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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 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
logger = logging.getLogger(__name__)
class Hosts(APIView):
service = {'service_type': 'compute',
'interface': 'public'}
hosts_keys_mapping = [
("host_name", "name"),
]
host_keys_mapping = [
("host", "name"),
]
def get(self, request, vimid="", tenantid="", hostname=""):
logger.info("vimid, tenantid, hostname = %s,%s,%s" % (vimid, tenantid, hostname))
if request.data:
logger.debug("With data = %s" % request.data)
pass
try:
#prepare request resource to vim instance
req_resouce = "/os-hosts"
if hostname:
req_resouce += "/%s" % hostname
vim = VimDriverUtils.get_vim_info(vimid)
sess = VimDriverUtils.get_session(vim, tenantid)
logger.info("making request with URI:%s" % req_resouce)
resp = sess.get(req_resouce, endpoint_filter=self.service)
logger.info("request returns with status %s" % resp.status_code)
if resp.status_code == status.HTTP_200_OK:
logger.debug("with content:%s" % resp.json())
pass
content = resp.json()
vim_dict = {
"vimName": vim["name"],
"vimId": vim["vimId"],
"tenantId": tenantid,
}
content.update(vim_dict)
if not hostname:
# convert the key naming in hosts
for host in content["hosts"]:
VimDriverUtils.replace_key_by_mapping(host,
self.hosts_keys_mapping)
else:
#restructure host data model
old_host = content["host"]
content["host"] = []
# convert the key naming in resources
for res in old_host:
VimDriverUtils.replace_key_by_mapping(res['resource'],
self.host_keys_mapping)
content["host"].append(res['resource'])
logger.info("response with status = %s" % resp.status_code)
return Response(data=content, status=resp.status_code)
except VimDriverNewtonException as e:
logger.error("response with status = %s" % e.status_code)
return Response(data={'error': e.content}, status=e.status_code)
except HttpError as e:
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:
logger.error(traceback.format_exc())
return Response(data={'error': str(e)},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
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