def config_detach(self, fcp, assigner_id, target_wwpns, target_lun,
multipath, os_version, mount_point, connections,
need_restart=True):
linuxdist = self._dist_manager.get_linux_dist(os_version)()
self.configure_volume_detach(fcp, assigner_id, target_wwpns,
target_lun, multipath, os_version,
mount_point, linuxdist, connections)
iucv_is_ready = self.check_IUCV_is_ready(assigner_id)
if need_restart and iucv_is_ready:
# active mode should restart zvmguestconfigure to run reader file
active_cmds = linuxdist.create_active_net_interf_cmd()
ret = self._smtclient.execute_cmd_direct(assigner_id, active_cmds)
LOG.debug('detach scripts return values: %s' % ret)
if ret['rc'] != 0:
get_status_cmd = 'systemctl status zvmguestconfigure.service'
exit_code = self._get_status_code_from_systemctl(
assigner_id, get_status_cmd)
if exit_code == 1:
errmsg = ('detach scripts execution failed because the '
'device %s in the target virtual machine %s '
'is in use.' % (fcp, assigner_id))
else:
errmsg = ('detach scripts execution on fcp %s in the'
'target virtual machine %s failed '
'with unknow reason, exit code is: %s'
% (fcp, assigner_id, exit_code))
LOG.error(errmsg)
raise exception.SDKVolumeOperationError(rs=9,
userid=assigner_id,
msg=errmsg)
def check_IUCV_is_ready(self, assigner_id):
# Make sure the iucv channel is ready for communication with VM
ready = True
try:
self._smtclient.execute_cmd(assigner_id, 'pwd')
except exception.SDKSMTRequestFailed as err:
if 'UNAUTHORIZED_ERROR' in err.format_message():
# If unauthorized, we must raise exception
errmsg = err.results['response'][0]
msg = ('IUCV failed to get authorization from VM %(vm)s with '
'error %(err)s' % {'vm': assigner_id,
'err': errmsg})
LOG.error(msg)
raise exception.SDKVolumeOperationError(rs=6,
userid=assigner_id,
msg=errmsg)
else:
# In such case, we can continue without raising exception
ready = False
msg = ('Failed to connect VM %(vm)s with error '
'%(err)s, assume it is OFF status '
'and continue' % {'vm': assigner_id,
'err': err.results['response'][0]})
LOG.debug(msg)
return ready
def config_attach(self, fcp_list, assigner_id, target_wwpns, target_lun,
multipath, os_version, mount_point):
LOG.info("Begin to configure volume (WWPN:%s, LUN:%s) on the "
"target machine %s with FCP devices "
"%s." % (target_wwpns, target_lun, assigner_id, fcp_list))
linuxdist = self._dist_manager.get_linux_dist(os_version)()
self.configure_volume_attach(fcp_list, assigner_id, target_wwpns,
target_lun, multipath, os_version,
mount_point, linuxdist)
iucv_is_ready = self.check_IUCV_is_ready(assigner_id)
if iucv_is_ready:
# active mode should restart zvmguestconfigure to run reader file
active_cmds = linuxdist.create_active_net_interf_cmd()
ret = self._smtclient.execute_cmd_direct(assigner_id, active_cmds)
LOG.debug('attach scripts return values: %s' % ret)
if ret['rc'] != 0:
# get exit code by systemctl status
get_status_cmd = 'systemctl status zvmguestconfigure.service'
exit_code = self._get_status_code_from_systemctl(
assigner_id, get_status_cmd)
if exit_code == 1:
errmsg = ('attach script execution failed because the '
'volume (WWPN:%s, LUN:%s) did not show up in '
'the target machine %s , please check its '
'connections.' %
(target_wwpns, target_lun, assigner_id))
else:
errmsg = (
'attach script execution in the target machine '
'%s for volume (WWPN:%s, LUN:%s) '
'failed with unknown reason, exit code is: %s.' %
(assigner_id, target_wwpns, target_lun, exit_code))
LOG.error(errmsg)
raise exception.SDKVolumeOperationError(rs=8,
userid=assigner_id,
msg=errmsg)
LOG.info("Configuration of volume (WWPN:%s, LUN:%s) on the "
"target machine %s with FCP devices "
"%s is done." %
(target_wwpns, target_lun, assigner_id, fcp_list))
