#!/bin/bash
#
# Copyright 2014 Hewlett-Packard Development Company, L.P.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#

if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then
    set -x
fi
set -eu
set -o pipefail

DIB_DEBIAN_ALT_INIT_PACKAGE=${DIB_DEBIAN_ALT_INIT_PACKAGE:-sysvinit}


adduser --gecos Debian-cloud-init-user --disabled-password --quiet debian
install -d -m 0755 -o root -g root /etc/sudoers.d
echo 'debian ALL=(ALL) NOPASSWD:ALL' > /etc/sudoers.d/debian-cloud-init
chmod 0440 /etc/sudoers.d/debian-cloud-init

if [ "$DIB_DEBIAN_ALT_INIT_PACKAGE" != "sysvinit" ]; then
    # To avoid a conflict against an essential package, we need to remove sysvinit first
    dpkg --purge --force remove-essential sysvinit
    apt-get install -y $apt_get_bp_extra_opts $DIB_DEBIAN_ALT_INIT_PACKAGE
    printf \"Package: sysvinit\nPin: origin ""\nPin-Priority: -1\n\" > \
        /etc/apt/preferences.d/sysvinit > /etc/apt/preferences.d/sysvinit
fi

# Since Jessie, when either 'hostname' or 'fqdn' are in a config file, it
# considers them as authoritative and would only use cloud meta data as a
# fallback.
if [ "$DIB_RELEASE" = 'wheezy' ]; then
    # specify a hostname so that cloud-init does not default to (None)
    echo 'hostname: debian' > /etc/cloud/cloud.cfg.d/01_hostname.cfg
fi