Source code for ironic.drivers.modules.xclarity.common

#    Copyright 2017 Lenovo, Inc.
#    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
#    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.

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 states
from ironic.common import utils
from ironic.conf import CONF

LOG = logging.getLogger(__name__)

client = importutils.try_import('xclarity_client.client')
xclarity_client_constants = importutils.try_import('xclarity_client.constants')
xclarity_client_exceptions = importutils.try_import(

    'xclarity_manager_ip': _("IP address of the XClarity Controller."),
    'xclarity_username': _("Username for the XClarity Controller "
                           "with administrator privileges."),
    'xclarity_password': _("Password for xclarity_username."),
    'xclarity_hardware_id': _("Server Hardware ID managed by XClarity."),

    'xclarity_port': _("Port to be used for XClarity Controller connection. "


[docs] def get_properties(): return COMMON_PROPERTIES
[docs] def parse_driver_info(node): """Parse a node's driver_info values. Parses the driver_info of the node, reads default values and returns a dict containing the combination of both. :param node: an ironic node object to get information from. :returns: a dict containing information parsed from driver_info. :raises: InvalidParameterValue if some required information is missing on the node or inputs is invalid. """ driver_info = node.driver_info parsed_driver_info = {} error_msgs = [] for param in REQUIRED_ON_DRIVER_INFO: if param == "xclarity_hardware_id": try: parsed_driver_info[param] = str(driver_info[param]) except KeyError: error_msgs.append(_("'%s' not provided to XClarity.") % param) except UnicodeEncodeError: error_msgs.append(_("'%s' contains non-ASCII symbol.") % param) else: # corresponding config names don't have 'xclarity_' prefix if param in driver_info: parsed_driver_info[param] = str(driver_info[param]) elif param not in driver_info and\ CONF.xclarity.get(param[len('xclarity_'):]) is not None: parsed_driver_info[param] = str( CONF.xclarity.get(param[len('xclarity_'):])) LOG.warning('The configuration [xclarity]/%(config)s ' 'is deprecated and will be removed in the ' 'Stein release. Please update the node ' '%(node_uuid)s driver_info field to use ' '"%(field)s" instead', {'config': param[len('xclarity_'):], 'node_uuid': node.uuid, 'field': param}) else: error_msgs.append(_("'%s' not provided to XClarity.") % param) port = driver_info.get('xclarity_port', CONF.xclarity.get('port')) parsed_driver_info['xclarity_port'] = utils.validate_network_port( port, 'xclarity_port') if error_msgs: msg = (_('The following errors were encountered while parsing ' 'driver_info:\n%s') % '\n'.join(error_msgs)) raise exception.InvalidParameterValue(msg) return parsed_driver_info
[docs] def get_xclarity_client(node): """Generates an instance of the XClarity client. Generates an instance of the XClarity client using the imported xclarity_client library. :param node: an ironic node object. :returns: an instance of the XClarity client :raises: XClarityError if can't get to the XClarity client """ driver_info = parse_driver_info(node) try: xclarity_client = client.Client( ip=driver_info.get('xclarity_manager_ip'), username=driver_info.get('xclarity_username'), password=driver_info.get('xclarity_password'), port=driver_info.get('xclarity_port') ) except xclarity_client_exceptions.XClarityError as exc: msg = (_("Error getting connection to XClarity address: %(ip)s. " "Error: %(exc)s"), {'ip': driver_info.get('xclarity_manager_ip'), 'exc': exc}) raise exception.XClarityError(error=msg) return xclarity_client
[docs] def get_server_hardware_id(node): """Validates node configuration and returns xclarity hardware id. Validates whether node configuration is consistent with XClarity and returns the XClarity Hardware ID for a specific node. :param node: node object to get information from :returns: the XClarity Hardware ID for a specific node :raises: MissingParameterValue if unable to validate XClarity Hardware ID """ xclarity_hardware_id = node.driver_info.get('xclarity_hardware_id') if not xclarity_hardware_id: msg = (_("Error validating node driver info, " "server uuid: %s missing xclarity_hardware_id") % node.uuid) raise exception.MissingParameterValue(err=msg) return xclarity_hardware_id
[docs] def translate_xclarity_power_state(power_state): """Translates XClarity's power state strings to be consistent with Ironic. :param power_state: power state string to be translated :returns: the translated power state """ power_states_map = { xclarity_client_constants.STATE_POWER_ON: states.POWER_ON, xclarity_client_constants.STATE_POWER_OFF: states.POWER_OFF, } return power_states_map.get(power_state, states.ERROR)
[docs] def translate_xclarity_power_action(power_action): """Translates ironic's power action strings to XClarity's format. :param power_action: power action string to be translated :returns: the power action translated """ power_action_map = { states.POWER_ON: xclarity_client_constants.ACTION_POWER_ON, states.POWER_OFF: xclarity_client_constants.ACTION_POWER_OFF, states.REBOOT: xclarity_client_constants.ACTION_REBOOT } return power_action_map[power_action]