genericparser/pub/utils/toscaparsers/vnfdparser/vnfd_sol_base.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 VnfdSOLBase():
  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         if properties.get("descriptor_id", "") == "":
  36             descriptor_id = metadata.get("descriptor_id", "")
  37             if descriptor_id == "":
  38                 descriptor_id = metadata.get("id", "")
  39             if descriptor_id == "":
  40                 descriptor_id = metadata.get("UUID", "")
  41             properties["descriptor_id"] = descriptor_id
  42
  43         if properties.get("descriptor_version", "") == "":
  44             version = metadata.get("template_version", "")
  45             if version == "":
  46                 version = metadata.get("version", "")
  47             properties["descriptor_version"] = version
  48
  49         if properties.get("provider", "") == "":
  50             provider = metadata.get("template_author", "")
  51             if provider == "":
  52                 provider = metadata.get("provider", "")
  53             properties["provider"] = provider
  54
  55         if properties.get("template_name", "") == "":
  56             template_name = metadata.get("template_name", "")
  57             if template_name == "":
  58                 template_name = metadata.get("template_name", "")
  59             properties["template_name"] = template_name
  60         logger.debug("vnf:%s", vnf)
  61         return vnf
  62
  63     def get_all_vl(self, nodeTemplates, node_types):
  64         vls = []
  65         for node in nodeTemplates:
  66             if self.model.isNodeTypeX(node, node_types, VNF_VL_TYPE):
  67                 vl = dict()
  68                 vl['vl_id'] = node['name']
  69                 vl['description'] = node['description']
  70                 vl['properties'] = node['properties']
  71                 vls.append(vl)
  72         return vls
  73
  74     def get_all_cp(self, nodeTemplates, node_types):
  75         cps = []
  76         for node in nodeTemplates:
  77             if self.model.isNodeTypeX(node, node_types, VDU_CP_TYPE):
  78                 cp = {}
  79                 cp['cp_id'] = node['name']
  80                 cp['cpd_id'] = node['name']
  81                 cp['description'] = node['description']
  82                 cp['properties'] = node['properties']
  83                 cp['vl_id'] = self._get_node_vl_id(node)
  84                 cp['vdu_id'] = self._get_node_vdu_id(node)
  85                 vls = self._buil_cp_vls(node)
  86                 if len(vls) > 1:
  87                     cp['vls'] = vls
  88                 cps.append(cp)
  89         return cps
  90
  91     def get_all_volume_storage(self, nodeTemplates, node_types):
  92         rets = []
  93         for node in nodeTemplates:
  94             if self.model.isNodeTypeX(node, node_types, VDU_STORAGE_TYPE):
  95                 ret = {}
  96                 ret['volume_storage_id'] = node['name']
  97                 if 'description' in node:
  98                     ret['description'] = node['description']
  99                 ret['properties'] = node['properties']
 100                 rets.append(ret)
 101         return rets
 102
 103     def get_all_vdu(self, nodeTemplates, node_types):
 104         rets = []
 105         inject_files = []
 106         for node in nodeTemplates:
 107             logger.debug("nodeTemplates :%s", node)
 108             if self.model.isNodeTypeX(node, node_types, VDU_COMPUTE_TYPE):
 109                 ret = {}
 110                 ret['vdu_id'] = node['name']
 111                 ret['type'] = node['nodeType']
 112                 if 'description' in node:
 113                     ret['description'] = node['description']
 114                 ret['properties'] = node['properties']
 115                 if 'inject_files' in node['properties']:
 116                     inject_files = node['properties']['inject_files']
 117                 if inject_files is not None:
 118                     if isinstance(inject_files, list):
 119                         for inject_file in inject_files:
 120                             source_path = os.path.join(self.model.basepath, inject_file['source_path'])
 121                             with open(source_path, "rt") as f:
 122                                 source_data = f.read()
 123                                 inject_file["source_data_base64"] = source_data
 124                     if isinstance(inject_files, dict):
 125                         source_path = os.path.join(self.model.basepath, inject_files['source_path'])
 126                         with open(source_path, "rt") as f:
 127                             source_data = f.read()
 128                             inject_files["source_data_base64"] = source_data
 129                 virtual_storages = self.model.getRequirementByName(node, 'virtual_storage')
 130                 ret['virtual_storages'] = list(map(functools.partial(self._trans_virtual_storage), virtual_storages))
 131                 ret['dependencies'] = [self.model.get_requirement_node_name(x) for x in self.model.getNodeDependencys(node)]
 132                 virtual_compute = self.model.getCapabilityByName(node, 'virtual_compute')
