assert_equals

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

# (c) 2014, Allan Denot <adenot@gmail.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.


DOCUMENTATION = '''
---
module: assert_equals
version_added: 1.5
short_description: Compares two values
description:
  - Compares two values
options: 
  value: 
    description:
    - Value to compare
    required: True
    default: null
  should_be: 
    description: 
    - Value expected to have
    required: True
author: Allan Denot
'''

EXAMPLES = '''
# Assert if testfile matches the regular expression provided
assert_content: name=/tmp/testfile should_match="example.*string"
'''


def main():
    module = AnsibleModule(
        argument_spec = dict(
            value=dict(required=True, default=None),
            should_be=dict(required=True),
        ),
        supports_check_mode=True
    )
    value = module.params.get('value')
    expected = module.params.get('should_be')

    if value == expected:
        module.exit_json()
    
    module.fail_json(msg="Value is '%s', it should be '%s'" % (value, expected))
    
# this is magic, see lib/ansible/module_common.py
#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
main()