699 lines
26 KiB
Python
699 lines
26 KiB
Python
# Copyright 2015 NEC Corporation. All rights reserved.
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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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import argparse
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from contextlib import closing
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import io
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import json
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import os
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import tarfile
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import time
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import yaml
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from zunclient.common import cliutils as utils
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from zunclient.common import utils as zun_utils
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from zunclient.common.websocketclient import exceptions
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from zunclient.common.websocketclient import websocketclient
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from zunclient import exceptions as exc
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def _show_container(container):
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zun_utils.format_container_addresses(container)
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utils.print_dict(container._info)
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@utils.arg('-n', '--name',
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metavar='<name>',
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help='name of the container')
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@utils.arg('--cpu',
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metavar='<cpu>',
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help='The number of virtual cpus.')
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@utils.arg('-m', '--memory',
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metavar='<memory>',
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help='The container memory size in MiB')
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@utils.arg('-e', '--environment',
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metavar='<KEY=VALUE>',
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action='append', default=[],
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help='The environment variables')
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@utils.arg('--workdir',
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metavar='<workdir>',
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help='The working directory for commands to run in')
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@utils.arg('--rm',
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action='store_true',
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help='Automatically remove the container when it exits')
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@utils.arg('--label',
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metavar='<KEY=VALUE>',
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action='append', default=[],
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help='Adds a map of labels to a container. '
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'May be used multiple times.')
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@utils.arg('--image-pull-policy',
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dest='image_pull_policy',
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metavar='<policy>',
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choices=['never', 'always', 'ifnotpresent'],
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help='The policy which determines if the image should '
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'be pulled prior to starting the container. '
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'It can have following values: '
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'"ifnotpresent": only pull the image if it does not '
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'already exist on the node. '
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'"always": Always pull the image from repository.'
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'"never": never pull the image')
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@utils.arg('image', metavar='<image>', help='name or ID of the image')
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@utils.arg('--restart',
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metavar='<restart>',
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help='Restart policy to apply when a container exits'
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'(no, on-failure[:max-retry], always, unless-stopped)')
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@utils.arg('-i', '--interactive',
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dest='interactive',
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action='store_true',
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default=False,
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help='Keep STDIN open even if not attached, allocate a pseudo-TTY')
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@utils.arg('--image-driver',
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metavar='<image_driver>',
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help='The image driver to use to pull container image. '
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'It can have following values: '
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'"docker": pull the image from Docker Hub. '
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'"glance": pull the image from Glance. ')
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@utils.arg('--security-group',
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metavar='security-group',
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action='append', default=[],
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help='The name of security group for the container. '
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'May be used multiple times.')
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@utils.arg('command',
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metavar='<command>',
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nargs=argparse.REMAINDER,
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help='Send command to the container')
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@utils.arg('--hint',
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action='append',
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default=[],
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metavar='<key=value>',
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help='The key-value pair(s) for scheduler to select host. '
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'The format of this parameter is "key=value[,key=value]". '
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'May be used multiple times.')
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@utils.arg('--net',
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action='append',
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default=[],
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metavar='<auto, network=network, port=port-uuid,'
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'v4-fixed-ip=ip-addr,v6-fixed-ip=ip-addr>',
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help='Create network enpoints for the container. '
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'auto: do not specify the network, zun will automatically '
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'create one. '
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'network: attach container to the specified neturon networks. '
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'port: attach container to the neutron port with this UUID. '
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'v4-fixed-ip: IPv4 fixed address for container. '
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'v6-fixed-ip: IPv6 fixed address for container.')
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def do_create(cs, args):
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"""Create a container."""
