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root / snf-cyclades-app / synnefo / api / management / commands / listnetworks.py @ 6dd70a5c

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# Copyright 2012 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.db.models import Network
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from ._common import format_bool
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class Command(BaseCommand):
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    help = "List networks"
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    option_list = BaseCommand.option_list + (
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        make_option('-c',
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            action='store_true',
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            dest='csv',
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            default=False,
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            help="Use pipes to separate values"),
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        make_option('--deleted',
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            action='store_true',
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            dest='deleted',
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            default=False,
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            help="List only deleted networks"),
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        make_option('--public',
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            action='store_true',
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            dest='public',
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            default=False,
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            help="List only public networks"),
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        make_option('--ipv6',
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            action='store_true',
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            dest='ipv6',
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            default=False,
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            help="Show IPv6 information of the network"),
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        )
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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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        networks = Network.objects.all()
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        if options['deleted']:
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            networks = networks.filter(deleted=True)
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        else:
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            networks = networks.exclude(deleted=True)
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        if options['public']:
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            networks = networks.filter(public=True)
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        labels = ['id', 'name', 'type', 'owner',
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                  'mac_prefix', 'dhcp', 'state', 'link', 'vms', 'public']
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        columns = [3, 16, 22, 30, 10, 6, 8, 12, 4, 6]
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        if options['ipv6']:
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            labels.extend(['IPv6 Subnet', 'IPv6 Gateway'])
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            columns.extend([16, 16])
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        else:
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            labels.extend(['IPv4 Subnet', 'IPv4 Gateway'])
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            columns.extend([14, 14])
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        if not options['csv']:
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            line = ' '.join(l.rjust(w) for l, w in zip(labels, columns))
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            self.stdout.write(line + '\n')
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            sep = '-' * len(line)
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            self.stdout.write(sep + '\n')
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        for network in networks:
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            fields = [str(network.id),
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                      network.name,
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                      network.type,
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                      network.userid or '',
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                      network.mac_prefix or '',
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                      str(network.dhcp),
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                      network.state,
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                      network.link or '',
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                      str(network.machines.count()),
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                      format_bool(network.public)]
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            if options['ipv6']:
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                fields.extend([network.subnet6 or '', network.gateway6 or ''])
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            else:
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                fields.extend([network.subnet, network.gateway or ''])
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            if options['csv']:
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                line = '|'.join(fields)
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            else:
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                line = ' '.join(f.rjust(w) for f, w in zip(fields, columns))
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            self.stdout.write(line.encode('utf8') + '\n')