-# Copyright 2019 ZTE Corporation.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-import functools
-import logging
-import os
-import base64
-
-
-logger = logging.getLogger(__name__)
-
-SECTIONS = (VDU_COMPUTE_TYPE, VNF_VL_TYPE, VDU_CP_TYPE, VDU_STORAGE_TYPE) = \
- ('tosca.nodes.nfv.Vdu.Compute', 'tosca.nodes.nfv.VnfVirtualLink', 'tosca.nodes.nfv.VduCp', 'tosca.nodes.nfv.Vdu.VirtualStorage')
-
-
-class VnfdSOL251():
-
- def __init__(self, model):
- self.model = model
-
- def build_vnf(self, tosca):
- vnf = self.model.get_substitution_mappings(tosca)
- properties = vnf.get("properties", {})
- metadata = vnf.get("metadata", {})
-
- for key, value in list(properties.items()):
- if isinstance(value, dict):
- if value["type"] == "string":
- properties[key] = value.get("default", "")
- elif value["type"] == "list":
- properties[key] = value.get("default", {})
- else:
- properties[key] = value.get("default", "")
- ptype = "descriptor_id"
- meta_types = ["descriptor_id", "id", "UUID"]
- self._get_property(properties, metadata, ptype, meta_types)
-
- ptype = "descriptor_version"
- meta_types = ["template_version", "version"]
- self._get_property(properties, metadata, ptype, meta_types)
-
- ptype = "provider"
- meta_types = ["template_author", "provider"]
- self._get_property(properties, metadata, ptype, meta_types)
-
- ptype = "template_name"
- meta_types = ["template_name"]
- self._get_property(properties, metadata, ptype, meta_types)
-
- ptype = "software_version"
- meta_types = ["software_version"]
- self._get_property(properties, metadata, ptype, meta_types)
-
- ptype = "product_name"
- meta_types = ["product_name"]
- self._get_property(properties, metadata, ptype, meta_types)
-
- ptype = "flavour_description"
- meta_types = ["flavour_description"]
- self._get_property(properties, metadata, ptype, meta_types)
-
- ptype = "vnfm_info"
- meta_types = ["vnfm_info"]
- self._get_property(properties, metadata, ptype, meta_types)
-
- ptype = "flavour_id"
- meta_types = ["flavour_id"]
- self._get_property(properties, metadata, ptype, meta_types)
-
- logger.debug("vnf:%s", vnf)
-
- return vnf
-
- def get_all_vl(self, nodeTemplates, node_types):
- vls = []
- for node in nodeTemplates:
- if self.model.isNodeTypeX(node, node_types, VNF_VL_TYPE):
- vl = dict()
- vl['vl_id'] = node['name']
- vl['description'] = node['description']
- vl['properties'] = node['properties']
- vls.append(vl)
- return vls
-
- def get_all_cp(self, nodeTemplates, node_types):
- cps = []
- for node in nodeTemplates:
- if self.model.isNodeTypeX(node, node_types, VDU_CP_TYPE):
- cp = {}
- cp['cp_id'] = node['name']
- cp['cpd_id'] = node['name']
- cp['description'] = node['description']
- cp['properties'] = node['properties']
- cp['vl_id'] = self._get_node_vl_id(node)
- cp['vdu_id'] = self._get_node_vdu_id(node)
- vls = self._buil_cp_vls(node)
- if len(vls) > 1:
- cp['vls'] = vls
- cps.append(cp)
- return cps
-
- def get_all_volume_storage(self, nodeTemplates, node_types):
- rets = []
- for node in nodeTemplates:
- if self.model.isNodeTypeX(node, node_types, VDU_STORAGE_TYPE):
- ret = {}
- ret['volume_storage_id'] = node['name']
- if 'description' in node:
- ret['description'] = node['description']
- ret['properties'] = node['properties']
- rets.append(ret)
- return rets
-
- def get_all_vdu(self, nodeTemplates, node_types):
- rets = []
- inject_files = []
- for node in nodeTemplates:
- logger.debug("nodeTemplates :%s", node)
- if self.model.isNodeTypeX(node, node_types, VDU_COMPUTE_TYPE):
- ret = {}
- ret['vdu_id'] = node['name']
- ret['type'] = node['nodeType']
- if 'description' in node:
- ret['description'] = node['description']
- ret['properties'] = node['properties']
- if 'inject_files' in node['properties']:
- inject_files = node['properties']['inject_files']
- if inject_files is not None:
- if isinstance(inject_files, list):
- for inject_file in inject_files:
- source_path = os.path.join(self.model.basepath, inject_file['source_path'])
- with open(source_path, "rb") as f:
- source_data = f.read()
- source_data_base64 = base64.b64encode(source_data)
- inject_file["source_data_base64"] = source_data_base64.decode()
- if isinstance(inject_files, dict):
- source_path = os.path.join(self.model.basepath, inject_files['source_path'])
- with open(source_path, "rb") as f:
- source_data = f.read()
- source_data_base64 = base64.b64encode(source_data)
- inject_files["source_data_base64"] = source_data_base64.decode()
