# vi: ts=4 expandtab
#
#    Copyright (C) 2011 Canonical Ltd.
#    Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
#
#    Author: Scott Moser <scott.moser@canonical.com>
#    Author: Juerg Haefliger <juerg.haefliger@hp.com>
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License version 3, as
#    published by the Free Software Foundation.
#
#    This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.

"""
Scripts Per Instance
--------------------
**Summary:** run per instance scripts

Any scripts in the ``scripts/per-instance`` directory on the datasource will
be run when a new instance is first booted. Scripts will be run in alphabetical
order. This module does not accept any config keys.

**Internal name:** ``cc_scripts_per_instance``

**Module frequency:** per instance

**Supported distros:** all
"""

import os

from cloudinit import util

from cloudinit.settings import PER_INSTANCE

frequency = PER_INSTANCE

SCRIPT_SUBDIR = 'per-instance'


def handle(name, _cfg, cloud, log, _args):
    # Comes from the following:
    # https://forums.aws.amazon.com/thread.jspa?threadID=96918
    runparts_path = os.path.join(cloud.get_cpath(), 'scripts', SCRIPT_SUBDIR)
    try:
        util.runparts(runparts_path)
    except Exception:
        log.warn("Failed to run module %s (%s in %s)",
                 name, SCRIPT_SUBDIR, runparts_path)
        raise