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:
power.power_off(entry,
None,
force_immediate=hard,
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 test_pwroff_soft_standard_fail(self):
"""Soft PowerOff flow, non-IBMi, with Job failure."""
# When OS shutdown fails (non-timeout), we try VSP normal first.
part = self.mock_partition()
self.run_job.side_effect = (
# OS immediate (non-IBMi always adds immediate).
# Make sure restart percolates through, bogus params ignored.
self.validate_run(
part,
ex_parms={
'operation=osshutdown', 'immediate=true', 'restart=true'
},
ex_timeout=300,
result=self.efail(),
# VSP normal, timeout reset to default
nxt=self.validate_run(
part,
ex_parms={'operation=shutdown', 'restart=true'},
result=self.efail(),
# VSP hard
nxt=self.validate_run(part,
ex_parms={
'operation=shutdown',
'immediate=true', 'restart=true'
}))))
power.power_off(part,
None,
timeout=300,
restart=True,
add_parms={'foo': 'bar'})
self.assertEqual(3, self.run_job.call_count)
def power_off(adapter, instance, host_uuid, entry=None, add_parms=None,
force_immediate=False):
if entry is None:
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 %(inst)s which is in "
"state %(state)s. Force Immediate Flag: %(force)s.",
{'inst': instance.name, 'state': entry.state,
'force': force_immediate})
if entry.state in POWERVM_STOPABLE_STATE:
# Now stop the lpar
try:
LOG.debug("Power off executing for instance %(inst)s.",
{'inst': instance.name})
power.power_off(entry, host_uuid, force_immediate=force_immediate,
add_parms=add_parms)
except Exception as e:
LOG.exception(e)
raise exception.InstancePowerOffFailure(reason=six.text_type(e))
return True
else:
LOG.debug("Power off not required for instance %(inst)s.",
{'inst': instance.name})
return False
def test_pwroff_already_off(self):
"""PowerOff when the system is already powered off."""
part = self.mock_partition()
for prefix in power._ALREADY_POWERED_OFF_ERRS:
self.run_job.side_effect = self.validate_run(
part,
ex_parms={'operation=osshutdown', 'immediate=true'},
result=self.efail(error="Foo %s bar" % prefix))
power.power_off(part, None)
self.assertEqual(1, self.run_job.call_count)
self.run_job.reset_mock()
# If restart was specified, this is a failure. (Force, to KISS)
self.run_job.side_effect = self.validate_run(
part,
ex_parms={
'operation=shutdown', 'immediate=true', 'restart=true'
},
result=self.efail(error="Foo %s bar" % prefix))
self.assertRaises(pexc.VMPowerOffFailure,
power.power_off,
part,
None,
restart=True,
force_immediate=power.Force.TRUE)
self.assertEqual(1, self.run_job.call_count)
self.run_job.reset_mock()
def revert(self, lpar_wrap, result, flow_failures):
LOG.info(_LI('Powering off instance: %s'), self.instance.name)
if isinstance(result, task_fail.Failure):
# The power on itself failed...can't power off.
LOG.debug('Power on failed. Not performing power off.')
return
power.power_off(lpar_wrap, self.host_uuid, force_immediate=True)
def revert(self, lpar_wrap, result, flow_failures):
LOG.info(_LI('Powering off instance: %s'), self.instance.name)
if isinstance(result, task_fail.Failure):
# The power on itself failed...can't power off.
LOG.debug('Power on failed. Not performing power off.')
return
power.power_off(lpar_wrap, self.host_uuid, force_immediate=True)
def power_off(adapter,
instance,
opts=None,
force_immediate=False,
timeout=None):
"""Powers off a VM.
:param adapter: A pypowervm.adapter.Adapter.
:param instance: The nova instance to power off.
:param opts: (Optional) Additional parameters to the pypowervm power_off
method. See that method's docstring for details.
