# vi: ts=4 expandtab
#
#    Copyright (C) 2009-2010 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/>.

import cloudinit.util as util
import subprocess
import traceback


def handle(_name, cfg, _cloud, log, args):
    if len(args) != 0:
        user = args[0]
        ids = []
        if len(args) > 1:
            ids = args[1:]
    else:
        user = util.get_cfg_option_str(cfg, "user", "ubuntu")
        ids = util.get_cfg_option_list_or_str(cfg, "ssh_import_id", [])

    if len(ids) == 0:
        return

    cmd = ["sudo", "-Hu", user, "ssh-import-id"] + ids

    log.debug("importing ssh ids. cmd = %s" % cmd)

    try:
        subprocess.check_call(cmd)
    except subprocess.CalledProcessError as e:
        log.debug(traceback.format_exc(e))
        raise Exception("Cmd returned %s: %s" % (e.returncode, cmd))
    except OSError as e:
        log.debug(traceback.format_exc(e))
        raise Exception("Cmd failed to execute: %s" % (cmd))