume is a valid Quobyte mount.
Runs a number of tests to be sure this is a (working) Quobyte mount
"""
partitions = psutil.disk_partitions(all=True)
for p in partitions:
if mount_path != p.mountpoint:
continue
if p.device.startswith("quobyte@") or p.fstype == "fuse.quobyte":
statresult = os.stat(mount_path)
# Note(kaisers): Quobyte always shows mount points with size 0
if statresult.st_size == 0:
# client looks healthy
return # we're happy here
else:
msg = (_("The mount %(mount_path)s is not a "
"valid Quobyte volume. Stale mount?") % {
'mount_path': mount_path
})
raise nova_exception.StaleVolumeMount(msg, mount_path=mount_path)
else:
msg = (_("The mount %(mount_path)s is not a valid "
"Quobyte volume according to partition list.") % {
'mount_path': mount_path
})
raise nova_exception.InvalidVolume(msg)
msg = (_("No matching Quobyte mount entry for %(mount_path)s"
" could be found for validation in partition list.") % {
'mount_path': mount_path
})
raise nova_exception.InvalidVolume(msg)
def test_libvirt_quobyte_driver_mount(self,
mock_is_mounted,
mock_mount_volume,
mock_validate_volume,
mock_umount_volume
):
mnt_base = '/mnt'
self.flags(quobyte_mount_point_base=mnt_base, group='libvirt')
libvirt_driver = quobyte.LibvirtQuobyteVolumeDriver(self.fake_host)
export_string = 'quobyte://192.168.1.1/volume-00001'
quobyte_volume = '192.168.1.1/volume-00001'
export_mnt_base = os.path.join(mnt_base,
utils.get_hash_str(quobyte_volume))
file_path = os.path.join(export_mnt_base, self.name)
connection_info = {'data': {'export': export_string,
'name': self.name}}
mock_validate_volume.side_effect = [nova_exception.StaleVolumeMount(
"This shall fail."), True, True]
libvirt_driver.connect_volume(connection_info, mock.sentinel.instance)
conf = libvirt_driver.get_config(connection_info, self.disk_info)
tree = conf.format_dom()
self._assertFileTypeEquals(tree, file_path)
mock_mount_volume.assert_called_once_with(quobyte_volume,
export_mnt_base,
mock.ANY)
mock_validate_volume.assert_called_with(export_mnt_base)
mock_umount_volume.assert_called_once_with(
libvirt_driver._get_mount_path(connection_info))