706 lines
22 KiB
Python
706 lines
22 KiB
Python
# Copyright 2010 Jacob Kaplan-Moss
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# Copyright 2011 OpenStack LLC.
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# 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 getpass
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import os
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from novaclient import exceptions
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from novaclient import utils
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from novaclient.v1_1 import client
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from novaclient.v1_1 import servers
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CLIENT_CLASS = client.Client
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AUTO_KEY = object()
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def _boot(cs, args, reservation_id=None, min_count=None, max_count=None):
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"""Boot a new server."""
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if min_count is None:
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min_count = 1
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if max_count is None:
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max_count = min_count
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if min_count > max_count:
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raise exceptions.CommandError("min_instances should be <= "
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"max_instances")
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if not min_count or not max_count:
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raise exceptions.CommandError("min_instances nor max_instances should"
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"be 0")
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if not args.image:
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raise exceptions.CommandError("you need to specify a Image ID ")
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if not args.flavor:
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raise exceptions.CommandError("you need to specify a Flavor ID ")
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flavor = args.flavor
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image = args.image
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metadata = dict(v.split('=') for v in args.meta)
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files = {}
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for f in args.files:
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dst, src = f.split('=', 1)
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try:
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files[dst] = open(src)
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except IOError, e:
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raise exceptions.CommandError("Can't open '%s': %s" % (src, e))
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if args.key is AUTO_KEY:
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possible_keys = [os.path.join(os.path.expanduser('~'), '.ssh', k)
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for k in ('id_dsa.pub', 'id_rsa.pub')]
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for k in possible_keys:
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if os.path.exists(k):
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keyfile = k
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break
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else:
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raise exceptions.CommandError("Couldn't find a key file: tried "
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"~/.ssh/id_dsa.pub or ~/.ssh/id_rsa.pub")
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elif args.key:
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keyfile = args.key
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else:
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keyfile = None
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if keyfile:
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try:
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files['/root/.ssh/authorized_keys2'] = open(keyfile)
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except IOError, e:
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raise exceptions.CommandError("Can't open '%s': %s" % (keyfile, e))
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return (args.name, image, flavor, metadata, files,
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reservation_id, min_count, max_count)
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@utils.arg('--flavor',
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default=None,
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metavar='<flavor>',
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help="Flavor ID (see 'nova flavor-list').")
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@utils.arg('--image',
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default=None,
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metavar='<image>',
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help="Image ID (see 'nova image-list'). ")
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@utils.arg('--meta',
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metavar="<key=value>",
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action='append',
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default=[],
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help="Record arbitrary key/value metadata. "\
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"May be give multiple times.")
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@utils.arg('--file',
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metavar="<dst-path=src-path>",
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action='append',
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dest='files',
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default=[],
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help="Store arbitrary files from <src-path> locally to <dst-path> "\
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"on the new server. You may store up to 5 files.")
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@utils.arg('--key',
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metavar='<path>',
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nargs='?',
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const=AUTO_KEY,
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help="Key the server with an SSH keypair. "\
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"Looks in ~/.ssh for a key, "\
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"or takes an explicit <path> to one.")
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@utils.arg('name', metavar='<name>', help='Name for the new server')
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def do_boot(cs, args):
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"""Boot a new server."""
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name, image, flavor, metadata, files, reservation_id, \
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min_count, max_count = _boot(cs, args)
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server = cs.servers.create(args.name, image, flavor,
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meta=metadata,
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files=files,
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min_count=min_count,
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max_count=max_count)
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info = server._info
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flavor = info.get('flavor', {})
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flavor_id = flavor.get('id', '')
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info['flavor'] = _find_flavor(cs, flavor_id).name
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image = info.get('image', {})
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image_id = image.get('id', '')
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info['image'] = _find_image(cs, image_id).name
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info.pop('links', None)
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info.pop('addresses', None)
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utils.print_dict(info)
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@utils.arg('--flavor',
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default=None,
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metavar='<flavor>',
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help="Flavor ID (see 'nova flavor-list')")
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@utils.arg('--image',
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default=None,
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metavar='<image>',
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help="Image ID (see 'nova image-list').")
