# Copyright (c) 2013-2016 Hewlett Packard Enterprise Development LP
#
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import argparse
from requestbuilder import Arg, Filter, GenericTagFilter
from euca2ools.commands.ec2 import EC2Request
class DescribeSubnets(EC2Request):
DESCRIPTION = 'Show information about one or more VPC subnets'
ARGS = [Arg('SubnetId', metavar='SUBNET', nargs='*',
help='limit results to specific subnets')]
FILTERS = [Filter('availability-zone'),
Filter('available-ip-address-count',
help='the number of unused IP addresses in the subnet'),
Filter('cidr-block', help="the subnet's CIDR address block"),
# Aliases for cidr-block
Filter('cidr', help=argparse.SUPPRESS),
Filter('cidrBlock', help=argparse.SUPPRESS),
Filter('default-for-az', choices=('true', 'false'),
help='''whether this is the default subnet for the
availability zone'''),
Filter('state'),
Filter('subnet-id'),
Filter('tag-key', help='key of a tag assigned to the subnet'),
Filter('tag-value',
help='value of a tag assigned to the subnet'),
GenericTagFilter('tag:KEY',
help='specific tag key/value combination'),
Filter('vpc-id', help="the associated VPC's ID")]
LIST_TAGS = ['subnetSet', 'tagSet']
def print_result(self, result):
for subnet in result.get('subnetSet') or []:
self.print_subnet(subnet)