def _test__do_next_deploy_step_last_step_done(self, mock_execute,
mock_console,
console_enabled=False,
console_error=False):
# Resume where last_step is the last deploy step that was executed
driver_internal_info = {'deploy_step_index': 1,
'deploy_steps': self.deploy_steps}
self._start_service()
node = obj_utils.create_test_node(
self.context, driver='fake-hardware',
provision_state=states.DEPLOYWAIT,
target_provision_state=states.ACTIVE,
driver_internal_info=driver_internal_info,
deploy_step=self.deploy_steps[1],
console_enabled=console_enabled)
mock_execute.return_value = None
if console_error:
mock_console.side_effect = exception.ConsoleError()
task = task_manager.TaskManager(self.context, node.uuid)
task.process_event('resume')
deployments.do_next_deploy_step(task, None, self.service.conductor.id)
node.refresh()
# Deploying should be complete without calling additional steps
self.assertEqual(states.ACTIVE, node.provision_state)
self.assertEqual(states.NOSTATE, node.target_provision_state)
self.assertEqual({}, node.deploy_step)
self.assertNotIn('deploy_step_index', node.driver_internal_info)
self.assertIsNone(node.driver_internal_info['deploy_steps'])
self.assertFalse(mock_execute.called)
if console_enabled:
mock_console.assert_called_once_with(mock.ANY, task)
else:
self.assertFalse(mock_console.called)
def _stop_console(node_uuid):
"""Close the serial console for a node
Kills the console process and deletes the PID file.
:param node_uuid: the UUID of the node
:raises: NoConsolePid if no console PID was found
:raises: ConsoleError if unable to stop the console process
"""
try:
console_pid = _get_console_pid(node_uuid)
os.kill(console_pid, signal.SIGTERM)
except OSError as exc:
if exc.errno != errno.ESRCH:
msg = (_("Could not stop the console for node '%(node)s'. "
"Reason: %(err)s.") % {
'node': node_uuid,
'err': exc
})
raise exception.ConsoleError(message=msg)
else:
LOG.warning(
_LW("Console process for node %s is not running "
"but pid file exists."), node_uuid)
finally:
ironic_utils.unlink_without_raise(_get_console_pid_file(node_uuid))
def test_start_console_fail_nodir(self, mock_exec):
mock_exec.side_effect = exception.ConsoleError()
with task_manager.acquire(self.context, self.node.uuid) as task:
self.assertRaises(exception.ConsoleError,
self.driver.console.start_console, task)
mock_exec.assert_called_once_with(self.node.uuid, mock.ANY, mock.ANY)
def test_stop_console_fail(self, mock_stop):
mock_stop.side_effect = iter([exception.ConsoleError()])
with task_manager.acquire(self.context, self.node.uuid) as task:
self.assertRaises(exception.ConsoleError,
self.driver.console.stop_console, task)
mock_stop.assert_called_once_with(self.node.uuid)
def test_start_socat_console_fail_nopiddir(self, mock_stop,
mock_dir_exists, mock_popen):
mock_dir_exists.side_effect = exception.ConsoleError(message='fail')
self.assertRaises(exception.ConsoleError,
console_utils.start_socat_console, self.info['uuid'],
self.info['port'], 'ls&')
mock_stop.assert_called_once_with(self.info['uuid'])
mock_dir_exists.assert_called_once_with()
self.assertEqual(0, mock_popen.call_count)
def test_start_shellinabox_console_fail_nopiddir(self, mock_stop,
mock_dir_exists,
mock_popen):
mock_dir_exists.side_effect = exception.ConsoleError(message='fail')
mock_popen.return_value.poll.return_value = 0
self.assertRaises(exception.ConsoleError,
console_utils.start_shellinabox_console,
self.info['uuid'], self.info['port'], 'ls&')
mock_stop.assert_called_once_with(self.info['uuid'])
mock_dir_exists.assert_called_once_with()
self.assertFalse(mock_popen.called)
def _stop_console(node_uuid):
"""Close the serial console for a node
Kills the console process and deletes the PID file.