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opts = {}
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opts['name'] = args.name
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opts['image'] = args.image
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opts['memory'] = args.memory
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opts['cpu'] = args.cpu
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opts['environment'] = zun_utils.format_args(args.environment)
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opts['auto_remove'] = args.rm
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opts['workdir'] = args.workdir
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opts['labels'] = zun_utils.format_args(args.label)
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opts['image_pull_policy'] = args.image_pull_policy
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opts['image_driver'] = args.image_driver
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opts['hints'] = zun_utils.format_args(args.hint)
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opts['nets'] = zun_utils.parse_nets(args.net)
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if args.security_group:
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opts['security_groups'] = args.security_group
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if args.command:
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opts['command'] = zun_utils.parse_command(args.command)
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if args.restart:
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opts['restart_policy'] = zun_utils.check_restart_policy(args.restart)
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if args.interactive:
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opts['interactive'] = True
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opts = zun_utils.remove_null_parms(**opts)
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_show_container(cs.containers.create(**opts))
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@utils.arg('--all-tenants',
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action="store_true",
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default=False,
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help='List containers in all tenants')
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@utils.arg('--marker',
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metavar='<marker>',
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default=None,
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help='The last container UUID of the previous page; '
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'displays list of containers after "marker".')
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@utils.arg('--limit',
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metavar='<limit>',
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type=int,
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help='Maximum number of containers to return')
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@utils.arg('--sort-key',
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metavar='<sort-key>',
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help='Column to sort results by')
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@utils.arg('--sort-dir',
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metavar='<sort-dir>',
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choices=['desc', 'asc'],
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help='Direction to sort. "asc" or "desc".')
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def do_list(cs, args):
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"""Print a list of available containers."""
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opts = {}
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opts['all_tenants'] = args.all_tenants
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opts['marker'] = args.marker
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opts['limit'] = args.limit
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opts['sort_key'] = args.sort_key
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opts['sort_dir'] = args.sort_dir
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opts = zun_utils.remove_null_parms(**opts)
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containers = cs.containers.list(**opts)
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zun_utils.list_containers(containers)
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@utils.arg('containers',
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metavar='<container>',
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nargs='+',
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help='ID or name of the (container)s to delete.')
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@utils.arg('-f', '--force',
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action='store_true',
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help='Force delete the container.')
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@utils.arg('--all-tenants',
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action="store_true",
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default=False,
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help='Delete container(s) in all tenant by name.')
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def do_delete(cs, args):
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"""Delete specified containers."""
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for container in args.containers:
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opts = {}
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opts['id'] = container
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opts['force'] = args.force
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opts['all_tenants'] = args.all_tenants
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opts = zun_utils.remove_null_parms(**opts)
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try:
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cs.containers.delete(**opts)
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print("Request to delete container %s has been accepted." %
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container)
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except Exception as e:
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print("Delete for container %(container)s failed: %(e)s" %
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{'container': container, 'e': e})
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@utils.arg('container',
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metavar='<container>',
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help='ID or name of the container to show.')
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@utils.arg('-f', '--format',
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metavar='<format>',
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action='store',
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choices=['json', 'yaml', 'table'],
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default='table',
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help='Print representation of the container.'
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'The choices of the output format is json,table,yaml.'
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'Defaults to table.')
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@utils.arg('--all-tenants',
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action="store_true",
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default=False,
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help='Show container(s) in all tenant by name.')
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def do_show(cs, args):
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"""Show details of a container."""
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opts = {}
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opts['id'] = args.container
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opts['all_tenants'] = args.all_tenants
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opts = zun_utils.remove_null_parms(**opts)
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container = cs.containers.get(**opts)
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if args.format == 'json':
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print(json.dumps(container._info, indent=4, sort_keys=True))
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elif args.format == 'yaml':
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print(yaml.safe_dump(container._info, default_flow_style=False))
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elif args.format == 'table':
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_show_container(container)
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@utils.arg('containers',
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metavar='<container>',
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nargs='+',
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help='ID or name of the (container)s to restart.')
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@utils.arg('-t', '--timeout',
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metavar='<timeout>',
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default=10,
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help='Seconds to wait for stop before restarting (container)s')
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def do_restart(cs, args):
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"""Restart specified containers."""
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for container in args.containers:
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try:
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cs.containers.restart(container, args.timeout)
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print("Request to restart container %s has been accepted." %
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container)
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except Exception as e:
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print("Restart for container %(container)s failed: %(e)s" %
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{'container': container, 'e': e})
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@utils.arg('containers',
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metavar='<container>',
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nargs='+',
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help='ID or name of the (container)s to stop.')
