diff options
Diffstat (limited to 'share/newton_base/resource/capacity.py')
| -rw-r--r-- | share/newton_base/resource/capacity.py | 183 |
1 files changed, 92 insertions, 91 deletions
diff --git a/share/newton_base/resource/capacity.py b/share/newton_base/resource/capacity.py index 1a08b9a5..c2fee361 100644 --- a/share/newton_base/resource/capacity.py +++ b/share/newton_base/resource/capacity.py @@ -35,112 +35,113 @@ class CapacityCheck(APIView): 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 - + hasEnoughResource = self.get_tenant_cap_info(vimid, request.data) 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, + return Response(data={'result': False, '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}) + resp.update({'result': False}) 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)}, + return Response(data={'result': False, 'error': str(e)}, status=status.HTTP_500_INTERNAL_SERVER_ERROR) + def get_tenant_cap_info(self, vimid, resource_demand): + hasEnoughResource = False + 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 + + return hasEnoughResource class APIv1CapacityCheck(CapacityCheck): def __init__(self): |