:param node_uuid: the UUID of the node
:raises: NoConsolePid if no console PID was found
:raises: ConsoleError if unable to stop the console process
"""
try:
console_pid = _get_console_pid(node_uuid)
os.kill(console_pid, signal.SIGTERM)
# make sure the process gets killed hard if required
attempt = 0
max_attempts = CONF.console.kill_timeout // 0.2
while attempt < max_attempts:
if psutil.pid_exists(console_pid):
if attempt == max_attempts - 1:
os.kill(console_pid, signal.SIGKILL)
LOG.debug(
"Waiting for the console process with PID %(pid)s "
"to exit. Node: %(node)s.", {
'pid': console_pid,
'node': node_uuid
})
time.sleep(0.2)
attempt += 1
else:
break
except OSError as exc:
if exc.errno != errno.ESRCH:
msg = (_("Could not stop the console for node '%(node)s'. "
"Reason: %(err)s.") % {
'node': node_uuid,
'err': exc
})
raise exception.ConsoleError(message=msg)
else:
LOG.warning(
"Console process for node %s is not running "
"but pid file exists.", node_uuid)
finally:
ironic_utils.unlink_without_raise(_get_console_pid_file(node_uuid))
def stop_shellinabox_console(node_uuid):
"""Close the serial console for a node.
:param node_uuid: the UUID of the node
:raises: ConsoleError if unable to stop the console process
"""
try:
_stop_console(node_uuid)
except exception.NoConsolePid:
LOG.warning(_LW("No console pid found for node %s while trying to "
"stop shellinabox console."), node_uuid)
except processutils.ProcessExecutionError as exc:
msg = (_("Could not stop the console for node '%(node)s'. "
"Reason: %(err)s.") % {'node': node_uuid, 'err': exc})
raise exception.ConsoleError(message=msg)
def _ensure_console_pid_dir_exists():
"""Ensure that the console PID directory exists
Checks that the directory for the console PID file exists
and if not, creates it.
:raises: ConsoleError if the directory doesn't exist and cannot be created
"""
dir = _get_console_pid_dir()
if not os.path.exists(dir):
try:
os.makedirs(dir)
except OSError as exc:
msg = (_("Cannot create directory '%(path)s' for console PID file."
" Reason: %(reason)s.") % {'path': dir, 'reason': exc})
LOG.error(msg)
raise exception.ConsoleError(message=msg)
def stop_ics_console(node_uuid):
"""Close the serial console for a node (ironic console server).
:param node_uuid: the UUID of the node
:raises: ConsoleError if unable to disable the console service
"""
try:
_send_signal(node_uuid, 'USR2')
except exception.NoConsolePid:
LOG.warning(
_LW("No console pid found for node %s while trying to "
"disable the console service."), node_uuid)
except processutils.ProcessExecutionError as exc:
msg = (_("Could not disable the console service for node "
"'%(node)s'. Reason: %(err)s.") % {
'node': node_uuid,
'err': exc
})
raise exception.ConsoleError(message=msg)
def stop_ics_console_log(node_uuid):
"""Stop console logging of a node with ironic console server.
:param node_uuid: the UUID of the node
:raises: ConsoleError if unable to stop the console process
"""
try:
_stop_console(node_uuid)
except exception.NoConsolePid:
LOG.warning(
_LW("No console pid found for node %s while trying to "
"stop the console server."), node_uuid)
except processutils.ProcessExecutionError as exc:
msg = (_("Could not stop the console for node '%(node)s'. "
"Reason: %(err)s.") % {
'node': node_uuid,
'err': exc
})
raise exception.ConsoleError(message=msg)
def clear_ics_console_log(node_uuid):
"""Clear the content of a console log (ironic console server).
:param node_uuid: the uuid for the node.
:raises: ConsoleError if unable to clear the console log
"""
try:
ironic_utils.unlink_without_raise(_get_console_log_file(node_uuid))
_send_signal(node_uuid, 'HUP')
except exception.NoConsolePid:
LOG.warning(
_LW("No console pid found for node %s while trying to "
"enable the console service."), node_uuid)
except processutils.ProcessExecutionError as exc:
msg = (_("Could not enable the console service for node "
"'%(node)s'. Reason: %(err)s.") % {
'node': node_uuid,
'err': exc
})
raise exception.ConsoleError(message=msg)
