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# Copyright (c) 2017-2018 Wind River Systems, Inc.
#
# 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 logging
import json
import traceback
from django.core.cache import cache
from keystoneauth1 import access
from keystoneauth1.access import service_catalog
from keystoneauth1.exceptions import HttpError
from rest_framework import status
from rest_framework.response import Response
from rest_framework.views import APIView
from common.exceptions import VimDriverNewtonException
from newton_base.util import VimDriverUtils
from newton_base.proxy.proxy_utils import ProxyUtils
logger = logging.getLogger(__name__)
# DEBUG=True
v3_version_detail = {
"version": {
"status": "stable",
"updated": "2014-04-17T00:00:00Z",
"media-types": [
{
"base": "application/json",
"type": "application/vnd.openstack.identity-v3+json"
}
],
"id": "v3",
"links": [
]
}
}
class Tokens(APIView):
service = {'service_type': 'identity',
'interface': 'public'}
def __init__(self):
self.proxy_prefix = "multicloud"
self._logger = logger
def get(self, request, vimid=""):
self._logger.info("vimid> %s" % vimid)
self._logger.debug("META> %s" % request.META)
self._logger.debug("data> %s" % request.data)
self._logger.info("RESP with status> %s" % status.HTTP_200_OK)
# compose the links
v3_version_detail["version"]["links"] = [{
"href": request.META.get("REQUEST_URI", ""),
"rel": "self"
}]
return Response(data=v3_version_detail, status=status.HTTP_200_OK)
def post(self, request, vimid=""):
self._logger.info("vimid> %s" % vimid)
self._logger.debug("META> %s" % request.META)
self._logger.debug("data> %s" % request.data)
sess = None
resp = None
resp_body = None
try:
tenant_name = request.data.get("tenant_name")
tenant_id = request.data.get("tenant_id")
#backward support for keystone v2.0 API
if not tenant_name and request.data.get("auth"):
tenant_name = request.data["auth"].get("tenantName")
tenant_id = request.data["auth"].get("tenantId")
#keystone v3 API
if not tenant_name and request.data.get("auth") \
and request.data["auth"].get("scope")\
and request.data["auth"]["scope"].get("project"):
if request.data["auth"]["scope"]["project"].get("name"):
tenant_name = request.data["auth"]["scope"]["project"].get("name")
else:
tenant_id = request.data["auth"]["scope"]["project"].get("id")
# Get the specified tenant id
specified_project_idorname = request.META.get("Project", None)
# prepare request resource to vim instance
vim = VimDriverUtils.get_vim_info(vimid)
sess = None
if specified_project_idorname:
try:
# check if specified with tenant id
sess = VimDriverUtils.get_session(
vim, tenant_name=None,
tenant_id=specified_project_idorname
)
except Exception as e:
pass
if not sess:
try:
# check if specified with tenant name
sess = VimDriverUtils.get_session(
vim, tenant_name=specified_project_idorname,
tenant_id=None
)
except Exception as e:
pass
if not sess:
sess = VimDriverUtils.get_session(
vim, tenant_name=tenant_name, tenant_id=tenant_id)
#tmp_auth_state = VimDriverUtils.get_auth_state(vim, sess)
tmp_auth_state = VimDriverUtils.get_auth_state(sess)
tmp_auth_info = json.loads(tmp_auth_state)
tmp_auth_token = tmp_auth_info['auth_token']
tmp_auth_data = tmp_auth_info['body']
#store the auth_state, redis/memcached
#set expiring in 1 hour
#update the catalog
tmp_auth_data['token']['catalog'], tmp_metadata_catalog = ProxyUtils.update_catalog(
vimid, tmp_auth_data['token']['catalog'], self.proxy_prefix)
VimDriverUtils.update_token_cache(
tmp_auth_token, tmp_auth_state, json.dumps(tmp_metadata_catalog))
tmp_auth_data['token']['catalog'] = ProxyUtils.update_catalog_dnsaas(
vimid,tmp_auth_data['token']['catalog'], self.proxy_prefix, vim)
resp = Response(headers={'X-Subject-Token': tmp_auth_token},
data=tmp_auth_data, status=status.HTTP_201_CREATED)
