Synnefo

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from optparse import make_option

from django.core.management.base import BaseCommand, CommandError

from synnefo.api import util

from synnefo.management import common, pprint

from snf_django.management.utils import parse_bool

from synnefo.logic import ports

HELP_MSG = """Create a new port.

Connect a server/router to a network by creating a new port. If 'floating_ip'

option is used, the specified floating IP will be assigned to the new port.

Otherwise, the port will get an IP address for each Subnet that is associated

with the network."""

class Command(BaseCommand):

    help = HELP_MSG

    option_list = BaseCommand.option_list + (

        make_option(

            "--name",

            dest="name",

            default=None,

            help="Name of the port."),

        make_option(

            "--network",

            dest="network_id",

            default=None,

            help="The ID of the network where the port will be created."),

        make_option(

            "--server",

            dest="server_id",

            default=None,

            help="The ID of the server that the port will be connected to."),

        #make_option(

        #    "--router",

        #    dest="router_id",

        #    default=None,

        #    help="The ID of the router that the port will be connected to."),

        make_option(

            "--floating-ip",

            dest="floating_ip_id",

            default=None,

            help="The ID of the floating IP to use for the port."),

        make_option(

            "--ipv4-address",

            dest="ipv4_address",

            default=None,

            help="Specify IPv4 address for the new port."),

        make_option(

            "--security-groups",

            dest="security-groups",

            default=None,

            help="Comma separated list of Security Group IDs to associate"

                 " with the port."),

        make_option(

            "--wait",

            dest="wait",

            default="True",

            choices=["True", "False"],

            metavar="True|False",

            help="Wait for Ganeti jobs to complete."),

    )

    @common.convert_api_faults

    def handle(self, *args, **options):

        if args:

            raise CommandError("Command doesn't accept any arguments")

        name = options["name"]

        network_id = options["network_id"]

        server_id = options["server_id"]

        #router_id = options["router_id"]

        router_id = None

        # assume giving security groups comma separated

        security_group_ids = options["security-groups"]

        wait = parse_bool(options["wait"])

        if not name:

            name = ""

        if (server_id and router_id) or not (server_id or router_id):

            raise CommandError("Please give either a server or a router id")

        if not network_id:

            raise CommandError("Please specify a 'network'")

        if server_id:

            owner = "vm"

            vm = common.get_vm(server_id)

            #if vm.router:

            #    raise CommandError("Server '%s' does not exist." % server_id)

        elif router_id:

            owner = "router"

            vm = common.get_vm(router_id)

            if not vm.router:

                raise CommandError("Router '%s' does not exist." % router_id)

        else:

            raise CommandError("Neither server or router is specified")

        # get the network

        network = common.get_network(network_id)

        # Get either floating IP or fixed ip address

        ipaddress = None

        floating_ip_id = options["floating_ip_id"]

        ipv4_address = options["ipv4_address"]

        if ipv4_address is not None and floating_ip_id is not None:

            raise CommandError("Please use either --floating-ip-id or"

                               " --ipv4-address option")

        elif floating_ip_id:

            ipaddress = common.get_floating_ip_by_id(floating_ip_id,

                                                     for_update=True)

        if ipv4_address is not None:

            ipaddress = util.allocate_ip(network, vm.userid,

                                         address=ipv4_address)

        # validate security groups

        sg_list = []

        if security_group_ids:

            security_group_ids = security_group_ids.split(",")

            for gid in security_group_ids:

                sg = util.get_security_group(int(gid))

                sg_list.append(sg)

        new_port = ports.create(network, vm, name=name, ipaddress=ipaddress,

                                security_groups=sg_list,

                                device_owner=owner)

        self.stdout.write("Created port '%s' in DB:\n" % new_port)

        pprint.pprint_port(new_port, stdout=self.stdout)

        pprint.pprint_port_ips(new_port, stdout=self.stdout)

        self.stdout.write("\n")

        common.wait_server_task(new_port.machine, wait, stdout=self.stdout)