genericparser/pub/utils/toscaparsers/vnfdparser/vnfd_sol_251.py

   1 # Copyright 2019 ZTE Corporation.
   2 #
   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
   6 #
   7 #         http://www.apache.org/licenses/LICENSE-2.0
   8 #
   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.
  14
  15 import functools
  16 import logging
  17 import os
  18
  19
  20 logger = logging.getLogger(__name__)
  21
  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')
  24
  25
  26 class VnfdSOL251():
  27
  28     def __init__(self, model):
  29         self.model = model
  30
  31     def build_vnf(self, tosca):
  32         vnf = self.model.get_substitution_mappings(tosca)
  33         properties = vnf.get("properties", {})
  34         metadata = vnf.get("metadata", {})
  35
  36         for key, value in 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", {})
  42                 else:
  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)
  47
  48         ptype = "descriptor_version"
  49         meta_types = ["template_version", "version"]
  50         self._get_property(properties, metadata, ptype, meta_types)
  51
  52         ptype = "provider"
  53         meta_types = ["template_author", "provider"]
  54         self._get_property(properties, metadata, ptype, meta_types)
  55
  56         ptype = "template_name"
  57         meta_types = ["template_name"]
  58         self._get_property(properties, metadata, ptype, meta_types)
  59
  60         ptype = "software_version"
  61         meta_types = ["software_version"]
  62         self._get_property(properties, metadata, ptype, meta_types)
  63
  64         ptype = "product_name"
  65         meta_types = ["product_name"]
  66         self._get_property(properties, metadata, ptype, meta_types)
  67
  68         ptype = "flavour_description"
  69         meta_types = ["flavour_description"]
  70         self._get_property(properties, metadata, ptype, meta_types)
  71
  72         ptype = "vnfm_info"
  73         meta_types = ["vnfm_info"]
  74         self._get_property(properties, metadata, ptype, meta_types)
  75
  76         ptype = "flavour_id"
  77         meta_types = ["flavour_id"]
  78         self._get_property(properties, metadata, ptype, meta_types)
  79
  80         logger.debug("vnf:%s", vnf)
  81
  82         return vnf
  83
  84     def get_all_vl(self, nodeTemplates, node_types):
  85         vls = []
  86         for node in nodeTemplates:
  87             if self.model.isNodeTypeX(node, node_types, VNF_VL_TYPE):
  88                 vl = dict()
  89                 vl['vl_id'] = node['name']
  90                 vl['description'] = node['description']
  91                 vl['properties'] = node['properties']
  92                 vls.append(vl)
  93         return vls
  94
  95     def get_all_cp(self, nodeTemplates, node_types):
  96         cps = []
  97         for node in nodeTemplates:
  98             if self.model.isNodeTypeX(node, node_types, VDU_CP_TYPE):
  99                 cp = {}
 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)
 107                 if len(vls) > 1:
 108                     cp['vls'] = vls
 109                 cps.append(cp)
 110         return cps
 111
 112     def get_all_volume_storage(self, nodeTemplates, node_types):
 113         rets = []
 114         for node in nodeTemplates:
 115             if self.model.isNodeTypeX(node, node_types, VDU_STORAGE_TYPE):
 116                 ret = {}
 117                 ret['volume_storage_id'] = node['name']
 118                 if 'description' in node:
 119                     ret['description'] = node['description']
 120                 ret['properties'] = node['properties']
 121                 rets.append(ret)
 122         return rets
 123
 124     def get_all_vdu(self, nodeTemplates, node_types):
 125         rets = []
 126         inject_files = []
 127         for node in nodeTemplates:
 128             logger.debug("nodeTemplates :%s", node)
 129             if self.model.isNodeTypeX(node, node_types, VDU_COMPUTE_TYPE):
 130                 ret = {}
 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, "rb") as f:
 143                                 source_data = f.read()
 144                                 source_data_base64 = source_data.encode("base64")
 145                                 inject_file["source_data_base64"] = source_data_base64
 146                     if isinstance(inject_files, dict):
 147                         source_path = os.path.join(self.model.basepath, inject_files['source_path'])
 148                         with open(source_path, "rb") as f:
 149                             source_data = f.read()
 150                             source_data_base64 = source_data.encode("base64")
 151                             inject_files["source_data_base64"] = source_data_base64
 152                 virtual_storages = self.model.getRequirementByName(node, 'virtual_storage')
 153                 ret['virtual_storages'] = map(functools.partial(self._trans_virtual_storage), virtual_storages)
 154                 ret['dependencies'] = map(lambda x: self.model.get_requirement_node_name(x), self.model.getNodeDependencys(node))
 155                 virtual_compute = self.model.getCapabilityByName(node, 'virtual_compute')
 156                 if virtual_compute is not None and 'properties' in virtual_compute:
