a2da920ef4
This change adds database support to python-openstackclient
project for the cluster-grow and cluster-shrink commands.
The trove command cluster-grow is now:
openstack database cluster grow
The trove command cluster-shrink is now:
openstack database cluster shrink
Change-Id: I449e7f7d841ea266611ff79f8a41f6e730fced3c
Partially-Implements: blueprint trove-support-in-python-openstackclient
Signed-off-by: Zhao Chao <zhaochao1984@gmail.com>
350 lines
12 KiB
Python
350 lines
12 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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"""Database v1 Clusters action implementations"""
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from osc_lib.command import command
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from osc_lib import exceptions
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from osc_lib import utils
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import six
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from troveclient.i18n import _
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from troveclient.v1.shell import _parse_instance_options
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from troveclient.v1.shell import INSTANCE_HELP
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from troveclient.v1.shell import INSTANCE_METAVAR
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def set_attributes_for_print_detail(cluster):
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info = cluster._info.copy()
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if hasattr(cluster, 'datastore'):
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info['datastore'] = cluster.datastore['type']
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info['datastore_version'] = cluster.datastore['version']
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if hasattr(cluster, 'task'):
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info['task_description'] = cluster.task['description']
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info['task_name'] = cluster.task['name']
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info.pop('task', None)
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if hasattr(cluster, 'ip'):
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info['ip'] = ', '.join(cluster.ip)
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instances = info.pop('instances', None)
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if instances:
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info['instance_count'] = len(instances)
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info.pop('links', None)
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return info
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class ListDatabaseClusters(command.Lister):
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_description = _("List database clusters")
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columns = ['ID', 'Name', 'Datastore', 'Datastore Version',
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'Task Name']
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def get_parser(self, prog_name):
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parser = super(ListDatabaseClusters, self).get_parser(prog_name)
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parser.add_argument(
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'--limit',
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dest='limit',
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metavar='<limit>',
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type=int,
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default=None,
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help=_('Limit the number of results displayed.')
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)
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parser.add_argument(
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'--marker',
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dest='marker',
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metavar='<ID>',
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type=str,
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default=None,
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help=_('Begin displaying the results for IDs greater than the'
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' specified marker. When used with :option:`--limit,` set'
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' this to the last ID displayed in the previous run.')
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)
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return parser
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def take_action(self, parsed_args):
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database_clusters = self.app.client_manager.database.clusters
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clusters = database_clusters.list(limit=parsed_args.limit,
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marker=parsed_args.marker)
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for cluster in clusters:
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setattr(cluster, 'datastore_version',
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cluster.datastore['version'])
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setattr(cluster, 'datastore', cluster.datastore['type'])
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setattr(cluster, 'task_name', cluster.task['name'])
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clusters = [utils.get_item_properties(c, self.columns)
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for c in clusters]
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return self.columns, clusters
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class ShowDatabaseCluster(command.ShowOne):
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_description = _("Shows details of a database cluster")
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def get_parser(self, prog_name):
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parser = super(ShowDatabaseCluster, self).get_parser(prog_name)
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parser.add_argument(
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'cluster',
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metavar='<cluster>',
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help=_('ID or name of the cluster'),
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)
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return parser
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def take_action(self, parsed_args):
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database_clusters = self.app.client_manager.database.clusters
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cluster = utils.find_resource(database_clusters, parsed_args.cluster)
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cluster = set_attributes_for_print_detail(cluster)
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return zip(*sorted(six.iteritems(cluster)))
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class DeleteDatabaseCluster(command.Command):
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_description = _("Deletes a cluster.")
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def get_parser(self, prog_name):
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parser = super(DeleteDatabaseCluster, self).get_parser(prog_name)
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parser.add_argument(
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'cluster',
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metavar='<cluster>',
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help=_('ID or name of the cluster.'),
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)
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return parser
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def take_action(self, parsed_args):
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database_clusters = self.app.client_manager.database.clusters
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try:
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cluster = utils.find_resource(database_clusters,
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parsed_args.cluster)
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database_clusters.delete(cluster)
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except Exception as e:
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msg = (_("Failed to delete cluster %(cluster)s: %(e)s")
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% {'cluster': parsed_args.cluster, 'e': e})
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raise exceptions.CommandError(msg)
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class CreateDatabaseCluster(command.ShowOne):
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_description = _("Creates a new database cluster.")
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def get_parser(self, prog_name):
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parser = super(CreateDatabaseCluster, self).get_parser(prog_name)
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parser.add_argument(
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'name',
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metavar='<name>',
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type=str,
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help=_('Name of the cluster.'),
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)
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parser.add_argument(
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'datastore',
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metavar='<datastore>',
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help=_('A datastore name or ID.'),
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)
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parser.add_argument(
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'datastore_version',
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metavar='<datastore_version>',
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help=_('A datastore version name or ID.'),
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)
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parser.add_argument(
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'--instance',
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metavar=INSTANCE_METAVAR,
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action='append',
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dest='instances',
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default=[],
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help=INSTANCE_HELP,
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)
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parser.add_argument(
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'--locality',
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metavar='<policy>',
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default=None,
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choices=['affinity', 'anti-affinity'],
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help=_('Locality policy to use when creating cluster. '
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'Choose one of %(choices)s.'),
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)
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return parser
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def take_action(self, parsed_args):
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database = self.app.client_manager.database
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instances = _parse_instance_options(database, parsed_args.instances)
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cluster = database.clusters.create(parsed_args.name,
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parsed_args.datastore,
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parsed_args.datastore_version,
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instances=instances,
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locality=parsed_args.locality)
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cluster = set_attributes_for_print_detail(cluster)
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return zip(*sorted(six.iteritems(cluster)))
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class ResetDatabaseClusterStatus(command.Command):
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_description = _("Set the cluster task to NONE.")
