892cba1651
This adds pagination support to the underlying client as well as
autopagination support on the CLI.
This adds --all and --marker to the associated
{cells,hosts,projects,regions}-list commands.
Depends-On: I11c5c6053e5f0873ee53df5b7dcb9b2ed25a0b64
Change-Id: Ic1f8f01e052ff7870f731d6c8a5d47d58d9dcfe9
136 lines
4.8 KiB
Python
136 lines
4.8 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy
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# 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Hosts resource and resource shell wrapper."""
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from __future__ import print_function
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from cratonclient.common import cliutils
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from cratonclient import exceptions as exc
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from cratonclient.v1 import regions
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@cliutils.arg('-n', '--name',
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metavar='<name>',
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required=True,
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help='Name of the host.')
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@cliutils.arg('--note',
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help='Note about the host.')
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def do_region_create(cc, args):
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"""Register a new region with the Craton service."""
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fields = {k: v for (k, v) in vars(args).items()
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if k in regions.REGION_FIELDS and not (v is None)}
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region = cc.regions.create(**fields)
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data = {f: getattr(region, f, '') for f in regions.REGION_FIELDS}
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cliutils.print_dict(data, wrap=72)
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@cliutils.arg('--fields',
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nargs='+',
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metavar='<fields>',
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default=[],
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help='Comma-separated list of fields to display. '
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'Only these fields will be fetched from the server. '
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'Can not be used when "--detail" is specified')
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@cliutils.arg('--all',
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action='store_true',
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default=False,
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help='Retrieve and show all regions. This will override '
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'the provided value for --limit and automatically '
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'retrieve each page of results.')
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@cliutils.arg('--limit',
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metavar='<limit>',
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type=int,
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help='Maximum number of regions to return.')
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@cliutils.arg('--marker',
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metavar='<marker>',
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default=None,
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help='ID of the cell to use to resume listing regions.')
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def do_region_list(cc, args):
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"""List all regions."""
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params = {}
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default_fields = ['id', 'name']
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if args.limit is not None:
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if args.limit < 0:
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raise exc.CommandError('Invalid limit specified. Expected '
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'non-negative limit, got {0}'
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.format(args.limit))
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params['limit'] = args.limit
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if args.all is True:
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params['limit'] = 100
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if args.fields:
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try:
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fields = {x: regions.REGION_FIELDS[x] for x in args.fields}
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except KeyError as err:
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raise exc.CommandError('Invalid field "{}"'.format(err.args[0]))
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else:
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fields = default_fields
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params['marker'] = args.marker
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params['autopaginate'] = args.all
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regions_list = cc.regions.list(**params)
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cliutils.print_list(regions_list, list(fields))
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@cliutils.arg('id',
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metavar='<region>',
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type=int,
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help='ID of the region.')
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def do_region_show(cc, args):
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"""Show detailed information about a region."""
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region = cc.regions.get(args.id)
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data = {f: getattr(region, f, '') for f in regions.REGION_FIELDS}
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cliutils.print_dict(data, wrap=72)
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@cliutils.arg('id',
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metavar='<region>',
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type=int,
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help='ID of the region')
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@cliutils.arg('-n', '--name',
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metavar='<name>',
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help='Name of the region.')
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@cliutils.arg('--note',
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help='Note about the region.')
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def do_region_update(cc, args):
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"""Update a region that is registered with the Craton service."""
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fields = {k: v for (k, v) in vars(args).items()
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if k in regions.REGION_FIELDS and not (v is None)}
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item_id = fields.pop('id')
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if not fields:
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raise exc.CommandError(
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'Nothing to update... Please specify one or more of --name, or '
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'--note'
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)
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region = cc.regions.update(item_id, **fields)
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data = {f: getattr(region, f, '') for f in regions.REGION_FIELDS}
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cliutils.print_dict(data, wrap=72)
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@cliutils.arg('id',
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metavar='<region>',
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type=int,
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help='ID of the region.')
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def do_region_delete(cc, args):
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"""Delete a region that is registered with the Craton service."""
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try:
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response = cc.regions.delete(args.id)
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except exc.ClientException as client_exc:
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raise exc.CommandError(
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'Failed to delete region {} due to "{}:{}"'.format(
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args.id, client_exc.__class__, str(client_exc),
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)
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)
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else:
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print("Region {0} was {1} deleted.".
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format(args.id, 'successfully' if response else 'not'))
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