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@utils.arg('--meta',
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metavar="<key=value>",
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action='append',
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default=[],
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help="Record arbitrary key/value metadata. "\
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"May be give multiple times.")
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@utils.arg('--file',
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metavar="<dst-path=src-path>",
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action='append',
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dest='files',
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default=[],
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help="Store arbitrary files from <src-path> locally to <dst-path> "\
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"on the new server. You may store up to 5 files.")
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@utils.arg('--key',
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metavar='<path>',
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nargs='?',
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const=AUTO_KEY,
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help="Key the server with an SSH keypair. "\
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"Looks in ~/.ssh for a key, "\
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"or takes an explicit <path> to one.")
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@utils.arg('--reservation_id',
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default=None,
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metavar='<reservation_id>',
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help="Reservation ID (a UUID). "\
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"If unspecified will be generated by the server.")
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@utils.arg('--min_instances',
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default=None,
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type=int,
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metavar='<number>',
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help="The minimum number of instances to build. "\
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"Defaults to 1.")
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@utils.arg('--max_instances',
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default=None,
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type=int,
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metavar='<number>',
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help="The maximum number of instances to build. "\
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"Defaults to 'min_instances' setting.")
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@utils.arg('name', metavar='<name>', help='Name for the new server')
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def do_zone_boot(cs, args):
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"""Boot a new server, potentially across Zones."""
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reservation_id = args.reservation_id
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min_count = args.min_instances
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max_count = args.max_instances
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name, image, flavor, metadata, \
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files, reservation_id, min_count, max_count = \
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_boot(cs, args,
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reservation_id=reservation_id,
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min_count=min_count,
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max_count=max_count)
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reservation_id = cs.zones.boot(args.name, image, flavor,
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meta=metadata,
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files=files,
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reservation_id=reservation_id,
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min_count=min_count,
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max_count=max_count)
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print "Reservation ID=", reservation_id
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def _translate_flavor_keys(collection):
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convert = [('ram', 'memory_mb'), ('disk', 'local_gb')]
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for item in collection:
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keys = item.__dict__.keys()
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for from_key, to_key in convert:
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if from_key in keys and to_key not in keys:
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setattr(item, to_key, item._info[from_key])
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def do_flavor_list(cs, args):
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"""Print a list of available 'flavors' (sizes of servers)."""
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flavors = cs.flavors.list()
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_translate_flavor_keys(flavors)
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utils.print_list(flavors, [
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'ID',
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'Name',
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'Memory_MB',
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'Swap',
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'Local_GB',
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'VCPUs',
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'RXTX_Quota',
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'RXTX_Cap'])
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def do_image_list(cs, args):
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"""Print a list of available images to boot from."""
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utils.print_list(cs.images.list(), ['ID', 'Name', 'Status'])
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@utils.arg('image',
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metavar='<image>',
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help="Name or ID of image")
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@utils.arg('action',
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metavar='<action>',
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choices=['set', 'delete'],
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help="Actions: 'set' or 'delete'")
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@utils.arg('metadata',
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metavar='<key=value>',
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nargs='+',
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action='append',
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default=[],
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help='Metadata to add/update or delete (only key is necessary on delete)')
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def do_image_meta(cs, args):
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"""Set or Delete metadata on an image."""
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image = _find_image(cs, args.image)
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metadata = {}
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for metadatum in args.metadata[0]:
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# Can only pass the key in on 'delete'
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# So this doesn't have to have '='
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if metadatum.find('=') > -1:
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(key, value) = metadatum.split('=',1)
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else:
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key = metadatum
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value = None
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metadata[key] = value
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if args.action == 'set':
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cs.images.set_meta(image, metadata)
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elif args.action == 'delete':
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cs.images.delete_meta(image, metadata.keys())
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def _print_image(image):
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links = image.links
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info = image._info.copy()
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info.pop('links')
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utils.print_dict(info)
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@utils.arg('image',
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metavar='<image>',
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help="Name or ID of image")
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def do_image_show(cs, args):
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"""Show details about the given image."""
