1 # Copyright 2019 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.
20 logger = logging.getLogger(__name__)
22 SECTIONS = (VDU_COMPUTE_TYPE, VNF_VL_TYPE, VDU_CP_TYPE, VDU_STORAGE_TYPE) = \
23 ('tosca.nodes.nfv.Vdu.Compute', 'tosca.nodes.nfv.VnfVirtualLink', 'tosca.nodes.nfv.VduCp', 'tosca.nodes.nfv.Vdu.VirtualStorage')
28 def __init__(self, model):
31 def build_vnf(self, tosca):
32 vnf = self.model.get_substitution_mappings(tosca)
33 properties = vnf.get("properties", {})
34 metadata = vnf.get("metadata", {})
36 for key, value in list(properties.items()):
37 if isinstance(value, dict):
38 if value["type"] == "string":
39 properties[key] = value.get("default", "")
40 elif value["type"] == "list":
41 properties[key] = value.get("default", {})
43 properties[key] = value.get("default", "")
44 ptype = "descriptor_id"
45 meta_types = ["descriptor_id", "id", "UUID"]
46 self._get_property(properties, metadata, ptype, meta_types)
48 ptype = "descriptor_version"
49 meta_types = ["template_version", "version"]
50 self._get_property(properties, metadata, ptype, meta_types)
53 meta_types = ["template_author", "provider"]
54 self._get_property(properties, metadata, ptype, meta_types)
56 ptype = "template_name"
57 meta_types = ["template_name"]
58 self._get_property(properties, metadata, ptype, meta_types)
60 ptype = "software_version"
61 meta_types = ["software_version"]
62 self._get_property(properties, metadata, ptype, meta_types)
64 ptype = "product_name"
65 meta_types = ["product_name"]
66 self._get_property(properties, metadata, ptype, meta_types)
68 ptype = "flavour_description"
69 meta_types = ["flavour_description"]
70 self._get_property(properties, metadata, ptype, meta_types)
73 meta_types = ["vnfm_info"]
74 self._get_property(properties, metadata, ptype, meta_types)
77 meta_types = ["flavour_id"]
78 self._get_property(properties, metadata, ptype, meta_types)
80 logger.debug("vnf:%s", vnf)
84 def get_all_vl(self, nodeTemplates, node_types):
86 for node in nodeTemplates:
87 if self.model.isNodeTypeX(node, node_types, VNF_VL_TYPE):
89 vl['vl_id'] = node['name']
90 vl['description'] = node['description']
91 vl['properties'] = node['properties']
95 def get_all_cp(self, nodeTemplates, node_types):
97 for node in nodeTemplates:
98 if self.model.isNodeTypeX(node, node_types, VDU_CP_TYPE):
100 cp['cp_id'] = node['name']
101 cp['cpd_id'] = node['name']
102 cp['description'] = node['description']
103 cp['properties'] = node['properties']
104 cp['vl_id'] = self._get_node_vl_id(node)
105 cp['vdu_id'] = self._get_node_vdu_id(node)
106 vls = self._buil_cp_vls(node)
112 def get_all_volume_storage(self, nodeTemplates, node_types):
114 for node in nodeTemplates:
115 if self.model.isNodeTypeX(node, node_types, VDU_STORAGE_TYPE):
117 ret['volume_storage_id'] = node['name']
118 if 'description' in node:
119 ret['description'] = node['description']
120 ret['properties'] = node['properties']
124 def get_all_vdu(self, nodeTemplates, node_types):
127 for node in nodeTemplates:
128 logger.debug("nodeTemplates :%s", node)
129 if self.model.isNodeTypeX(node, node_types, VDU_COMPUTE_TYPE):
131 ret['vdu_id'] = node['name']
132 ret['type'] = node['nodeType']
133 if 'description' in node:
134 ret['description'] = node['description']
135 ret['properties'] = node['properties']
136 if 'inject_files' in node['properties']:
137 inject_files = node['properties']['inject_files']
138 if inject_files is not None:
139 if isinstance(inject_files, list):
140 for inject_file in inject_files:
141 source_path = os.path.join(self.model.basepath, inject_file['source_path'])
142 with open(source_path, "rt") as f:
143 source_data = f.read()
144 inject_file["source_data_base64"] = source_data
145 if isinstance(inject_files, dict):
146 source_path = os.path.join(self.model.basepath, inject_files['source_path'])
147 with open(source_path, "rt") as f:
148 source_data = f.read()
149 inject_files["source_data_base64"] = source_data
