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# 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 logging
import os
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']
vlp = vl['properties']
nodep = node['properties']
vlp['connectivity_type']['layer_protocol'] = nodep['connectivity_type']['layer_protocols']
vlp['vl_profile']['max_bit_rate_requirements'] = nodep['vl_profile']['max_bitrate_requirements']
vlp['vl_profile']['min_bit_rate_requirements'] = nodep['vl_profile']['min_bitrate_requirements']
if 'virtual_link_protocol_data' in nodep['vl_profile']:
protocol_data = nodep['vl_profile']['virtual_link_protocol_data'][0]
vlp['vl_profile']['associated_layer_protocol'] = protocol_data['associated_layer_protocol']
if 'l3_protocol_data' in protocol_data:
l3 = protocol_data['l3_protocol_data']
vlp['vl_profile']['networkName'] = l3.get("name", "")
vlp['vl_profile']['cidr'] = l3.get("cidr", "")
vlp['vl_profile']['dhcpEnabled'] = l3.get("dhcp_enabled", "")
vlp['vl_profile']['ip_version'] = l3.get("ip_version", "")
if 'l2_protocol_data' in protocol_data:
l2 = protocol_data['l2_protocol_data']
vlp['vl_profile']['physicalNetwork'] = l2.get("physical_network", "")
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'] = {}
nodep = node['properties']
cp['properties']['trunk_mode'] = nodep.get("trunk_mode", "")
cp['properties']['layer_protocol'] = nodep.get("layer_protocols", "")
if 'vnic_type' in nodep:
cp['properties']['vnic_type'] = nodep.get("vnic_type", "normal")
if 'virtual_network_interface_requirements' in nodep:
cp['properties']['virtual_network_interface_requirements'] = nodep.get("virtual_network_interface_requirements", "")
if "protocol" in nodep:
node_protocol = nodep['protocol'][0]
cp['properties']['protocol_data'] = nodep['protocol']
cp_protocol = cp['properties']['protocol_data'][0]
cp_protocol['asscociated_layer_protocol'] = node_protocol['associated_layer_protocol']
if "address_data" in node_protocol:
cp_protocol['address_data'] = node_protocol['address_data'][0]
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 'boot_data' in node['properties']:
ret['properties']['user_data'] = node['properties']['boot_data']
del ret['properties']['boot_data']
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, "rt") as f:
source_data = f.read()
inject_file["source_data_base64"] = source_data
if isinstance(inject_files, dict):
source_path = os.path.join(self.model.basepath, inject_files['source_path'])
with open(source_path, "rt") as f:
source_data = f.read()
inject_files["source_data_base64"] = source_data
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:
vc = {}
vc['virtual_cpu'] = virtual_compute['properties']['virtual_cpu']
vc['virtual_memory'] = virtual_compute['properties']['virtual_memory']
vc['virtual_storages'] = virtual_compute['properties'].get("virtual_local_storage", {})
ret['virtual_compute'] = vc
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
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