#!/usr/bin/python
# -*- coding: utf-8 -*-

# Software License Agreement (BSD License)
#
# Copyright (c) 2009, Eucalyptus Systems, Inc.
# All rights reserved.
#
# Redistribution and use of this software in source and binary forms, with or
# without modification, are permitted provided that the following conditions
# are met:
#
#   Redistributions of source code must retain the above
#   copyright notice, this list of conditions and the
#   following disclaimer.
#
#   Redistributions in binary form must reproduce the above
#   copyright notice, this list of conditions and the
#   following disclaimer in the documentation and/or other
#   materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# Author: Neil Soman neil@eucalyptus.com

import getopt
import sys
import os
from euca2ools import Euca2ool, InstanceValidationError, Util, \
    ConnectionFailed

usage_string = \
    """
Confirm if instance is running with product code attached.

euca-confirm-product-instance -i, --instance instance_id [-h, --help] [--version] [--debug] product_code

REQUIRED PARAMETERS

-i, --instance 			Unique identifier for a running instance.

product_code			The product code to verify.

OPTIONAL PARAMETERS

"""


def usage(status=1):
    print usage_string
    Util().usage()
    sys.exit(status)


def version():
    print Util().version()
    sys.exit()


def main():
    euca = None
    try:
        euca = Euca2ool('i:', ['instance='])
    except Exception, e:
        print e
        usage()

    instance_id = None
    product_code = None

    for (name, value) in euca.opts:
        if name in ('-i', '--instance'):
            instance_id = value
        elif name in ('-h', '--help'):
            usage(0)
        elif name == '--version':
            version()

    for arg in euca.args:
        product_code = arg
        break

    try:
        euca_conn = euca.make_connection()
    except ConnectionFailed, e:
        print e.message
        sys.exit(1)

    if instance_id and product_code:
        try:
            euca.validate_instance_id(instance_id)
        except InstanceValidationError:
            print 'Invalid instance id'
            sys.exit(1)
        try:
            rs = \
                euca_conn.confirm_product_instance(product_code=product_code,
                    instance_id=instance_id)
        except Exception, ex:
            euca.display_error_and_exit('%s' % ex)

        if rs:
            product_string = '%s\t%s\t' % (product_code, instance_id)
            if rs.status:
                product_string += 'true'
            else:
                product_string += 'false'
            print product_string
    else:

        if not instance_id:
            print 'instance_id must be specified'
        if not product_code:
            print 'product_code must be specified'
        usage()


if __name__ == '__main__':
    main()

