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# Copyright 2018 Hewlett Packard Enterprise Development LP
#
# 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.
"""
iLO5 RAID specific methods
"""
from ironic_lib import metrics_utils
from oslo_log import log as logging
from oslo_utils import importutils
from ironic.common import exception
from ironic.common.i18n import _
from ironic.common import raid
from ironic.common import states
from ironic.conductor import utils as manager_utils
from ironic import conf
from ironic.drivers import base
from ironic.drivers.modules import deploy_utils
from ironic.drivers.modules.ilo import common as ilo_common
LOG = logging.getLogger(__name__)
CONF = conf.CONF
METRICS = metrics_utils.get_metrics_logger(__name__)
ilo_error = importutils.try_import('proliantutils.exception')
class Ilo5RAID(base.RAIDInterface):
"""Implementation of OOB RAIDInterface for iLO5."""
_RAID_APPLY_CONFIGURATION_ARGSINFO = {
"raid_config": {
"description": "The RAID configuration to apply.",
"required": True,
},
"create_root_volume": {
"description": (
"Setting this to 'False' indicates not to create root "
"volume that is specified in 'raid_config'. Default "
"value is 'True'."
),
"required": False,
},
"create_nonroot_volumes": {
"description": (
"Setting this to 'False' indicates not to create "
"non-root volumes (all except the root volume) in "
"'raid_config'. Default value is 'True'."
),
"required": False,
}
}
def get_properties(self):
"""Return the properties of the interface."""
return ilo_common.REQUIRED_PROPERTIES
def _set_step_failed(self, task, msg, exc):
log_msg = ("RAID configuration job failed for node %(node)s. "
"Message: '%(message)s'." %
{'node': task.node.uuid, 'message': msg})
if task.node.provision_state == states.DEPLOYING:
manager_utils.deploying_error_handler(task, log_msg, errmsg=msg)
else:
manager_utils.cleaning_error_handler(task, log_msg, errmsg=msg)
def _set_driver_internal_true_value(self, task, *keys):
driver_internal_info = task.node.driver_internal_info
for key in keys:
driver_internal_info[key] = True
task.node.driver_internal_info = driver_internal_info
task.node.save()
def _set_driver_internal_false_value(self, task, *keys):
driver_internal_info = task.node.driver_internal_info
for key in keys:
driver_internal_info[key] = False
task.node.driver_internal_info = driver_internal_info
task.node.save()
def _pop_driver_internal_values(self, task, *keys):
driver_internal_info = task.node.driver_internal_info
for key in keys:
driver_internal_info.pop(key, None)
task.node.driver_internal_info = driver_internal_info
task.node.save()
def _prepare_for_read_raid(self, task, raid_step):
deploy_opts = deploy_utils.build_agent_options(task.node)
task.driver.boot.prepare_ramdisk(task, deploy_opts)
manager_utils.node_power_action(task, states.REBOOT)
if raid_step == 'create_raid':
self._set_driver_internal_true_value(
task, 'ilo_raid_create_in_progress')
else:
self._set_driver_internal_true_value(
task, 'ilo_raid_delete_in_progress')
deploy_utils.set_async_step_flags(task.node, reboot=True,
skip_current_step=False)
@base.deploy_step(priority=0,
argsinfo=_RAID_APPLY_CONFIGURATION_ARGSINFO)
def apply_configuration(self, task, raid_config, create_root_volume=True,
create_nonroot_volumes=False):
return super(Ilo5RAID, self).apply_configuration(
task, raid_config, create_root_volume=create_root_volume,
create_nonroot_volumes=create_nonroot_volumes)
@METRICS.timer('Ilo5RAID.create_configuration')
@base.clean_step(priority=0, abortable=False, argsinfo={
'create_root_volume': {
'description': (
'This specifies whether to create the root volume. '
'Defaults to `True`.'
),
'required': False
},
'create_nonroot_volumes': {
'description': (
'This specifies whether to create the non-root volumes. '
'Defaults to `True`.'
),
'required': False
}
})
def create_configuration(self, task, create_root_volume=True,
create_nonroot_volumes=True):
"""Create a RAID configuration on a bare metal using agent ramdisk.
This method creates a RAID configuration on the given node.
:param task: a TaskManager instance.
:param create_root_volume: If True, a root volume is created
during RAID configuration. Otherwise, no root volume is
created. Default is True.
:param create_nonroot_volumes: If True, non-root volumes are
created. If False, no non-root volumes are created. Default
is True.
:raises: MissingParameterValue, if node.target_raid_config is missing
or was found to be empty after skipping root volume and/or non-root
volumes.
:raises: NodeCleaningFailure, on failure to execute clean step.
