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#!/bin/bash
# Author: Steven Shiau <steven _at_ clonezilla org>
# License: GPL
# Description: change the setting of NFS client
#
# Load DRBL setting and functions
DRBL_SCRIPT_PATH="${DRBL_SCRIPT_PATH:-/usr/share/drbl}"
. $DRBL_SCRIPT_PATH/sbin/drbl-conf-functions
#
check_if_root
#
run_cmd="`basename $0`"
#
usage() {
echo "Set the NFS parameters for DRBL client."
echo "Usage: $run_cmd [-s|--size] SIZE [--rsize] SIZE [--wsize] SIZE [-p|--protocol] PROTOCOL [-v|--verbose]"
echo "-s, --size SIZE: set the NFS blocksize (both rszie & wsize) to be SIZE bytes."
echo "-g, --no-gen-ssi do NOT generate DRBL SSI template tarball."
echo "--rsize SIZE: set the NFS rsize blocksize to be SIZE bytes."
echo "--wsize SIZE: set the NFS wsize blocksize to be SIZE bytes."
echo "-p, --protocol PROTOCOL: set the NFS to use the PROTOCOL (tcp, udp or auto)."
echo "-v, --verbose print out verbose information."
}
if [ $# -le 0 ]; then
usage
exit 1
fi
#
while [ $# -gt 0 ]; do
case "$1" in
-s|--size)
shift;
rsize="$1"
wsize="$1"
shift;;
--rsize)
shift; rsize="$1"
shift;;
--wsize)
shift; wsize="$1"
shift;;
-p|--protocol)
shift; protocol="$1"
shift;;
-g|--no-gen-ssi)
gen_ssi="no"
shift;;
-v|--verbose)
shift; VERBOSE="on"
;;
-*) echo "${0}: ${1}: invalid option" >&2
usage >& 2
exit 2 ;;
*) break ;;
esac
done
# check parameter
[ -n "`echo $rsize | grep [^0-9]`" ] && echo "rsize is \"$rsize\", but rsize must be numbers!!! Program terminated!" && exit 1
[ -n "`echo $wsize | grep [^0-9]`" ] && echo "wsize is \"$wsize\", but wsize must be numbers!!! Program terminated!" && exit 1
# The specified protocol is higher priority, it will overwrite the protocol gton from kernel config
if [ -n "$protocol" ]; then
case "$protocol" in
[uU][dD][pP])
protocol="udp"
;;
[tT][cC][pP])
protocol="tcp"
;;
"auto")
check_kernel_nfsd_tcp_config
rtv=$?
case "$rtv" in
0)
protocol="udp"
;;
1)
protocol="tcp"
;;
esac
;;
*)
echo "PROTOCOL must be \"tcp\" or \"udp\" only"
exit 1
esac
fi
run_mknic_nbi="0"
# for rsize
if [ -n "$rsize" ]; then
echo "The rsize you set for DRBL client is: $rsize"
echo -n "Modifying the NFS rsize parameter of clients... "
perl_str="s/,rsize=[[:digit:]]*,/,rsize=$rsize,/"
# change the fstab of clients
for itab in $drblroot/*; do
[ -f $itab/etc/fstab ] && perl -pi -e "$perl_str" $itab/etc/fstab
done
# change the drbl init in common root
perl -pi -e "$perl_str" $drblroot/../node_root/sbin/init
# change the mkinitrd mount
perl -pi -e "$perl_str" /usr/lib/mkpxeinitrd-net/initrd-skel/sbin/udhcpc-post
echo "done!"
# set the flag to run mknic_nbi
run_mknic_nbi="1"
fi
# for wsize
if [ -n "$wsize" ]; then
echo "The wsize you set for DRBL client is: $wsize"
echo -n "Modifying the NFS wsize parameter of clients... "
perl_str="s/,wsize=[[:digit:]]*,/,wsize=$wsize,/"
# change the fstab of clients
for itab in $drblroot/*; do
[ -f $itab/etc/fstab ] && perl -pi -e "$perl_str" $itab/etc/fstab
done
# change the drbl init in common root
perl -pi -e "$perl_str" $drblroot/../node_root/sbin/init
# change the mkinitrd mount
perl -pi -e "$perl_str" /usr/lib/mkpxeinitrd-net/initrd-skel/sbin/udhcpc-post
echo "done!"
# set the flag to run mknic_nbi
run_mknic_nbi="1"
fi
# for protocol
if [ -n "$protocol" ]; then
echo "The NFS protocol you set for DRBL client is: $protocol"
echo -n "Modifying the NFS protocol parameter of clients... "
perl_str="s/,tcp,|,udp,/,$protocol,/"
# change the fstab of clients
for itab in $drblroot/*; do
[ -f $itab/etc/fstab ] && perl -pi -e "$perl_str" $itab/etc/fstab
done
# change the drbl init in common root
perl -pi -e "$perl_str" $drblroot/../node_root/sbin/init
# change the mkinitrd mount
perl -pi -e "$perl_str" /usr/lib/mkpxeinitrd-net/initrd-skel/sbin/udhcpc-post
echo "done!"
# set the flag to run mknic_nbi
run_mknic_nbi="1"
fi
# make the initrd-net effect if necessary
if [ "$run_mknic_nbi" -eq "1" ]; then
echo "-------------------------------------------------------"
echo "Creating the network boot kernel image for DRBL clients..."
mknic-nbi -a
fi
#
if [ "$gen_ssi" != "no" ]; then
echo "-------------------------------------------------------"
echo "Since some config files are modified in template client, creating template tarball for DRBL SSI..."
drbl-gen-ssi-files
fi
echo "Please reboot the CLIENTS to make the new setting of NFS effect!"
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