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# Copyright 2016 Huawei, Inc. All rights reserved.
#
# 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.
#
"""Compute v2 Server Group action implementations"""
import logging
from novaclient import api_versions
from osc_lib.command import command
from osc_lib import exceptions
from osc_lib import utils
from openstackclient.i18n import _
LOG = logging.getLogger(__name__)
_formatters = {
'policies': utils.format_list,
'members': utils.format_list,
}
def _get_columns(info):
columns = list(info.keys())
if 'metadata' in columns:
# NOTE(RuiChen): The metadata of server group is always empty since API
# compatible, so hide it in order to avoid confusion.
columns.remove('metadata')
return tuple(sorted(columns))
class CreateServerGroup(command.ShowOne):
_description = _("Create a new server group.")
def get_parser(self, prog_name):
parser = super(CreateServerGroup, self).get_parser(prog_name)
parser.add_argument(
'name',
metavar='<name>',
help=_("New server group name")
)
parser.add_argument(
'--policy',
metavar='<policy>',
default='affinity',
help=_("Add a policy to <name> "
"('affinity' or 'anti-affinity', "
"defaults to 'affinity'). Specify --os-compute-api-version "
"2.15 or higher for the 'soft-affinity' or "
"'soft-anti-affinity' policy.")
)
return parser
def take_action(self, parsed_args):
compute_client = self.app.client_manager.compute
info = {}
policy_arg = {'policies': [parsed_args.policy]}
if compute_client.api_version >= api_versions.APIVersion("2.64"):
policy_arg = {'policy': parsed_args.policy}
server_group = compute_client.server_groups.create(
name=parsed_args.name, **policy_arg)
info.update(server_group._info)
columns = _get_columns(info)
data = utils.get_dict_properties(info, columns,
formatters=_formatters)
return columns, data
class DeleteServerGroup(command.Command):
_description = _("Delete existing server group(s).")
def get_parser(self, prog_name):
parser = super(DeleteServerGroup, self).get_parser(prog_name)
parser.add_argument(
'server_group',
metavar='<server-group>',
nargs='+',
help=_("server group(s) to delete (name or ID)")
)
return parser
def take_action(self, parsed_args):
compute_client = self.app.client_manager.compute
result = 0
for group in parsed_args.server_group:
try:
group_obj = utils.find_resource(compute_client.server_groups,
group)
compute_client.server_groups.delete(group_obj.id)
# Catch all exceptions in order to avoid to block the next deleting
except Exception as e:
result += 1
LOG.error(e)
if result > 0:
total = len(parsed_args.server_group)
msg = _("%(result)s of %(total)s server groups failed to delete.")
raise exceptions.CommandError(
msg % {"result": result,
"total": total}
)
class ListServerGroup(command.Lister):
_description = _("List all server groups.")
def get_parser(self, prog_name):
parser = super(ListServerGroup, self).get_parser(prog_name)
parser.add_argument(
'--all-projects',
action='store_true',
default=False,
help=_("Display information from all projects (admin only)")
)
parser.add_argument(
'--long',
action='store_true',
default=False,
help=_("List additional fields in output")
)
return parser
def take_action(self, parsed_args):
compute_client = self.app.client_manager.compute
data = compute_client.server_groups.list(parsed_args.all_projects)
if parsed_args.long:
column_headers = columns = (
'ID',
'Name',
'Policies',
'Members',
'Project Id',
'User Id',
)
else:
column_headers = columns = (
'ID',
'Name',
'Policies',
)
return (column_headers,
(utils.get_item_properties(
s, columns,
formatters={
'Policies': utils.format_list,
'Members': utils.format_list,
}
) for s in data))
class ShowServerGroup(command.ShowOne):
_description = _("Display server group details.")
def get_parser(self, prog_name):
parser = super(ShowServerGroup, self).get_parser(prog_name)
parser.add_argument(
'server_group',
metavar='<server-group>',
help=_("server group to display (name or ID)")
)
return parser
def take_action(self, parsed_args):
compute_client = self.app.client_manager.compute
group = utils.find_resource(compute_client.server_groups,
parsed_args.server_group)
info = {}
info.update(group._info)
columns = _get_columns(info)
data = utils.get_dict_properties(info, columns,
formatters=_formatters)
return columns, data
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