# This code is part of Ansible, but is an independent component.
# This particular file snippet, and this file snippet only, is BSD licensed.
# Modules you write using this snippet, which is embedded dynamically by Ansible
# still belong to the author of the module, and may assign their own license
# to the complete work.
#
# Copyright (c) Ansible Inc, 2016
# All rights reserved.
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# Redistribution and use 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.
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import os
import glob

def sysv_is_enabled(name):
    return bool(glob.glob('/etc/rc?.d/S??%s' % name))

def get_sysv_script(name):

    if name.startswith('/'):
        result = name
    else:
        result = '/etc/init.d/%s' % name

    return result

def sysv_exists(name):
    return os.path.exists(get_sysv_script(name))

def fail_if_missing(module, found, service, msg=''):
    if not found:
        if module.check_mode:
            module.exit_json(msg="Service %s not found on %s, assuming it will exist on full run" % (service, msg), changed=True)
        else:
            module.fail_json(msg='Could not find the requested service %s: %s' % (service, msg))