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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 uuid
import traceback
from django.conf import settings
from newton_base.registration import registration as newton_registration
from common.exceptions import VimDriverNewtonException
from common.msapi import extsys
from keystoneauth1.exceptions import HttpError
logger = logging.getLogger(__name__)
DEBUG=True
class Registry(newton_registration.Registry):
def __init__(self):
self.proxy_prefix = settings.MULTICLOUD_PREFIX
self.aai_base_url = settings.AAI_BASE_URL
self._logger = logger
def _discover_flavors(self, vimid="", session=None, viminfo=None):
try:
cloud_owner, cloud_region_id = extsys.decode_vim_id(vimid)
for flavor in self._get_list_resources(
"/flavors/detail", "compute", session, viminfo, vimid,
"flavors"):
flavor_info = {
'flavor-id': flavor['id'],
'flavor-name': flavor['name'],
'flavor-vcpus': flavor['vcpus'],
'flavor-ram': flavor['ram'],
'flavor-disk': flavor['disk'],
'flavor-ephemeral': flavor['OS-FLV-EXT-DATA:ephemeral'],
'flavor-swap': flavor['swap'],
'flavor-is-public': flavor['os-flavor-access:is_public'],
'flavor-disabled': flavor['OS-FLV-DISABLED:disabled'],
}
if flavor.get('link') and len(flavor['link']) > 0:
flavor_info['flavor-selflink'] = flavor['link'][0]['href'] or 'http://0.0.0.0',
else:
flavor_info['flavor-selflink'] = 'http://0.0.0.0',
# add hpa capabilities
req_resouce = "/flavors/%s/os-extra_specs" % flavor['id']
extraResp = self._get_list_resources(req_resouce, "compute", session, viminfo, vimid, "extra_specs")
hpa_capabilities = self._get_hpa_capabilities(flavor, extraResp)
flavor_info['hpa_capabilities'] = hpa_capabilities
self._update_resoure(
cloud_owner, cloud_region_id, flavor['id'],
flavor_info, "flavor")
except VimDriverNewtonException as e:
self._logger.error("VimDriverNewtonException: status:%s, response:%s" % (e.http_status, e.content))
return
except HttpError as e:
self._logger.error("HttpError: status:%s, response:%s" % (e.http_status, e.response.json()))
return
except Exception as e:
self._logger.error(traceback.format_exc())
return
def _get_hpa_capabilities(self, flavor, extra_specs):
hpa_caps = []
# Basic capabilties
caps_dict = self._get_hpa_basic_capabilities(flavor)
if len(caps_dict) > 0:
self._logger.debug("basic_capabilities_info: %s" % caps_dict)
hpa_caps.append(caps_dict)
# cpupining capabilities
caps_dict = self._get_cpupining_capabilities(extra_specs)
if len(caps_dict) > 0:
self._logger.debug("cpupining_capabilities_info: %s" % caps_dict)
hpa_caps.append(caps_dict)
return hpa_caps
def _get_hpa_basic_capabilities(self, flavor):
basic_capability = {}
feature_uuid = uuid.uuid4()
basic_capability['hpaCapabilityID'] = str(feature_uuid)
basic_capability['hpaFeature'] = 'basicCapabilities'
basic_capability['hardwareArchitecture'] = 'generic'
basic_capability['version'] = 'v1'
basic_capability['attributes'] = []
basic_capability['attributes'].append({'hpa-attribute-key': 'numVirtualCpu',
'hpa-attribute-value':{'value': str(flavor['vcpus']) }})
basic_capability['attributes'].append({'hpa-attribute-key':'virtualMemSize',
'hpa-attribute-value': {'value':str(flavor['ram']), 'unit':'MB'}})
return basic_capability
def _get_cpupining_capabilities(self, extra_specs):
cpupining_capability = {}
feature_uuid = uuid.uuid4()
if extra_specs.has_key('hw:cpu_policy') or extra_specs.has_key('hw:cpu_thread_policy'):
cpupining_capability['hpaCapabilityID'] = str(feature_uuid)
cpupining_capability['hpaFeature'] = 'cpuPining'
cpupining_capability['hardwareArchitecture'] = 'generic'
cpupining_capability['version'] = 'v1'
cpupining_capability['attributes'] = []
if extra_specs.has_key('hw:cpu_thread_policy'):
cpupining_capability['attributes'].append({'hpa-attribute-key': 'logicalCpuThreadPinningPolicy',
'hpa-attribute-value':{'value': str(extra_specs['hw:cpu_thread_policy'])}})
if extra_specs.has_key('hw:cpu_policy'):
cpupining_capability['attributes'].append({'hpa-attribute-key':'logicalCpuPinningPolicy',
'hpa-attribute-value': {'value':str(extra_specs['hw:cpu_policy'])}})
return cpupining_capability
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