96 lines
3.4 KiB
Python
96 lines
3.4 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.
|
|
from urlparse import urlparse
|
|
|
|
from keystoneclient.v2_0.client import Client
|
|
from requests.auth import AuthBase
|
|
|
|
|
|
class KeystoneAuth(AuthBase):
|
|
def __init__(self, auth_url, username=None, password=None, tenant_id=None,
|
|
tenant_name=None, token=None, service_type=None,
|
|
endpoint_type=None, region_name=None, sudo_tenant_id=None):
|
|
self.auth_url = str(auth_url).rstrip('/')
|
|
self.username = username
|
|
self.password = password
|
|
self.tenant_id = tenant_id
|
|
self.tenant_name = tenant_name
|
|
self.token = token
|
|
self.sudo_tenant_id = sudo_tenant_id
|
|
|
|
if (not username and not password) and not token:
|
|
raise ValueError('A username and password, or token is required')
|
|
|
|
if not service_type or not endpoint_type:
|
|
raise ValueError("Need service_type and/or endpoint_type")
|
|
|
|
self.service_type = service_type
|
|
self.endpoint_type = endpoint_type
|
|
self.region_name = region_name
|
|
|
|
self.refresh_auth()
|
|
|
|
def __call__(self, request):
|
|
if not self.token:
|
|
self.refresh_auth()
|
|
|
|
request.headers['X-Auth-Token'] = self.token
|
|
|
|
if self.sudo_tenant_id:
|
|
request.headers['X-Designate-Sudo-Tenant-ID'] = self.sudo_tenant_id
|
|
|
|
return request
|
|
|
|
def get_ksclient(self):
|
|
insecure = urlparse(self.auth_url).scheme != 'https'
|
|
|
|
return Client(username=self.username,
|
|
password=self.password,
|
|
tenant_id=self.tenant_id,
|
|
tenant_name=self.tenant_name,
|
|
auth_url=self.auth_url,
|
|
insecure=insecure)
|
|
|
|
def get_endpoints(self, service_type=None, endpoint_type=None,
|
|
region_name=None):
|
|
return self.service_catalog.get_endpoints(
|
|
service_type=service_type,
|
|
endpoint_type=endpoint_type,
|
|
region_name=region_name)
|
|
|
|
def get_url(self, service_type=None, endpoint_type=None, region_name=None):
|
|
service_type = service_type or self.service_type
|
|
endpoint_type = endpoint_type or self.endpoint_type
|
|
region_name = region_name or self.region_name
|
|
|
|
endpoints = self.get_endpoints(service_type, endpoint_type,
|
|
region_name)
|
|
|
|
url = endpoints[service_type][0][endpoint_type]
|
|
|
|
# NOTE(kiall): The Version 1 API is the only API that has ever included
|
|
# the version number in the endpoint. Thus, it's safe to
|
|
# simply remove it if present.
|
|
url = url.rstrip('/')
|
|
if url.endswith('/v1'):
|
|
url = url[:-3]
|
|
return url
|
|
|
|
def refresh_auth(self):
|
|
ks = self.get_ksclient()
|
|
self.token = ks.auth_token
|
|
self.service_catalog = ks.service_catalog
|