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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 pathlib import Path
from typing import Mapping
from preload.data import AbstractPreloadInstance
from preload.generator import (
get_json_template,
get_or_create_template,
AbstractPreloadGenerator,
)
from preload.model import VnfModule, Port
THIS_DIR = os.path.dirname(os.path.abspath(__file__))
DATA_DIR = os.path.join(THIS_DIR, "grapi_data")
def get_or_create_network_template(network, 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, vm_networks, "vm-network"
)
class GrApiPreloadGenerator(AbstractPreloadGenerator):
@classmethod
def supports_output_passing(cls):
return True
@classmethod
def format_name(cls):
return "GR-API"
@classmethod
def output_sub_dir(cls):
return "grapi"
def generate_module(
self,
vnf_module: VnfModule,
preload_data: AbstractPreloadInstance,
output_dir: Path,
):
self.module_incomplete = False
template = get_json_template(DATA_DIR, "preload_template")
self._populate(template, preload_data, vnf_module)
incomplete = (
"_incomplete"
if preload_data.flag_incompletes and self.module_incomplete
else ""
)
filename = "{}{}.json".format(preload_data.preload_basename, incomplete)
outfile = output_dir.joinpath(filename)
with outfile.open("w") as f:
json.dump(template, f, indent=4)
def _populate(
self,
template: Mapping,
preload_data: AbstractPreloadInstance,
vnf_module: VnfModule,
):
self._add_vnf_metadata(template, preload_data)
self._add_availability_zones(template, preload_data, vnf_module)
self._add_vnf_networks(template, preload_data, vnf_module)
self._add_vms(template, preload_data, vnf_module)
self._add_parameters(template, preload_data, vnf_module)
def _add_vnf_metadata(self, template: Mapping, preload: AbstractPreloadInstance):
topology = template["input"]["preload-vf-module-topology-information"]
vnf_meta = topology["vnf-topology-identifier-structure"]
vnf_meta["vnf-name"] = self.normalize(preload.vnf_name, "vnf_name")
vnf_meta["vnf-type"] = self.normalize(
preload.vnf_type,
"vnf-type",
"VALUE FOR: Concatenation of <Service Name>/"
"<VF Instance Name> MUST MATCH SDC",
)
module_meta = topology["vf-module-topology"]["vf-module-topology-identifier"]
module_meta["vf-module-name"] = self.normalize(
preload.vf_module_name, "vf_module_name"
)
module_meta["vf-module-type"] = self.normalize(
preload.vf_module_model_name,
"vf-module-model-name",
"VALUE FOR: <vfModuleModelName> from CSAR or SDC",
)
def _add_availability_zones(
self, template: Mapping, preload: AbstractPreloadInstance, vnf_module: VnfModule
):
zones = template["input"]["preload-vf-module-topology-information"][
"vnf-resource-assignments"
]["availability-zones"]["availability-zone"]
for i, zone_param in enumerate(vnf_module.availability_zones):
zone = preload.get_availability_zone(i, zone_param)
zones.append(self.normalize(zone, zone_param, index=i))
def _add_vnf_networks(
self, template: Mapping, preload: AbstractPreloadInstance, vnf_module: VnfModule
):
networks = template["input"]["preload-vf-module-topology-information"][
"vnf-resource-assignments"
]["vnf-networks"]["vnf-network"]
for network in vnf_module.networks:
network_data = {
"network-role": network.network_role,
"network-name": self.normalize(
preload.get_network_name(network.network_role, network.name_param),
network.name_param,
"VALUE FOR: network name of {}".format(network.name_param),
),
}
if network.subnet_params:
network_data["subnets-data"] = {"subnet-data": []}
subnet_data = network_data["subnets-data"]["subnet-data"]
for subnet in network.subnet_params:
data = {}
subnet_id = preload.get_subnet_id(
network.network_role, subnet.ip_version, subnet.param_name
)
if subnet_id:
data["subnet-id"] = self.normalize(subnet_id, subnet.param_name)
else:
subnet_name = preload.get_subnet_name(
network.network_role, subnet.ip_version, ""
)
data["subnet-name"] = self.normalize(
subnet_name,
subnet.param_name,
alt_message="VALUE FOR: name of {}".format(
subnet.param_name
),
)
subnet_data.append(data)
networks.append(network_data)
def add_floating_ips(
self, network_template: dict, port: Port, preload: AbstractPreloadInstance
):
for ip in port.floating_ips:
key = "floating-ip-v4" if ip.ip_version == 4 else "floating-ip-v6"
ips = network_template["floating-ips"][key]
value = self.normalize(
preload.get_floating_ip(
port.vm.vm_type, port.network.network_role, ip.ip_version, ip.param
),
ip.param,
)
ips.append(value)
def add_fixed_ips(
self, network_template: dict, port: Port, preload: AbstractPreloadInstance
):
items = network_template["network-information-items"][
"network-information-item"
]
ipv4s = next(item for item in items if item["ip-version"] == "4")
ipv6s = next(item for item in items if item["ip-version"] == "6")
if port.uses_dhcp:
ipv4s["use-dhcp"] = "Y"
ipv6s["use-dhcp"] = "Y"
for index, ip in port.fixed_ips_with_index:
target = ipv4s if ip.ip_version == 4 else ipv6s
ips = target["network-ips"]["network-ip"]
if ip.param not in ips:
ips.append(
self.normalize(
preload.get_fixed_ip(
port.vm.vm_type,
port.network.network_role,
ip.ip_version,
index,
ip.param,
),
ip.param,
index=index
)
)
target["ip-count"] += 1
def _add_vms(
self, template: Mapping, preload: AbstractPreloadInstance, vnf_module: VnfModule
):
vms = template["input"]["preload-vf-module-topology-information"][
"vf-module-topology"
]["vf-module-assignments"]["vms"]["vm"]
for vm in vnf_module.virtual_machine_types:
vm_template = get_json_template(DATA_DIR, "vm")
vms.append(vm_template)
vm_template["vm-type"] = vm.vm_type
for i, param in enumerate(sorted(vm.names)):
name = preload.get_vm_name(vm.vm_type, i, param)
value = self.normalize(name, param, index=i)
vm_template["vm-names"]["vm-name"].append(value)
vm_template["vm-count"] = vm.vm_count
vm_networks = vm_template["vm-networks"]["vm-network"]
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
self.add_fixed_ips(network_template, port, preload)
self.add_floating_ips(network_template, port, preload)
def _add_parameters(
self, template: Mapping, preload: AbstractPreloadInstance, vnf_module: VnfModule
):
params = [
{
"name": key,
"value": self.normalize(preload.get_vnf_parameter(key, value), key),
}
for key, value in vnf_module.preload_parameters.items()
]
for key, value in preload.get_additional_parameters().items():
params.append(
{
"name": key,
"value": value,
}
)
template["input"]["preload-vf-module-topology-information"][
"vf-module-topology"
]["vf-module-parameters"]["param"].extend(params)
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