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# -*- coding: utf8 -*-
# ============LICENSE_START====================================================
# org.onap.vvp/validation-scripts
# ===================================================================
# Copyright © 2019 AT&T Intellectual Property. All rights reserved.
# ===================================================================
#
# Unless otherwise specified, all software contained herein is licensed
# under the Apache License, Version 2.0 (the "License");
# you may not use this software 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.
#
#
#
# Unless otherwise specified, all documentation contained herein is licensed
# under the Creative Commons License, Attribution 4.0 Intl. (the "License");
# you may not use this documentation except in compliance with the License.
# You may obtain a copy of the License at
#
# https://creativecommons.org/licenses/by/4.0/
#
# Unless required by applicable law or agreed to in writing, documentation
# 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.
#
# ============LICENSE_END============================================
#
#
import json
import os
from preload.generator import (
get_json_template,
get_or_create_template,
AbstractPreloadGenerator,
)
THIS_DIR = os.path.dirname(os.path.abspath(__file__))
DATA_DIR = os.path.join(THIS_DIR, "vnfapi_data")
def get_or_create_network_template(network_role, vm_networks):
"""
If the network role already exists in vm_networks, then
return that otherwise create a blank template and return that
"""
return get_or_create_template(
DATA_DIR, "network-role", network_role, vm_networks, "vm-network"
)
class VnfApiPreloadGenerator(AbstractPreloadGenerator):
@classmethod
def supports_output_passing(cls):
return False
@classmethod
def format_name(cls):
return "VNF-API"
@classmethod
def output_sub_dir(cls):
return "vnfapi"
def generate_module(self, vnf_module, output_dir):
preload = get_json_template(DATA_DIR, "preload_template")
self._populate(preload, vnf_module)
incomplete = "_incomplete" if self.module_incomplete else ""
outfile = "{}/{}{}.json".format(output_dir, vnf_module.vnf_name, incomplete)
with open(outfile, "w") as f:
json.dump(preload, f, indent=4)
def _populate(self, preload, vnf_module):
self._add_vnf_metadata(preload)
self._add_availability_zones(preload, vnf_module)
self._add_vnf_networks(preload, vnf_module)
self._add_vms(preload, vnf_module)
self._add_parameters(preload, vnf_module)
def _add_vnf_metadata(self, preload):
vnf_meta = preload["input"]["vnf-topology-information"][
"vnf-topology-identifier"
]
vnf_meta["vnf-name"] = self.replace("vnf_name")
vnf_meta["generic-vnf-type"] = self.replace(
"vnf-type",
"VALUE FOR: Concatenation of <Service Name>/"
"<VF Instance Name> MUST MATCH SDC",
)
vnf_meta["vnf-type"] = self.replace(
"vf-module-model-name", "VALUE FOR: <vfModuleModelName> from CSAR or SDC"
)
def add_floating_ips(self, network_template, network):
# only one floating IP is really supported, in the preload model
# so for now we'll just use the last one. We might revisit this
# and if multiple floating params exist, then come up with an
# approach to pick just one
for ip in network.floating_ips:
key = "floating-ip" if ip.ip_version == 4 else "floating-ip-v6"
network_template[key] = self.replace(ip.param, single=True)
def add_fixed_ips(self, network_template, port):
for ip in port.fixed_ips:
if ip.ip_version == 4:
network_template["network-ips"].append(
{"ip-address": self.replace(ip.param, single=True)}
)
network_template["ip-count"] += 1
else:
network_template["network-ips-v6"].append(
{"ip-address": self.replace(ip.param, single=True)}
)
network_template["ip-count-ipv6"] += 1
def _add_availability_zones(self, preload, vnf_module):
zones = preload["input"]["vnf-topology-information"]["vnf-assignments"][
"availability-zones"
]
for zone in vnf_module.availability_zones:
zones.append({"availability-zone": self.replace(zone, single=True)})
def _add_vnf_networks(self, preload, vnf_module):
networks = preload["input"]["vnf-topology-information"]["vnf-assignments"][
"vnf-networks"
]
for network in vnf_module.networks:
network_data = {
"network-role": network.network_role,
"network-name": self.replace(
network.name_param,
"VALUE FOR: network name for {}".format(network.name_param),
),
}
for subnet in network.subnet_params:
key = "ipv6-subnet-id" if "_v6_" in subnet else "subnet-id"
network_data[key] = subnet
networks.append(network_data)
def _add_vms(self, preload, vnf_module):
vm_list = preload["input"]["vnf-topology-information"]["vnf-assignments"][
"vnf-vms"
]
for vm in vnf_module.virtual_machine_types:
vm_template = get_json_template(DATA_DIR, "vm")
vm_template["vm-type"] = vm.vm_type
vm_template["vm-count"] = vm.vm_count
for name in vm.names:
value = self.replace(name, single=True)
vm_template["vm-names"]["vm-name"].append(value)
vm_list.append(vm_template)
vm_networks = vm_template["vm-networks"]
for port in vm.ports:
role = port.network.network_role
network_template = get_or_create_network_template(role, vm_networks)
network_template["network-role"] = role
network_template["network-role-tag"] = role
network_template["use-dhcp"] = "Y" if port.uses_dhcp else "N"
self.add_fixed_ips(network_template, port)
self.add_floating_ips(network_template, port)
def _add_parameters(self, preload, vnf_module):
params = preload["input"]["vnf-topology-information"]["vnf-parameters"]
for key, value in vnf_module.preload_parameters.items():
params.append(
{
"vnf-parameter-name": key,
"vnf-parameter-value": self.replace(key, value),
}
)
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