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image = _find_image(cs, args.image)
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_print_image(image)
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@utils.arg('image', metavar='<image>', help='Name or ID of image.')
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def do_image_delete(cs, args):
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"""
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Delete an image.
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It should go without saying, but you can only delete images you
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created.
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"""
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image = _find_image(cs, args.image)
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image.delete()
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@utils.arg('--reservation_id',
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dest='reservation_id',
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metavar='<reservation_id>',
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default=None,
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help='Only return instances that match reservation_id.')
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@utils.arg('--recurse_zones',
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dest='recurse_zones',
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metavar='<0|1>',
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nargs='?',
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type=int,
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const=1,
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default=0,
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help='Recurse through all zones if set.')
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@utils.arg('--ip',
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dest='ip',
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metavar='<ip_regexp>',
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default=None,
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help='Search with regular expression match by IP address')
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@utils.arg('--ip6',
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dest='ip6',
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metavar='<ip6_regexp>',
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default=None,
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help='Search with regular expression match by IPv6 address')
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@utils.arg('--name',
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dest='name',
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metavar='<name_regexp>',
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default=None,
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help='Search with regular expression match by name')
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@utils.arg('--instance_name',
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dest='instance_name',
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metavar='<name_regexp>',
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default=None,
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help='Search with regular expression match by instance name')
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@utils.arg('--status',
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dest='status',
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metavar='<status>',
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default=None,
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help='Search by server status')
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@utils.arg('--flavor',
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dest='flavor',
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metavar='<flavor>',
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type=int,
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default=None,
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help='Search by flavor ID')
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@utils.arg('--image',
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dest='image',
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metavar='<image>',
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default=None,
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help='Search by image ID')
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@utils.arg('--host',
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dest='host',
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metavar='<hostname>',
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default=None,
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help='Search instances by hostname to which they are assigned')
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def do_list(cs, args):
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"""List active servers."""
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recurse_zones = args.recurse_zones
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search_opts = {
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'reservation_id': args.reservation_id,
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'recurse_zones': recurse_zones,
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'ip': args.ip,
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'ip6': args.ip6,
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'name': args.name,
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'image': args.image,
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'flavor': args.flavor,
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'status': args.status,
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'host': args.host,
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'instance_name': args.instance_name}
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if recurse_zones:
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id_col = 'UUID'
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else:
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id_col = 'ID'
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columns = [id_col, 'Name', 'Status', 'Networks']
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formatters = {'Networks': _format_servers_list_networks}
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utils.print_list(cs.servers.list(search_opts=search_opts), columns,
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formatters)
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def _format_servers_list_networks(server):
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output = []
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for (network, addresses) in server.networks.items():
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if len(addresses) == 0:
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continue
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addresses_csv = ', '.join(addresses)
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group = "%s=%s" % (network, addresses_csv)
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output.append(group)
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return '; '.join(output)
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@utils.arg('--hard',
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dest='reboot_type',
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action='store_const',
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const=servers.REBOOT_HARD,
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default=servers.REBOOT_SOFT,
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help='Perform a hard reboot (instead of a soft one).')
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@utils.arg('server', metavar='<server>', help='Name or ID of server.')
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def do_reboot(cs, args):
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"""Reboot a server."""
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_find_server(cs, args.server).reboot(args.reboot_type)
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@utils.arg('server', metavar='<server>', help='Name or ID of server.')
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@utils.arg('image', metavar='<image>', help="Name or ID of new image.")
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@utils.arg('--password', dest='password', metavar='<password>', default=False,
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help="Set the provided password on the rebuild instance.")