: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(
"Powering off request for instance %(inst)s which is in "
"state %(state)s. Force Immediate Flag: %(force)s.", {
'inst': instance.name,
'state': entry.state,
'force': force_immediate
})
if entry.state in POWERVM_STOPABLE_STATE:
# Now stop the lpar
try:
LOG.debug("Power off executing for instance %(inst)s.",
{'inst': instance.name})
kwargs = {'timeout': timeout} if timeout else {}
force_flag = (power.Force.TRUE
if force_immediate else power.Force.ON_FAILURE)
power.power_off(entry,
None,
force_immediate=force_flag,
add_parms=opts,
**kwargs)
except Exception as e:
LOG.exception(e)
raise exception.InstancePowerOffFailure(
reason=six.text_type(e))
return True
else:
LOG.debug("Power off not required for instance %(inst)s.",
{'inst': instance.name})
return False
def test_pwroff_soft_ibmi_norm(self):
"""Soft PowerOff flow, IBMi, normal (no immediate)."""
part = self.mock_partition(env=pvm_bp.LPARType.OS400)
# This works the same whether intervening Job exceptions are Timeout or
# Failure.
for exc in (self.etimeout(), self.efail()):
self.run_job.side_effect = (
# OS normal
self.validate_run(
part,
ex_parms={'operation=osshutdown'},
ex_timeout=100,
result=exc,
# OS immediate (timeout is defaulted from this point)
nxt=self.validate_run(
part,
ex_parms={'operation=osshutdown', 'immediate=true'},
result=exc,
# VSP normal
nxt=self.validate_run(
part,
ex_parms={'operation=shutdown'},
result=exc,
# VSP hard (default timeout)
nxt=self.validate_run(part,
ex_parms={
'operation=shutdown',
'immediate=true'
})))))
# Run it
power.power_off(part, None, timeout=100)
self.assertEqual(4, self.run_job.call_count)
self.run_job.reset_mock()
# If one of the interim calls succeeds, the operation succeeds.
self.run_job.side_effect = (
# OS normal
self.validate_run(
part,
ex_parms={'operation=osshutdown'},
result=self.efail(),
# OS immediate (timeout is defaulted from this point)
nxt=self.validate_run(
part,
ex_parms={'operation=osshutdown', 'immediate=true'},
result=self.etimeout(),
# VSP normal - succeeds
nxt=self.validate_run(
part,
ex_parms={'operation=shutdown'},
# Not reached
nxt=self.fail))))
power.power_off(part, None)
self.assertEqual(3, self.run_job.call_count)
def power_off(adapter, instance, host_uuid, entry=None, add_parms=None):
if entry is None:
entry = get_instance_wrapper(adapter, instance, host_uuid)
# Get the current state and see if we can stop the VM
if entry.state in POWERVM_STOPABLE_STATE:
# Now stop the lpar
power.power_off(entry, host_uuid, add_parms=add_parms)
return True
return False
def power_off(adapter, instance, host_uuid, entry=None, add_parms=None):
if entry is None:
entry = get_instance_wrapper(adapter, instance, host_uuid)
# Get the current state and see if we can stop the VM
if entry.state in POWERVM_STOPABLE_STATE:
# Now stop the lpar
power.power_off(entry, host_uuid, add_parms=add_parms)
return True
return False
def test_pwroff_force_immed(self):
"""Test power_off with force_immediate=Force.TRUE."""
# PowerOff with force-immediate works the same regardless of partition
# type, RMC state, or management partition status.
for env in (pvm_bp.LPARType.OS400, pvm_bp.LPARType.AIXLINUX,
pvm_bp.LPARType.VIOS):
for rmc in (pvm_bp.RMCState.ACTIVE, pvm_bp.RMCState.BUSY,
pvm_bp.RMCState.INACTIVE):
for mgmt in (True, False):
part = self.mock_partition(env=env,
rmc_state=rmc,
mgmt=mgmt)
self.run_job.side_effect = self.validate_run(
part,
ex_parms={'operation=shutdown', 'immediate=true'})
power.power_off(part,
None,
force_immediate=power.Force.TRUE)
self.assertEqual(1, self.run_job.call_count)
self.run_job.reset_mock()
# Restart, timeout, additional params ignored
part = self.mock_partition()
self.run_job.side_effect = self.validate_run(
part,
ex_parms={'operation=shutdown', 'immediate=true', 'restart=true'},
ex_timeout=10,
result=self.etimeout())
self.assertRaises(pexc.VMPowerOffTimeout,
power.power_off,
part,
None,
force_immediate=power.Force.TRUE,
restart=True,
timeout=10,
add_parms=dict(one=1))
self.assertEqual(1, self.run_job.call_count)
self.run_job.reset_mock()
# Failure
self.run_job.side_effect = self.validate_run(
part,
ex_parms={'operation=shutdown', 'immediate=true'},
result=self.efail())
self.assertRaises(pexc.VMPowerOffFailure,
power.power_off,
part,
None,
force_immediate=power.Force.TRUE)
self.assertEqual(1, self.run_job.call_count)
def test_pwroff_new_opts(self):
"""Test power_off where add_parms is PowerOffOpts (not legacy)."""
