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#
# 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.
from cliff import command
from cliff import lister
from cliff import show
from gnocchiclient import utils
class CliArchivePolicyList(lister.Lister):
"""List archive policies."""
COLS = ('name',
'back_window', 'definition', 'aggregation_methods')
def take_action(self, parsed_args):
policies = utils.get_client(self).archive_policy.list()
if parsed_args.formatter == 'table':
for ap in policies:
utils.format_archive_policy(ap)
return utils.list2cols(self.COLS, policies)
class CliArchivePolicyShow(show.ShowOne):
"""Show an archive policy."""
def get_parser(self, prog_name):
parser = super(CliArchivePolicyShow, self).get_parser(prog_name)
parser.add_argument("name",
help="Name of the archive policy")
return parser
def take_action(self, parsed_args):
ap = utils.get_client(self).archive_policy.get(
name=parsed_args.name)
if parsed_args.formatter == 'table':
utils.format_archive_policy(ap)
return self.dict2columns(ap)
def archive_policy_definition(string):
parts = string.split(",")
defs = {}
for part in parts:
attr, __, value = part.partition(":")
if (attr not in ['granularity', 'points', 'timespan'] or
value is None):
raise ValueError
defs[attr] = value
if len(defs) < 2:
raise ValueError
return defs
class CliArchivePolicyWriteBase(show.ShowOne):
def get_parser(self, prog_name):
parser = super(CliArchivePolicyWriteBase, self).get_parser(prog_name)
parser.add_argument("name", help="name of the archive policy")
parser.add_argument("-d", "--definition", action='append',
required=True, type=archive_policy_definition,
metavar="<DEFINITION>",
help=("two attributes (separated by ',') of an "
"archive policy definition with its name "
"and value separated with a ':'"))
return parser
class CliArchivePolicyCreate(CliArchivePolicyWriteBase):
"""Create an archive policy."""
def get_parser(self, prog_name):
parser = super(CliArchivePolicyCreate, self).get_parser(prog_name)
parser.add_argument("-b", "--back-window", dest="back_window",
type=int,
help="back window of the archive policy")
parser.add_argument("-m", "--aggregation-method",
action="append",
dest="aggregation_methods",
help="aggregation method of the archive policy")
return parser
def take_action(self, parsed_args):
archive_policy = utils.dict_from_parsed_args(
parsed_args, ['name', 'back_window', 'aggregation_methods',
'definition'])
ap = utils.get_client(self).archive_policy.create(
archive_policy=archive_policy)
if parsed_args.formatter == 'table':
utils.format_archive_policy(ap)
return self.dict2columns(ap)
class CliArchivePolicyUpdate(CliArchivePolicyWriteBase):
"""Update an archive policy."""
def take_action(self, parsed_args):
archive_policy = utils.dict_from_parsed_args(
parsed_args, ['definition'])
ap = utils.get_client(self).archive_policy.update(
name=parsed_args.name, archive_policy=archive_policy)
if parsed_args.formatter == 'table':
utils.format_archive_policy(ap)
return self.dict2columns(ap)
class CliArchivePolicyDelete(command.Command):
"""Delete an archive policy."""
def get_parser(self, prog_name):
parser = super(CliArchivePolicyDelete, self).get_parser(prog_name)
parser.add_argument("name",
help="Name of the archive policy")
return parser
def take_action(self, parsed_args):
utils.get_client(self).archive_policy.delete(name=parsed_args.name)
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