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.
21 logger = logging.getLogger(__name__)
23 SECTIONS = (VDU_COMPUTE_TYPE, VNF_VL_TYPE, VDU_CP_TYPE, VDU_STORAGE_TYPE) = \
24 ('tosca.nodes.nfv.Vdu.Compute', 'tosca.nodes.nfv.VnfVirtualLink', 'tosca.nodes.nfv.VduCp', 'tosca.nodes.nfv.Vdu.VirtualStorage')
29 def __init__(self, model):
32 def build_vnf(self, tosca):
33 vnf = self.model.get_substitution_mappings(tosca)
34 properties = vnf.get("properties", {})
35 metadata = vnf.get("metadata", {})
36 if properties.get("descriptor_id", "") == "":
37 descriptor_id = metadata.get("descriptor_id", "")
38 if descriptor_id == "":
39 descriptor_id = metadata.get("id", "")
40 if descriptor_id == "":
41 descriptor_id = metadata.get("UUID", "")
42 properties["descriptor_id"] = descriptor_id
44 if properties.get("descriptor_version", "") == "":
45 version = metadata.get("template_version", "")
47 version = metadata.get("version", "")
48 properties["descriptor_version"] = version
50 if properties.get("provider", "") == "":
51 provider = metadata.get("template_author", "")
53 provider = metadata.get("provider", "")
54 properties["provider"] = provider
56 if properties.get("template_name", "") == "":
57 template_name = metadata.get("template_name", "")
58 if template_name == "":
59 template_name = metadata.get("template_name", "")
60 properties["template_name"] = template_name
61 logger.debug("vnf:%s", vnf)
64 def get_all_vl(self, nodeTemplates, node_types):
66 for node in nodeTemplates:
67 if self.model.isNodeTypeX(node, node_types, VNF_VL_TYPE):
69 vl['vl_id'] = node['name']
70 vl['description'] = node['description']
71 vl['properties'] = node['properties']
75 def get_all_cp(self, nodeTemplates, node_types):
77 for node in nodeTemplates:
78 if self.model.isNodeTypeX(node, node_types, VDU_CP_TYPE):
80 cp['cp_id'] = node['name']
81 cp['cpd_id'] = node['name']
82 cp['description'] = node['description']
83 cp['properties'] = node['properties']
84 cp['vl_id'] = self._get_node_vl_id(node)
85 cp['vdu_id'] = self._get_node_vdu_id(node)
86 vls = self._buil_cp_vls(node)
92 def get_all_volume_storage(self, nodeTemplates, node_types):
94 for node in nodeTemplates:
95 if self.model.isNodeTypeX(node, node_types, VDU_STORAGE_TYPE):
97 ret['volume_storage_id'] = node['name']
98 if 'description' in node:
99 ret['description'] = node['description']
100 ret['properties'] = node['properties']
104 def get_all_vdu(self, nodeTemplates, node_types):
107 for node in nodeTemplates:
108 logger.debug("nodeTemplates :%s", node)
109 if self.model.isNodeTypeX(node, node_types, VDU_COMPUTE_TYPE):
111 ret['vdu_id'] = node['name']
112 ret['type'] = node['nodeType']
113 if 'description' in node:
114 ret['description'] = node['description']
115 ret['properties'] = node['properties']
116 if 'inject_files' in node['properties']:
117 inject_files = node['properties']['inject_files']
118 if inject_files is not None:
119 if isinstance(inject_files, list):
120 for inject_file in inject_files:
121 source_path = os.path.join(self.model.basepath, inject_file['source_path'])
122 with open(source_path, "rb") as f:
123 source_data = f.read()
124 source_data_base64 = base64.b64encode(source_data)
125 inject_file["source_data_base64"] = source_data_base64.decode()
126 if isinstance(inject_files, dict):
127 source_path = os.path.join(self.model.basepath, inject_files['source_path'])
128 with open(source_path, "rb") as f:
129 source_data = f.read()
130 source_data_base64 = base64.b64encode(source_data)
131 inject_files["source_data_base64"] = source_data_base64.decode()
132 virtual_storages = self.model.getRequirementByName(node, 'virtual_storage')
