159 lines
6.4 KiB
Python
159 lines
6.4 KiB
Python
#
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# Copyright 2015 Hewlett Packard Development Company, LP
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# Copyright 2015 Universidade Federal de Campina Grande
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from ironic_lib import metrics_utils
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from oslo_log import log as logging
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from oslo_utils import importutils
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from ironic.common import exception
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from ironic.common.i18n import _, _LE
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from ironic.common import states
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from ironic.conductor import task_manager
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from ironic.drivers import base
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from ironic.drivers.modules.oneview import common
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from ironic.drivers.modules.oneview import deploy_utils
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LOG = logging.getLogger(__name__)
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METRICS = metrics_utils.get_metrics_logger(__name__)
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oneview_exceptions = importutils.try_import('oneview_client.exceptions')
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class OneViewPower(base.PowerInterface):
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def __init__(self):
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super(OneViewPower, self).__init__()
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self.oneview_client = common.get_oneview_client()
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def get_properties(self):
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return deploy_utils.get_properties()
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@METRICS.timer('OneViewPower.validate')
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def validate(self, task):
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"""Checks required info on 'driver_info' and validates node with OneView
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Validates whether the 'oneview_info' property of the supplied
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task's node contains the required info such as server_hardware_uri,
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server_hardware_type, server_profile_template_uri and
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enclosure_group_uri. Also, checks if the server profile of the node is
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applied, if NICs are valid for the server profile of the node, and if
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the server hardware attributes (ram, memory, vcpus count) are
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consistent with OneView. It validates if the node is being used by
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Oneview.
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:param task: a task from TaskManager.
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:raises: MissingParameterValue if a required parameter is missing.
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:raises: InvalidParameterValue if parameters set are inconsistent with
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resources in OneView
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:raises: InvalidParameterValue if the node in use by OneView.
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:raises: OneViewError if not possible to get OneView's information
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for the given node, if not possible to retrieve Server
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Hardware from OneView.
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"""
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common.verify_node_info(task.node)
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try:
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common.validate_oneview_resources_compatibility(
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self.oneview_client, task)
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if deploy_utils.is_node_in_use_by_oneview(self.oneview_client,
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task.node):
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raise exception.InvalidParameterValue(
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_("Node %s is in use by OneView.") % task.node.uuid)
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except exception.OneViewError as oneview_exc:
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raise exception.InvalidParameterValue(oneview_exc)
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@METRICS.timer('OneViewPower.get_power_state')
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def get_power_state(self, task):
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"""Gets the current power state.
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:param task: a TaskManager instance.
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:returns: one of :mod:`ironic.common.states` POWER_OFF,
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POWER_ON or ERROR.
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:raises: OneViewError if fails to retrieve power state of OneView
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resource
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"""
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oneview_info = common.get_oneview_info(task.node)
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try:
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power_state = self.oneview_client.get_node_power_state(
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oneview_info
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)
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except oneview_exceptions.OneViewException as oneview_exc:
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LOG.error(
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_LE("Error getting power state for node %(node)s. Error:"
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"%(error)s"),
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{'node': task.node.uuid, 'error': oneview_exc}
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)
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raise exception.OneViewError(error=oneview_exc)
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return common.translate_oneview_power_state(power_state)
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@METRICS.timer('OneViewPower.set_power_state')
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@task_manager.require_exclusive_lock
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def set_power_state(self, task, power_state):
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"""Turn the current power state on or off.
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:param task: a TaskManager instance.
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:param power_state: The desired power state POWER_ON, POWER_OFF or
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REBOOT from :mod:`ironic.common.states`.
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:raises: InvalidParameterValue if an invalid power state was specified.
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:raises: PowerStateFailure if the power couldn't be set to power_state.
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:raises: OneViewError if OneView fails setting the power state.
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"""
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if deploy_utils.is_node_in_use_by_oneview(self.oneview_client,
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task.node):
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raise exception.PowerStateFailure(_(
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"Cannot set power state '%(power_state)s' to node %(node)s. "
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"The node is in use by OneView.") %
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{'power_state': power_state,
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'node': task.node.uuid})
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oneview_info = common.get_oneview_info(task.node)
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LOG.debug('Setting power state of node %(node_uuid)s to '
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'%(power_state)s',
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{'node_uuid': task.node.uuid, 'power_state': power_state})
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try:
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if power_state == states.POWER_ON:
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self.oneview_client.power_on(oneview_info)
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elif power_state == states.POWER_OFF:
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self.oneview_client.power_off(oneview_info)
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elif power_state == states.REBOOT:
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self.oneview_client.power_off(oneview_info)
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self.oneview_client.power_on(oneview_info)
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else:
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raise exception.InvalidParameterValue(
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_("set_power_state called with invalid power state %s.")
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% power_state)
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except oneview_exceptions.OneViewException as exc:
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raise exception.OneViewError(
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_("Error setting power state: %s") % exc
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)
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@METRICS.timer('OneViewPower.reboot')
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@task_manager.require_exclusive_lock
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def reboot(self, task):
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"""Reboot the node
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:param task: a TaskManager instance.
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:raises: PowerStateFailure if the final state of the node is not
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POWER_ON.
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"""
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self.set_power_state(task, states.REBOOT)
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