def reboot(adapter, instance, hard):
"""Reboots a VM.
:param adapter: A pypowervm.adapter.Adapter.
:param instance: The nova instance to reboot.
:param hard: Boolean True if hard reboot, False otherwise.
:raises: InstanceRebootFailure
"""
# Synchronize power-on and power-off ops on a given instance
with lockutils.lock('power_%s' % instance.uuid):
try:
entry = get_instance_wrapper(adapter, instance)
if entry.state != pvm_bp.LPARState.NOT_ACTIVATED:
if hard:
power.PowerOp.stop(
entry, opts=popts.PowerOffOpts().vsp_hard().restart())
else:
power.power_off_progressive(entry, restart=True)
else:
# pypowervm does NOT throw an exception if "already down".
# Any other exception from pypowervm is a legitimate failure;
# let it raise up.
# If we get here, pypowervm thinks the instance is down.
power.power_on(entry, None)
except pvm_exc.Error as e:
LOG.exception("PowerVM error during reboot.", instance=instance)
raise exc.InstanceRebootFailure(reason=six.text_type(e))
def reboot(adapter, instance, hard):
"""Reboots a VM.
:param adapter: A pypowervm.adapter.Adapter.
:param instance: The nova instance to reboot.
:param hard: Boolean True if hard reboot, False otherwise.
:raises: InstanceRebootFailure
"""
# Synchronize power-on and power-off ops on a given instance
with lockutils.lock('power_%s' % instance.uuid):
try:
entry = get_instance_wrapper(adapter, instance)
if entry.state != pvm_bp.LPARState.NOT_ACTIVATED:
if hard:
power.PowerOp.stop(
entry, opts=popts.PowerOffOpts().vsp_hard().restart())
else:
power.power_off_progressive(entry, restart=True)
else:
# pypowervm does NOT throw an exception if "already down".
# Any other exception from pypowervm is a legitimate failure;
# let it raise up.
# If we get here, pypowervm thinks the instance is down.
power.power_on(entry, None)
except pvm_exc.Error as e:
LOG.exception("PowerVM error during reboot.", instance=instance)
raise exc.InstanceRebootFailure(reason=six.text_type(e))
def power_off(adapter, instance, force_immediate=False, timeout=None):
"""Powers off a VM.
:param adapter: A pypowervm.adapter.Adapter.
:param instance: The nova instance to power off.
:param force_immediate: (Optional, Default False) Should it be immediately
shut down.
:param timeout: (Optional, Default None) How long to wait for the job
to complete. By default, is None which indicates it should
use the default from pypowervm's power off method.
:return: True if the instance was stopped. False if it was not in a
stoppable state.
:raises: InstancePowerOffFailure
"""
# Synchronize power-on and power-off ops on a given instance
with lockutils.lock('power_%s' % instance.uuid):
entry = get_instance_wrapper(adapter, instance)
# Get the current state and see if we can stop the VM
LOG.debug(
"Power off requested for instance in state %(state)s. Force "
"Immediate Flag: %(force)s.", {
'state': entry.state,
'force': force_immediate
},
instance=instance)
if entry.state in POWERVM_STOPABLE_STATE:
# Now stop the lpar
try:
LOG.debug("Power off executing.", instance=instance)
kwargs = {'timeout': timeout} if timeout else {}
if force_immediate:
power.PowerOp.stop(entry,
opts=popts.PowerOffOpts().vsp_hard(),
**kwargs)
else:
power.power_off_progressive(entry, **kwargs)
except Exception as e:
LOG.exception("Failed to power off instance.",
instance=instance)
raise exception.InstancePowerOffFailure(
reason=six.text_type(e))
return True
else:
LOG.debug("Power off not required.", instance=instance)
return False
def test_pwroff_progressive(self, mock_prog_internal):
# The internal _power_off_progressive is exercised via the existing
# tests for power_off. This test just ensures the public
# power_off_progressive calls it appropriately.
# Default kwargs
power.power_off_progressive('part')
mock_prog_internal.assert_called_once_with('part',
1800,
False,
ibmi_immed=False)
mock_prog_internal.reset_mock()
# Non-default kwargs
power.power_off_progressive('part',
restart=True,
ibmi_immed=True,
timeout=10)
mock_prog_internal.assert_called_once_with('part',
10,
True,
ibmi_immed=True)
def power_off(adapter, instance, force_immediate=False, timeout=None):
"""Powers off a VM.
:param adapter: A pypowervm.adapter.Adapter.
:param instance: The nova instance to power off.
:param timeout: (Optional, Default None) How long to wait for the job
to complete. By default, is None which indicates it should
use the default from pypowervm's power off method.
:param force_immediate: (Optional, Default False) Should it be immediately
shut down.
:raises: InstancePowerOffFailure
"""
# Synchronize power-on and power-off ops on a given instance
with lockutils.lock('power_%s' % instance.uuid):
entry = get_instance_wrapper(adapter, instance)
# Get the current state and see if we can stop the VM
LOG.debug("Powering off request for instance in state %(state)s. "
"Force Immediate Flag: %(force)s.",
{'state': entry.state, 'force': force_immediate},
instance=instance)
if entry.state in _POWERVM_STOPPABLE_STATE:
# Now stop the lpar
try:
LOG.debug("Power off executing.", instance=instance)
kwargs = {'timeout': timeout} if timeout else {}
if force_immediate:
power.PowerOp.stop(
entry, opts=popts.PowerOffOpts().vsp_hard(), **kwargs)
else:
power.power_off_progressive(entry, **kwargs)
except pvm_exc.Error as e:
LOG.exception("PowerVM error during power_off.",
instance=instance)
raise exc.InstancePowerOffFailure(reason=six.text_type(e))
else:
LOG.debug("Power off not required for instance %(inst)s.",
{'inst': instance.name})
