Get public ip for vms

By using kamilas script we can get the ip from a vms mac address.
This commit is contained in:
Modulos 2017-05-19 16:39:56 +02:00
parent 1ca884e1f6
commit d13efd4527

View file

@ -1,4 +1,5 @@
import oca import oca
import ipaddress
from rest_framework import serializers from rest_framework import serializers
@ -81,9 +82,7 @@ class VirtualMachineSerializer(serializers.Serializer):
disk_size = serializers.SerializerMethodField() disk_size = serializers.SerializerMethodField()
ip = serializers.CharField(read_only=True, ip = serializers.SerializerMethodField()
source='user_template.ungleich_public_ip',
default='-')
vm_id = serializers.IntegerField(read_only=True, source='id') vm_id = serializers.IntegerField(read_only=True, source='id')
state = serializers.CharField(read_only=True, source='str_state') state = serializers.CharField(read_only=True, source='str_state')
price = serializers.SerializerMethodField() price = serializers.SerializerMethodField()
@ -147,3 +146,30 @@ class VirtualMachineSerializer(serializers.Serializer):
template_id = obj.template.template_id template_id = obj.template.template_id
template = OpenNebulaManager().get_template(template_id) template = OpenNebulaManager().get_template(template_id)
return template.name return template.name
def get_ip(self, obj):
nic = obj.template.nics[0]
if is_in_v4_range(nic.mac):
return str(v4_from_mac(nic.mac))
else:
return '-'
def hexstr2int(string):
return int(string.replace(':', ''), 16)
FIRST_MAC = hexstr2int('02:00:b3:39:79:4d')
FIRST_V4 = ipaddress.ip_address('185.203.112.2')
COUNT = 1000
def v4_from_mac(mac):
"""Calculates the IPv4 address from a MAC address.
mac: string (the colon-separated representation)
returns: ipaddress.ip_address object with the v4 address
"""
return FIRST_V4 + (hexstr2int(mac) - FIRST_MAC)
def is_in_v4_range(mac):
return FIRST_MAC <= hexstr2int(mac) < FIRST_MAC + 1000