# Copyright 2014 Eucalyptus Systems, Inc.
#
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import argparse
from requestbuilder import Arg, MutuallyExclusiveArgList
from requestbuilder.exceptions import ArgumentError
from euca2ools.commands.argtypes import flexible_bool
from euca2ools.commands.ec2 import EC2Request
class ModifyVpcAttribute(EC2Request):
DESCRIPTION = 'Modify an attribute of a VPC'
ARGS = [Arg('-c', '--vpc', dest='VpcId', metavar='VPC',
help='ID of the VPC to modify (required)'),
Arg('positional_vpc', nargs='?', route_to=None,
help=argparse.SUPPRESS),
MutuallyExclusiveArgList(
Arg('-d', '--dns-hostnames', dest='EnableDnsHostnames.Value',
metavar='(true|false)', type=flexible_bool, help='''enable
or disable assignment of DNS names to instances'''),
Arg('-s', '--dns-support', dest='EnableDnsSupport.Value',
metavar='(true|false)', type=flexible_bool,
help='enable or disable DNS resolution'))
.required()]
def configure(self):
EC2Request.configure(self)
if self.args.get('positional_vpc'):
if self.params.get('VpcId'):
# Shouldn't be supplied both positionally and optionally
raise ArgumentError('unrecognized arguments: {0}'.format(
self.args['positional_vpc']))
self.params['VpcId'] = self.args['positional_vpc']
if not self.params.get('VpcId'):
raise ArgumentError('argument -c/--vpc is required')