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#!/usr/bin/env bash
# global
errors=0
# find the mounts and return their pids
function get_mount_pids()
{
local opts
local pid
for opts in $(grep -w fuse.glusterfs /proc/mounts| awk '{print $1":/"$2}');
do
IFS=' ' read -r -a volinfo <<< $(echo "${opts}" | sed 's/:\// /g')
pid+="$(ps -Ao pid,args | grep -w "volfile-server=${volinfo[0]}" |
grep -w "volfile-id=/${volinfo[1]}" | grep -w "${volinfo[2]}" |
awk '{print $1}') "
done
echo "${pid}"
}
# handle mount processes i.e. 'glusterfs'
function kill_mounts()
{
local signal=${1}
local pid
for pid in $(get_mount_pids);
do
echo "sending SIG${signal} to mount process with pid: ${pid}";
kill -${signal} ${pid};
done
}
# handle brick processes and node services
function kill_bricks_and_services()
{
local signal=${1}
local pidfile
local pid
for pidfile in $(find /var/lib/glusterd/ -name '*.pid');
do
local pid=$(cat ${pidfile});
echo "sending SIG${signal} to pid: ${pid}";
kill -${signal} ${pid};
done
}
# for geo-replication, only 'monitor' has pid file written, other
# processes are not having a pid file, so get it through 'ps' and
# handle these processes
function kill_georep_gsync()
{
local signal=${1}
# FIXME: add strick/better check
local gsyncpid=$(ps -Ao pid,args | grep gluster | grep gsync |
awk '{print $1}');
if [ -n "${gsyncpid}" ]
then
echo "sending SIG${signal} to geo-rep gsync process ${gsyncpid}";
kill -${signal} ${gsyncpid} || errors=$((${errors} + 1));
fi
}
function main()
{
kill_mounts TERM
kill_bricks_and_services TERM
kill_georep_gsync TERM
sleep 5;
echo ""
# still not Terminated? let's pass SIGKILL
kill_mounts KILL
kill_bricks_and_services KILL
kill_georep_gsync KILL
exit ${errors};
}
main
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