def test_create_share_from_snapshot_empty_snapshot(self):
self.mock_object(driver.HitachiHNASDriver, "_check_fs_mounted",
mock.Mock())
self.mock_object(ssh.HNASSSHBackend, "vvol_create", mock.Mock())
self.mock_object(ssh.HNASSSHBackend, "quota_add", mock.Mock())
self.mock_object(ssh.HNASSSHBackend, "tree_clone", mock.Mock(
side_effect=exception.HNASNothingToCloneException('msg')))
self.mock_object(ssh.HNASSSHBackend, "nfs_export_add", mock.Mock())
result = self._driver.create_share_from_snapshot('context', share_nfs,
snapshot_nfs)
expected = [
self._get_export(
share_nfs, self._driver.hnas_evs_ip, False),
self._get_export(
share_nfs, self._driver.hnas_admin_network_ip, True)]
self.assertEqual(expected, result)
self.assertTrue(self.mock_log.warning.called)
ssh.HNASSSHBackend.vvol_create.assert_called_once_with(share_nfs['id'])
ssh.HNASSSHBackend.quota_add.assert_called_once_with(share_nfs['id'],
share_nfs['size'])
ssh.HNASSSHBackend.tree_clone.assert_called_once_with(
'/snapshots/' + share_nfs['id'] + '/' + snapshot_nfs['id'],
'/shares/' + share_nfs['id'])
ssh.HNASSSHBackend.nfs_export_add.assert_called_once_with(
share_nfs['id'])
def test_create_snapshot_first_snapshot(self):
self.mock_object(hds_hnas.HDSHNASDriver, "_get_hnas_share_id",
mock.Mock(return_value=share['id']))
self.mock_object(ssh.HNASSSHBackend, "get_host_list", mock.Mock(
return_value=['172.24.44.200(rw)']))
self.mock_object(ssh.HNASSSHBackend, "update_access_rule", mock.Mock())
self.mock_object(ssh.HNASSSHBackend, "tree_clone", mock.Mock(
side_effect=exception.HNASNothingToCloneException('msg')))
self.mock_object(ssh.HNASSSHBackend, "create_directory", mock.Mock())
self._driver.create_snapshot('context', snapshot)
self.assertTrue(self.mock_log.warning.called)
ssh.HNASSSHBackend.get_host_list.assert_called_once_with(share['id'])
ssh.HNASSSHBackend.update_access_rule.assert_any_call(
share['id'], ['172.24.44.200(ro)'])
ssh.HNASSSHBackend.update_access_rule.assert_any_call(
share['id'], ['172.24.44.200(rw)'])
ssh.HNASSSHBackend.create_directory.assert_called_once_with(
'/snapshots/' + share['id'] + '/' + snapshot['id'])
def test_create_share_from_snapshot_empty_snapshot(self):
self.mock_object(hds_hnas.HDSHNASDriver, "_check_fs_mounted",
mock.Mock())
self.mock_object(ssh.HNASSSHBackend, "vvol_create", mock.Mock())
self.mock_object(ssh.HNASSSHBackend, "quota_add", mock.Mock())
self.mock_object(ssh.HNASSSHBackend, "tree_clone", mock.Mock(
side_effect=exception.HNASNothingToCloneException('msg')))
self.mock_object(ssh.HNASSSHBackend, "nfs_export_add", mock.Mock())
result = self._driver.create_share_from_snapshot('context', share,
snapshot)
self.assertEqual('172.24.44.10:/shares/' + share['id'], result)
self.assertTrue(self.mock_log.warning.called)
ssh.HNASSSHBackend.vvol_create.assert_called_once_with(share['id'])
ssh.HNASSSHBackend.quota_add.assert_called_once_with(share['id'],
share['size'])
ssh.HNASSSHBackend.tree_clone.assert_called_once_with(
'/snapshots/' + snapshot['share_id'] + '/' + snapshot['id'],
'/shares/' + share['id'])
ssh.HNASSSHBackend.nfs_export_add.assert_called_once_with(share['id'])
def tree_clone(self, src_path, dest_path):
command = [
'tree-clone-job-submit', '-e', '-f', self.fs_name, src_path,
dest_path
]
try:
output, err = self._execute(command)
except processutils.ProcessExecutionError as e:
if ('Cannot find any clonable files in the source directory'
in e.stderr):
msg = _("Source path %s is empty.") % src_path
LOG.debug(msg)
raise exception.HNASNothingToCloneException(msg=msg)
else:
msg = _("Could not submit tree clone job to clone from %(src)s"
" to %(dest)s.") % {
'src': src_path,
'dest': dest_path
}
LOG.exception(msg)
raise exception.HNASBackendException(msg=msg)
job_submit = JobSubmit(output)
if job_submit.request_status == 'Request submitted successfully':
job_id = job_submit.job_id
job_status = None
progress = ''
job_rechecks = 0
starttime = time.time()
deadline = starttime + self.job_timeout
while (not job_status
or job_status.job_state != "Job was completed"):
command = ['tree-clone-job-status', job_id]
output, err = self._execute(command)
job_status = JobStatus(output)
if job_status.job_state == 'Job failed':
break
old_progress = progress
progress = job_status.data_bytes_processed
if old_progress == progress:
job_rechecks += 1
now = time.time()
if now > deadline:
command = ['tree-clone-job-abort', job_id]
self._execute(command)
LOG.error("Timeout in snapshot creation from "
"source path %s." % src_path)
msg = _("Share snapshot of source path %s "
"was not created.") % src_path
raise exception.HNASBackendException(msg=msg)
else:
time.sleep(job_rechecks**2)
else:
job_rechecks = 0
if (job_status.job_state, job_status.job_status,
job_status.directories_missing,
job_status.files_missing) == ("Job was completed",
"Success", '0', '0'):
LOG.debug(
"Snapshot of source path %(src)s to destination "
"path %(dest)s created successfully.", {
'src': src_path,
'dest': dest_path
})
else:
LOG.error('Error creating snapshot of source path %s.',
src_path)
msg = _('Snapshot of source path %s was not '
'created.') % src_path
raise exception.HNASBackendException(msg=msg)
