Synnefo

# Copyright 2013 GRNET S.A. All rights reserved.

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from synnefo.db.models import IPAddress

def get_server_ips(server, for_update=False):

    ips = IPAddress.objects.select_related("subnet")

    ips = ips.filter(nic__machine=server, deleted=False)

    if for_update:

        ips = ips.select_for_update()

    return ips

def get_server_active_ips(server, for_update=False):

    ips = get_server_ips(server, for_update=for_update)

    return ips.filter(nic__state="ACTIVE")

def get_server_public_ip(server, version=4):

    ips = get_server_active_ips(server)

    try:

        public_ips = ips.filter(network__public=True,

                                subnet__ipversion=version)

        return public_ips[0].address

    except IndexError:

        return None

def get_floating_ips(for_update=False):

    ips = IPAddress.objects.select_related("subnet")

    ips = ips.filter(floating_ip=True, deleted=False)

    if for_update:

        ips = ips.select_for_update()

    return ips

def get_server_floating_ips(server, for_update=False):

    floating_ips = get_floating_ips(for_update=for_update)

    return floating_ips.filter(nic__machine=server)

def get_server_floating_ip(server, address, for_update=False):

    server_fips = get_server_floating_ips(server, for_update=for_update)

    return server_fips.get(address=address)

def get_user_floating_ip(userid, address, for_update=False):

    fips = get_floating_ips(for_update=for_update)

    return fips.get(userid=userid, address=address)