:raises: InstanceDeployFailure, on failure to execute deploy step.
"""
node = task.node
target_raid_config = raid.filter_target_raid_config(
node, create_root_volume=create_root_volume,
create_nonroot_volumes=create_nonroot_volumes)
driver_internal_info = node.driver_internal_info
driver_internal_info['target_raid_config'] = target_raid_config
node.driver_internal_info = driver_internal_info
node.save()
LOG.debug("Calling OOB RAID create_configuration for node %(node)s "
"with the following target RAID configuration: %(target)s",
{'node': node.uuid, 'target': target_raid_config})
ilo_object = ilo_common.get_ilo_object(node)
try:
# Raid configuration in progress, checking status
if not driver_internal_info.get('ilo_raid_create_in_progress'):
ilo_object.create_raid_configuration(target_raid_config)
self._prepare_for_read_raid(task, 'create_raid')
return deploy_utils.get_async_step_return_state(node)
else:
# Raid configuration is done, updating raid_config
raid_conf = (
ilo_object.read_raid_configuration(
raid_config=target_raid_config))
fields = ['ilo_raid_create_in_progress']
if node.clean_step:
fields.append('skip_current_clean_step')
else:
fields.append('skip_current_deploy_step')
self._pop_driver_internal_values(task, *fields)
if len(raid_conf['logical_disks']):
raid.update_raid_info(node, raid_conf)
LOG.debug("Node %(uuid)s raid create clean step is done.",
{'uuid': node.uuid})
else:
# Raid configuration failed
msg = (_("Step create_configuration failed "
"on node %(node)s with error: "
"Unable to create raid")
% {'node': node.uuid})
if node.clean_step:
raise exception.NodeCleaningFailure(msg)
else:
raise exception.InstanceDeployFailure(reason=msg)
except ilo_error.IloError as ilo_exception:
operation = (_("Failed to create raid configuration on node %s")
% node.uuid)
fields = ['ilo_raid_create_in_progress']
if node.clean_step:
fields.append('skip_current_clean_step')
else:
fields.append('skip_current_deploy_step')
self._pop_driver_internal_values(task, *fields)
self._set_step_failed(task, operation, ilo_exception)
@METRICS.timer('Ilo5RAID.delete_configuration')
@base.clean_step(priority=0, abortable=False)
@base.deploy_step(priority=0)
def delete_configuration(self, task):
"""Delete the RAID configuration.
:param task: a TaskManager instance containing the node to act on.
:raises: NodeCleaningFailure, on failure to execute clean step.
:raises: InstanceDeployFailure, on failure to execute deploy step.
"""
node = task.node
LOG.debug("OOB RAID delete_configuration invoked for node %s.",
node.uuid)
driver_internal_info = node.driver_internal_info
ilo_object = ilo_common.get_ilo_object(node)
try:
# Raid configuration in progress, checking status
if not driver_internal_info.get('ilo_raid_delete_in_progress'):
ilo_object.delete_raid_configuration()
self._prepare_for_read_raid(task, 'delete_raid')
return deploy_utils.get_async_step_return_state(node)
else:
# Raid configuration is done, updating raid_config
raid_conf = ilo_object.read_raid_configuration()
fields = ['ilo_raid_delete_in_progress']
if node.clean_step:
fields.append('skip_current_clean_step')
else:
fields.append('skip_current_deploy_step')
self._pop_driver_internal_values(task, *fields)
if not len(raid_conf['logical_disks']):
node.raid_config = {}
LOG.debug("Node %(uuid)s raid delete clean step is done.",
{'uuid': node.uuid})
else:
# Raid configuration failed
err_msg = (_("Step delete_configuration failed "
"on node %(node)s with error: "
"Unable to delete these logical disks: "
"%(disks)s")
% {'node': node.uuid,
'disks': raid_conf['logical_disks']})
if node.clean_step:
raise exception.NodeCleaningFailure(err_msg)
else:
raise exception.InstanceDeployFailure(reason=err_msg)
except ilo_error.IloLogicalDriveNotFoundError:
LOG.info("No logical drive found to delete on node %(node)s",
{'node': node.uuid})
except ilo_error.IloError as ilo_exception:
operation = (_("Failed to delete raid configuration on node %s")
% node.uuid)
self._pop_driver_internal_values(task,
'ilo_raid_delete_in_progress',
'skip_current_clean_step')
fields = ['ilo_raid_delete_in_progress']
if node.clean_step:
fields.append('skip_current_clean_step')
else:
fields.append('skip_current_deploy_step')
self._pop_driver_internal_values(task, *fields)
self._set_step_failed(task, operation, ilo_exception)
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