def _wait_for_deploy():
"""Called at an interval until the deployment completes."""
try:
row = db.bm_node_get(context, node['id'])
if instance['uuid'] != row.get('instance_uuid'):
locals['error'] = _("Node associated with another instance"
" while waiting for deploy of %s")
raise utils.LoopingCallDone()
status = row.get('task_state')
if (status == baremetal_states.DEPLOYING
and locals['started'] == False):
LOG.info(
_("PXE deploy started for instance %s") %
instance['uuid'])
locals['started'] = True
elif status in (baremetal_states.DEPLOYDONE,
baremetal_states.ACTIVE):
LOG.info(
_("PXE deploy completed for instance %s") %
instance['uuid'])
raise utils.LoopingCallDone()
elif status == baremetal_states.DEPLOYFAIL:
locals['error'] = _("PXE deploy failed for instance %s")
except exception.NodeNotFound:
locals['error'] = _("Baremetal node deleted while waiting "
"for deployment of instance %s")
if (CONF.baremetal.pxe_deploy_timeout
and timeutils.utcnow() > expiration):
locals['error'] = _("Timeout reached while waiting for "
"PXE deploy of instance %s")
if locals['error']:
raise utils.LoopingCallDone()
def _wait_for_power_off():
"""Called at an interval until the node's power is off."""
if self._is_power("off"):
self.state = baremetal_states.DELETED
raise utils.LoopingCallDone()
if self.retries > CONF.baremetal.ipmi_power_retry:
self.state = baremetal_states.ERROR
raise utils.LoopingCallDone()
try:
self.retries += 1
self._exec_ipmitool("power off")
except Exception:
LOG.exception(_("IPMI power off failed"))
def _wait_for_device_discovery(aoedevpath, mount_device):
tries = self.tries
if os.path.exists(aoedevpath):
raise utils.LoopingCallDone()
if self.tries >= CONF.num_aoe_discover_tries:
raise exception.NovaException(_("AoE device not found at %s") %
(aoedevpath))
LOG.warn(_("AoE volume not yet found at: %(aoedevpath)s. "
"Try number: %(tries)s") %
locals())
self._aoe_discover()
self.tries = self.tries + 1
def _wait_for_remove(device, tries):
tries = tries + 1
LOG.debug(
_("Trying (%(tries)s) to remove device %(device)s") % {
'tries': tries,
'device': device["device"]
})
path = "/sys/bus/scsi/drivers/sd/%s:%s:%s:%s/delete"
echo_scsi_command(
path %
(device["host"], device["channel"], device["id"], device["lun"]), "1")
devices = get_device_list()
if device["device"] not in devices:
raise utils.LoopingCallDone()
def _poll_vhds():
attempts['counter'] += 1
if attempts['counter'] > max_attempts:
counter = attempts['counter']
msg = (_("VHD coalesce attempts exceeded (%(counter)d >"
" %(max_attempts)d), giving up...") % locals())
raise exception.Error(msg)
VMHelper.scan_sr(session, instance_id, sr_ref)
parent_uuid = get_vhd_parent_uuid(session, vdi_ref)
if original_parent_uuid and (parent_uuid != original_parent_uuid):
LOG.debug(_("Parent %(parent_uuid)s doesn't match original parent"
" %(original_parent_uuid)s, waiting for coalesce...")
% locals())
else:
# Breakout of the loop (normally) and return the parent_uuid
raise utils.LoopingCallDone(parent_uuid)
def _wait_for_device_discovery(host_devices, mount_device):
tries = self.tries
for device in host_devices:
LOG.debug(_("Looking for Fibre Channel dev %(device)s")
% locals())
if os.path.exists(device):
self.host_device = device
# get the /dev/sdX device. This is used
# to find the multipath device.
self.device_name = os.path.realpath(device)
raise utils.LoopingCallDone()
if self.tries >= CONF.num_iscsi_scan_tries:
msg = _("Fibre Channel device not found.")
raise exception.NovaException(msg)
LOG.warn(_("Fibre volume not yet found at: %(mount_device)s. "
"Will rescan & retry. Try number: %(tries)s") %
locals())
linuxscsi.rescan_hosts(hbas)
self.tries = self.tries + 1