 157                     ret['virtual_compute'] = virtual_compute['properties']
 158                 ret['vls'] = self._get_linked_vl_ids(node, nodeTemplates)
 159                 ret['cps'] = self._get_virtal_binding_cp_ids(node, nodeTemplates)
 160                 ret['artifacts'] = self.model.build_artifacts(node)
 161                 rets.append(ret)
 162         logger.debug("rets:%s", rets)
 163         return rets
 164
 165     def get_all_endpoint_exposed(self):
 166         if self.model.vnf:
 167             external_cps = self._get_external_cps(self.model.vnf.get('requirements', None))
 168             forward_cps = self._get_forward_cps(self.model.vnf.get('capabilities', None))
 169             return {"external_cps": external_cps, "forward_cps": forward_cps}
 170         return {}
 171
 172     def _get_property(self, properties, metadata, ptype, meta_types):
 173         if ptype not in properties or properties[ptype] == "":
 174             for mtype in meta_types:
 175                 data = metadata.get(mtype, "")
 176                 if data != "":
 177                     properties[ptype] = data
 178
 179     def _trans_virtual_storage(self, virtual_storage):
 180         if isinstance(virtual_storage, str):
 181             return {"virtual_storage_id": virtual_storage}
 182         else:
 183             ret = {}
 184             ret['virtual_storage_id'] = self.model.get_requirement_node_name(virtual_storage)
 185             return ret
 186
 187     def _get_linked_vl_ids(self, node, node_templates):
 188         vl_ids = []
 189         cps = self._get_virtal_binding_cps(node, node_templates)
 190         for cp in cps:
 191             vl_reqs = self.model.getRequirementByName(cp, 'virtual_link')
 192             for vl_req in vl_reqs:
 193                 vl_ids.append(self.model.get_requirement_node_name(vl_req))
 194         return vl_ids
 195
 196     def _get_virtal_binding_cp_ids(self, node, nodeTemplates):
 197         return map(lambda x: x['name'], self._get_virtal_binding_cps(node, nodeTemplates))
 198
 199     def _get_virtal_binding_cps(self, node, nodeTemplates):
 200         cps = []
 201         for tmpnode in nodeTemplates:
 202             if 'requirements' in tmpnode:
 203                 for item in tmpnode['requirements']:
 204                     for key, value in item.items():
 205                         if key.upper().startswith('VIRTUAL_BINDING'):
 206                             req_node_name = self.model.get_requirement_node_name(value)
 207                             if req_node_name is not None and req_node_name == node['name']:
 208                                 cps.append(tmpnode)
 209         return cps
 210
 211     def _get_node_vdu_id(self, node):
 212         vdu_ids = map(lambda x: self.model.get_requirement_node_name(x), self.model.getRequirementByName(node, 'virtual_binding'))
 213         if len(vdu_ids) > 0:
 214             return vdu_ids[0]
 215         return ""
 216
 217     def _get_node_vl_id(self, node):
 218         vl_ids = map(lambda x: self.model.get_requirement_node_name(x), self.model.getRequirementByName(node, 'virtual_link'))
 219         if len(vl_ids) > 0:
 220             return vl_ids[0]
 221         return ""
 222
 223     def _buil_cp_vls(self, node):
 224         return map(lambda x: self._build_cp_vl(x), self.model.getRequirementByName(node, 'virtual_link'))
 225
 226     def _build_cp_vl(self, req):
 227         cp_vl = {}
 228         cp_vl['vl_id'] = self.model.get_prop_from_obj(req, 'node')
 229         relationship = self.model.get_prop_from_obj(req, 'relationship')
 230         if relationship is not None:
 231             properties = self.model.get_prop_from_obj(relationship, 'properties')
 232             if properties is not None and isinstance(properties, dict):
 233                 for key, value in properties.items():
 234                     cp_vl[key] = value
 235         return cp_vl
 236
 237     def _get_external_cps(self, vnf_requirements):
 238         external_cps = []
 239         if vnf_requirements:
 240             if isinstance(vnf_requirements, dict):
 241                 for key, value in vnf_requirements.items():
 242                     if isinstance(value, list) and len(value) > 0:
 243                         external_cps.append({"key_name": key, "cpd_id": value[0]})
 244                     else:
 245                         external_cps.append({"key_name": key, "cpd_id": value})
 246             elif isinstance(vnf_requirements, list):
 247                 for vnf_requirement in vnf_requirements:
 248                     for key, value in vnf_requirement.items():
 249                         if isinstance(value, list) and len(value) > 0:
 250                             external_cps.append({"key_name": key, "cpd_id": value[0]})
 251                         else:
 252                             external_cps.append({"key_name": key, "cpd_id": value})
 253         return external_cps
 254
 255     def _get_forward_cps(self, vnf_capabilities):
 256         forward_cps = []
 257         if vnf_capabilities:
 258             for key, value in vnf_capabilities.items():
 259                 if isinstance(value, list) and len(value) > 0:
 260                     forward_cps.append({"key_name": key, "cpd_id": value[0]})
 261                 else:
 262                     forward_cps.append({"key_name": key, "cpd_id": value})
 263         return forward_cps