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@utils.arg('-t', '--timeout',
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metavar='<timeout>',
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default=10,
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help='Seconds to wait for stop before killing (container)s')
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def do_stop(cs, args):
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"""Stop specified containers."""
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for container in args.containers:
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try:
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cs.containers.stop(container, args.timeout)
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print("Request to stop container %s has been accepted." %
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container)
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except Exception as e:
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print("Stop for container %(container)s failed: %(e)s" %
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{'container': container, 'e': e})
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@utils.arg('containers',
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metavar='<container>',
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nargs='+',
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help='ID of the (container)s to start.')
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def do_start(cs, args):
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"""Start specified containers."""
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for container in args.containers:
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try:
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cs.containers.start(container)
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print("Request to start container %s has been accepted." %
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container)
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except Exception as e:
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print("Start for container %(container)s failed: %(e)s" %
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{'container': container, 'e': e})
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@utils.arg('containers',
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metavar='<container>',
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nargs='+',
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help='ID or name of the (container)s to pause.')
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def do_pause(cs, args):
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"""Pause specified containers."""
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for container in args.containers:
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try:
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cs.containers.pause(container)
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print("Request to pause container %s has been accepted." %
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container)
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except Exception as e:
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print("Pause for container %(container)s failed: %(e)s" %
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{'container': container, 'e': e})
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@utils.arg('containers',
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metavar='<container>',
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nargs='+',
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help='ID or name of the (container)s to unpause.')
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def do_unpause(cs, args):
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"""Unpause specified containers."""
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for container in args.containers:
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try:
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cs.containers.unpause(container)
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print("Request to unpause container %s has been accepted." %
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container)
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except Exception as e:
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print("Unpause for container %(container)s failed: %(e)s" %
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{'container': container, 'e': e})
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@utils.arg('container',
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metavar='<container>',
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help='ID or name of the container to get logs for.')
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@utils.arg('--stdout',
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action='store_true',
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help='Only stdout logs of container.')
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@utils.arg('--stderr',
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action='store_true',
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help='Only stderr logs of container.')
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@utils.arg('--since',
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metavar='<since>',
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default=None,
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help='Show logs since a given datetime or integer '
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'epoch (in seconds).')
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@utils.arg('-t', '--timestamps',
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dest='timestamps',
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action='store_true',
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default=False,
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help='Show timestamps.')
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@utils.arg('--tail',
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metavar='<tail>',
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default='all',
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help='Number of lines to show from the end of the logs.')
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def do_logs(cs, args):
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"""Get logs of a container."""
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opts = {}
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opts['id'] = args.container
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opts['stdout'] = args.stdout
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opts['stderr'] = args.stderr
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opts['since'] = args.since
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opts['timestamps'] = args.timestamps
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opts['tail'] = args.tail
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opts = zun_utils.remove_null_parms(**opts)
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logs = cs.containers.logs(**opts)
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print(logs)
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@utils.arg('container',
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metavar='<container>',
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help='ID or name of the container to execute command in.')
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@utils.arg('command',
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metavar='<command>',
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nargs=argparse.REMAINDER,
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help='The command to execute in a container')
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@utils.arg('-i', '--interactive',
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dest='interactive',
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action='store_true',
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default=False,
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help='Keep STDIN open and allocate a pseudo-TTY for interactive')
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def do_exec(cs, args):
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"""Execute command in a running container."""
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opts = {}
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opts['command'] = zun_utils.parse_command(args.command)
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if args.interactive:
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opts['interactive'] = True
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opts['run'] = False
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response = cs.containers.execute(args.container, **opts)
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if args.interactive:
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exec_id = response['exec_id']
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url = response['url']
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websocketclient.do_exec(cs, url, args.container, exec_id, "~", 0.5)
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else:
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output = response['output']
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exit_code = response['exit_code']
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print(output)
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return exit_code
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@utils.arg('containers',
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metavar='<container>',
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nargs='+',
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help='ID or name of the (container)s to kill signal to.')