 133                 if virtual_compute is not None and 'properties' in virtual_compute:
 134                     ret['virtual_compute'] = virtual_compute['properties']
 135                 ret['vls'] = self._get_linked_vl_ids(node, nodeTemplates)
 136                 ret['cps'] = self._get_virtal_binding_cp_ids(node, nodeTemplates)
 137                 ret['artifacts'] = self.model.build_artifacts(node)
 138                 rets.append(ret)
 139         logger.debug("rets:%s", rets)
 140         return rets
 141
 142     def get_all_endpoint_exposed(self):
 143         if self.model.vnf:
 144             external_cps = self._get_external_cps(self.model.vnf.get('requirements', None))
 145             forward_cps = self._get_forward_cps(self.model.vnf.get('capabilities', None))
 146             return {"external_cps": external_cps, "forward_cps": forward_cps}
 147         return {}
 148
 149     def _trans_virtual_storage(self, virtual_storage):
 150         if isinstance(virtual_storage, str):
 151             return {"virtual_storage_id": virtual_storage}
 152         else:
 153             ret = {}
 154             ret['virtual_storage_id'] = self.model.get_requirement_node_name(virtual_storage)
 155             return ret
 156
 157     def _get_linked_vl_ids(self, node, node_templates):
 158         vl_ids = []
 159         cps = self._get_virtal_binding_cps(node, node_templates)
 160         for cp in cps:
 161             vl_reqs = self.model.getRequirementByName(cp, 'virtual_link')
 162             for vl_req in vl_reqs:
 163                 vl_ids.append(self.model.get_requirement_node_name(vl_req))
 164         return vl_ids
 165
 166     def _get_virtal_binding_cp_ids(self, node, nodeTemplates):
 167         return [x['name'] for x in self._get_virtal_binding_cps(node, nodeTemplates)]
 168
 169     def _get_virtal_binding_cps(self, node, nodeTemplates):
 170         cps = []
 171         for tmpnode in nodeTemplates:
 172             if 'requirements' in tmpnode:
 173                 for item in tmpnode['requirements']:
 174                     for key, value in list(item.items()):
 175                         if key.upper().startswith('VIRTUAL_BINDING'):
 176                             req_node_name = self.model.get_requirement_node_name(value)
 177                             if req_node_name is not None and req_node_name == node['name']:
 178                                 cps.append(tmpnode)
 179         return cps
 180
 181     def _get_node_vdu_id(self, node):
 182         vdu_ids = [self.model.get_requirement_node_name(x) for x in self.model.getRequirementByName(node, 'virtual_binding')]
 183         if len(vdu_ids) > 0:
 184             return vdu_ids[0]
 185         return ""
 186
 187     def _get_node_vl_id(self, node):
 188         vl_ids = [self.model.get_requirement_node_name(x) for x in self.model.getRequirementByName(node, 'virtual_link')]
 189         if len(vl_ids) > 0:
 190             return vl_ids[0]
 191         return ""
 192
 193     def _buil_cp_vls(self, node):
 194         return [self._build_cp_vl(x) for x in self.model.getRequirementByName(node, 'virtual_link')]
 195
 196     def _build_cp_vl(self, req):
 197         cp_vl = {}
 198         cp_vl['vl_id'] = self.model.get_prop_from_obj(req, 'node')
 199         relationship = self.model.get_prop_from_obj(req, 'relationship')
 200         if relationship is not None:
 201             properties = self.model.get_prop_from_obj(relationship, 'properties')
 202             if properties is not None and isinstance(properties, dict):
 203                 for key, value in list(properties.items()):
 204                     cp_vl[key] = value
 205         return cp_vl
 206
 207     def _get_external_cps(self, vnf_requirements):
 208         external_cps = []
 209         if vnf_requirements:
 210             if isinstance(vnf_requirements, dict):
 211                 for key, value in list(vnf_requirements.items()):
 212                     if isinstance(value, list) and len(value) > 0:
 213                         external_cps.append({"key_name": key, "cpd_id": value[0]})
 214                     else:
 215                         external_cps.append({"key_name": key, "cpd_id": value})
 216             elif isinstance(vnf_requirements, list):
 217                 for vnf_requirement in vnf_requirements:
 218                     for key, value in list(vnf_requirement.items()):
 219                         if isinstance(value, list) and len(value) > 0:
 220                             external_cps.append({"key_name": key, "cpd_id": value[0]})
 221                         else:
 222                             external_cps.append({"key_name": key, "cpd_id": value})
 223         return external_cps
 224
 225     def _get_forward_cps(self, vnf_capabilities):
 226         forward_cps = []
 227         if vnf_capabilities:
 228             for key, value in list(vnf_capabilities.items()):
 229                 if isinstance(value, list) and len(value) > 0:
 230                     forward_cps.append({"key_name": key, "cpd_id": value[0]})
 231                 else:
 232                     forward_cps.append({"key_name": key, "cpd_id": value})
 233         return forward_cps