src/api/serializers/booking_serializer.py

   1 ##############################################################################
   2 # Copyright (c) 2018 Parker Berberian, Sawyer Bergeron, and others.
   3 #
   4 # All rights reserved. This program and the accompanying materials
   5 # are made available under the terms of the Apache License, Version 2.0
   6 # which accompanies this distribution, and is available at
   7 # http://www.apache.org/licenses/LICENSE-2.0
   8 ##############################################################################
   9
  10
  11 from rest_framework import serializers
  12
  13 from resource_inventory.models import (
  14     ResourceConfiguration,
  15     CpuProfile,
  16     DiskProfile,
  17     InterfaceProfile,
  18     RamProfile,
  19     Image,
  20     Interface
  21 )
  22
  23
  24 class BookingField(serializers.Field):
  25
  26     def to_representation(self, booking):
  27         """
  28         Take in a booking object.
  29
  30         Returns a dictionary of primitives representing that booking
  31         """
  32         ser = {}
  33         ser['id'] = booking.id
  34         # main loop to grab relevant info out of booking
  35         host_configs = {}  # mapping hostname -> config
  36         networks = {}  # mapping vlan id -> network_hosts
  37         for host in booking.resource.hosts.all():
  38             host_configs[host.name] = ResourceConfiguration.objects.get(host=host.template)
  39             if "jumphost" not in ser and host_configs[host.name].opnfvRole.name.lower() == "jumphost":
  40                 ser['jumphost'] = host.name
  41             # host is a Host model
  42             for i in range(len(host.interfaces.all())):
  43                 interface = host.interfaces.all()[i]
  44                 # interface is an Interface model
  45                 for vlan in interface.config.all():
  46                     # vlan is Vlan model
  47                     if vlan.id not in networks:
  48                         networks[vlan.id] = []
  49                     net_host = {"hostname": host.name, "tagged": vlan.tagged, "interface": i}
  50                     networks[vlan.id].append(net_host)
  51         # creates networking object of proper form
  52         networking = []
  53         for vlanid in networks:
  54             network = {}
  55             network['vlan_id'] = vlanid
  56             network['hosts'] = networks[vlanid]
  57
  58         ser['networking'] = networking
  59
  60         # creates hosts object of correct form
  61         hosts = []
  62         for hostname in host_configs:
  63             host = {"hostname": hostname}
  64             host['deploy_image'] = True  # TODO?
  65             image = host_configs[hostname].image
  66             host['image'] = {
  67                 "name": image.name,
  68                 "lab_id": image.lab_id,
  69                 "dashboard_id": image.id
  70             }
  71             hosts.append(host)
  72
  73         ser['hosts'] = hosts
  74
  75         return ser
  76
  77     def to_internal_value(self, data):
  78         """
  79         Take in a dictionary of primitives, and return a booking object.
  80
  81         This is not going to be implemented or allowed.
  82         If someone needs to create a booking through the api,
  83         they will send a different booking object
  84         """
  85         return None
  86
  87
  88 class BookingSerializer(serializers.Serializer):
  89
  90     booking = BookingField()
  91
  92
  93 # Host Type stuff, for inventory
  94 class CPUSerializer(serializers.ModelSerializer):
  95     class Meta:
  96         model = CpuProfile
  97         fields = ('cores', 'architecture', 'cpus')
  98
  99
 100 class DiskSerializer(serializers.ModelSerializer):
 101     class Meta:
 102         model = DiskProfile
 103         fields = ('size', 'media_type', 'name')
 104
 105
 106 class InterfaceProfileSerializer(serializers.ModelSerializer):
 107     class Meta:
 108         model = InterfaceProfile
 109         fields = ('speed', 'name')
 110
 111
 112 class RamSerializer(serializers.ModelSerializer):
 113     class Meta:
 114         model = RamProfile
 115         fields = ('amount', 'channels')
 116
 117
 118 class HostTypeSerializer(serializers.Serializer):
 119     name = serializers.CharField(max_length=200)
 120     ram = RamSerializer()
 121     interface = InterfaceProfileSerializer()
 122     description = serializers.CharField(max_length=1000)
 123     disks = DiskSerializer()
 124     cpu = CPUSerializer()
 125
 126
 127 # the rest of the inventory stuff
 128 class NetworkSerializer(serializers.Serializer):
 129     cidr = serializers.CharField(max_length=200)
 130     gateway = serializers.IPAddressField(max_length=200)
 131     vlan = serializers.IntegerField()
 132
 133
 134 class ImageSerializer(serializers.ModelSerializer):
 135     lab_id = serializers.IntegerField()
 136     id = serializers.IntegerField(source="dashboard_id")
 137     name = serializers.CharField(max_length=50)
 138     description = serializers.CharField(max_length=200)
 139
 140     class Meta:
 141         model = Image
 142
 143
 144 class InterfaceField(serializers.Field):
 145     def to_representation(self, interface):
 146         pass
 147
 148     def to_internal_value(self, data):
 149         """Take in a serialized interface and creates an Interface model."""
 150         mac = data['mac']
 151         bus_address = data['busaddr']
 152         switch_name = data['switchport']['switch_name']
 153         port_name = data['switchport']['port_name']
 154         # TODO config??
 155         return Interface.objects.create(
 156             mac_address=mac,
 157             bus_address=bus_address,
 158             switch_name=switch_name,
 159             port_name=port_name
 160         )
 161
 162
 163 class InventoryHostSerializer(serializers.Serializer):
 164     hostname = serializers.CharField(max_length=100)
 165     host_type = serializers.CharField(max_length=100)
 166     interfaces = InterfaceField()
 167
 168
 169 class InventorySerializer(serializers.Serializer):
 170     hosts = InventoryHostSerializer()
 171     networks = NetworkSerializer()
 172     images = ImageSerializer()
 173     host_types = HostTypeSerializer()