def _ensure_gluster_vol_mounted(self):
"""Ensure GlusterFS volume is native-mounted on Manila host."""
mount_path = self._get_mount_point_for_gluster_vol()
try:
common._mount_gluster_vol(self.driver._execute, self.gluster_manager.export, mount_path, ensure=True)
except exception.GlusterfsException:
LOG.error(_LE("Could not mount the Gluster volume %s"), self.gluster_manager.volume)
raise
def _ensure_gluster_vol_mounted(self):
"""Ensure GlusterFS volume is native-mounted on Manila host."""
mount_path = self._get_mount_point_for_gluster_vol()
try:
common._mount_gluster_vol(self.driver._execute,
self.gluster_manager.export, mount_path,
ensure=True)
except exception.GlusterfsException:
LOG.error(_LE('Could not mount the Gluster volume %s'),
self.gluster_manager.volume)
raise
def _wipe_gluster_vol(self, gluster_mgr):
# Create a temporary mount.
gluster_export = gluster_mgr.export
tmpdir = tempfile.mkdtemp()
try:
common._mount_gluster_vol(self.driver._execute, gluster_export,
tmpdir)
except exception.GlusterfsException:
shutil.rmtree(tmpdir, ignore_errors=True)
raise
# Delete the contents of a GlusterFS volume that is temporarily
# mounted.
# From GlusterFS version 3.7, two directories, '.trashcan' at the root
# of the GlusterFS volume and 'internal_op' within the '.trashcan'
# directory, are internally created when a GlusterFS volume is started.
# GlusterFS does not allow unlink(2) of the two directories. So do not
# delete the paths of the two directories, but delete their contents
# along with the rest of the contents of the volume.
srvaddr = gluster_mgr.host_access
if common.GlusterManager.numreduct(
self.glusterfs_versions[srvaddr]) < (3, 7):
cmd = ['find', tmpdir, '-mindepth', '1', '-delete']
else:
ignored_dirs = map(lambda x: os.path.join(tmpdir, *x),
[('.trashcan', ), ('.trashcan', 'internal_op')])
ignored_dirs = list(ignored_dirs)
cmd = [
'find', tmpdir, '-mindepth', '1', '!', '-path',
ignored_dirs[0], '!', '-path', ignored_dirs[1], '-delete'
]
try:
self.driver._execute(*cmd, run_as_root=True)
except exception.ProcessExecutionError as exc:
msg = (_("Error trying to wipe gluster volume. "
"gluster_export: %(export)s, Error: %(error)s") % {
'export': gluster_export,
'error': exc.stderr
})
LOG.error(msg)
raise exception.GlusterfsException(msg)
finally:
# Unmount.
common._umount_gluster_vol(self.driver._execute, tmpdir)
shutil.rmtree(tmpdir, ignore_errors=True)
def _wipe_gluster_vol(self, gluster_mgr):
# Create a temporary mount.
gluster_export = gluster_mgr.export
tmpdir = tempfile.mkdtemp()
try:
common._mount_gluster_vol(self.driver._execute, gluster_export,
tmpdir)
except exception.GlusterfsException:
shutil.rmtree(tmpdir, ignore_errors=True)
raise
# Delete the contents of a GlusterFS volume that is temporarily
# mounted.
# From GlusterFS version 3.7, two directories, '.trashcan' at the root
# of the GlusterFS volume and 'internal_op' within the '.trashcan'
# directory, are internally created when a GlusterFS volume is started.
# GlusterFS does not allow unlink(2) of the two directories. So do not
# delete the paths of the two directories, but delete their contents
# along with the rest of the contents of the volume.
srvaddr = gluster_mgr.host_access
if common.GlusterManager.numreduct(self.glusterfs_versions[srvaddr]
) < (3, 7):
cmd = ['find', tmpdir, '-mindepth', '1', '-delete']
else:
ignored_dirs = map(lambda x: os.path.join(tmpdir, *x),
[('.trashcan', ), ('.trashcan', 'internal_op')])
ignored_dirs = list(ignored_dirs)
cmd = ['find', tmpdir, '-mindepth', '1', '!', '-path',
ignored_dirs[0], '!', '-path', ignored_dirs[1], '-delete']
try:
self.driver._execute(*cmd, run_as_root=True)
except exception.ProcessExecutionError as exc:
msg = (_("Error trying to wipe gluster volume. "
"gluster_export: %(export)s, Error: %(error)s") %
{'export': gluster_export, 'error': exc.stderr})
LOG.error(msg)
raise exception.GlusterfsException(msg)
finally:
# Unmount.
common._umount_gluster_vol(self.driver._execute, tmpdir)
shutil.rmtree(tmpdir, ignore_errors=True)
def test_mount_gluster_vol_mounted_ensure(self):
def exec_runner(*ignore_args, **ignore_kwargs):
raise exception.ProcessExecutionError(stderr='already mounted')
expected_exec = self._mount_exec(fakeexport, fakemnt)
common.LOG.warning = mock.Mock()
fake_utils.fake_execute_set_repliers([('mount', exec_runner)])
ret = common._mount_gluster_vol(self._execute, fakeexport, fakemnt,
True)
self.assertEqual(fake_utils.fake_execute_get_log(), expected_exec)
self.assertIsNone(ret)
common.LOG.warning.assert_called_with(
"%s is already mounted.", fakeexport)
def test_mount_gluster_vol_mounted_ensure(self):
def exec_runner(*ignore_args, **ignore_kwargs):
raise exception.ProcessExecutionError(stderr='already mounted')
expected_exec = self._mount_exec(fakeexport, fakemnt)
common.LOG.warning = mock.Mock()
fake_utils.fake_execute_set_repliers([('mount', exec_runner)])
ret = common._mount_gluster_vol(self._execute, fakeexport, fakemnt,
True)
self.assertEqual(fake_utils.fake_execute_get_log(), expected_exec)
self.assertIsNone(ret)
common.LOG.warning.assert_called_with(
"%s is already mounted.", fakeexport)
def test_mount_gluster_vol(self):
expected_exec = self._mount_exec(fakeexport, fakemnt)
ret = common._mount_gluster_vol(self._execute, fakeexport, fakemnt,
False)
self.assertEqual(fake_utils.fake_execute_get_log(), expected_exec)
self.assertIsNone(ret)
def test_mount_gluster_vol(self):
expected_exec = self._mount_exec(fakeexport, fakemnt)
ret = common._mount_gluster_vol(self._execute, fakeexport, fakemnt,
False)
self.assertEqual(fake_utils.fake_execute_get_log(), expected_exec)
self.assertIsNone(ret)