Synnefo

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from optparse import make_option

from django.core.management.base import CommandError

from synnefo.api import util

from synnefo.management import common, pprint

from snf_django.management.utils import parse_bool

from snf_django.management.commands import SynnefoCommand

from synnefo.logic import servers

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(SynnefoCommand):

    help = HELP_MSG

    option_list = SynnefoCommand.option_list + (

        make_option(

            "--name",

            dest="name",

            default=None,

            help="Name of the port."),

        make_option(

            "--owner",

            dest="user_id",

            default=None,

            help="UUID of the owner 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"]

        user_id = options["user_id"]

        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 not network_id:

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

        vm = None

        owner = None

        if server_id:

            owner = "vm"

            vm = common.get_resource("server", server_id, for_update=True)

            #if vm.router:

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

        elif router_id:

            owner = "router"

            vm = common.get_resource("server", router_id, for_update=True)

            if not vm.router:

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

        if user_id is None:

            if vm is not None:

                user_id = vm.userid

            else:

                raise CommandError("Please specify the owner of the port.")

        # get the network

        network = common.get_resource("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 floating_ip_id:

            ipaddress = common.get_resource("floating-ip", floating_ip_id,

                                            for_update=True)

            if ipv4_address is not None and ipaddress.address != ipv4_address:

                raise CommandError("Floating IP address '%s' is different from"

                                   " specified address '%s'" %

                                   (ipaddress.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 = servers.create_port(user_id, network, machine=vm,

                                       name=name,

                                       use_ipaddress=ipaddress,

                                       address=ipv4_address,

                                       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")

        if vm is not None:

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