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']
92 vlp = vl['properties']
93 nodep = node['properties']
94 vlp['connectivity_type']['layer_protocol'] = nodep['connectivity_type']['layer_protocols'][0]
95 vlp['vl_profile']['max_bit_rate_requirements'] = nodep['vl_profile']['max_bitrate_requirements']
96 vlp['vl_profile']['min_bit_rate_requirements'] = nodep['vl_profile']['min_bitrate_requirements']
97 if 'virtual_link_protocol_data' in nodep['vl_profile']:
98 protocol_data = nodep['vl_profile']['virtual_link_protocol_data'][0]
99 vlp['vl_profile']['associated_layer_protocol'] = protocol_data['associated_layer_protocol']
100 if 'l3_protocol_data' in protocol_data:
101 l3 = protocol_data['l3_protocol_data']
102 vlp['vl_profile']['networkName'] = l3.get("name", "")
103 vlp['vl_profile']['cidr'] = l3.get("cidr", "")
104 vlp['vl_profile']['dhcpEnabled'] = l3.get("dhcp_enabled", "")
105 vlp['vl_profile']['ip_version'] = l3.get("ip_version", "")
106 if 'l2_protocol_data' in protocol_data:
107 l2 = protocol_data['l2_protocol_data']
108 vlp['vl_profile']['physicalNetwork'] = l2.get("physical_network", "")
112 def get_all_cp(self, nodeTemplates, node_types):
114 for node in nodeTemplates:
115 if self.model.isNodeTypeX(node, node_types, VDU_CP_TYPE):
117 cp['cp_id'] = node['name']
118 cp['cpd_id'] = node['name']
119 cp['description'] = node['description']
120 cp['properties'] = {}
121 nodep = node['properties']
122 cp['properties']['trunk_mode'] = nodep.get("trunk_mode", "")
123 cp['properties']['layer_protocol'] = nodep.get("layer_protocols", "")
124 if 'vnic_type' in nodep:
125 cp['properties']['vnic_type'] = nodep.get("vnic_type", "normal")
126 if 'virtual_network_interface_requirements' in nodep:
127 cp['properties']['virtual_network_interface_requirements'] = nodep.get("virtual_network_interface_requirements", "")
128 if "protocol" in nodep:
129 node_protocol = nodep['protocol'][0]
130 cp['properties']['protocol_data'] = nodep['protocol']
131 cp_protocol = cp['properties']['protocol_data'][0]
132 cp_protocol['asscociated_layer_protocol'] = node_protocol['associated_layer_protocol']
133 if "address_data" in node_protocol:
134 cp_protocol['address_data'] = node_protocol['address_data'][0]
136 cp['vl_id'] = self._get_node_vl_id(node)
137 cp['vdu_id'] = self._get_node_vdu_id(node)
138 vls = self._buil_cp_vls(node)
144 def get_all_volume_storage(self, nodeTemplates, node_types):
146 for node in nodeTemplates:
147 if self.model.isNodeTypeX(node, node_types, VDU_STORAGE_TYPE):
149 ret['volume_storage_id'] = node['name']
150 if 'description' in node:
151 ret['description'] = node['description']
152 ret['properties'] = node['properties']
156 def get_all_vdu(self, nodeTemplates, node_types):
159 for node in nodeTemplates:
160 logger.debug("nodeTemplates :%s", node)
161 if self.model.isNodeTypeX(node, node_types, VDU_COMPUTE_TYPE):
163 ret['vdu_id'] = node['name']
164 ret['type'] = node['nodeType']
165 if 'description' in node:
166 ret['description'] = node['description']
167 ret['properties'] = node['properties']
168 if 'boot_data' in node['properties']:
169 ret['properties']['user_data'] = node['properties']['boot_data']
170 del ret['properties']['boot_data']
171 if 'inject_files' in node['properties']:
172 inject_files = node['properties']['inject_files']
173 if inject_files is not None:
174 if isinstance(inject_files, list):
175 for inject_file in inject_files:
176 source_path = os.path.join(self.model.basepath, inject_file['source_path'])
177 with open(source_path, "rb") as f:
178 source_data = f.read()
179 source_data_base64 = base64.b64encode(source_data)
180 inject_file["source_data_base64"] = source_data_base64.decode()
181 if isinstance(inject_files, dict):
182 source_path = os.path.join(self.model.basepath, inject_files['source_path'])
183 with open(source_path, "rb") as f:
184 source_data = f.read()
185 source_data_base64 = base64.b64encode(source_data)
186 inject_files["source_data_base64"] = source_data_base64.decode()
