diff options
Diffstat (limited to 'genericparser/pub/utils/toscaparsers/vnfdmodel.py')
| -rw-r--r-- | genericparser/pub/utils/toscaparsers/vnfdmodel.py | 265 |
1 files changed, 265 insertions, 0 deletions
diff --git a/genericparser/pub/utils/toscaparsers/vnfdmodel.py b/genericparser/pub/utils/toscaparsers/vnfdmodel.py new file mode 100644 index 0000000..7b4423d --- /dev/null +++ b/genericparser/pub/utils/toscaparsers/vnfdmodel.py @@ -0,0 +1,265 @@ +# Copyright 2017 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 +from genericparser.pub.utils.toscaparsers.basemodel import BaseInfoModel +# from genericparser.pub.exceptions import CatalogException + +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') + +NFV_VNF_RELATIONSHIPS = [["tosca.relationships.nfv.VirtualLinksTo", "tosca.relationships.nfv.VduAttachesTo", "tosca.relationships.nfv.AttachesTo", "tosca.relationships.nfv.Vdu.AttachedTo", "tosca.relationships.DependsOn"], + ["tosca.nodes.relationships.VirtualBindsTo", "tosca.relationships.nfv.VirtualBindsTo"]] + + +class EtsiVnfdInfoModel(BaseInfoModel): + + def __init__(self, path, params): + super(EtsiVnfdInfoModel, self).__init__(path, params) + + def parseModel(self, tosca): + self.vnf = {} + self.vnf = self._build_vnf(tosca) + self.metadata = self.buildMetadata(tosca) + self.inputs = self.buildInputs(tosca) + nodeTemplates = map(functools.partial(self.buildNode, tosca=tosca), + tosca.nodetemplates) + node_types = tosca.topology_template.custom_defs + self.basepath = self.get_base_path(tosca) + self.volume_storages = self._get_all_volume_storage(nodeTemplates, node_types) + self.vdus = self._get_all_vdu(nodeTemplates, node_types) + self.vls = self._get_all_vl(nodeTemplates, node_types) + self.cps = self._get_all_cp(nodeTemplates, node_types) + self.vnf_exposed = self._get_all_endpoint_exposed() + self.graph = self.get_deploy_graph(tosca, NFV_VNF_RELATIONSHIPS) + + def _get_all_volume_storage(self, nodeTemplates, node_types): + rets = [] + for node in nodeTemplates: + if self.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'] + # image_file should be gotten form artifacts TODO + # ret['artifacts'] = self._build_artifacts(node) + 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.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.basepath, inject_file['source_path']) + with open(source_path, "rb") as f: + source_data = f.read() + source_data_base64 = source_data.encode("base64") + inject_file["source_data_base64"] = source_data_base64 + if isinstance(inject_files, dict): + source_path = os.path.join(self.basepath, inject_files['source_path']) + with open(source_path, "rb") as f: + source_data = f.read() + source_data_base64 = source_data.encode("base64") + inject_files["source_data_base64"] = source_data_base64 + virtual_storages = self.getRequirementByName(node, 'virtual_storage') + ret['virtual_storages'] = map(functools.partial(self._trans_virtual_storage), virtual_storages) + ret['dependencies'] = map(lambda x: self.get_requirement_node_name(x), self.getNodeDependencys(node)) + virtual_compute = self.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.build_artifacts(node) + rets.append(ret) + logger.debug("rets:%s", rets) + return rets + + 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.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.getRequirementByName(cp, 'virtual_link') + for vl_req in vl_reqs: + vl_ids.append(self.get_requirement_node_name(vl_req)) + return vl_ids + + def _get_virtal_binding_cp_ids(self, node, nodeTemplates): + return map(lambda x: x['name'], 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 item.items(): + if key.upper().startswith('VIRTUAL_BINDING'): + req_node_name = self.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_all_vl(self, nodeTemplates, node_types): + vls = [] + for node in nodeTemplates: + if self.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.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_node_vdu_id(self, node): + vdu_ids = map(lambda x: self.get_requirement_node_name(x), self.getRequirementByName(node, 'virtual_binding')) + if len(vdu_ids) > 0: + return vdu_ids[0] + return "" + + def _get_node_vl_id(self, node): + vl_ids = map(lambda x: self.get_requirement_node_name(x), self.getRequirementByName(node, 'virtual_link')) + if len(vl_ids) > 0: + return vl_ids[0] + return "" + + def _buil_cp_vls(self, node): + return map(lambda x: self._build_cp_vl(x), self.getRequirementByName(node, 'virtual_link')) + + def _build_cp_vl(self, req): + cp_vl = {} + cp_vl['vl_id'] = self.get_prop_from_obj(req, 'node') + relationship = self.get_prop_from_obj(req, 'relationship') + if relationship is not None: + properties = self.get_prop_from_obj(relationship, 'properties') + if properties is not None and isinstance(properties, dict): + for key, value in properties.items(): + cp_vl[key] = value + return cp_vl + + def _get_all_endpoint_exposed(self): + if self.vnf: + external_cps = self._get_external_cps(self.vnf.get('requirements', None)) + forward_cps = self._get_forward_cps(self.vnf.get('capabilities', None)) + return {"external_cps": external_cps, "forward_cps": forward_cps} + return {} + + def _get_external_cps(self, vnf_requirements): + external_cps = [] + if vnf_requirements: + if isinstance(vnf_requirements, dict): + for key, value in 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 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 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 + + # def get_substitution_mappings(self, tosca): + # node = {} + # substitution_mappings = tosca.tpl['topology_template'].get('substitution_mappings', None) + # if substitution_mappings: + # node = substitution_mappings.get('properties', {}) + # node['type'] = substitution_mappings['node_type'] + # return node + + def _build_vnf(self, tosca): + vnf = self.get_substitution_mappings(tosca) + properties = vnf.get("properties", {}) + metadata = vnf.get("metadata", {}) + if properties.get("descriptor_id", "") == "": + descriptor_id = metadata.get("descriptor_id", "") + if descriptor_id == "": + descriptor_id = metadata.get("id", "") + if descriptor_id == "": + descriptor_id = metadata.get("UUID", "") + properties["descriptor_id"] = descriptor_id + + if properties.get("descriptor_verison", "") == "": + version = metadata.get("template_version", "") + if version == "": + version = metadata.get("version", "") + properties["descriptor_verison"] = version + + if properties.get("provider", "") == "": + provider = metadata.get("template_author", "") + if provider == "": + provider = metadata.get("provider", "") + properties["provider"] = provider + + if properties.get("template_name", "") == "": + template_name = metadata.get("template_name", "") + if template_name == "": + template_name = metadata.get("template_name", "") + properties["template_name"] = template_name + + return vnf |