vmware-nsx/vmware_nsx/nsxlib/v3/client.py
Shih-Hao Li d8eeda9baf Move vmware_nsx/neutron/plugins/vmware to vmware_nsx
This is part of new vmware_nsx directory structure proposed in
https://goo.gl/GdWXyH.

Change-Id: I60d6ef62eb724df71dfda90137e00f107e220971
2015-09-14 18:51:57 -07:00

116 lines
4.7 KiB
Python

# Copyright 2015 OpenStack Foundation
# All Rights Reserved
#
# 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 oslo_config import cfg
from oslo_log import log
from oslo_serialization import jsonutils
import requests
from requests import auth
from neutron.i18n import _LW
from vmware_nsx.common import exceptions as nsx_exc
LOG = log.getLogger(__name__)
ERRORS = {requests.codes.NOT_FOUND: nsx_exc.ResourceNotFound,
requests.codes.PRECONDITION_FAILED: nsx_exc.StaleRevision}
def _get_manager_endpoint():
manager = _get_manager_ip()
username = cfg.CONF.nsx_v3.nsx_user
password = cfg.CONF.nsx_v3.nsx_password
verify_cert = not cfg.CONF.nsx_v3.insecure
return "https://%s" % manager, username, password, verify_cert
def _get_manager_ip():
# NOTE: In future this may return the IP address from a pool
manager = cfg.CONF.nsx_v3.nsx_manager
return manager
def _validate_result(result, expected, operation):
if result.status_code not in expected:
if (result.status_code == requests.codes.bad):
LOG.warning(_LW("The HTTP request returned error code "
"%(result)d, whereas %(expected)s response "
"codes were expected. Response body %(body)s"),
{'result': result.status_code,
'expected': '/'.join([str(code)
for code in expected]),
'body': result.json()})
else:
LOG.warning(_LW("The HTTP request returned error code "
"%(result)d, whereas %(expected)s response "
"codes were expected."),
{'result': result.status_code,
'expected': '/'.join([str(code)
for code in expected])})
manager_ip = _get_manager_ip()
manager_error = ERRORS.get(result.status_code, nsx_exc.ManagerError)
raise manager_error(manager=manager_ip, operation=operation)
def get_resource(resource, **params):
manager, user, password, verify = _get_manager_endpoint()
url = manager + "/api/v1/%s" % resource
headers = {'Accept': 'application/json'}
result = requests.get(url, auth=auth.HTTPBasicAuth(user, password),
verify=verify, headers=headers,
cert=cfg.CONF.nsx_v3.ca_file,
params=params)
_validate_result(result, [requests.codes.ok],
_("reading resource: %s") % resource)
return result.json()
def create_resource(resource, data):
manager, user, password, verify = _get_manager_endpoint()
url = manager + "/api/v1/%s" % resource
headers = {'Content-Type': 'application/json',
'Accept': 'application/json'}
result = requests.post(url, auth=auth.HTTPBasicAuth(user, password),
verify=verify, headers=headers,
data=jsonutils.dumps(data),
cert=cfg.CONF.nsx_v3.ca_file)
_validate_result(result, [requests.codes.created, requests.codes.ok],
_("creating resource at: %s") % resource)
return result.json()
def update_resource(resource, data):
manager, user, password, verify = _get_manager_endpoint()
url = manager + "/api/v1/%s" % resource
headers = {'Content-Type': 'application/json',
'Accept': 'application/json'}
result = requests.put(url, auth=auth.HTTPBasicAuth(user, password),
verify=verify, headers=headers,
data=jsonutils.dumps(data),
cert=cfg.CONF.nsx_v3.ca_file)
_validate_result(result, [requests.codes.ok],
_("updating resource: %s") % resource)
return result.json()
def delete_resource(resource):
manager, user, password, verify = _get_manager_endpoint()
url = manager + "/api/v1/%s" % resource
result = requests.delete(url, auth=auth.HTTPBasicAuth(user, password),
verify=verify, cert=cfg.CONF.nsx_v3.ca_file)
_validate_result(result, [requests.codes.ok],
_("deleting resource: %s") % resource)