Synnefo » snf-image

#! /bin/bash

### BEGIN TASK INFO

# Provides:		AssignHostname

# RunBefore:            UmountImage

# RunAfter:		InstallUnattend

# Short-Description:	Assign the Hostname of Computer Name in the instance

### END TAST INFO

set -e

. /usr/share/snf-image/common.sh

windows_hostname() {

    local target=$1

    local password=$2

    local tmp_unattend=`mktemp` || exit 1

    CLEANUP+=("rm $tmp_unattend")

    echo -n "Assigning new computer name..."

    local namespace="urn:schemas-microsoft-com:unattend"

    $XMLSTARLET ed -N x=$namespace -u "/x:unattend/x:settings/x:component/x:ComputerName" -v $password "$target/Unattend.xml" > $tmp_unattend

    cat $tmp_unattend > "$target/Unattend.xml"

    echo done

}

linux_hostname() {

    local target=$1

    local hostname=$2

    local distro=$(get_base_distro $target)

    case "$distro" in

        debian)

            echo "$hostname" > $target/etc/hostname;;

        redhat)

            sed -ie "s/HOSTNAME=.*$/HOSTNAME=$hostname/g" $target/etc/sysconfig/network;;

        slackware|suse)

        #local domain=$(sed -e 's/^[^\.]*//g' < /etc/HOSTNAME)

        # In slackware hostname and domain name are joined together. For now I

        # will not retain the domain name.

        echo $hostname > ${target}/etc/HOSTNAME;;

    gentoo)

        sed -ie "s/\(\(HOSTNAME\)\|\(hostname\)\)=.*$/\1=\"$hostname\"/" $target/etc/conf.d/hostname;;

    esac

    # Some Linux distributions assign the hostname to 127.0.1.1 in order to be

    # resolvable to an IP address. Lets replace this if found in /etc/hosts

    sed -ie "s/^[[:blank:]]*127\.0\.1\.1[[:blank:]].\+$/127.0.1.1\t$hostname/" $target/etc/hosts

}

if [ -z "$SNF_IMAGE_TARGET" -o ! -d "$SNF_IMAGE_TARGET" ]; then

    log_error "Missing target directory"	

fi

if [ -z "$SNF_IMAGE_HOSTNAME" ]; then

    log_error "Hostname is missing"

fi

if [ "$SNF_IMAGE_TYPE" = "ntfsdump" ]; then

    windows_hostname $SNF_IMAGE_TARGET $SNF_IMAGE_PASSWORD

elif [ "$SNF_IMAGE_TYPE" = "extdump" ]; then

    linux_hostname $SNF_IMAGE_TARGET $SNF_IMAGE_PASSWORD

fi

echo "done"

cleanup

trap - EXIT

exit 0

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