Synnefo

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from snf_django.management.commands import SynnefoCommand

from optparse import make_option

from synnefo.management.common import pool_table_from_type

POOL_CHOICES = ['bridge', 'mac-prefix']

class Command(SynnefoCommand):

    help = "List available pools"

    output_transaction = True

    option_list = SynnefoCommand.option_list + (

        make_option('--type', dest='type',

                    choices=POOL_CHOICES,

                    help="Type of pool"

                    ),

    )

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

        type_ = options['type']

        if type_:

            pool_tables = [pool_table_from_type(type_)]

        else:

            pool_tables = [pool_table_from_type(x) for x in POOL_CHOICES]

        for pool_table in pool_tables:

            self.stdout.write("-" * 80 + '\n')

            pl = pool_table.__name__.replace("Table", "")

            self.stdout.write(pl + '\n')

            self.stdout.write("-" * 80 + '\n')

            keys = ["id", "size", "base", "offset", "available", "reserved"]

            for key in keys:

                self.stdout.write(("%s" % key).rjust(12))

            self.stdout.write("\n")

            for pool_table_row in pool_table.objects.all():

                pool = pool_table_row.pool

                kv = {

                    'id': pool_table_row.id,

                    'offset': pool_table_row.offset,

                    'base': pool_table_row.base,

                    'size': pool_table_row.size,

                    'available': pool.count_available(),

                    'reserved': pool.count_reserved(),

                }

                for key in keys:

                    self.stdout.write(("%s" % kv[key]).rjust(12))

                self.stdout.write("\n")