a3f687c953
This change introduces a new command to build RAID: $ openstack overcloud raid create --node UUID1 [--node UUID2] configuraiton More variants of this command will come later. Part of blueprint raid-workflow Change-Id: Ic4a547939213e5305cb7ca4f4458ef9eb577437b
80 lines
3.0 KiB
Python
80 lines
3.0 KiB
Python
# Copyright 2016 Red Hat, Inc.
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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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#
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import logging
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import os
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from osc_lib.command import command
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from osc_lib.i18n import _
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import uuid
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import yaml
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from tripleoclient.workflows import baremetal
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class CreateRAID(command.Command):
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"""Create RAID on given nodes"""
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log = logging.getLogger(__name__ + ".CreateRAID")
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def get_parser(self, prog_name):
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parser = super(CreateRAID, self).get_parser(prog_name)
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parser.add_argument('--node', action='append', required=True,
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help=_('Nodes to create RAID on (expected to be '
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'in manageable state). Can be specified '
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'multiple times.'))
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parser.add_argument('configuration',
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help=_('RAID configuration (YAML/JSON string or '
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'file name).'))
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return parser
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def take_action(self, parsed_args):
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self.log.debug("take_action({args})".format(args=parsed_args))
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if os.path.exists(parsed_args.configuration):
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with open(parsed_args.configuration, 'r') as fp:
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configuration = yaml.safe_load(fp.read())
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else:
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try:
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configuration = yaml.safe_load(parsed_args.configuration)
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except yaml.YAMLError as exc:
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raise RuntimeError(
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_('Configuration is not an existing file and cannot be '
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'parsed as YAML: %s') % exc)
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# Basic sanity check, we defer the full check to Ironic
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try:
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disks = configuration['logical_disks']
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except KeyError:
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raise ValueError(
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_('Configuration must contain key "logical_disks"'))
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except TypeError:
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raise TypeError(
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_('Configuration must be an object, got %r instead')
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% configuration)
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if (not isinstance(disks, list) or
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not all(isinstance(item, dict) for item in disks)):
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raise TypeError(
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_('Logical disks list is expected to be a list of objects, '
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'got %r instead') % disks)
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queue_name = str(uuid.uuid4())
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clients = self.app.client_manager
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baremetal.create_raid_configuration(clients,
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queue_name=queue_name,
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node_uuids=parsed_args.node,
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configuration=configuration)
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