def _handle_host(self, host):
cmd = [
'ssh', host, 'service', 'openstack-nova-compute', 'stop']
LOG.info('StopComputeServiceHandler: handle host %s' % host)
if exceed_retry(host) or action_too_soon(host, 'stop_service', SERVICE_DELAY):
return
set_action_record(host, 'stop_service')
result = utils.execute(*cmd)
LOG.info('handle host %s result: %s' % (host, result))
def _handle_host(self, host):
cmd = [
'ssh', host, 'reboot']
LOG.info('RebootComputeNodeHandler: handle host %s' % host)
if exceed_retry(host) or action_too_soon(host, 'reboot_node', NODE_DELAY):
return
set_action_record(host, 'reboot_node')
result = utils.execute(*cmd)
LOG.info('handle host %s result: %s' % (host, result))
def _exec_ipmitool(node_info, command, use_timing=False):
"""Execute the ipmitool command.
This uses the lanplus interface to communicate with the BMC device driver.
:param node_info: the ipmitool parameters for accessing a node.
:param command: the ipmitool command to be executed.
:returns: (stdout, stderr) from executing the command.
:raises: PasswordFileFailedToCreate from creating or writing to the
temporary file.
:raises: processutils.ProcessExecutionError from executing the command.
"""
args = [
'ipmitool', '-I', 'lanplus', '-H', node_info['address'], '-L',
node_info.get('priv_level', VALID_PRIV_LEVELS[0])
]
if node_info['username']:
args.append('-U')
args.append(node_info['username'])
if use_timing and _is_option_supported('timing'):
num_tries = max(
CONF.ipmi.retry_timeout // CONF.ipmi.min_command_interval, 1)
args.append('-R')
args.append(str(num_tries))
args.append('-N')
args.append(str(CONF.ipmi.min_command_interval))
with _make_password_file(node_info['password'] or '\x00') as pw_file:
args.append('-f')
args.append(pw_file)
args.extend(command.split(' '))
time_till_next_poll = CONF.ipmi.min_command_interval - (
time.time() - LAST_CMD_TIME.get(node_info['address'], 0))
if time_till_next_poll > 0:
time.sleep(time_till_next_poll)
try:
try:
out, err = utils.execute(*args)
except processutils.ProcessExecutionError as e:
LOG.error('IPMI Error: %s', e)
return ('', str(e))
finally:
LAST_CMD_TIME[node_info['address']] = time.time()
return (out, err)
def _check_option_support(options):
"""Checks if the specific ipmitool options are supported on host.
This method updates the module-level variables indicating whether
an option is supported so that it is accessible by any driver
interface class in this module. It is intended to be called from
the __init__ method of such classes only.
:param options: list of ipmitool options to be checked
:raises: OSError
"""
for opt in options:
if _is_option_supported(opt) is None:
try:
cmd = ipmitool_command_options[opt]
out, err = utils.execute(*cmd)
except processutils.ProcessExecutionError:
_is_option_supported(opt, False)
else:
_is_option_supported(opt, True)
return
def _handle_host(self, host):
cmd = [
'ceph', 'osd', 'set', 'noout']
LOG.info('CephNoOutHandler: handle host %s' % host)
result = utils.execute(*cmd)
LOG.info('handle host %s result: %s' % (host, result))