Synnefo » Ganeti Instance Image

#!/bin/bash

# Copyright (C) 2011 Oregon State University

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# 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, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA

# 02110-1301, USA.

#

# This is an example script that configures your DHCP clients to set "send

# host-name" so that Dynamic DNS work properly after installation.

set -e

. common.sh

debug set -x

FQDN="${INSTANCE_NAME}"

SHORT_NAME="$(echo ${INSTANCE_NAME} | cut -d . -f 1)"

if [ -z "${TARGET}" -o ! -d "${TARGET}" ] ; then

    log_error "Missing target directory"

    exit 1

fi

# Functions

debian_setup() {

    local dhclient_conf=""

    if [ -f "${TARGET}/etc/dhcp/dhclient.conf" ] ; then

        dhclient_conf="${TARGET}/etc/dhcp/dhclient.conf"

    elif [ -f "${TARGET}/etc/dhcp3/dhclient.conf" ] ; then

        dhclient_conf="${TARGET}/etc/dhcp3/dhclient.conf"

    else

        log_error "Missing dhclient.conf file"

        exit 1

    fi

    if [ -n "${FQDN}" ] ; then

        echo "send host-name ${SHORT_NAME};" >> ${dhclient_conf}

    fi

}

redhat_setup() {

    if [ ! -f "${TARGET}/etc/sysconfig/network-scripts/ifcfg-eth0" ] ; then

        log_error "Missing ifcfg-eth0 file"

        exit 1

    fi

    if [ -n "${FQDN}" ] ; then

        echo "DHCP_HOSTNAME=${SHORT_NAME}" >> ${TARGET}/etc/sysconfig/network-scripts/ifcfg-eth0

    fi

}

gentoo_setup() {

    echo "no action needed for ddns"

}

suse_setup() {

    echo "untested for suse"

}

# Main

get_os_type $TARGET

if [ "${NIC_COUNT}" -gt 0 -a -n "${OS_TYPE}" ] ; then

    ${OS_TYPE}_setup

else

    log_error "Unsupported OS_TYPE"

fi

exit 0