# Copyright (c) 2016 b<>com
#
# 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 osc_lib import utils
from oslo_serialization import jsonutils
from watcherclient._i18n import _
from watcherclient.common import command
from watcherclient.common import utils as common_utils
from watcherclient import exceptions
from watcherclient.v1 import resource_fields as res_fields
[docs]
class ShowStrategy(command.ShowOne):
"""Show detailed information about a given strategy."""
[docs]
def get_parser(self, prog_name):
parser = super(ShowStrategy, self).get_parser(prog_name)
parser.add_argument(
'strategy',
metavar='<strategy>',
help=_('UUID or name of the strategy'),
)
return parser
def _format_spec(self, strategy):
parameters_spec = strategy.parameters_spec.get('properties')
if parameters_spec:
return jsonutils.dumps(parameters_spec, indent=2)
return {}
[docs]
def take_action(self, parsed_args):
client = getattr(self.app.client_manager, "infra-optim")
try:
strategy = client.strategy.get(parsed_args.strategy)
except exceptions.HTTPNotFound as exc:
raise exceptions.CommandError(str(exc))
strategy.parameters_spec = self._format_spec(strategy)
columns = res_fields.STRATEGY_FIELDS
column_headers = res_fields.STRATEGY_FIELD_LABELS
return column_headers, utils.get_item_properties(strategy, columns)
[docs]
class StateStrategy(command.Lister):
"""Retrieve information about strategy requirements."""
[docs]
def get_parser(self, prog_name):
parser = super(StateStrategy, self).get_parser(prog_name)
parser.add_argument(
'strategy',
metavar='<strategy>',
help=_('Name of the strategy'),
)
return parser
def _format_spec(self, requirements):
for req in requirements:
if isinstance(req.state, list):
req.state = jsonutils.dumps(req.state, indent=2)
return requirements
[docs]
def take_action(self, parsed_args):
client = getattr(self.app.client_manager, "infra-optim")
try:
requirements = client.strategy.state(parsed_args.strategy)
except exceptions.HTTPNotFound as exc:
raise exceptions.CommandError(str(exc))
requirements = self._format_spec(requirements)
columns = res_fields.STRATEGY_STATE_FIELDS
column_headers = res_fields.STRATEGY_STATE_FIELD_LABELS
return (column_headers,
(utils.get_item_properties(item, columns)
for item in requirements))
[docs]
class ListStrategy(command.Lister):
"""List information on retrieved strategies."""
[docs]
def get_parser(self, prog_name):
parser = super(ListStrategy, self).get_parser(prog_name)
parser.add_argument(
'--goal',
metavar='<goal>',
dest='goal',
help=_('UUID or name of the goal'))
parser.add_argument(
'--detail',
dest='detail',
action='store_true',
default=False,
help=_("Show detailed information about each strategy."))
parser.add_argument(
'--limit',
metavar='<limit>',
type=int,
help=_('Maximum number of strategies to return per request, '
'0 for no limit. Default is the maximum number used '
'by the Watcher API Service.'))
parser.add_argument(
'--sort-key',
metavar='<field>',
help=_('Goal field that will be used for sorting.'))
parser.add_argument(
'--sort-dir',
metavar='<direction>',
choices=['asc', 'desc'],
help='Sort direction: "asc" (the default) or "desc".')
parser.add_argument(
'--marker',
dest='marker',
metavar='<marker>',
default=None,
help=_('UUID of the last strategy in the previous page; '
'displays list of strategies after "marker".'))
return parser
[docs]
def take_action(self, parsed_args):
client = getattr(self.app.client_manager, "infra-optim")
params = {}
if parsed_args.detail:
fields = res_fields.STRATEGY_FIELDS
field_labels = res_fields.STRATEGY_FIELD_LABELS
else:
fields = res_fields.STRATEGY_SHORT_LIST_FIELDS
field_labels = res_fields.STRATEGY_SHORT_LIST_FIELD_LABELS
if parsed_args.goal:
params["goal"] = parsed_args.goal
params.update(
common_utils.common_params_for_list(
parsed_args, fields, field_labels))
try:
data = client.strategy.list(**params)
except exceptions.HTTPNotFound as ex:
raise exceptions.CommandError(str(ex))
return (field_labels,
(utils.get_item_properties(item, fields) for item in data))