part = self.mock_partition()
# VSP hard
self.run_job.side_effect = self.validate_run(
part, ex_parms={'operation=shutdown', 'immediate=true'})
power.power_off(part, None, add_parms=popts.PowerOffOpts().vsp_hard())
self.assertEqual(1, self.run_job.call_count)
self.run_job.reset_mock()
# VSP normal
self.run_job.side_effect = self.validate_run(
part, ex_parms={'operation=shutdown'})
power.power_off(part,
None,
add_parms=popts.PowerOffOpts().vsp_normal())
self.run_job.reset_mock()
# OS immediate
self.run_job.side_effect = self.validate_run(
part, ex_parms={'operation=osshutdown', 'immediate=true'})
power.power_off(part,
None,
add_parms=popts.PowerOffOpts().os_immediate())
self.run_job.reset_mock()
# OS normal
self.run_job.side_effect = self.validate_run(
part, ex_parms={'operation=osshutdown'})
power.power_off(part, None, add_parms=popts.PowerOffOpts().os_normal())
def power_off(adapter, instance, host_uuid, entry=None, add_parms=None):
if entry is None:
entry = get_instance_wrapper(adapter, instance, host_uuid)
# Get the current state and see if we can stop the VM
if entry.state in POWERVM_STOPABLE_STATE:
# Now stop the lpar
try:
power.power_off(entry, host_uuid, add_parms=add_parms)
except Exception as e:
LOG.exception(e)
raise exception.InstancePowerOffFailure(reason=six.text_type(e))
return True
return False
def power_off(adapter, instance, host_uuid, entry=None, add_parms=None,
force_immediate=False):
if entry is None:
entry = get_instance_wrapper(adapter, instance, host_uuid)
# Get the current state and see if we can stop the VM
if entry.state in POWERVM_STOPABLE_STATE:
# Now stop the lpar
try:
power.power_off(entry, host_uuid, force_immediate=force_immediate,
add_parms=add_parms)
except Exception as e:
LOG.exception(e)
raise exception.InstancePowerOffFailure(reason=six.text_type(e))
return True
return False
def test_pwroff_soft_standard_timeout(self):
"""Soft PowerOff flow, non-IBMi, with timeout."""
# When OS shutdown times out, go straight to VSP hard.
part = self.mock_partition()
self.run_job.side_effect = (
# OS normal. Non-IBMi always adds immediate.
self.validate_run(
part,
ex_parms={'operation=osshutdown', 'immediate=true'},
ex_timeout=100,
result=self.etimeout(),
# VSP hard
nxt=self.validate_run(
part, ex_parms={'operation=shutdown', 'immediate=true'})))
# Run it
power.power_off(part, None, timeout=100)
self.assertEqual(2, self.run_job.call_count)
self.run_job.reset_mock()
# Same if invoked with immediate. But since we're running again, add
# restart and another param; make sure restart comes through but the
# bogus one is ignored.
self.run_job.side_effect = (
# OS immediate (non-IBMi always adds immediate).
self.validate_run(
part,
ex_parms={
'operation=osshutdown', 'immediate=true', 'restart=true'
},
ex_timeout=200,
result=self.etimeout(),
# VSP hard
nxt=self.validate_run(part,
ex_parms={
'operation=shutdown',
'immediate=true', 'restart=true'
})))
# Run it
power.power_off(part,
None,
timeout=200,
restart=True,
add_parms={'foo': 'bar'})
self.assertEqual(2, self.run_job.call_count)
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:
power.power_off(entry, None, force_immediate=hard,
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 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 %(inst)s which is in "
"state %(state)s. Force Immediate Flag: %(force)s.",
{'inst': instance.name, 'state': entry.state,
'force': force_immediate})
if entry.state in _POWERVM_STOPPABLE_STATE:
# Now stop the lpar
try:
LOG.debug("Power off executing for instance %(inst)s.",
{'inst': instance.name})
kwargs = {'timeout': timeout} if timeout else {}
force = (power.Force.TRUE if force_immediate
else power.Force.ON_FAILURE)
power.power_off(entry, None, force_immediate=force, **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})
