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#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""
iRMC Power Driver using the Base Server Profile
"""
from oslo_config import cfg
from oslo_utils import importutils
from ironic.common import exception
from ironic.common.i18n import _
from ironic.common.i18n import _LE
from ironic.common import states
from ironic.conductor import task_manager
from ironic.drivers import base
from ironic.drivers.modules import ipmitool
from ironic.drivers.modules.irmc import common as irmc_common
from ironic.openstack.common import log as logging
scci = importutils.try_import('scciclient.irmc.scci')
CONF = cfg.CONF
LOG = logging.getLogger(__name__)
if scci:
STATES_MAP = {states.POWER_OFF: scci.POWER_OFF,
states.POWER_ON: scci.POWER_ON,
states.REBOOT: scci.POWER_RESET}
def _set_power_state(task, target_state):
"""Turns the server power on/off or do a reboot.
:param task: a TaskManager instance containing the node to act on.
:param target_state: target state of the node.
:raises: InvalidParameterValue if an invalid power state was specified.
:raises: MissingParameterValue if some mandatory information
is missing on the node
:raises: IRMCOperationError on an error from SCCI
"""
node = task.node
irmc_client = irmc_common.get_irmc_client(node)
try:
irmc_client(STATES_MAP[target_state])
except KeyError:
msg = _("_set_power_state called with invalid power state "
"'%s'") % target_state
raise exception.InvalidParameterValue(msg)
except scci.SCCIClientError as irmc_exception:
LOG.error(_LE("iRMC set_power_state failed to set state to %(tstate)s "
" for node %(node_id)s with error: %(error)s"),
{'tstate': target_state, 'node_id': node.uuid,
'error': irmc_exception})
operation = _('iRMC set_power_state')
raise exception.IRMCOperationError(operation=operation,
error=irmc_exception)
class IRMCPower(base.PowerInterface):
"""Interface for power-related actions."""
def get_properties(self):
"""Return the properties of the interface.
:returns: dictionary of <property name>:<property description> entries.
"""
return irmc_common.COMMON_PROPERTIES
def validate(self, task):
"""Validate the driver-specific Node power info.
This method validates whether the 'driver_info' property of the
supplied node contains the required information for this driver to
manage the power state of the node.
:param task: a TaskManager instance containing the node to act on.
:raises: InvalidParameterValue if required driver_info attribute
is missing or invalid on the node.
:raises: MissingParameterValue if a required parameter is missing.
"""
irmc_common.parse_driver_info(task.node)
def get_power_state(self, task):
"""Return the power state of the task's node.
:param task: a TaskManager instance containing the node to act on.
:returns: a power state. One of :mod:`ironic.common.states`.
:raises: InvalidParameterValue if required ipmi parameters are missing.
:raises: MissingParameterValue if a required parameter is missing.
:raises: IPMIFailure on an error from ipmitool (from _power_status
call).
"""
irmc_common.update_ipmi_properties(task)
ipmi_power = ipmitool.IPMIPower()
return ipmi_power.get_power_state(task)
@task_manager.require_exclusive_lock
def set_power_state(self, task, power_state):
"""Set the power state of the task's node.
:param task: a TaskManager instance containing the node to act on.
:param power_state: Any power state from :mod:`ironic.common.states`.
:raises: InvalidParameterValue if an invalid power state was specified.
:raises: MissingParameterValue if some mandatory information
is missing on the node
:raises: IRMCOperationError if failed to set the power state.
"""
_set_power_state(task, power_state)
@task_manager.require_exclusive_lock
def reboot(self, task):
"""Perform a hard reboot of the task's node.
:param task: a TaskManager instance containing the node to act on.
:raises: InvalidParameterValue if an invalid power state was specified.
:raises: IRMCOperationError if failed to set the power state.
"""
_set_power_state(task, states.REBOOT)
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