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# Copyright 2015 iWeb Technologies Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
"""Volume v1 QoS action implementations"""
import logging
from osc_lib.cli import format_columns
from osc_lib.cli import parseractions
from osc_lib.command import command
from osc_lib import exceptions
from osc_lib import utils
from openstackclient.i18n import _
LOG = logging.getLogger(__name__)
class AssociateQos(command.Command):
_description = _("Associate a QoS specification to a volume type")
def get_parser(self, prog_name):
parser = super().get_parser(prog_name)
parser.add_argument(
'qos_spec',
metavar='<qos-spec>',
help=_('QoS specification to modify (name or ID)'),
)
parser.add_argument(
'volume_type',
metavar='<volume-type>',
help=_('Volume type to associate the QoS (name or ID)'),
)
return parser
def take_action(self, parsed_args):
volume_client = self.app.client_manager.volume
qos_spec = utils.find_resource(
volume_client.qos_specs, parsed_args.qos_spec
)
volume_type = utils.find_resource(
volume_client.volume_types, parsed_args.volume_type
)
volume_client.qos_specs.associate(qos_spec.id, volume_type.id)
class CreateQos(command.ShowOne):
_description = _("Create new QoS specification")
def get_parser(self, prog_name):
parser = super().get_parser(prog_name)
parser.add_argument(
'name',
metavar='<name>',
help=_('New QoS specification name'),
)
consumer_choices = ['front-end', 'back-end', 'both']
parser.add_argument(
'--consumer',
metavar='<consumer>',
choices=consumer_choices,
default='both',
help=(
_(
'Consumer of the QoS. Valid consumers: %s '
"(defaults to 'both')"
)
% utils.format_list(consumer_choices)
),
)
parser.add_argument(
'--property',
metavar='<key=value>',
action=parseractions.KeyValueAction,
help=_(
'Set a QoS specification property '
'(repeat option to set multiple properties)'
),
)
return parser
def take_action(self, parsed_args):
volume_client = self.app.client_manager.volume
specs = {}
specs.update({'consumer': parsed_args.consumer})
if parsed_args.property:
specs.update(parsed_args.property)
qos_spec = volume_client.qos_specs.create(parsed_args.name, specs)
qos_spec._info.update(
{
'properties': format_columns.DictColumn(
qos_spec._info.pop('specs')
)
}
)
return zip(*sorted(qos_spec._info.items()))
class DeleteQos(command.Command):
_description = _("Delete QoS specification")
def get_parser(self, prog_name):
parser = super().get_parser(prog_name)
parser.add_argument(
'qos_specs',
metavar='<qos-spec>',
nargs="+",
help=_('QoS specification(s) to delete (name or ID)'),
)
parser.add_argument(
'--force',
action='store_true',
default=False,
help=_("Allow to delete in-use QoS specification(s)"),
)
return parser
def take_action(self, parsed_args):
volume_client = self.app.client_manager.volume
result = 0
for i in parsed_args.qos_specs:
try:
qos_spec = utils.find_resource(volume_client.qos_specs, i)
volume_client.qos_specs.delete(qos_spec.id, parsed_args.force)
except Exception as e:
result += 1
LOG.error(
_(
"Failed to delete QoS specification with "
"name or ID '%(qos)s': %(e)s"
),
{'qos': i, 'e': e},
)
if result > 0:
total = len(parsed_args.qos_specs)
msg = _(
"%(result)s of %(total)s QoS specifications failed"
" to delete."
