149 lines
2.9 KiB
Bash
Executable File
149 lines
2.9 KiB
Bash
Executable File
#!/bin/sh
|
|
#
|
|
# This script places the new systems hostname into a couple of files within
|
|
# the new image.
|
|
#
|
|
# Steve
|
|
# --
|
|
# http://www.steve.org.uk/
|
|
|
|
|
|
|
|
prefix=$1
|
|
|
|
|
|
#
|
|
# Source our common functions
|
|
#
|
|
if [ -e /usr/lib/xen-tools/common.sh ]; then
|
|
. /usr/lib/xen-tools/common.sh
|
|
else
|
|
. ./hooks/common.sh
|
|
fi
|
|
|
|
|
|
#
|
|
# Log our start
|
|
#
|
|
logMessage Script $0 starting
|
|
|
|
#
|
|
# Determine the FQDN and Hostname
|
|
#
|
|
GUEST_FQDN=${hostname}
|
|
GUEST_HOSTNAME=`echo $GUEST_FQDN | awk -F'.' '{print $1}'`
|
|
|
|
|
|
#
|
|
# Make sure the umask is correct
|
|
#
|
|
umask 022
|
|
|
|
|
|
#
|
|
# Setup the mailname + hostname files.
|
|
#
|
|
echo $GUEST_HOSTNAME > ${prefix}/etc/hostname
|
|
echo $GUEST_FQDN > ${prefix}/etc/mailname
|
|
|
|
|
|
#
|
|
# Fixup the /etc/hosts file upon the new image for
|
|
# machines with static IPs
|
|
#
|
|
if [ -z "${copyhosts}" ]; then
|
|
#
|
|
# Copy localhost
|
|
#
|
|
cat > ${prefix}/etc/hosts <<EOF
|
|
127.0.0.1 localhost
|
|
EOF
|
|
#
|
|
# Make sure our hostname and FQDN is resolvable
|
|
#
|
|
if [ -z "${dhcp}" ]; then
|
|
#
|
|
# If dhcp is diabled, FQDN should resolve to our IP
|
|
#
|
|
cat >> ${prefix}/etc/hosts <<EOF
|
|
${ip1} $GUEST_FQDN $GUEST_HOSTNAME
|
|
EOF
|
|
else
|
|
cat >> ${prefix}/etc/hosts <<EOF
|
|
127.0.1.1 $GUEST_FQDN $GUEST_HOSTNAME
|
|
EOF
|
|
fi
|
|
|
|
cat >> ${prefix}/etc/hosts <<EOF
|
|
|
|
# The following lines are desirable for IPv6 capable hosts
|
|
::1 ip6-localhost ip6-loopback
|
|
fe00::0 ip6-localnet
|
|
ff00::0 ip6-mcastprefix
|
|
ff02::1 ip6-allnodes
|
|
ff02::2 ip6-allrouters
|
|
ff02::3 ip6-allhosts
|
|
|
|
EOF
|
|
|
|
else
|
|
# Non-IPv6 stuff.
|
|
grep -v '\(::\|IPv6\)' /etc/hosts > ${prefix}/etc/hosts
|
|
|
|
# New entry.
|
|
if [ -z "${dhcp}" ]; then
|
|
cat >> ${prefix}/etc/hosts <<EOF
|
|
${ip1} $GUEST_FQDN $GUEST_HOSTNAME
|
|
|
|
EOF
|
|
else
|
|
cat >> ${prefix}/etc/hosts <<EOF
|
|
127.0.1.1 $GUEST_FQDN $GUEST_HOSTNAME
|
|
|
|
EOF
|
|
fi
|
|
|
|
# IPv6 stuff.
|
|
grep '\(::\|IPv6\)' /etc/hosts >> ${prefix}/etc/hosts
|
|
fi
|
|
|
|
|
|
#
|
|
# Allow the host system to know the IP address of our new guest.
|
|
#
|
|
if [ -z "${dhcp}" ]; then
|
|
|
|
if ( grep $GUEST_FQDN /etc/hosts > /dev/null ) ; then
|
|
|
|
logMessage Host already has IP address for the host $GUEST_FQDN.
|
|
|
|
else
|
|
if [ -z "${nohosts}" ]; then
|
|
|
|
logMessage Adding $GUEST_FQDN and $GUEST_HOSTNAME to /etc/hosts on the host
|
|
echo "${ip1} $GUEST_FQDN $GUEST_HOSTNAME" >> /etc/hosts
|
|
|
|
#
|
|
# If we've updated the /etc/hosts file on the host machine
|
|
# and there is an installation of dnsmasq installed then
|
|
# reload it.
|
|
#
|
|
# This will let the local LAN clients lookup the new address.
|
|
#
|
|
if [ -x /usr/sbin/dnsmasq ] ; then
|
|
if [ -e /var/run/dnsmasq.pid ]; then
|
|
|
|
logMessage Allowing DNSMasq to restart.
|
|
kill -s HUP `cat /var/run/dnsmasq.pid`
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
|
|
#
|
|
# Log our finish
|
|
#
|
|
logMessage Script $0 finished
|