def _find_domain_by_mac_address(self, mac_address):
for domain in self.conn.listAllDomains():
if mac_address in domain.XMLDesc():
return domain
raise error.PowerManagementError(
'Domain with MAC address %s not found!' % mac_address)
def _find_bmc_by_host(self, host):
if host.mac in self.mac_to_bmc:
return self.mac_to_bmc[host.mac]
if host.fqdn in self.fqdn_to_bmc:
return self.fqdn_to_bmc[host.fqdn]
raise error.PowerManagementError(
'BMC for {!r} not found!'.format(host))
def _find_domain_by_host(self, host):
for domain in self.conn.listAllDomains():
if host.libvirt_name and host.libvirt_name == domain.name():
return domain
if host.mac and host.mac in domain.XMLDesc():
return domain
raise error.PowerManagementError(
'Domain not found for host %s.' % host)
def run(target, mac_addresses_list):
tw = ThreadsWrapper(target)
for mac_address in mac_addresses_list:
tw.start_thread(mac_address=mac_address)
tw.join_threads()
if tw.errors:
raise error.PowerManagementError(
'There are some errors when working the driver. '
'Please, check logs for more details.')
def _map_hosts_to_driver(self, hosts):
driver_host_pairs = []
for host in hosts:
for power_driver in self.power_drivers:
if power_driver.supports(host):
driver_host_pairs.append((power_driver, host))
break
else:
raise error.PowerManagementError(
"No supported driver found for host {}".format(host))
return driver_host_pairs
def _run_command(self, cmd, hosts, **kwargs):
driver_host_pairs = self._map_hosts_to_driver(hosts)
tw = utils.ThreadsWrapper()
for driver, host in driver_host_pairs:
kwargs['host'] = host
fn = getattr(driver, cmd)
tw.start_thread(fn, **kwargs)
tw.join_threads()
if tw.errors:
raise error.PowerManagementError(
'There are some errors when working the driver. '
'Please, check logs for more details.')
def _run_set_power_cmd(self, host, cmd, expected_state=None):
bmc = self._find_bmc_by_host(host)
try:
ipmicmd = ipmi_command.Command(bmc=bmc['address'],
userid=bmc['username'],
password=bmc['password'])
ret = ipmicmd.set_power(cmd, wait=True)
except pyghmi_exception.IpmiException:
msg = 'IPMI cmd {!r} failed on bmc {!r}, {!r}'.format(
cmd, bmc['address'], host)
LOG.error(msg, exc_info=True)
raise
LOG.debug('IPMI response: {}'.format(ret))
if ret.get('powerstate') != expected_state or 'error' in ret:
msg = ('Failed to change power state to {!r} on bmc {!r}, '
'{!r}'.format(expected_state, bmc['address'], host))
raise error.PowerManagementError(msg)
def _find_bmc_by_mac_address(self, mac_address):
if mac_address not in self.mac_to_bmc:
raise error.PowerManagementError('BMC for Node(%s) not found!' %
mac_address)
return self.mac_to_bmc[mac_address]