133 ret['virtual_storages'] = list(map(functools.partial(self._trans_virtual_storage), virtual_storages))
134 ret['dependencies'] = [self.model.get_requirement_node_name(x) for x in self.model.getNodeDependencys(node)]
135 virtual_compute = self.model.getCapabilityByName(node, 'virtual_compute')
136 if virtual_compute is not None and 'properties' in virtual_compute:
137 ret['virtual_compute'] = virtual_compute['properties']
138 ret['vls'] = self._get_linked_vl_ids(node, nodeTemplates)
139 ret['cps'] = self._get_virtal_binding_cp_ids(node, nodeTemplates)
140 ret['artifacts'] = self.model.build_artifacts(node)
142 logger.debug("rets:%s", rets)
145 def get_all_endpoint_exposed(self):
147 external_cps = self._get_external_cps(self.model.vnf.get('requirements', None))
148 forward_cps = self._get_forward_cps(self.model.vnf.get('capabilities', None))
149 return {"external_cps": external_cps, "forward_cps": forward_cps}
152 def _trans_virtual_storage(self, virtual_storage):
153 if isinstance(virtual_storage, str):
154 return {"virtual_storage_id": virtual_storage}
157 ret['virtual_storage_id'] = self.model.get_requirement_node_name(virtual_storage)
160 def _get_linked_vl_ids(self, node, node_templates):
162 cps = self._get_virtal_binding_cps(node, node_templates)
164 vl_reqs = self.model.getRequirementByName(cp, 'virtual_link')
165 for vl_req in vl_reqs:
166 vl_ids.append(self.model.get_requirement_node_name(vl_req))
169 def _get_virtal_binding_cp_ids(self, node, nodeTemplates):
170 return [x['name'] for x in self._get_virtal_binding_cps(node, nodeTemplates)]
172 def _get_virtal_binding_cps(self, node, nodeTemplates):
174 for tmpnode in nodeTemplates:
175 if 'requirements' in tmpnode:
176 for item in tmpnode['requirements']:
177 for key, value in list(item.items()):
178 if key.upper().startswith('VIRTUAL_BINDING'):
179 req_node_name = self.model.get_requirement_node_name(value)
180 if req_node_name is not None and req_node_name == node['name']:
184 def _get_node_vdu_id(self, node):
185 vdu_ids = [self.model.get_requirement_node_name(x) for x in self.model.getRequirementByName(node, 'virtual_binding')]
190 def _get_node_vl_id(self, node):
191 vl_ids = [self.model.get_requirement_node_name(x) for x in self.model.getRequirementByName(node, 'virtual_link')]
196 def _buil_cp_vls(self, node):
197 return [self._build_cp_vl(x) for x in self.model.getRequirementByName(node, 'virtual_link')]
199 def _build_cp_vl(self, req):
201 cp_vl['vl_id'] = self.model.get_prop_from_obj(req, 'node')
202 relationship = self.model.get_prop_from_obj(req, 'relationship')
203 if relationship is not None:
204 properties = self.model.get_prop_from_obj(relationship, 'properties')
205 if properties is not None and isinstance(properties, dict):
206 for key, value in list(properties.items()):
210 def _get_external_cps(self, vnf_requirements):
213 if isinstance(vnf_requirements, dict):
214 for key, value in list(vnf_requirements.items()):
215 if isinstance(value, list) and len(value) > 0:
216 external_cps.append({"key_name": key, "cpd_id": value[0]})
218 external_cps.append({"key_name": key, "cpd_id": value})
219 elif isinstance(vnf_requirements, list):
220 for vnf_requirement in vnf_requirements:
221 for key, value in list(vnf_requirement.items()):
222 if isinstance(value, list) and len(value) > 0:
223 external_cps.append({"key_name": key, "cpd_id": value[0]})
225 external_cps.append({"key_name": key, "cpd_id": value})
228 def _get_forward_cps(self, vnf_capabilities):
231 for key, value in list(vnf_capabilities.items()):
232 if isinstance(value, list) and len(value) > 0:
233 forward_cps.append({"key_name": key, "cpd_id": value[0]})
235 forward_cps.append({"key_name": key, "cpd_id": value})