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@utils.arg('-s', '--signal',
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metavar='<signal>',
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default=None,
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help='The signal to kill')
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def do_kill(cs, args):
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"""Kill one or more running container(s)."""
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for container in args.containers:
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opts = {}
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opts['id'] = container
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opts['signal'] = args.signal
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opts = zun_utils.remove_null_parms(**opts)
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try:
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cs.containers.kill(**opts)
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print(
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"Request to kill signal to container %s has been accepted." %
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container)
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except Exception as e:
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print(
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"kill signal for container %(container)s failed: %(e)s" %
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{'container': container, 'e': e})
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@utils.arg('-n', '--name',
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metavar='<name>',
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help='name of the container')
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@utils.arg('--cpu',
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metavar='<cpu>',
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help='The number of virtual cpus.')
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@utils.arg('-m', '--memory',
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metavar='<memory>',
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help='The container memory size in MiB')
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@utils.arg('-e', '--environment',
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metavar='<KEY=VALUE>',
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action='append', default=[],
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help='The environment variables')
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@utils.arg('--workdir',
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metavar='<workdir>',
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help='The working directory for commands to run in')
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@utils.arg('--rm',
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action='store_true',
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help='Automatically remove the container when it exits')
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@utils.arg('--label',
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metavar='<KEY=VALUE>',
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action='append', default=[],
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help='Adds a map of labels to a container. '
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'May be used multiple times.')
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@utils.arg('--image-pull-policy',
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dest='image_pull_policy',
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metavar='<policy>',
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choices=['never', 'always', 'ifnotpresent'],
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help='The policy which determines if the image should '
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'be pulled prior to starting the container. '
|
|
'It can have following values: '
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'"ifnotpresent": only pull the image if it does not '
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'already exist on the node. '
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'"always": Always pull the image from repository.'
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'"never": never pull the image')
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@utils.arg('image', metavar='<image>', help='name or ID of the image')
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@utils.arg('--restart',
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metavar='<restart>',
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help='Restart policy to apply when a container exits'
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'(no, on-failure[:max-retry], always, unless-stopped)')
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@utils.arg('-i', '--interactive',
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dest='interactive',
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action='store_true',
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default=False,
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help='Keep STDIN open even if not attached, allocate a pseudo-TTY')
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@utils.arg('--image-driver',
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metavar='<image_driver>',
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help='The image driver to use to pull container image. '
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'It can have following values: '
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'"docker": pull the image from Docker Hub. '
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'"glance": pull the image from Glance. ')
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@utils.arg('--security-group',
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metavar='security-group',
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action='append', default=[],
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help='The name of security group for the container. '
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'May be used multiple times.')
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@utils.arg('command',
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metavar='<command>',
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nargs=argparse.REMAINDER,
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help='Send command to the container')
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@utils.arg('--hint',
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action='append',
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default=[],
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metavar='<key=value>',
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help='The key-value pair(s) for scheduler to select host. '
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'The format of this parameter is "key=value[,key=value]". '
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'May be used multiple times.')
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@utils.arg('--net',
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action='append',
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default=[],
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metavar='<auto, network=network, port=port-uuid,'
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'v4-fixed-ip=ip-addr,v6-fixed-ip=ip-addr>',
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help='Create network enpoints for the container. '
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'auto: do not specify the network, zun will automatically '
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'create one. '
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'network: attach container to the specified neutron networks. '
|
|
'port: attach container to the neutron port with this UUID. '
|
|
'v4-fixed-ip: IPv4 fixed address for container. '
|
|
'v6-fixed-ip: IPv6 fixed address for container.')
|
|
def do_run(cs, args):
|
|
"""Run a command in a new container."""