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def get_parser(self, prog_name):
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parser = super(ResetDatabaseClusterStatus, self).get_parser(prog_name)
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parser.add_argument(
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'cluster',
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metavar='<cluster>',
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help=_('ID or name of the cluster.'),
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)
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return parser
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def take_action(self, parsed_args):
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database_clusters = self.app.client_manager.database.clusters
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cluster = utils.find_resource(database_clusters,
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parsed_args.cluster)
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database_clusters.reset_status(cluster)
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class ListDatabaseClusterInstances(command.Lister):
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_description = _("Lists all instances of a cluster.")
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columns = ['ID', 'Name', 'Flavor ID', 'Size', 'Status']
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def get_parser(self, prog_name):
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parser = (super(ListDatabaseClusterInstances, self)
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.get_parser(prog_name))
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parser.add_argument(
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'cluster',
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metavar='<cluster>',
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help=_('ID or name of the cluster.'))
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return parser
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def take_action(self, parsed_args):
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database_clusters = self.app.client_manager.database.clusters
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cluster = utils.find_resource(database_clusters, parsed_args.cluster)
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instances = cluster._info['instances']
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for instance in instances:
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instance['flavor_id'] = instance['flavor']['id']
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if instance.get('volume'):
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instance['size'] = instance['volume']['size']
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instances = [utils.get_dict_properties(inst, self.columns)
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for inst in instances]
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return self.columns, instances
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class UpgradeDatabaseCluster(command.Command):
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_description = _("Upgrades a cluster to a new datastore version.")
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def get_parser(self, prog_name):
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parser = super(UpgradeDatabaseCluster, self).get_parser(prog_name)
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parser.add_argument(
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'cluster',
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metavar='<cluster>',
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help=_('ID or name of the cluster.'),
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)
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parser.add_argument(
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'datastore_version',
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metavar='<datastore_version>',
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help=_('A datastore version name or ID.'),
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)
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return parser
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def take_action(self, parsed_args):
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database_clusters = self.app.client_manager.database.clusters
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cluster = utils.find_resource(database_clusters,
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parsed_args.cluster)
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database_clusters.upgrade(cluster, parsed_args.datastore_version)
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class ForceDeleteDatabaseCluster(command.Command):
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_description = _("Force delete a cluster.")
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def get_parser(self, prog_name):
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parser = super(ForceDeleteDatabaseCluster, self).get_parser(prog_name)
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parser.add_argument(
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'cluster',
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metavar='<cluster>',
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help=_('ID or name of the cluster.'),
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)
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return parser
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def take_action(self, parsed_args):
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database_clusters = self.app.client_manager.database.clusters
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cluster = utils.find_resource(database_clusters,
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parsed_args.cluster)
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database_clusters.reset_status(cluster)
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try:
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database_clusters.delete(cluster)
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except Exception as e:
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msg = (_("Failed to delete cluster %(cluster)s: %(e)s")
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% {'cluster': parsed_args.cluster, 'e': e})
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raise exceptions.CommandError(msg)
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class GrowDatabaseCluster(command.Command):
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_description = _("Adds more instances to a cluster.")
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def get_parser(self, prog_name):
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parser = super(GrowDatabaseCluster, self).get_parser(prog_name)
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parser.add_argument(
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'--instance',
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metavar=INSTANCE_METAVAR,
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action='append',
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dest='instances',
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default=[],
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help=INSTANCE_HELP
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)
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parser.add_argument(
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'cluster',
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metavar='<cluster>',
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help=_('ID or name of the cluster.')
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)
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return parser
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def take_action(self, parsed_args):
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database_client_manager = self.app.client_manager.database
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db_clusters = database_client_manager.clusters
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cluster = utils.find_resource(db_clusters,
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parsed_args.cluster)
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instances = _parse_instance_options(database_client_manager,
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parsed_args.instances,
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for_grow=True)
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db_clusters.grow(cluster, instances=instances)
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class ShrinkDatabaseCluster(command.Command):
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_description = _("Drops instances from a cluster.")
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def get_parser(self, prog_name):
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parser = super(ShrinkDatabaseCluster, self).get_parser(prog_name)
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parser.add_argument(
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'cluster',
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metavar='<cluster>',
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help=_('ID or name of the cluster.')
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)
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parser.add_argument(
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'instances',
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metavar='<instance>',
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nargs='+',
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default=[],
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help=_("Drop instance(s) from the cluster. Specify "
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"multiple ids to drop multiple instances.")
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)
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return parser
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def take_action(self, parsed_args):
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database_client_manager = self.app.client_manager.database
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db_clusters = database_client_manager.clusters
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cluster = utils.find_resource(db_clusters,
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parsed_args.cluster)
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db_instances = database_client_manager.instances
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instances = [
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{'id': utils.find_resource(db_instances,
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instance).id}
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for instance in parsed_args.instances
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]
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db_clusters.shrink(cluster, instances)
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