150 virtual_storages = self.model.getRequirementByName(node, 'virtual_storage')
151 ret['virtual_storages'] = list(map(functools.partial(self._trans_virtual_storage), virtual_storages))
152 ret['dependencies'] = [self.model.get_requirement_node_name(x) for x in self.model.getNodeDependencys(node)]
153 virtual_compute = self.model.getCapabilityByName(node, 'virtual_compute')
154 if virtual_compute is not None and 'properties' in virtual_compute:
155 ret['virtual_compute'] = virtual_compute['properties']
156 ret['vls'] = self._get_linked_vl_ids(node, nodeTemplates)
157 ret['cps'] = self._get_virtal_binding_cp_ids(node, nodeTemplates)
158 ret['artifacts'] = self.model.build_artifacts(node)
160 logger.debug("rets:%s", rets)
163 def get_all_endpoint_exposed(self):
165 external_cps = self._get_external_cps(self.model.vnf.get('requirements', None))
166 forward_cps = self._get_forward_cps(self.model.vnf.get('capabilities', None))
167 return {"external_cps": external_cps, "forward_cps": forward_cps}
170 def _get_property(self, properties, metadata, ptype, meta_types):
171 if ptype not in properties or properties[ptype] == "":
172 for mtype in meta_types:
173 data = metadata.get(mtype, "")
175 properties[ptype] = data
177 def _trans_virtual_storage(self, virtual_storage):
178 if isinstance(virtual_storage, str):
179 return {"virtual_storage_id": virtual_storage}
182 ret['virtual_storage_id'] = self.model.get_requirement_node_name(virtual_storage)
185 def _get_linked_vl_ids(self, node, node_templates):
187 cps = self._get_virtal_binding_cps(node, node_templates)
189 vl_reqs = self.model.getRequirementByName(cp, 'virtual_link')
190 for vl_req in vl_reqs:
191 vl_ids.append(self.model.get_requirement_node_name(vl_req))
194 def _get_virtal_binding_cp_ids(self, node, nodeTemplates):
195 return [x['name'] for x in self._get_virtal_binding_cps(node, nodeTemplates)]
197 def _get_virtal_binding_cps(self, node, nodeTemplates):
199 for tmpnode in nodeTemplates:
200 if 'requirements' in tmpnode:
201 for item in tmpnode['requirements']:
202 for key, value in list(item.items()):
203 if key.upper().startswith('VIRTUAL_BINDING'):
204 req_node_name = self.model.get_requirement_node_name(value)
205 if req_node_name is not None and req_node_name == node['name']:
209 def _get_node_vdu_id(self, node):
210 vdu_ids = [self.model.get_requirement_node_name(x) for x in self.model.getRequirementByName(node, 'virtual_binding')]
215 def _get_node_vl_id(self, node):
216 vl_ids = [self.model.get_requirement_node_name(x) for x in self.model.getRequirementByName(node, 'virtual_link')]
221 def _buil_cp_vls(self, node):
222 return [self._build_cp_vl(x) for x in self.model.getRequirementByName(node, 'virtual_link')]
224 def _build_cp_vl(self, req):
226 cp_vl['vl_id'] = self.model.get_prop_from_obj(req, 'node')
227 relationship = self.model.get_prop_from_obj(req, 'relationship')
228 if relationship is not None:
229 properties = self.model.get_prop_from_obj(relationship, 'properties')
230 if properties is not None and isinstance(properties, dict):
231 for key, value in list(properties.items()):
235 def _get_external_cps(self, vnf_requirements):
238 if isinstance(vnf_requirements, dict):
239 for key, value in list(vnf_requirements.items()):
240 if isinstance(value, list) and len(value) > 0:
241 external_cps.append({"key_name": key, "cpd_id": value[0]})
243 external_cps.append({"key_name": key, "cpd_id": value})
244 elif isinstance(vnf_requirements, list):
245 for vnf_requirement in vnf_requirements:
246 for key, value in list(vnf_requirement.items()):
247 if isinstance(value, list) and len(value) > 0:
248 external_cps.append({"key_name": key, "cpd_id": value[0]})
250 external_cps.append({"key_name": key, "cpd_id": value})
253 def _get_forward_cps(self, vnf_capabilities):
256 for key, value in list(vnf_capabilities.items()):
257 if isinstance(value, list) and len(value) > 0:
258 forward_cps.append({"key_name": key, "cpd_id": value[0]})
260 forward_cps.append({"key_name": key, "cpd_id": value})