#!/bin/bash

# -------------------------------------------------------------------------- #
# Copyright 2010-2017, OpenNebula Systems                                    #
#                                                                            #
# 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.                                             #
#--------------------------------------------------------------------------- #

rm -f /etc/udev/rules.d/70-persistent-cd.rules
rm -f /etc/udev/rules.d/70-persistent-net.rules

# Reload udev rules
udevadm control --reload >/dev/null 2>&1 || :

# Register service
if which systemctl >/dev/null 2>&1 && \
    [ -d /etc/systemd ] && \
    [ -f /usr/lib/systemd/system/one-context.service ];
then
    systemctl enable one-context-local.service
    systemctl enable one-context.service
fi

if [ -f /etc/init.d/one-context ]; then
    if [ -d /etc/sysconfig/network-scripts ] || [ -d /etc/sysconfig/network ]; then
        chkconfig --add one-context-local
        chkconfig --add one-context
    elif [ -d /etc/network ]; then
        for S in one-context-local one-context; do
            update-rc.d ${S} enable   >/dev/null 2>&1
            update-rc.d ${S} defaults >/dev/null 2>&1
        done
    else
        echo 'WARNING: Contextualization service not enabled' >&2
    fi
fi

# Debian based distros
if [ -d /etc/network ]; then
    # Prepare network files
    cp /etc/network/interfaces /etc/network/interfaces.$(date "+%s")
    cat > /etc/network/interfaces <<EOT
# The loopback network interface
auto lo
iface lo inet loopback
EOT
    rm -rf /etc/network/interfaces.d

    # Do not reconfigure network interfaces on boot
#    if [ -f /etc/default/networking ]; then
#        if ! grep -q ^CONFIGURE_INTERFACES /etc/default/networking; then
#            echo 'CONFIGURE_INTERFACES=no' >> /etc/default/networking
#        fi
#    fi

    # Remove ttyS* from the grub
    if [ -f /etc/default/grub ]; then
        sed -i 's/console=ttyS[a-zA-Z0-9,]*//g' /etc/default/grub
    fi

    if [ -f /boot/grub/grub.cfg ]; then
        sed -i 's/console=ttyS[a-zA-Z0-9,]*//g' /boot/grub/grub.cfg
    fi
fi

# RedHat based distros
if [ -d /etc/sysconfig/network-scripts ]; then
    # Prepare network files
    rm -f /etc/sysconfig/network-scripts/ifcfg-eth*
fi

# openSUSE based distros
if [ -d /etc/sysconfig/network ]; then
    # Prepare network files
    rm -f /etc/sysconfig/network/ifcfg-eth*
    rm -f /etc/sysconfig/network/ifroute-eth*
    sed -i '/^NETCONFIG_DNS_STATIC_SERVERS=/ s/=.*$/=""/' /etc/sysconfig/network/config
    sed -i '/^NETCONFIG_DNS_STATIC_SEARCHLIST=/ s/=.*$/=""/' /etc/sysconfig/network/config
fi