) % {'result': result, 'total': total}
raise exceptions.CommandError(msg)
class DisassociateQos(command.Command):
_description = _("Disassociate a QoS specification from a volume type")
def get_parser(self, prog_name):
parser = super().get_parser(prog_name)
parser.add_argument(
'qos_spec',
metavar='<qos-spec>',
help=_('QoS specification to modify (name or ID)'),
)
volume_type_group = parser.add_mutually_exclusive_group()
volume_type_group.add_argument(
'--volume-type',
metavar='<volume-type>',
help=_('Volume type to disassociate the QoS from (name or ID)'),
)
volume_type_group.add_argument(
'--all',
action='store_true',
default=False,
help=_('Disassociate the QoS from every volume type'),
)
return parser
def take_action(self, parsed_args):
volume_client = self.app.client_manager.volume
qos_spec = utils.find_resource(
volume_client.qos_specs, parsed_args.qos_spec
)
if parsed_args.volume_type:
volume_type = utils.find_resource(
volume_client.volume_types, parsed_args.volume_type
)
volume_client.qos_specs.disassociate(qos_spec.id, volume_type.id)
elif parsed_args.all:
volume_client.qos_specs.disassociate_all(qos_spec.id)
class ListQos(command.Lister):
_description = _("List QoS specifications")
def take_action(self, parsed_args):
volume_client = self.app.client_manager.volume
qos_specs_list = volume_client.qos_specs.list()
for qos in qos_specs_list:
try:
qos_associations = volume_client.qos_specs.get_associations(
qos,
)
if qos_associations:
associations = [
association.name for association in qos_associations
]
qos._info.update({'associations': associations})
except Exception as ex:
if type(ex).__name__ == 'NotFound':
qos._info.update({'associations': None})
else:
raise
display_columns = (
'ID',
'Name',
'Consumer',
'Associations',
'Properties',
)
columns = ('ID', 'Name', 'Consumer', 'Associations', 'Specs')
return (
display_columns,
(
utils.get_dict_properties(
s._info,
columns,
formatters={
'Specs': format_columns.DictColumn,
'Associations': format_columns.ListColumn,
},
)
for s in qos_specs_list
),
)
class SetQos(command.Command):
_description = _("Set QoS specification properties")
def get_parser(self, prog_name):
parser = super().get_parser(prog_name)
parser.add_argument(
'qos_spec',
metavar='<qos-spec>',
help=_('QoS specification to modify (name or ID)'),
)
parser.add_argument(
'--no-property',
dest='no_property',
action='store_true',
help=_(
'Remove all properties from <qos-spec> '
'(specify both --no-property and --property to remove the '
'current properties before setting new properties)'
),
)
parser.add_argument(
'--property',
metavar='<key=value>',
action=parseractions.KeyValueAction,
help=_(
'Property to add or modify for this QoS specification '
'(repeat option to set multiple properties)'
),
)
return parser
def take_action(self, parsed_args):
volume_client = self.app.client_manager.volume
qos_spec = utils.find_resource(
volume_client.qos_specs, parsed_args.qos_spec
)
result = 0
if parsed_args.no_property:
try:
key_list = list(qos_spec._info['specs'].keys())
volume_client.qos_specs.unset_keys(qos_spec.id, key_list)
except Exception as e:
LOG.error(_("Failed to clean qos properties: %s"), e)
result += 1
if parsed_args.property:
try:
volume_client.qos_specs.set_keys(
qos_spec.id,
parsed_args.property,
)
except Exception as e:
LOG.error(_("Failed to set qos property: %s"), e)
result += 1
if result > 0:
raise exceptions.CommandError(
_("One or more of the set operations failed")
)
class ShowQos(command.ShowOne):
_description = _("Display QoS specification details")
def get_parser(self, prog_name):
parser = super().get_parser(prog_name)
parser.add_argument(
'qos_spec',
metavar='<qos-spec>',
help=_('QoS specification to display (name or ID)'),
)
return parser
def take_action(self, parsed_args):
volume_client = self.app.client_manager.volume
qos_spec = utils.find_resource(
volume_client.qos_specs, parsed_args.qos_spec
)
qos_associations = volume_client.qos_specs.get_associations(qos_spec)
if qos_associations:
associations = [
association.name for association in qos_associations
]
qos_spec._info.update(
{'associations': format_columns.ListColumn(associations)}
)
qos_spec._info.update(
{
'properties': format_columns.DictColumn(
qos_spec._info.pop('specs')
)
}
)
return zip(*sorted(qos_spec._info.items()))
class UnsetQos(command.Command):
_description = _("Unset QoS specification properties")
def get_parser(self, prog_name):
parser = super().get_parser(prog_name)
parser.add_argument(
'qos_spec',
metavar='<qos-spec>',
help=_('QoS specification to modify (name or ID)'),
)
parser.add_argument(
'--property',
metavar='<key>',
action='append',
help=_(
'Property to remove from the QoS specification. '
'(repeat option to unset multiple properties)'
),
)
return parser
def take_action(self, parsed_args):
volume_client = self.app.client_manager.volume
qos_spec = utils.find_resource(
volume_client.qos_specs, parsed_args.qos_spec
)
if parsed_args.property:
volume_client.qos_specs.unset_keys(
qos_spec.id, parsed_args.property
)
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