Synnefo

from synnefo.db.pools import bitarray_to_map

def pprint_subnet_in_db(subnet, stdout=None, title=None):

    if stdout is None:

        stdout = sys.stdout

    if title is None:

        title = "State of Subnet %s in DB" % subnet.id

    info = OrderedDict([("ID", subnet.id),

                        ("Network_ID", subnet.network.id),

                        # If a user names his subnet "-", what happens then?

                        ("Name", "-" if subnet.name == "" else subnet.name),

                        ("IP_Version", subnet.ipversion),

                        ("CIDR", subnet.cidr),

                        ("Gateway", subnet.gateway),

                        ("DHCP/SLAAC", subnet.dhcp),

                        ("Host_Routes", subnet.host_routes),

                        ("DNS_Nameservers", subnet.dns_nameservers)])

    pprint_table(stdout, info.items(), None, separator=" | ", title=title)

def pprint_ippool(subnet, stdout=None, title=None):

    """Pretty print IP Pools of a subnet. Only IPv4 subnets have IP Pools"""

    if int(subnet.ipversion) != 4:

        return 0

    if stdout is None:

        stdout = sys.stdout

    stdout.write("IP Pools of subnet %s" % subnet.id)

    for pool in subnet.get_ip_pools():

        size = pool.pool_size

        available = pool.available.count()

        info = OrderedDict([("First_IP", pool.return_start()),

                            ("Last_IP", pool.return_end()),

                            ("Size", size),

                            ("Available", available)])

        pprint_table(stdout, info.items(), None, separator=" | ", title=None)

        stdout.write(bitarray_to_map(pool.available[:size]))

        stdout.write("\n\n")