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root / snf-cyclades-app / synnefo / api / management / commands / subnet-create.py @ 44bd008a

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# Copyright 2013 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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#   1. Redistributions of source code must retain the above
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#      copyright notice, this list of conditions and the following
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#      disclaimer.
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#
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#   2. Redistributions in binary form must reproduce the above
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#      copyright notice, this list of conditions and the following
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#      disclaimer in the documentation and/or other materials
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#      provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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from optparse import make_option
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from django.core.management.base import BaseCommand, CommandError
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from synnefo.management import common
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from snf_django.management.utils import parse_bool
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from synnefo.management import pprint
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from synnefo.logic import subnets
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import ipaddr
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HELP_MSG = """
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Create a new subnet without authenticating the user. The limit of one
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IPv4/IPv6 subnet per network still applies. Mandatory fields are CIDR and the
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Network ID.
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"""
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class Command(BaseCommand):
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    help = "Create a new Subnet." + HELP_MSG
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    option_list = BaseCommand.option_list + (
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        make_option("--network-id", dest="network_id",
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                    help="Specify the Network to attach the subnet. To get the"
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                         " networks of a user, use snf-manage network-list"),
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        make_option("--cidr", dest="cidr",
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                    help="The CIDR of the subnet, e.g., 192.168.42.0/24"),
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        make_option("--allocation-pools", dest="allocation_pools",
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                    action="append",
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                    help="IP allocation pools to be used for assigning IPs to"
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                    " VMs. Can be used multiple times. Syntax: \n"
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                    "192.168.42.220,192.168.42.240. Starting IP must proceed "
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                    "ending IP.20,192.168.42.240. Starting IP must proceed "
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                    "ending IP. If no allocation pools are given, the whole "
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                    "subnet range is used, excluding the gateway IP, the "
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                    "broadcast address and the network address"),
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        make_option("--name", dest="name",
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                    help="An arbitrary string for naming the subnet."),
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        make_option("--ip-version", dest="ipversion", choices=["4", "6"],
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                    metavar="4|6",
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                    help="IP version of the CIDR. The value must be in sync"
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                    " with the CIDR. Default value: 4"),
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        make_option("--gateway", dest="gateway",
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                    help="An IP to use as a gateway for the subnet."
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                    " The IP must be inside the CIDR range and cannot be the"
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                    " subnet or broadcast IP. If no value is specified, a"
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                    " gateway will not be set."),
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        make_option("--dhcp", dest="dhcp", default="True",
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                    choices=["True", "False"], metavar="True|False",
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                    help="Value for DHCP/SLAAC. True by default."),
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        make_option("--dns", dest="dns",
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                    help="DNS nameservers to be used by the VMs in the subnet."
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                    " For the time being, this option isn't supported."),
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        make_option("--host-routes", dest="host_routes",
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                    help="Host routes to be used for advanced routing"
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                    "settings. For the time being, this option isn't"
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                    " supported.")
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    )
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    @common.convert_api_faults
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    def handle(self, *args, **options):
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        if args:
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            raise CommandError("Command doesn't accept any arguments")
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        network_id = options["network_id"]
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        cidr = options["cidr"]
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        if not network_id:
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            raise CommandError("network-id is mandatory")
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        if not cidr:
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            raise CommandError("cidr is mandatory")
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        user_id = common.get_network(network_id).userid
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        name = options["name"] or ""
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        allocation_pools = options["allocation_pools"]
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        ipversion = options["ipversion"] or 4
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        ipversion = int(ipversion)
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        gateway = options["gateway"]
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        dhcp = parse_bool(options["dhcp"])
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        dns = options["dns"]
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        host_routes = options["host_routes"]
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        alloc = None
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        if allocation_pools is not None:
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            alloc = subnets.parse_allocation_pools(allocation_pools)
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            alloc.sort()
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        sub = subnets.create_subnet(name=name,
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                                    network_id=network_id,
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                                    cidr=cidr,
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                                    allocation_pools=alloc,
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                                    gateway=gateway,
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                                    ipversion=ipversion,
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                                    dhcp=dhcp,
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                                    slaac=dhcp,
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                                    dns_nameservers=dns,
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                                    host_routes=host_routes,
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                                    user_id=user_id)
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        pprint.pprint_subnet_in_db(sub, stdout=self.stdout)
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        self.stdout.write("\n\n")
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        pprint.pprint_ippool(sub, stdout=self.stdout)