python-senlinclient/senlinclient/v1/client.py

131 lines
4.1 KiB
Python

# 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 inspect
import json
from openstack.identity import identity_service
from openstack.network.v2 import thin as thins
from openstack import transport as trans
from senlinclient.common import exc as client_exc
class Client(object):
def __init__(self, session):
self.session = session
self.auth = session.authenticator
def get_options(self, options):
return json.loads(options)
def transport(self, opts):
'''Create a transport given some options.'''
argument = opts.argument
xport = trans.Transport(verify=opts.verify)
return xport.get(argument).text
def thin(self):
# Authenticate should be done before this.
request = thins.Thin()
for obj in request.list_networks(self.session):
print(obj['id'])
def session(self, cls_name):
if cls_name is None:
raise Exception("A cls name argument must be specified")
filtration = identity_service.IdentityService()
return self.session.get(cls_name, service=filtration).text
def authenticate(self, options):
xport = trans.Transport(verify=options.verify)
print(self.auth.authorize(xport))
return xport
def list(self, cls, **options):
try:
return cls.list(self.session, **options)
except Exception as ex:
client_exc.parse_exception(ex)
def list_short(self, cls, options=None):
try:
return cls.list_short(self.session, path_args=None, **options)
except Exception as ex:
client_exc.parse_exception(ex)
def create(self, cls, params):
obj = cls.new(**params)
try:
return obj.create(self.session)
except Exception as ex:
client_exc.parse_exception(ex)
def get(self, cls, options=None):
if options is None:
options = {}
try:
obj = cls.new(**options)
return obj.get(self.session)
except Exception as ex:
client_exc.parse_exception(ex)
def find(self, cls, options):
return cls.find(self.session, options)
def update(self, cls, options):
obj = cls.new(**options)
try:
obj.update(self.session)
except Exception as ex:
client_exc.parse_exception(ex)
def delete(self, cls, options):
obj = cls.new(**options)
try:
obj.delete(self.session)
except Exception as ex:
client_exc.parse_exception(ex)
def head(self, cls, options):
kwargs = self.get_options(options)
obj = cls.new(**kwargs)
obj.head(self.session)
return obj
def action(self, cls, options):
def filter_args(method, params):
expected_args = inspect.getargspec(method).args
accepted_args = ([a for a in expected_args if a != 'self'])
filtered_args = dict((d, params[d]) for d in accepted_args)
return filtered_args
def invoke_method(target, method_name, params):
action = getattr(target, method_name)
filtered_args = filter_args(action, params)
reply = action(**filtered_args)
return reply
action = options.pop('action')
if 'action_args' in options:
args = options.pop('action_args')
else:
args = {}
args.update(session=self.session)
obj = cls.new(**options)
try:
return invoke_method(obj, action, args)
except Exception as ex:
client_exc.parse_exception(ex)