#!/bin/bash
#
# 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.

# dib-lint: disable=setu setpipefail
if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
    set -x
fi
set -e

if [[ "$DISTRO_NAME" =~ (debian|ubuntu) ]] ; then
    if [[ "$DIB_RELEASE" == 'trusty' ]] ; then
        service_name=iptables-persistent
    else
        service_name=netfilter-persistent
    fi
elif [[ "$DISTRO_NAME" =~ (centos|fedora) ]] ; then
    service_name=iptables
elif [[ "$DISTRO_NAME" == 'opensuse' ]] ; then
    service_name=SuSEfirewall2
else
    echo "Unsupported operating system $DISTRO_NAME"
    exit 1
fi

case "$DIB_INIT_SYSTEM" in
    upstart)
        # nothing to do
        ;;
    systemd)
        systemctl enable ${service_name}.service
        if [[ "$DISTRO_NAME" =~ (centos|fedora) ]] ; then
            systemctl enable ip6tables.service
        fi
        ;;
    *)
        echo "Unsupported init system $DIB_INIT_SYSTEM"
        exit 1
        ;;
esac