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# Copyright 2012-2013 OpenStack Foundation
#
# 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.
#
"""Limits Action Implementation"""
import itertools
from osc_lib.command import command
from osc_lib import utils
from openstackclient.i18n import _
from openstackclient.identity import common as identity_common
def _format_absolute_limit(absolute_limits):
info = {}
for key in set(absolute_limits):
if key in ('id', 'name', 'location'):
continue
info[key] = absolute_limits[key]
return info
def _format_rate_limit(rate_limits):
# flatten this:
#
# {'uri': '<uri>', 'limit': [{'value': '<value>', ...], ...}
#
# to this:
#
# {'uri': '<uri>', 'value': '<value>', ...}, ...}
return itertools.chain(
*[[{'uri': x['uri'], **y} for y in x['limit']] for x in rate_limits]
)
class ShowLimits(command.Lister):
_description = _("Show compute and block storage limits")
def get_parser(self, prog_name):
parser = super().get_parser(prog_name)
type_group = parser.add_mutually_exclusive_group(required=True)
type_group.add_argument(
"--absolute",
dest="is_absolute",
action="store_true",
default=False,
help=_("Show absolute limits"),
)
type_group.add_argument(
"--rate",
dest="is_rate",
action="store_true",
default=False,
help=_(
'Show rate limits. This is not supported by the compute '
'service since the 12.0.0 (Liberty) release and is only '
'supported by the block storage service when the '
'rate-limiting middleware is enabled. It is therefore a no-op '
'in most deployments.'
),
)
parser.add_argument(
"--reserved",
dest="is_reserved",
action="store_true",
default=False,
help=_("Include reservations count (only valid with --absolute)"),
)
parser.add_argument(
'--project',
metavar='<project>',
help=_(
'Show limits for a specific project (name or ID) '
'(only valid with --absolute)'
),
)
parser.add_argument(
'--domain',
metavar='<domain>',
help=_(
'Domain the project belongs to (name or ID) '
'(only valid with --absolute)'
),
)
return parser
def take_action(self, parsed_args):
project_id = None
if parsed_args.project is not None:
identity_client = self.app.client_manager.identity
if parsed_args.domain is not None:
domain = identity_common.find_domain(
identity_client, parsed_args.domain
)
project_id = utils.find_resource(
identity_client.projects,
parsed_args.project,
domain_id=domain.id,
).id
else:
project_id = utils.find_resource(
identity_client.projects, parsed_args.project
).id
compute_limits = None
volume_limits = None
if self.app.client_manager.is_compute_endpoint_enabled():
compute_client = self.app.client_manager.sdk_connection.compute
compute_limits = compute_client.get_limits(
reserved=parsed_args.is_reserved, tenant_id=project_id
)
if self.app.client_manager.is_volume_endpoint_enabled():
volume_client = self.app.client_manager.sdk_connection.volume
volume_limits = volume_client.get_limits(
project=project_id,
)
if parsed_args.is_absolute:
columns = ["Name", "Value"]
info = {}
if compute_limits:
info.update(_format_absolute_limit(compute_limits.absolute))
if volume_limits:
info.update(_format_absolute_limit(volume_limits.absolute))
return (columns, sorted(info.items(), key=lambda x: x[0]))
else: # parsed_args.is_rate
data = []
if compute_limits:
data.extend(_format_rate_limit(compute_limits.rate))
if volume_limits:
data.extend(_format_rate_limit(volume_limits.rate))
columns = [
"Verb",
"URI",
"Value",
"Remain",
"Unit",
"Next Available",
]
return (
columns,
[
(
s['verb'],
s['uri'],
s['value'],
s['remaining'],
s['unit'],
s.get('next-available') or s['next_available'],
)
for s in data
],
)
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