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##############################################################################
# Copyright (c) 2018 Parker Berberian, Sawyer Bergeron, and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
from rest_framework import serializers
from resource_inventory.models import (
HostConfiguration,
CpuProfile,
DiskProfile,
InterfaceProfile,
RamProfile,
Image,
Interface
)
class BookingField(serializers.Field):
def to_representation(self, booking):
"""
Take in a booking object.
Returns a dictionary of primitives representing that booking
"""
ser = {}
ser['id'] = booking.id
# main loop to grab relevant info out of booking
host_configs = {} # mapping hostname -> config
networks = {} # mapping vlan id -> network_hosts
for host in booking.resource.hosts.all():
host_configs[host.name] = HostConfiguration.objects.get(host=host.template)
if "jumphost" not in ser and host_configs[host.name].opnfvRole.name.lower() == "jumphost":
ser['jumphost'] = host.name
# host is a Host model
for i in range(len(host.interfaces.all())):
interface = host.interfaces.all()[i]
# interface is an Interface model
for vlan in interface.config.all():
# vlan is Vlan model
if vlan.id not in networks:
networks[vlan.id] = []
net_host = {"hostname": host.name, "tagged": vlan.tagged, "interface": i}
networks[vlan.id].append(net_host)
# creates networking object of proper form
networking = []
for vlanid in networks:
network = {}
network['vlan_id'] = vlanid
network['hosts'] = networks[vlanid]
ser['networking'] = networking
# creates hosts object of correct form
hosts = []
for hostname in host_configs:
host = {"hostname": hostname}
host['deploy_image'] = True # TODO?
image = host_configs[hostname].image
host['image'] = {
"name": image.name,
"lab_id": image.lab_id,
"dashboard_id": image.id
}
hosts.append(host)
ser['hosts'] = hosts
return ser
def to_internal_value(self, data):
"""
Take in a dictionary of primitives, and return a booking object.
This is not going to be implemented or allowed.
If someone needs to create a booking through the api,
they will send a different booking object
"""
return None
class BookingSerializer(serializers.Serializer):
booking = BookingField()
# Host Type stuff, for inventory
class CPUSerializer(serializers.ModelSerializer):
class Meta:
model = CpuProfile
fields = ('cores', 'architecture', 'cpus')
class DiskSerializer(serializers.ModelSerializer):
class Meta:
model = DiskProfile
fields = ('size', 'media_type', 'name')
class InterfaceProfileSerializer(serializers.ModelSerializer):
class Meta:
model = InterfaceProfile
fields = ('speed', 'name')
class RamSerializer(serializers.ModelSerializer):
class Meta:
model = RamProfile
fields = ('amount', 'channels')
class HostTypeSerializer(serializers.Serializer):
name = serializers.CharField(max_length=200)
ram = RamSerializer()
interface = InterfaceProfileSerializer()
description = serializers.CharField(max_length=1000)
disks = DiskSerializer()
cpu = CPUSerializer()
# the rest of the inventory stuff
class NetworkSerializer(serializers.Serializer):
cidr = serializers.CharField(max_length=200)
gateway = serializers.IPAddressField(max_length=200)
vlan = serializers.IntegerField()
class ImageSerializer(serializers.ModelSerializer):
lab_id = serializers.IntegerField()
id = serializers.IntegerField(source="dashboard_id")
name = serializers.CharField(max_length=50)
description = serializers.CharField(max_length=200)
class Meta:
model = Image
class InterfaceField(serializers.Field):
def to_representation(self, interface):
pass
def to_internal_value(self, data):
"""Take in a serialized interface and creates an Interface model."""
mac = data['mac']
bus_address = data['busaddr']
switch_name = data['switchport']['switch_name']
port_name = data['switchport']['port_name']
# TODO config??
return Interface.objects.create(
mac_address=mac,
bus_address=bus_address,
switch_name=switch_name,
port_name=port_name
)
class InventoryHostSerializer(serializers.Serializer):
hostname = serializers.CharField(max_length=100)
host_type = serializers.CharField(max_length=100)
interfaces = InterfaceField()
class InventorySerializer(serializers.Serializer):
hosts = InventoryHostSerializer()
networks = NetworkSerializer()
images = ImageSerializer()
host_types = HostTypeSerializer()
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