1 # Copyright 2016 ZTE Corporation.
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
18 from lcm.pub.msapi import resmgr
19 from lcm.pub.database.models import NfPackageModel, NfInstModel
20 from lcm.pub.exceptions import NSLCMException
21 from lcm.pub.utils.values import ignore_case_get
23 logger = logging.getLogger(__name__)
26 class GrantVnfs(object):
27 def __init__(self, data, job_id):
29 self.vnfm_inst_id = ''
34 def send_grant_vnf_to_resMgr(self):
35 logger.debug("grant data from vnfm:%s", self.data)
36 if isinstance(self.data, (unicode, str)):
37 self.data = json.JSONDecoder().decode(self.data)
40 if ignore_case_get(self.data, "addResource"):
41 grant_type = "addResource"
42 elif ignore_case_get(self.data, "removeResource"):
43 grant_type = "removeResource"
45 #raise NSLCMException("No grant resource is found.")
48 for res in ignore_case_get(self.data, grant_type):
49 if "resourceTemplate" in res:
54 m_vnf_inst_id = ignore_case_get(self.data, "vnfInstanceId")
55 additional_param = ignore_case_get(self.data, "additionalparam")
56 vnfm_inst_id = ignore_case_get(additional_param, "vnfmid")
57 vim_id = ignore_case_get(additional_param, "vimid")
59 vnfinsts = NfInstModel.objects.filter(
60 mnfinstid=m_vnf_inst_id, vnfm_inst_id=vnfm_inst_id)
62 raise NSLCMException("Vnfinst(%s) is not found in vnfm(%s)" % (
63 m_vnf_inst_id, vnfm_inst_id))
65 vnf_pkg_id = vnfinsts[0].package_id
66 vnf_pkgs = NfPackageModel.objects.filter(nfpackageid=vnf_pkg_id)
68 raise NSLCMException("vnfpkg(%s) is not found" % vnf_pkg_id)
70 vnfd = json.JSONDecoder().decode(vnf_pkgs[0].vnfdmodel)
73 "vnfInstanceId": m_vnf_inst_id,
75 "additionalParam": additional_param,
78 for res in ignore_case_get(self.data, grant_type):
79 vdu_name = ignore_case_get(res, "vdu")
81 "resourceDefinitionId": ignore_case_get(res, "resourceDefinitionId"),
82 "type": ignore_case_get(res,"type"),
85 for vdu in vnfd["vdus"]:
86 if vdu_name in (vdu["vdu_id"], vdu["properties"].get("name", "")):
87 grant_res["resourceTemplate"] = self.get_res_tpl(vdu, vnfd)
89 req_param[grant_type].append(grant_res)
91 return resmgr.grant_vnf(self.data)
93 def get_res_tpl(self, vdu, vnfd):
95 for storage_id in vdu["local_storages"]:
96 storage_size = storage_size + self.get_storage_size(storage_id, vnfd)
98 "virtualComputeDescriptor": {
100 "numVirtualCpu": int(vdu["nfv_compute"]["num_cpus"])
103 "virtualMemSize": int(vdu["nfv_compute"]["mem_size"])
106 "virtualStorageDescriptor": {
108 "sizeOfStorage": storage_size,
109 "swImageDescriptor": ""
112 return resourceTemplate
114 def get_storage_size(self, storage_id, vnfd):
115 for storage in vnfd["local_storages"]:
116 if storage_id == storage["local_storage_id"]:
117 return int(storage["properties"]["size"])