self._logger.info("RESP with status> %s" % status.HTTP_201_CREATED)
return resp
except VimDriverNewtonException as e:
self._logger.error("Plugin exception> status:%s,error:%s"
% (e.status_code, e.content))
return Response(data={'error': e.content}, status=e.status_code)
except HttpError as e:
self._logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
return Response(data=e.response.json(), status=e.http_status)
except Exception as e:
self._logger.error(traceback.format_exc())
return Response(data={'error': str(e)},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
v2_version_detail = {
"version": {
"status": "deprecated",
"updated": "2016-08-04T00:00:00Z",
"media-types": [
{
"base": "application/json",
"type": "application/vnd.openstack.identity-v2.0+json"
}
],
"id": "v2.0",
"links": [
],
"type": "text/html",
"rel": "describedby"
}
}
class TokensV2(Tokens):
'''
Backward compatible API for /v2.0/tokens
'''
def __init__(self):
self.proxy_prefix = "multicloud"
self._logger = logger
def get(self, request, vimid=""):
self._logger.info("vimid> %s" % vimid)
self._logger.debug("TokensV2--get::META> %s" % request.META)
self._logger.info("RESP with status> %s" % status.HTTP_200_OK)
# compose the links
v2_version_detail["version"]["links"] = [{
"href": request.META.get("REQUEST_URI", ""),
"rel": "self"
}]
return Response(data=v2_version_detail, status=status.HTTP_200_OK)
def post(self, request, vimid=""):
self._logger.info("vimid > %s" % vimid)
self._logger.debug("META> %s" % request.META)
self._logger.debug("data> %s" % request.data)
try:
resp = super(TokensV2,self).post(request, vimid)
self._logger.debug("Token(v3)returns> headers:%s, data:%s" % (resp._headers, resp.data))
if resp.status_code == status.HTTP_201_CREATED:
v3_content = resp.data
v3_token = v3_content['token']
#convert catalog
v2_catalog = []
for v3_catalog in v3_token['catalog']:
v2_catalog1 = {
"type": v3_catalog["type"],
"name": v3_catalog["name"],
"endpoints": []
}
#convert endpoints
v2_catalog1_endpoints = None
for v3_endpoint in v3_catalog['endpoints']:
v2_catalog1_endpoints = {
"id": v3_endpoint['id'],
"region":v3_endpoint['region'],
"region_name": v3_endpoint['region_id'],
'interface':v3_endpoint['interface']
}
if v3_endpoint['interface'] == 'public':
v2_catalog1_endpoints['publicURL'] = v3_endpoint['url']
elif v3_endpoint['interface'] == 'admin':
v2_catalog1_endpoints['adminURL'] = v3_endpoint['url']
elif v3_endpoint['interface'] == 'internal':
v2_catalog1_endpoints['internalURL'] = v3_endpoint['url']
if v2_catalog1_endpoints:
v2_catalog1['endpoints'].append(v2_catalog1_endpoints)
v2_catalog.append(v2_catalog1)
#conversion between v3 tokens response and v2.0 tokens response
v3_token["project"]['enabled'] = 'true'
v2_content = {
"access": {
"token": {
"id" : resp.get('X-Subject-Token', None),
"issued_at": v3_token["issued_at"],
"expires" : v3_token["expires_at"],
"tenant" : v3_token["project"],
},
"serviceCatalog": v2_catalog,
"user": v3_token["user"],
}
}
self._logger.info("RESP with status> %s" % status.HTTP_200_OK)
return Response(data=v2_content,
status=status.HTTP_200_OK \
if resp.status_code==status.HTTP_201_CREATED \
else resp.status_code)
else:
self._logger.info("RESP with status> %s" % resp.status_code)
return resp
except VimDriverNewtonException as e:
self._logger.error("Plugin exception> status:%s,error:%s"
% (e.status_code, e.content))
return Response(data={'error': e.content}, status=e.status_code)
except HttpError as e:
self._logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
return Response(data=e.response.json(), status=e.http_status)
except Exception as e:
self._logger.error(traceback.format_exc())
return Response(data={'error': str(e)},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
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