|
|
opts = {}
|
|
opts['name'] = args.name
|
|
opts['image'] = args.image
|
|
opts['memory'] = args.memory
|
|
opts['cpu'] = args.cpu
|
|
opts['environment'] = zun_utils.format_args(args.environment)
|
|
opts['workdir'] = args.workdir
|
|
opts['auto_remove'] = args.rm
|
|
opts['labels'] = zun_utils.format_args(args.label)
|
|
opts['image_pull_policy'] = args.image_pull_policy
|
|
opts['image_driver'] = args.image_driver
|
|
opts['hints'] = zun_utils.format_args(args.hint)
|
|
opts['nets'] = zun_utils.parse_nets(args.net)
|
|
|
|
if args.security_group:
|
|
opts['security_groups'] = args.security_group
|
|
if args.command:
|
|
opts['command'] = zun_utils.parse_command(args.command)
|
|
if args.restart:
|
|
opts['restart_policy'] = zun_utils.check_restart_policy(args.restart)
|
|
if args.interactive:
|
|
opts['interactive'] = True
|
|
opts = zun_utils.remove_null_parms(**opts)
|
|
container = cs.containers.run(**opts)
|
|
_show_container(container)
|
|
container_uuid = getattr(container, 'uuid', None)
|
|
if args.interactive:
|
|
ready_for_attach = False
|
|
while True:
|
|
container = cs.containers.get(container_uuid)
|
|
if zun_utils.check_container_status(container, 'Running'):
|
|
ready_for_attach = True
|
|
break
|
|
if zun_utils.check_container_status(container, 'Error'):
|
|
raise exceptions.ContainerStateError(container_uuid)
|
|
print("Waiting for container start")
|
|
time.sleep(1)
|
|
if ready_for_attach is True:
|
|
response = cs.containers.attach(container_uuid)
|
|
websocketclient.do_attach(cs, response, container_uuid, "~", 0.5)
|
|
else:
|
|
raise exceptions.InvalidWebSocketLink(container_uuid)
|
|
|
|
|
|
@utils.arg('container',
|
|
metavar='<container>',
|
|
help='ID or name of the container to rename.')
|
|
@utils.arg('name',
|
|
metavar='<name>',
|
|
help='The new name for the container')
|
|
def do_rename(cs, args):
|
|
"""Rename a container."""
|
|
cs.containers.rename(args.container, args.name)
|
|
|
|
|
|
@utils.arg('container',
|
|
metavar='<container>',
|
|
help="ID or name of the container to update.")
|
|
@utils.arg('--cpu',
|
|
metavar='<cpu>',
|
|
help='The number of virtual cpus.')
|
|
@utils.arg('-m', '--memory',
|
|
metavar='<memory>',
|
|
help='The container memory size in MiB')
|
|
def do_update(cs, args):
|
|
"""Update one or more attributes of the container."""
|
|
opts = {}
|
|
opts['memory'] = args.memory
|
|
opts['cpu'] = args.cpu
|
|
opts = zun_utils.remove_null_parms(**opts)
|
|
if not opts:
|
|
raise exc.CommandError("You must update at least one property")
|
|
container = cs.containers.update(args.container, **opts)
|
|
_show_container(container)
|
|
|
|
|
|
@utils.arg('container',
|
|
metavar='<container>',
|
|
help='ID or name of the container to be attached to.')
|
|
def do_attach(cs, args):
|
|
"""Attach to a running container."""
|
|
response = cs.containers.attach(args.container)
|
|
websocketclient.do_attach(cs, response, args.container, "~", 0.5)
|
|
|
|
|
|
@utils.arg('container',
|
|
metavar='<container>',
|
|
help='ID or name of the container to display processes.')
|
|
@utils.arg('ps_args',
|
|
metavar='<ps_args>',
|
|
nargs=argparse.REMAINDER,
|
|
help='The args of the ps command.')
|
|
def do_top(cs, args):
|
|
"""Display the running processes inside the container."""
|
|
output = cs.containers.top(args.container, ' '.join(args.ps_args))
|
|
for titles in output['Titles']:
|
|
print("%-20s") % titles,
|
|
for process in output['Processes']:
|
|
print("")
|
|
for info in process:
|
|
print("%-20s") % info,
|
|
|
|
|
|
@utils.arg('source',
|
|
metavar='<source>',
|
|
help='The source should be copied to the container or localhost. '
|
|
'The format of this parameter is [container:]src_path.')
