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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 argparse
import itertools
from collections.abc import Iterable, Sequence
from typing import Any
from openstack import utils as sdk_utils
from openstackclient import command
from openstackclient.i18n import _
from openstackclient.identity import common as identity_common
def _format_absolute_limit(absolute_limits: Any) -> dict[str, Any]:
    info: dict[str, Any] = {}
    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: Any) -> Any:
    # 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: str) -> argparse.ArgumentParser:
        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)'
        identity_common.add_project_domain_option_to_parser(parser)
        # deprecated alias for --project-domain
        parser.add_argument(
            '--domain',
            metavar='<domain>',
            dest='project_domain',
            help=argparse.SUPPRESS,
        return parser
    def take_action(
        self, parsed_args: argparse.Namespace
    ) -> tuple[Sequence[str], Iterable[tuple[Any, ...]]]:
        project_id = None
        if parsed_args.project is not None:
            identity_client = sdk_utils.ensure_service_version(
                self.app.client_manager.sdk_connection.identity, '3'
            project_id = identity_common.find_project_id_sdk(
                identity_client,
                parsed_args.project,
                parsed_args.project_domain,
        compute_limits = None
        volume_limits = None
        if self.app.client_manager.is_compute_endpoint_enabled():
            compute_client = self.app.client_manager.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.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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