92 lines
2.9 KiB
Python
92 lines
2.9 KiB
Python
# 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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"""
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migration interface
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"""
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from six.moves.urllib import parse
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from novaclient import base
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from novaclient.i18n import _
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from novaclient.openstack.common import cliutils
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from novaclient import utils
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class Migration(base.Resource):
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def __repr__(self):
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return "<Migration: %s>" % self.id
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class MigrationManager(base.ManagerWithFind):
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resource_class = Migration
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def list(self, host=None, status=None, cell_name=None):
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"""
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Get a list of migrations.
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:param host: (optional) filter migrations by host name.
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:param status: (optional) filter migrations by status.
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:param cell_name: (optional) filter migrations for a cell.
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"""
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opts = {}
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if host:
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opts['host'] = host
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if status:
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opts['status'] = status
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if cell_name:
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opts['cell_name'] = cell_name
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# Transform the dict to a sequence of two-element tuples in fixed
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# order, then the encoded string will be consistent in Python 2&3.
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new_opts = sorted(opts.items(), key=lambda x: x[0])
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query_string = "?%s" % parse.urlencode(new_opts) if new_opts else ""
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return self._list("/os-migrations%s" % query_string, "migrations")
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@cliutils.arg(
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'--host',
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dest='host',
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metavar='<host>',
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help=_('Fetch migrations for the given host.'))
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@cliutils.arg(
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'--status',
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dest='status',
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metavar='<status>',
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help=_('Fetch migrations for the given status.'))
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@cliutils.arg(
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'--cell_name',
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dest='cell_name',
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metavar='<cell_name>',
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help=_('Fetch migrations for the given cell_name.'))
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def do_migration_list(cs, args):
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"""Print a list of migrations."""
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_print_migrations(cs.migrations.list(args.host, args.status,
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args.cell_name))
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def _print_migrations(migrations):
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fields = ['Source Node', 'Dest Node', 'Source Compute', 'Dest Compute',
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'Dest Host', 'Status', 'Instance UUID', 'Old Flavor',
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'New Flavor', 'Created At', 'Updated At']
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def old_flavor(migration):
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return migration.old_instance_type_id
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def new_flavor(migration):
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return migration.new_instance_type_id
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formatters = {'Old Flavor': old_flavor, 'New Flavor': new_flavor}
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utils.print_list(migrations, fields, formatters)
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