187 ret['dependencies'] = [self.model.get_requirement_node_name(x) for x in self.model.getNodeDependencys(node)]
188 virtual_compute = self.model.getCapabilityByName(node, 'virtual_compute')
189 if virtual_compute is not None and 'properties' in virtual_compute:
191 vc['virtual_cpu'] = virtual_compute['properties']['virtual_cpu']
192 vc['virtual_memory'] = virtual_compute['properties']['virtual_memory']
193 vc['virtual_storages'] = virtual_compute['properties'].get("virtual_local_storage", {})
194 ret['virtual_compute'] = vc
195 ret['vls'] = self._get_linked_vl_ids(node, nodeTemplates)
196 ret['cps'] = self._get_virtal_binding_cp_ids(node, nodeTemplates)
197 ret['artifacts'] = self.model.build_artifacts(node)
199 logger.debug("rets:%s", rets)
202 def get_all_endpoint_exposed(self):
204 external_cps = self._get_external_cps(self.model.vnf.get('requirements', None))
205 forward_cps = self._get_forward_cps(self.model.vnf.get('capabilities', None))
206 return {"external_cps": external_cps, "forward_cps": forward_cps}
209 def _get_property(self, properties, metadata, ptype, meta_types):
210 if ptype not in properties or properties[ptype] == "":
211 for mtype in meta_types:
212 data = metadata.get(mtype, "")
214 properties[ptype] = data
216 def _trans_virtual_storage(self, virtual_storage):
217 if isinstance(virtual_storage, str):
218 return {"virtual_storage_id": virtual_storage}
221 ret['virtual_storage_id'] = self.model.get_requirement_node_name(virtual_storage)
224 def _get_linked_vl_ids(self, node, node_templates):
226 cps = self._get_virtal_binding_cps(node, node_templates)
228 vl_reqs = self.model.getRequirementByName(cp, 'virtual_link')
229 for vl_req in vl_reqs:
230 vl_ids.append(self.model.get_requirement_node_name(vl_req))
233 def _get_virtal_binding_cp_ids(self, node, nodeTemplates):
234 return [x['name'] for x in self._get_virtal_binding_cps(node, nodeTemplates)]
236 def _get_virtal_binding_cps(self, node, nodeTemplates):
238 for tmpnode in nodeTemplates:
239 if 'requirements' in tmpnode:
240 for item in tmpnode['requirements']:
241 for key, value in list(item.items()):
242 if key.upper().startswith('VIRTUAL_BINDING'):
243 req_node_name = self.model.get_requirement_node_name(value)
244 if req_node_name is not None and req_node_name == node['name']:
248 def _get_node_vdu_id(self, node):
249 vdu_ids = [self.model.get_requirement_node_name(x) for x in self.model.getRequirementByName(node, 'virtual_binding')]
254 def _get_node_vl_id(self, node):
255 vl_ids = [self.model.get_requirement_node_name(x) for x in self.model.getRequirementByName(node, 'virtual_link')]
260 def _buil_cp_vls(self, node):
261 return [self._build_cp_vl(x) for x in self.model.getRequirementByName(node, 'virtual_link')]
263 def _build_cp_vl(self, req):
265 cp_vl['vl_id'] = self.model.get_prop_from_obj(req, 'node')
266 relationship = self.model.get_prop_from_obj(req, 'relationship')
267 if relationship is not None:
268 properties = self.model.get_prop_from_obj(relationship, 'properties')
269 if properties is not None and isinstance(properties, dict):
270 for key, value in list(properties.items()):
274 def _get_external_cps(self, vnf_requirements):
277 if isinstance(vnf_requirements, dict):
278 for key, value in list(vnf_requirements.items()):
279 if isinstance(value, list) and len(value) > 0:
280 external_cps.append({"key_name": key, "cpd_id": value[0]})
282 external_cps.append({"key_name": key, "cpd_id": value})
283 elif isinstance(vnf_requirements, list):
284 for vnf_requirement in vnf_requirements:
285 for key, value in list(vnf_requirement.items()):
286 if isinstance(value, list) and len(value) > 0:
287 external_cps.append({"key_name": key, "cpd_id": value[0]})
289 external_cps.append({"key_name": key, "cpd_id": value})
292 def _get_forward_cps(self, vnf_capabilities):
295 for key, value in list(vnf_capabilities.items()):
296 if isinstance(value, list) and len(value) > 0:
297 forward_cps.append({"key_name": key, "cpd_id": value[0]})
299 forward_cps.append({"key_name": key, "cpd_id": value})