# Copyright 2009-2013 Eucalyptus Systems, Inc.
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from euca2ools.commands.ec2 import EC2Request
from requestbuilder import Arg, Filter


class DescribeKeyPairs(EC2Request):
    DESCRIPTION = 'Display information about available key pairs'
    ARGS = [Arg('KeyName', nargs='*', metavar='KEYPAIR',
                help='limit results to specific key pairs')]
    FILTERS = [Filter('fingerprint', help='fingerprint of the key pair'),
               Filter('key-name', help='name of the key pair')]
    LIST_TAGS = ['keySet']

    def print_result(self, result):
        for key in result.get('keySet', []):
            print self.tabify(('KEYPAIR', key.get('keyName'),
                               key.get('keyFingerprint')))