From f2138cc59231602b31e60a3b9f39cc59a1860892 Mon Sep 17 00:00:00 2001 From: Haibin Huang Date: Mon, 28 Jan 2019 14:00:38 +0800 Subject: Extract some code to share Change-Id: I6dffc1bf47c5839f077f3c7f93f021ed0b414d24 Issue-ID: MULTICLOUD-428 Signed-off-by: Haibin Huang --- .../titanium_cloud/resource/views/capacity.py | 159 --------------------- 1 file changed, 159 deletions(-) delete mode 100644 windriver/titanium_cloud/resource/views/capacity.py (limited to 'windriver/titanium_cloud/resource/views/capacity.py') diff --git a/windriver/titanium_cloud/resource/views/capacity.py b/windriver/titanium_cloud/resource/views/capacity.py deleted file mode 100644 index 669cb659..00000000 --- a/windriver/titanium_cloud/resource/views/capacity.py +++ /dev/null @@ -1,159 +0,0 @@ -# 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 rest_framework import status - -# from django.conf import settings -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(APIView): - def __init__(self): - 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) - - hasEnoughResource = False - try: - resource_demand = request.data - - tenant_name = None - vim = VimDriverUtils.get_vim_info(vimid) - sess = VimDriverUtils.get_session(vim, tenant_name) - - # get token: - cloud_owner, regionid = extsys.decode_vim_id(vimid) - interface = 'public' - service = {'service_type': 'compute', - 'interface': interface, - 'region_name': vim['openstack_region_id'] - if vim.get('openstack_region_id') - else vim['cloud_region_id'] - } - - # get limit for this tenant - req_resouce = "/limits" - self._logger.info("check limits> URI:%s" % req_resouce) - resp = sess.get(req_resouce, endpoint_filter=service) - self._logger.info("check limits> status:%s" % resp.status_code) - content = resp.json() - compute_limits = content['limits']['absolute'] - self._logger.debug("check limits> resp data:%s" % content) - - # get total resource of this cloud region - try: - req_resouce = "/os-hypervisors/statistics" - self._logger.info("check os-hypervisors statistics> URI:%s" % req_resouce) - resp = sess.get(req_resouce, endpoint_filter=service) - self._logger.info("check os-hypervisors statistics> status:%s" % resp.status_code) - content = resp.json() - hypervisor_statistics = content['hypervisor_statistics'] - self._logger.debug("check os-hypervisors statistics> resp data:%s" % content) - except HttpError as e: - if e.http_status == status.HTTP_403_FORBIDDEN: - # Due to non administrator account cannot get hypervisor data, - # so construct enough resource data - conVCPUS = int(resource_demand['vCPU']) - conFreeRamMB = int(resource_demand['Memory']) - conFreeDiskGB = int(resource_demand['Storage']) - self._logger.info("Non administator forbidden to access hypervisor statistics data") - hypervisor_statistics = {'vcpus_used': 0, - 'vcpus': conVCPUS, - 'free_ram_mb': conFreeRamMB, - 'free_disk_gb': conFreeDiskGB} - else: - # non forbiden exeption will be redirected - raise e - - # get storage limit for this tenant - service['service_type'] = 'volumev2' - req_resouce = "/limits" - self._logger.info("check volumev2 limits> URI:%s" % req_resouce) - resp = sess.get(req_resouce, endpoint_filter=service) - self._logger.info("check volumev2> status:%s" % resp.status_code) - content = resp.json() - storage_limits = content['limits']['absolute'] - self._logger.debug("check volumev2> resp data:%s" % content) - - # compute actual available resource for this tenant - remainVCPU = compute_limits['maxTotalCores'] - compute_limits['totalCoresUsed'] - remainHypervisorVCPU = hypervisor_statistics['vcpus'] - hypervisor_statistics['vcpus_used'] - - if (remainVCPU > remainHypervisorVCPU): - remainVCPU = remainHypervisorVCPU - - remainMEM = compute_limits['maxTotalRAMSize'] - compute_limits['totalRAMUsed'] - remainHypervisorMEM = hypervisor_statistics['free_ram_mb'] - if remainMEM > remainHypervisorMEM: - remainMEM = remainHypervisorMEM - - remainStorage = storage_limits['maxTotalVolumeGigabytes'] - storage_limits['totalGigabytesUsed'] - remainHypervisorStorage = hypervisor_statistics['free_disk_gb'] - if (remainStorage > remainHypervisorStorage): - remainStorage = remainHypervisorStorage - - # compare resource demanded with available - if (int(resource_demand['vCPU']) > remainVCPU): - hasEnoughResource = False - elif (int(resource_demand['Memory']) > remainMEM): - hasEnoughResource = False - elif (int(resource_demand['Storage']) > remainStorage): - hasEnoughResource = False - else: - hasEnoughResource = True - - self._logger.info("RESP with data> result:%s" % hasEnoughResource) - return Response(data={'result': hasEnoughResource}, status=status.HTTP_200_OK) - except VimDriverNewtonException as e: - self._logger.error("Plugin exception> status:%s,error:%s" - % (e.status_code, e.content)) - return Response(data={'result': hasEnoughResource, - '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())) - resp = e.response.json() - resp.update({'result': hasEnoughResource}) - return Response(data=e.response.json(), status=e.http_status) - except Exception as e: - self._logger.error(traceback.format_exc()) - return Response(data={'result': hasEnoughResource, 'error': str(e)}, - status=status.HTTP_500_INTERNAL_SERVER_ERROR) - - -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) -- cgit 1.2.3-korg