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def do_rebuild(cs, args):
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"""Shutdown, re-image, and re-boot a server."""
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server = _find_server(cs, args.server)
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image = _find_image(cs, args.image)
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if args.password != False:
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_password = args.password
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else:
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_password = None
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s = server.rebuild(image, _password)
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_print_server(cs, s)
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@utils.arg('server', metavar='<server>',
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help='Name (old name) or ID of server.')
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@utils.arg('name', metavar='<name>', help='New name for the server.')
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def do_rename(cs, args):
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"""Rename a server."""
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_find_server(cs, args.server).update(name=args.name)
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@utils.arg('server', metavar='<server>', help='Name or ID of server.')
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@utils.arg('flavor', metavar='<flavor>', help="Name or ID of new flavor.")
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def do_resize(cs, args):
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"""Resize a server."""
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server = _find_server(cs, args.server)
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flavor = _find_flavor(cs, args.flavor)
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server.resize(flavor)
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@utils.arg('server', metavar='<server>', help='Name or ID of server.')
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def do_resize_confirm(cs, args):
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"""Confirm a previous resize."""
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_find_server(cs, args.server).confirm_resize()
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@utils.arg('server', metavar='<server>', help='Name or ID of server.')
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def do_resize_revert(cs, args):
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"""Revert a previous resize (and return to the previous VM)."""
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_find_server(cs, args.server).revert_resize()
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@utils.arg('server', metavar='<server>', help='Name or ID of server.')
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def do_migrate(cs, args):
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"""Migrate a server."""
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_find_server(cs, args.server).migrate()
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@utils.arg('server', metavar='<server>', help='Name or ID of server.')
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def do_pause(cs, args):
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"""Pause a server."""
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_find_server(cs, args.server).pause()
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@utils.arg('server', metavar='<server>', help='Name or ID of server.')
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def do_unpause(cs, args):
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"""Unpause a server."""
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_find_server(cs, args.server).unpause()
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@utils.arg('server', metavar='<server>', help='Name or ID of server.')
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def do_suspend(cs, args):
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"""Suspend a server."""
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_find_server(cs, args.server).suspend()
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@utils.arg('server', metavar='<server>', help='Name or ID of server.')
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def do_resume(cs, args):
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"""Resume a server."""
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_find_server(cs, args.server).resume()
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@utils.arg('server', metavar='<server>', help='Name or ID of server.')
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def do_rescue(cs, args):
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"""Rescue a server."""
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_find_server(cs, args.server).rescue()
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@utils.arg('server', metavar='<server>', help='Name or ID of server.')
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def do_unrescue(cs, args):
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"""Unrescue a server."""
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_find_server(cs, args.server).unrescue()
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@utils.arg('server', metavar='<server>', help='Name or ID of server.')
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def do_diagnostics(cs, args):
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"""Retrieve server diagnostics."""
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utils.print_dict(cs.servers.diagnostics(args.server)[1])
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@utils.arg('server', metavar='<server>', help='Name or ID of server.')
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def do_actions(cs, args):
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"""Retrieve server actions."""
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utils.print_list(
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cs.servers.actions(args.server),
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["Created_At", "Action", "Error"])
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@utils.arg('server', metavar='<server>', help='Name or ID of server.')
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def do_root_password(cs, args):
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"""
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Change the root password for a server.
