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# Copyright (c) 2017-2019 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 traceback
import json
from django.core.cache import cache
from newton_base.resource import capacity as newton_capacity
from common.exceptions import VimDriverNewtonException
from newton_base.util import VimDriverUtils
from keystoneauth1.exceptions import HttpError
from rest_framework import status
from rest_framework.response import Response
from rest_framework.views import APIView
from common.msapi import extsys
logger = logging.getLogger(__name__)
class CapacityCheck(newton_capacity.CapacityCheck):
def __init__(self):
super(CapacityCheck, self).__init__()
self._logger = logger
def post(self, request, vimid=""):
self._logger.info("vimid, data> %s, %s" % (vimid, request.data))
self._logger.debug("META> %s" % request.META)
try:
# Get the specified tenant id
specified_project_idorname = request.META.get("Project", None)
hasEnoughResource = self.get_tenant_cap_info(vimid, request.data, specified_project_idorname)
azCapInfo = self.get_az_cap_info(vimid)
self._logger.info("RESP with data> result:%s" % hasEnoughResource)
return Response(data={'result': hasEnoughResource, 'AZs': azCapInfo}, status=status.HTTP_200_OK)
except Exception as e:
self._logger.error(traceback.format_exc())
return Response(data={'result': False, 'error': str(e)},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
def get_az_cap_info(self, vimid):
azCapInfo = []
# viminfo = VimDriverUtils.get_vim_info(vimid)
# if not viminfo:
# self._logger.warn("azcap_audit no valid vimid: %s" % vimid)
# return
# session = VimDriverUtils.get_session(
# viminfo,
# tenant_name=viminfo.get('tenant', None)
# )
try:
# get list of AZ
vimAzCacheKey = "cap_azlist_" + vimid
vimAzListCacheStr = cache.get(vimAzCacheKey)
self._logger.debug("Found AZ list: %s" % vimAzListCacheStr)
vimAzListCache = json.loads(vimAzListCacheStr) if vimAzListCacheStr else []
azCapInfoList = []
for azName in vimAzListCache:
azCapCacheKey = "cap_" + vimid + "_" + azName
azCapInfoCacheStr = cache.get(azCapCacheKey)
self._logger.debug("Found AZ info: %s, %s" % (azCapCacheKey, azCapInfoCacheStr))
if not azCapInfoCacheStr:
continue
azCapInfoCache = json.loads(azCapInfoCacheStr) if azCapInfoCacheStr else None
azCapInfo = {}
azCapInfo["availability-zone-name"] = azName
# vcpu ratio: cpu_allocation_ratio=16 by default
azCapInfo["vCPUAvail"] = \
(azCapInfoCache.get("vcpus", 0)
- azCapInfoCache.get("vcpus_used", 0)) * 16
azCapInfo["vCPUTotal"] = azCapInfoCache.get("vcpus", 0) * 16
# mem size in MB
azCapInfo["MemoryAvail"] = azCapInfoCache.get("free_ram_mb", 0) / 1024.0
azCapInfo["MemoryTotal"] = azCapInfoCache.get("memory_mb", 0) / 1024.0
azCapInfo["StorageAvail"] = azCapInfoCache.get("free_disk_gb", 0)
azCapInfo["StorageTotal"] = azCapInfoCache.get("local_gb", 0)
azCapInfoList.append(azCapInfo)
return azCapInfoList
except Exception as e:
self._logger.error(traceback.format_exc())
return azCapInfo
class APIv1CapacityCheck(CapacityCheck):
def __init__(self):
super(APIv1CapacityCheck, self).__init__()
# self._logger = logger
def post(self, request, cloud_owner="", cloud_region_id=""):
self._logger.info("vimid, data> %s,%s, %s" % (cloud_owner, cloud_region_id, request.data))
self._logger.debug("META> %s" % request.META)
vimid = extsys.encode_vim_id(cloud_owner, cloud_region_id)
return super(APIv1CapacityCheck, self).post(request, vimid)
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