python-tatuclient/designateclient/cli/base.py
Tang Chen 946bd09935 Use osc_lib instead of cliff
Base classes of commands are defined in cliff,
but have been encapsulated again in osc-lib for
all plugin clients. So use osc-lib instead of
cliff.

Change-Id: I9ec5dc794d8449bc3618889f68993cea734cb0a9
2016-07-01 10:52:30 +08:00

140 lines
4.7 KiB
Python

# Copyright 2012 Managed I.T.
#
# Author: Kiall Mac Innes <kiall@managedit.ie>
#
# 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.
import abc
import warnings
from keystoneauth1 import exceptions as ks_exceptions
from osc_lib.command import command
import six
from designateclient import exceptions
from designateclient import utils
from designateclient.v1 import Client
@six.add_metaclass(abc.ABCMeta)
class Command(command.Command):
def run(self, parsed_args):
warnings.simplefilter('once', category=DeprecationWarning)
warnings.warn(
'The "designate" CLI is being deprecated in favour of the '
'"openstack" CLI plugin. All designate API v2 commands are '
'implemented there. When the v1 API is removed this CLI will '
'stop functioning',
DeprecationWarning)
warnings.resetwarnings()
warnings.simplefilter('ignore', category=DeprecationWarning)
self.client = Client(
region_name=self.app.options.os_region_name,
service_type=self.app.options.os_service_type,
endpoint_type=self.app.options.os_endpoint_type,
session=self.app.session,
all_tenants=self.app.options.all_tenants,
edit_managed=self.app.options.edit_managed,
endpoint=self.app.options.os_endpoint)
warnings.resetwarnings()
try:
return super(Command, self).run(parsed_args)
except exceptions.RemoteError as e:
columns = ['Code', 'Type']
values = [e.code, e.type]
if e.message:
columns.append('Message')
values.append(e.message)
if e.errors:
columns.append('Errors')
values.append(e.errors)
self.error_output(parsed_args, columns, values)
except ks_exceptions.EndpointNotFound as e:
self.app.log.error('No endpoint was found. You must provide a '
'username or user id via --os-username, '
'--os-user-id, env[OS_USERNAME] or '
'env[OS_USER_ID]')
return 1
def error_output(self, parsed_args, column_names, data):
self.formatter.emit_one(column_names,
data,
self.app.stdout,
parsed_args)
self.app.log.error('The requested action did not complete '
'successfully')
@abc.abstractmethod
def execute(self, parsed_args):
"""
Execute something, this is since we overload self.take_action()
in order to format the data
This method __NEEDS__ to be overloaded!
:param parsed_args: The parsed args that are given by take_action()
"""
def post_execute(self, data):
"""
Format the results locally if needed, by default we just return data
:param data: Whatever is returned by self.execute()
"""
return data
def take_action(self, parsed_args):
results = self.execute(parsed_args)
return self.post_execute(results)
def find_resourceid_by_name_or_id(self, resource_plural, name_or_id):
resource_client = getattr(self.client, resource_plural)
return utils.find_resourceid_by_name_or_id(resource_client, name_or_id)
class ListCommand(Command, command.Lister):
columns = None
def post_execute(self, results):
if len(results) > 0:
columns = self.columns or utils.get_columns(results)
data = [utils.get_item_properties(i, columns) for i in results]
return columns, data
else:
return [], ()
class GetCommand(Command, command.ShowOne):
def post_execute(self, results):
return list(six.iterkeys(results)), list(six.itervalues(results))
class CreateCommand(Command, command.ShowOne):
def post_execute(self, results):
return list(six.iterkeys(results)), list(six.itervalues(results))
class UpdateCommand(Command, command.ShowOne):
def post_execute(self, results):
return list(six.iterkeys(results)), list(six.itervalues(results))
class DeleteCommand(Command, command.ShowOne):
def post_execute(self, results):
return [], []