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"""
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server = _find_server(cs, args.server)
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p1 = getpass.getpass('New password: ')
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|
p2 = getpass.getpass('Again: ')
|
|
if p1 != p2:
|
|
raise exceptions.CommandError("Passwords do not match.")
|
|
server.change_password(p1)
|
|
|
|
|
|
@utils.arg('server', metavar='<server>', help='Name or ID of server.')
|
|
@utils.arg('name', metavar='<name>', help='Name of snapshot.')
|
|
def do_image_create(cs, args):
|
|
"""Create a new image by taking a snapshot of a running server."""
|
|
server = _find_server(cs, args.server)
|
|
cs.servers.create_image(server, args.name)
|
|
|
|
@utils.arg('server',
|
|
metavar='<server>',
|
|
help="Name or ID of server")
|
|
@utils.arg('action',
|
|
metavar='<action>',
|
|
choices=['set', 'delete'],
|
|
help="Actions: 'set' or 'delete'")
|
|
@utils.arg('metadata',
|
|
metavar='<key=value>',
|
|
nargs='+',
|
|
action='append',
|
|
default=[],
|
|
help='Metadata to set or delete (only key is necessary on delete)')
|
|
def do_meta(cs, args):
|
|
"""Set or Delete metadata on a server."""
|
|
server = _find_server(cs, args.server)
|
|
metadata = {}
|
|
for metadatum in args.metadata[0]:
|
|
# Can only pass the key in on 'delete'
|
|
# So this doesn't have to have '='
|
|
if metadatum.find('=') > -1:
|
|
(key, value) = metadatum.split('=',1)
|
|
else:
|
|
key = metadatum
|
|
value = None
|
|
|
|
metadata[key] = value
|
|
|
|
if args.action == 'set':
|
|
cs.servers.set_meta(server, metadata)
|
|
elif args.action == 'delete':
|
|
cs.servers.delete_meta(server, metadata.keys())
|
|
|
|
|
|
def _print_server(cs, server):
|
|
# By default when searching via name we will do a
|
|
# findall(name=blah) and due a REST /details which is not the same
|
|
# as a .get() and doesn't get the information about flavors and
|
|
# images. This fix it as we redo the call with the id which does a
|
|
# .get() to get all informations.
|
|
if not 'flavor' in server._info:
|
|
server = _find_server(cs, server.id)
|
|
|
|
networks = server.networks
|
|
info = server._info.copy()
|
|
for network_label, address_list in networks.items():
|
|
info['%s network' % network_label] = ', '.join(address_list)
|
|
|
|
flavor = info.get('flavor', {})
|
|
flavor_id = flavor.get('id', '')
|
|
info['flavor'] = _find_flavor(cs, flavor_id).name
|
|
|
|
image = info.get('image', {})
|
|
image_id = image.get('id', '')
|
|
info['image'] = _find_image(cs, image_id).name
|
|
|
|
info.pop('links', None)
|
|
info.pop('addresses', None)
|
|
|
|
utils.print_dict(info)
|
|
|
|
|
|
@utils.arg('server', metavar='<server>', help='Name or ID of server.')
|
|
def do_show(cs, args):
|
|
"""Show details about the given server."""
|
|
s = _find_server(cs, args.server)
|
|
_print_server(cs, s)
|
|
|
|
|
|
@utils.arg('server', metavar='<server>', help='Name or ID of server.')
|
|
def do_delete(cs, args):
|
|
"""Immediately shut down and delete a server."""
|
|
_find_server(cs, args.server).delete()
|
|
|
|
|
|
def _find_server(cs, server):
|
|
"""Get a server by name or ID."""
|
|
return utils.find_resource(cs.servers, server)
|
|
|
|
|
|
def _find_image(cs, image):
|
|
"""Get an image by name or ID."""
|
|
return utils.find_resource(cs.images, image)
|
|
|
|
|
|
def _find_flavor(cs, flavor):
|
|
"""Get a flavor by name, ID, or RAM size."""
|
|
try:
|
|
return utils.find_resource(cs.flavors, flavor)
|
|
except exceptions.NotFound:
|
|
return cs.flavors.find(ram=flavor)
|
|
|
|
|
|
# --zone_username is required since --username is already used.
|
|
@utils.arg('zone', metavar='<zone_id>', help='ID of the zone', default=None)
|
|
@utils.arg('--api_url', dest='api_url', default=None, help='New URL.')