|
|
@utils.arg('destination',
|
|
metavar='<destination>',
|
|
help='The directory destination where save the source. '
|
|
'The format of this parameter is [container:]dest_path.')
|
|
def do_cp(cs, args):
|
|
"""Copy files/tars between a container and the local filesystem."""
|
|
if ':' in args.source:
|
|
source_parts = args.source.split(':', 1)
|
|
container_id = source_parts[0]
|
|
container_path = source_parts[1]
|
|
opts = {}
|
|
opts['id'] = container_id
|
|
opts['path'] = container_path
|
|
|
|
res = cs.containers.get_archive(**opts)
|
|
dest_path = args.destination
|
|
tardata = io.BytesIO(res['data'].encode())
|
|
with closing(tarfile.open(fileobj=tardata)) as tar:
|
|
tar.extractall(dest_path)
|
|
|
|
elif ':' in args.destination:
|
|
dest_parts = args.destination.split(':', 1)
|
|
container_id = dest_parts[0]
|
|
container_path = dest_parts[1]
|
|
filename = os.path.split(args.source)[1]
|
|
opts = {}
|
|
opts['id'] = container_id
|
|
opts['path'] = container_path
|
|
tardata = io.BytesIO()
|
|
with closing(tarfile.open(fileobj=tardata, mode='w')) as tar:
|
|
tar.add(args.source, arcname=filename)
|
|
opts['data'] = tardata.getvalue()
|
|
cs.containers.put_archive(**opts)
|
|
|
|
else:
|
|
print("Please check the parameters for zun copy!")
|
|
print("Usage:")
|
|
print("zun cp container:src_path dest_path|-")
|
|
print("zun cp src_path|- container:dest_path")
|
|
|
|
|
|
@utils.arg('container',
|
|
metavar='<container>',
|
|
help='ID or name of the container to display stats.')
|
|
def do_stats(cs, args):
|
|
"""Display stats snapshot of the container."""
|
|
stats_info = cs.containers.stats(args.container)
|
|
utils.print_dict(stats_info)
|
|
|
|
|
|
@utils.arg('container',
|
|
metavar='<container>',
|
|
help='ID or name of the container to commit.')
|
|
@utils.arg('--repository',
|
|
metavar='<repository>',
|
|
required=True,
|
|
help='The repository of the image.')
|
|
@utils.arg('--tag',
|
|
metavar='<tag>',
|
|
help='The tag of the image')
|
|
def do_commit(cs, args):
|
|
"""Create a new image from a container's changes."""
|
|
opts = {}
|
|
if args.repository is not None:
|
|
opts['repository'] = args.repository
|
|
if args.tag is not None:
|
|
opts['tag'] = args.tag
|
|
try:
|
|
image = cs.containers.commit(args.container, **opts)
|
|
print("Request to commit container %s has been accepted. "
|
|
"The image is %s." % (args.container, image))
|
|
except Exception as e:
|
|
print("Commit for container %(container)s failed: %(e)s" %
|
|
{'container': args.container, 'e': e})
|
|
|
|
|
|
@utils.arg('container',
|
|
metavar='<container>',
|
|
help='ID or name of the container to add security group.')
|
|
@utils.arg('security_group',
|
|
metavar='<security_group>',
|
|
help='The security group for specified container.')
|
|
def do_add_security_group(cs, args):
|
|
"""Add security group for specified container."""
|
|
opts = {}
|
|
opts['id'] = args.container
|
|
opts['security_group'] = args.security_group
|
|
opts = zun_utils.remove_null_parms(**opts)
|
|
try:
|
|
cs.containers.add_security_group(**opts)
|
|
print("Request to add security group for container %s "
|
|
"has been accepted." % args.container)
|
|
except Exception as e:
|
|
print("Add security group for container %(container)s "
|
|
"failed: %(e)s" % {'container': args.container, 'e': e})
|