- virtual_storages = self.model.getRequirementByName(node, 'virtual_storage')
- ret['virtual_storages'] = list(map(functools.partial(self._trans_virtual_storage), virtual_storages))
- ret['dependencies'] = [self.model.get_requirement_node_name(x) for x in self.model.getNodeDependencys(node)]
- virtual_compute = self.model.getCapabilityByName(node, 'virtual_compute')
- if virtual_compute is not None and 'properties' in virtual_compute:
- ret['virtual_compute'] = virtual_compute['properties']
- ret['vls'] = self._get_linked_vl_ids(node, nodeTemplates)
- ret['cps'] = self._get_virtal_binding_cp_ids(node, nodeTemplates)
- ret['artifacts'] = self.model.build_artifacts(node)
- rets.append(ret)
- logger.debug("rets:%s", rets)
- return rets
-
- def get_all_endpoint_exposed(self):
- if self.model.vnf:
- external_cps = self._get_external_cps(self.model.vnf.get('requirements', None))
- forward_cps = self._get_forward_cps(self.model.vnf.get('capabilities', None))
- return {"external_cps": external_cps, "forward_cps": forward_cps}
- return {}
-
- def _get_property(self, properties, metadata, ptype, meta_types):
- if ptype not in properties or properties[ptype] == "":
- for mtype in meta_types:
- data = metadata.get(mtype, "")
- if data != "":
- properties[ptype] = data
-
- def _trans_virtual_storage(self, virtual_storage):
- if isinstance(virtual_storage, str):
- return {"virtual_storage_id": virtual_storage}
- else:
- ret = {}
- ret['virtual_storage_id'] = self.model.get_requirement_node_name(virtual_storage)
- return ret
-
- def _get_linked_vl_ids(self, node, node_templates):
- vl_ids = []
- cps = self._get_virtal_binding_cps(node, node_templates)
- for cp in cps:
- vl_reqs = self.model.getRequirementByName(cp, 'virtual_link')
- for vl_req in vl_reqs:
- vl_ids.append(self.model.get_requirement_node_name(vl_req))
- return vl_ids
-
- def _get_virtal_binding_cp_ids(self, node, nodeTemplates):
- return [x['name'] for x in self._get_virtal_binding_cps(node, nodeTemplates)]
-
- def _get_virtal_binding_cps(self, node, nodeTemplates):
- cps = []
- for tmpnode in nodeTemplates:
- if 'requirements' in tmpnode:
- for item in tmpnode['requirements']:
- for key, value in list(item.items()):
- if key.upper().startswith('VIRTUAL_BINDING'):
- req_node_name = self.model.get_requirement_node_name(value)
- if req_node_name is not None and req_node_name == node['name']:
- cps.append(tmpnode)
- return cps
-
- def _get_node_vdu_id(self, node):
- vdu_ids = [self.model.get_requirement_node_name(x) for x in self.model.getRequirementByName(node, 'virtual_binding')]
- if len(vdu_ids) > 0:
- return vdu_ids[0]
- return ""
-
- def _get_node_vl_id(self, node):
- vl_ids = [self.model.get_requirement_node_name(x) for x in self.model.getRequirementByName(node, 'virtual_link')]
- if len(vl_ids) > 0:
- return vl_ids[0]
- return ""
-
- def _buil_cp_vls(self, node):
- return [self._build_cp_vl(x) for x in self.model.getRequirementByName(node, 'virtual_link')]
-
- def _build_cp_vl(self, req):
- cp_vl = {}
- cp_vl['vl_id'] = self.model.get_prop_from_obj(req, 'node')
- relationship = self.model.get_prop_from_obj(req, 'relationship')
- if relationship is not None:
- properties = self.model.get_prop_from_obj(relationship, 'properties')
- if properties is not None and isinstance(properties, dict):
- for key, value in list(properties.items()):
- cp_vl[key] = value
- return cp_vl
-
- def _get_external_cps(self, vnf_requirements):
- external_cps = []
- if vnf_requirements:
- if isinstance(vnf_requirements, dict):
- for key, value in list(vnf_requirements.items()):
- if isinstance(value, list) and len(value) > 0:
- external_cps.append({"key_name": key, "cpd_id": value[0]})
- else:
- external_cps.append({"key_name": key, "cpd_id": value})
- elif isinstance(vnf_requirements, list):
- for vnf_requirement in vnf_requirements:
- for key, value in list(vnf_requirement.items()):
- if isinstance(value, list) and len(value) > 0:
- external_cps.append({"key_name": key, "cpd_id": value[0]})
- else:
- external_cps.append({"key_name": key, "cpd_id": value})
- return external_cps
-
- def _get_forward_cps(self, vnf_capabilities):
- forward_cps = []
- if vnf_capabilities:
- for key, value in list(vnf_capabilities.items()):
- if isinstance(value, list) and len(value) > 0:
- forward_cps.append({"key_name": key, "cpd_id": value[0]})
- else:
- forward_cps.append({"key_name": key, "cpd_id": value})
- return forward_cps