|
|
@utils.arg('--zone_username', dest='zone_username', default=None,
|
|
help='New zone username.')
|
|
@utils.arg('--password', dest='password', default=None, help='New password.')
|
|
@utils.arg('--weight_offset', dest='weight_offset', default=None,
|
|
help='Child Zone weight offset.')
|
|
@utils.arg('--weight_scale', dest='weight_scale', default=None,
|
|
help='Child Zone weight scale.')
|
|
def do_zone(cs, args):
|
|
"""Show or edit a child zone. No zone arg for this zone."""
|
|
zone = cs.zones.get(args.zone)
|
|
|
|
# If we have some flags, update the zone
|
|
zone_delta = {}
|
|
if args.api_url:
|
|
zone_delta['api_url'] = args.api_url
|
|
if args.zone_username:
|
|
zone_delta['username'] = args.zone_username
|
|
if args.password:
|
|
zone_delta['password'] = args.password
|
|
if args.weight_offset:
|
|
zone_delta['weight_offset'] = args.weight_offset
|
|
if args.weight_scale:
|
|
zone_delta['weight_scale'] = args.weight_scale
|
|
if zone_delta:
|
|
zone.update(**zone_delta)
|
|
else:
|
|
utils.print_dict(zone._info)
|
|
|
|
|
|
def do_zone_info(cs, args):
|
|
"""Get this zones name and capabilities."""
|
|
zone = cs.zones.info()
|
|
utils.print_dict(zone._info)
|
|
|
|
|
|
@utils.arg('zone_name', metavar='<zone_name>',
|
|
help='Name of the child zone being added.')
|
|
@utils.arg('api_url', metavar='<api_url>', help="URL for the Zone's Auth API")
|
|
@utils.arg('--zone_username', metavar='<zone_username>',
|
|
help='Optional Authentication username. (Default=None)',
|
|
default=None)
|
|
@utils.arg('--password', metavar='<password>',
|
|
help='Authentication password. (Default=None)',
|
|
default=None)
|
|
@utils.arg('--weight_offset', metavar='<weight_offset>',
|
|
help='Child Zone weight offset (Default=0.0))',
|
|
default=0.0)
|
|
@utils.arg('--weight_scale', metavar='<weight_scale>',
|
|
help='Child Zone weight scale (Default=1.0).',
|
|
default=1.0)
|
|
def do_zone_add(cs, args):
|
|
"""Add a new child zone."""
|
|
zone = cs.zones.create(args.zone_name, args.api_url,
|
|
args.zone_username, args.password,
|
|
args.weight_offset, args.weight_scale)
|
|
utils.print_dict(zone._info)
|
|
|
|
|
|
@utils.arg('zone', metavar='<zone>', help='Name or ID of the zone')
|
|
def do_zone_delete(cs, args):
|
|
"""Delete a zone."""
|
|
cs.zones.delete(args.zone)
|
|
|
|
|
|
def do_zone_list(cs, args):
|
|
"""List the children of a zone."""
|
|
utils.print_list(cs.zones.list(), ['ID', 'Name', 'Is Active', \
|
|
'API URL', 'Weight Offset', 'Weight Scale'])
|
|
|
|
|
|
@utils.arg('server', metavar='<server>', help='Name or ID of server.')
|
|
@utils.arg('network_id', metavar='<network_id>', help='Network ID.')
|
|
def do_add_fixed_ip(cs, args):
|
|
"""Add new IP address to network."""
|
|
server = _find_server(cs, args.server)
|
|
server.add_fixed_ip(args.network_id)
|
|
|
|
|
|
@utils.arg('server', metavar='<server>', help='Name or ID of server.')
|
|
@utils.arg('address', metavar='<address>', help='IP Address.')
|
|
def do_remove_fixed_ip(cs, args):
|
|
"""Remove an IP address from a server."""
|
|
server = _find_server(cs, args.server)
|
|
server.remove_fixed_ip(args.address)
|