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# 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
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