Synnefo

from synnefo.logic import backend

from synnefo.logic.backend_allocator import BackendAllocator

from synnefo.db.models import (NetworkInterface, VirtualMachine, Network,

from vncauthproxy.client import request_forwarding as request_vnc_forwarding

def add_floating_ip_to_vm(vm, address):

    """Get a floating IP by it's address and add it to VirtualMachine.

    it with a VirtualMachine object (without adding the NIC in the Ganeti

    backend!). This function also checks if the floating IP is currently used

    by any instance and if it is available in the Backend that hosts the VM.

    try:

        # Get lock in VM, to guarantee that floating IP will only by assigned

        # once

                                        .get(userid=user_id, ipv4=address,

                                             deleted=False)

        raise faults.ItemNotFound("Floating IP '%s' does not exist" % address)

    if floating_ip.in_use():

def remove_floating_ip(vm, address):

    user_id = vm.userid

    try:

                                        .get(userid=user_id, ipv4=address,

                                             deleted=False, machine=vm)

        raise faults.ItemNotFound("Floating IP '%s' does not exist" % address)

    try: