391 lines
10 KiB
Bash
391 lines
10 KiB
Bash
#!/bin/bash
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VOLNAME=
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CONF=
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IP=
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LOG=
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DBGLVL=
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OPT=
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FILE1=
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trap cleanup SIGHUP SIGINT SIGTERM
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if [ $EUID -ne 0 ]; then
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echo "You have to be root to run this script"
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exit 1
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fi
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function usage {
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echo " Usage : nfs-ganesha.sh [-l <logfile>][-n <dbg_lvl>] -v <volname> -i <ganesha_host_ip> -f <config_file> -o <start|stop>
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[-h] display this help
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[-l <logfile>] set the logfile for the daemon
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[-n <dbg_lvl>] set the verbosity level
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dbg_lvl options NIV_NULL, NIV_MAJ, NIV_CRIT, NIV_EVENT, NIV_DEBUG, NIV_MID_DEBUG, NIV_FULL_DEBUG
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-v <volname> name of the volume to be exported
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-i <ganesha_host_ip> IP of the ganesha host
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-f <config_file> set the config file to be used
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-o <start|stop> start or stop ganesha server
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===========Default Values=============
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LogFile : /tmp/nfs-ganesha.log
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DebugLevel : NIV_EVENT"
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}
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while getopts "hf:i:l:n:v:o: -l help" OPTION
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do
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case $OPTION in
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f) CONF=$OPTARG
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;;
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i) IP=$OPTARG
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;;
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l) LOG=$OPTARG
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;;
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n) DBGLVL=$OPTARG
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;;
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h) usage
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exit 1
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;;
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v) VOLNAME=$OPTARG
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;;
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o) OPT=$OPTARG
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;;
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esac
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done
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function cleanup ()
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{
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if [ -f /tmp/old-ganesha.conf ]
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then cp /tmp/old-ganesha.conf $CONF
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exit 1
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fi
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}
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function check_for_stop()
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{
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if echo $OPT | grep -i -q "stop"
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then stop_ganesha
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fi
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}
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function check_usage()
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{
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if [ "$VOLNAME" = "" ]
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then
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usage
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exit 1
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fi
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if [ "$CONF" = "" ]
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then
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usage
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exit 1
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fi
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if [ "$IP" = "" ]
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then
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usage
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exit 1
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fi
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if [ "$OPT" = "" ]
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then
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usage
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exit 1
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fi
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}
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function check_ip {
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if [[ ! $IP =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
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echo "Invalid IP , please enter the correct IP of the ganesha host."
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usage
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exit 1
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fi
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}
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function check_volname
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{
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if ! ls /var/lib/glusterd/vols | grep -q "$VOLNAME" ; then
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echo "Volume doesn't exist. Please enter a valid volume name."
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exit 1
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fi
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}
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function check_conf
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{
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if ! [ -f "$CONF" ]; then
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echo "The config_file $CONF doesn't exist."
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usage
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exit 1
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else
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if ! [ -s "$CONF" ]; then
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echo "The cofig_file $CONF is empty "
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exit 1
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fi
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fi
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}
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function check_option
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{
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if ! echo $OPT | grep -i -q -e "start" -q -e "stop"
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then
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echo "Invalid value for option 'o': start or stop expected"
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exit 1
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else if echo $OPT | grep -i -q "start"
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then
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OPT="start"
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else
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OPT="stop"
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fi
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fi
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}
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function check_debug
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{
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if [ "$DBGLVL" = "" ] ; then
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DBGLVL="NIV_EVENT"
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else
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if ! echo $DBGLVL | grep -q -e " NIV_NULL" -q -e "NIV_MAJOR" -q -e " NIV_CRIT" -q -e "NIV_EVENT" -q -e "NIV_DEBUG" -q -e "NIV_FULL_DEBUG"
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then
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echo "Invalid value for option 'n': NIV_NULL, NIV_MAJ, NIV_CRIT, NIV_EVENT, NIV_DEBUG, NIV_MID_DEBUG or NIV_FULL_DEBUG expected."
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exit 1
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fi
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fi
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}
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function check_logfile
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{
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if [ "$LOG" = "" ]; then
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LOG="/tmp/nfs-ganesha.log"
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else if [ -f $LOG ]
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then
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cp $LOG /tmp/old-ganesha.log
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FILE1="1"
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fi
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fi
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}
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function call_checks
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{
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check_ip
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check_conf
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cp $CONF /tmp/old-ganesha.conf
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check_debug
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check_logfile
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check_option
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check_volname
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}
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function check_glusterd()
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{
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if ! ps aux | grep -q -e "[g]lusterd$" -q -e "[g]lusterd.pid"
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then
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echo "glusterd not started , please start glusterd. "
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exit 1
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fi
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}
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function check_bricks()
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{
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gluster volume status $VOLUME | grep -q "N/A"
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if [ "$?" -eq 0 ]
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then
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echo "Brick(s) not online , please check $VOLUME volume status"
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exit 1
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fi
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}
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function check_glusternfs
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{
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if echo "$(ls /var/lib/glusterd/vols | wc -l)" | grep -q "1" ; then
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if ps aux | grep -q "[g]luster/nfs" ; then
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echo "gluster-nfs server is active, needs to be disabled to proceed. "
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while true; do
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read -p "Do you wish to disable gluster-nfs server ? [Y\N]" yn
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case $yn in
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[Yy]* ) gluster volume set $VOLNAME nfs.disable ON >/dev/null 2>/dev/null; break;;
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[Nn]* ) exit 1;;
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* ) echo "Please answer yes or no.";;
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esac
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done
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sleep 2
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if ps aux | grep -q "[g]luster/nfs" ; then
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echo "Volume set unsuccessful , please try disabling gluster-nfs server "
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exit 1
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fi
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sleep 2
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if rpcinfo -p | grep -q -e "nfs_acl" ; then
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echo " gluster-nfs ports still in use; please try again"
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exit 1
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fi
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fi
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else
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if ps aux | grep -q "[g]luster/nfs"; then
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echo "Please disable gluster-nfs servers on all the volumes"
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exit 1
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fi
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fi
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}
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function check_kernelnfs()
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{
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service nfs status | grep -q -e "dead" -q -e "stopped" -q -e "disabled"
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if [ "$?" -eq 1 ]; then
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echo "kernel-NFS server is active , it needs to disabled to proceed. "
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while true; do
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read -p "Do you wish to disable kernel-nfs server ? [Y\N]" yn
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case $yn in
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[Yy]* ) service nfs stop; break;;
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[Nn]* ) exit 1;;
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* ) echo "Please answer yes or no.";;
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esac
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done
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sleep 2
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service nfs status | grep -q -e "dead" -q -e "stopped" -q -e "inactive" >>/dev/null
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if [ "$?" -eq 1 ]; then
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echo " kernel-NFS server couldn't be disabled , please try again"
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exit 1
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else
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echo "kernel-NFS server successfully disabled"
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fi
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fi
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}
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function check_volstart()
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{
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if ! cat /var/lib/glusterd/vols/$1/info | grep -q "status=1"
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then
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echo "Volume $1 is not started, please start the volume."
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exit 1
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fi
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}
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function check_ganesha
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{
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if ps aux | grep -q "[g]anesha.nfsd" ; then
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echo "NFS-ganesha server is already active , nothing to do."
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exit 1
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fi
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}
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function check_ports
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{
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if netstat -an | grep -q "2049$" ; then
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echo "Port 2049 is already in use , exiting"
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exit 1
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fi
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}
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function check_fsal
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{
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if ! ls /usr/lib64/ganesha | grep -q "libfsalgluster.so" ; then
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echo "Cannot find shared object libfsalgluster.so , exiting"
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exit 1
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fi
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}
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function start_ganesha
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{
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check_ganesha
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#check_rpms
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check_fsal
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check_glusterd
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check_volstart $1
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check_kernelnfs
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check_glusternfs $1
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check_ports
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check_conf $3
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check_bricks $1
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sed -i /^[[:space:]]*\#/!s/volume.*/"volume=$1,hostname=$2\";"/ $3
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sed -i /^[[:space:]]*\#/!s/Pseudo.*/Pseudo="\"\/$1\";"/ $3
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sed -i s/Path.*/Path="\"\/$1\";"/ $3
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sed -i 's/\r//g' $3
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/usr/bin/ganesha.nfsd -f $CONF -L $LOG -N $DBGLVL -d >/dev/null 2>/dev/null
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sleep 5
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}
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function stop_ganesha
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{
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if ! ps aux | grep -q "[g]anesha.nfsd" ; then
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echo "NFS-ganesha server already inactive,nothing to do."
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exit 1
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fi
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kill -9 `cat /var/run/ganesha.pid`
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if ps aux | ganesha.nfsd ; then
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if rpcinfo -p | grep -q -e "nfs" ; then
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echo "NFS-ganesha server could not be stopped, please try again"
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fi
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else
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echo " NFS-ganesha server is now inactive."
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exit 0
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fi
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}
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function check_for_stop()
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{
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if echo $OPT | grep -i -q "stop"
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then stop_ganesha
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fi
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}
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check_for_stop
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check_usage
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call_checks
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if [ "$OPT" = "start" ]
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then
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start_ganesha $VOLNAME $IP $CONF
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if ! ps aux | grep -q "[g]anesha.nfsd" ; then
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start_ganesha $VOLNAME $IP $CONF
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fi
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sleep 5
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if ! ps aux | grep -q "[g]anesha.nfsd"
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then
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if [ "$FILE1" = "1" ]
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then
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cp /tmp/old-ganesha.log $LOG
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rm -rf /tmp/ganesha.log
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fi
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cp /tmp/old-ganesha.conf $CONF
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rm -rf /tmp/ganesha.conf
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echo "Failed to start NFS-ganesha server , please see $LOG for details"
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else
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echo ""
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echo "NFS-ganesha server started."
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echo "============Volume exports============"
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showmount -e $IP
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echo "======================================"
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rm -rf /tmp/old-ganesha.conf
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fi
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fi
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if [ "$OPT" = "stop" ]
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then
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stop_ganesha
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exit 0
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fi
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