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# Copyright 2018 ZTE Corporation.
#
# 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 json
import logging
from lcm.pub.database.models import NfInstModel
from lcm.pub.msapi.gvnfmdriver import apply_grant_to_nfvo
from lcm.pub.utils.values import ignore_case_get
from lcm.nf.const import GRANT_TYPE
logger = logging.getLogger(__name__)
def grant_resource(data, nf_inst_id, job_id, grant_type, vdus):
logger.info("Grant resource begin")
content_args = {
'vnfInstanceId': nf_inst_id,
'vnfLcmOpOccId': job_id,
'vnfdId': None, # TODO
'flavourId': None, # TODO
'operate': grant_type,
'isAutomaticInvocation': True, # TODO
'instantiationLevelId': None, # TODO
'addResources': [],
'tmpResources': [],
'updateResources': [],
'removeResources': [],
'placementConstraints': [],
'vimConstraints': [],
'additionalParams': {},
'_links': None # TODO
}
if grant_type == GRANT_TYPE.TERMINATE:
res_index = 1
for vdu in vdus:
res_def = {
'id': str(res_index),
'type': 'COMPUTE',
'vduId': None,
'resourceTemplateId': None,
'resource': {
'vimConnectionId': None,
'resourceProviderId': None,
'resourceid': vdu.resourceid,
'vimLevelResourceType': None
}
}
content_args['removeResources'].append(res_def)
res_index += 1
content_args['additionalParams']['vimid'] = vdus[0].vimid
elif grant_type == GRANT_TYPE.INSTANTIATE:
vim_id = ignore_case_get(ignore_case_get(data, "additionalParams"), "vimId")
res_index = 1
for vdu in vdus:
res_def = {
'id': str(res_index),
'type': 'COMPUTE',
'vduId': None,
'resourceTemplateId': None, # TODO: shall be present for the planned creation of new resources.
'resource': None
}
content_args['addResources'].append(res_def)
res_index += 1
content_args['additionalParams']['vimid'] = vim_id
elif grant_type == GRANT_TYPE.HEAL_RESTART:
res_index = 1
res_def = {
'type': 'VDU',
'resDefId': str(res_index),
'resDesId': vdus[0].resourceid}
content_args['updateResources'].append(res_def)
content_args['additionalParams']['vimid'] = vdus[0].vimid
elif grant_type == GRANT_TYPE.HEAL_CREATE:
vim_id = vdus[0]["properties"]["location_info"]["vimid"]
res_index = 1
res_def = {
'type': 'VDU',
'resDefId': str(res_index),
'resDesId': ignore_case_get(vdus[0], "vdu_id")
}
content_args['addResources'].append(res_def)
content_args['additionalParams']['vimid'] = vim_id
elif grant_type == GRANT_TYPE.OPERATE:
res_index = 1
for vdu in vdus:
res_def = {
'id': str(res_index),
'type': 'COMPUTE',
'vduId': None,
'resourceTemplateId': None,
'resource': {
'vimConnectionId': None,
'resourceProviderId': None,
'resourceid': vdu.resourceid,
'vimLevelResourceType': None
}
}
content_args['updateResources'].append(res_def)
res_index += 1
content_args['additionalParams']['vimid'] = vdus[0].vimid
vnfInsts = NfInstModel.objects.filter(nfinstid=nf_inst_id)
content_args['additionalParams']['vnfmid'] = vnfInsts[0].vnfminstid
logger.info('Grant request data=%s' % content_args)
apply_result = apply_grant_to_nfvo(json.dumps(content_args))
logger.info("apply_result: %s" % apply_result)
return apply_result
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