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|
#!@BASHPATH@
# Authors:
# Andrew Beekhof <abeekhof@redhat.com>
# Fabio M. Di Nitto <fdinitto@redhat.com>
#
# License: Revised BSD
# chkconfig: - 20 80
# description: Corosync Cluster Engine
# processname: corosync
#
### BEGIN INIT INFO
# Provides: corosync
# Required-Start: $network $syslog
# Required-Stop: $network $syslog
# Default-Start:
# Default-Stop:
# Short-Description: Starts and stops Corosync Cluster Engine.
# Description: Starts and stops Corosync Cluster Engine.
### END INIT INFO
desc="Corosync Cluster Engine"
prog="corosync"
prog_pid_file="@LOCALSTATEDIR@/run/$prog.pid"
# set secure PATH
PATH="/sbin:/bin:/usr/sbin:/usr/bin:@SBINDIR@"
success()
{
echo -ne "[ OK ]\r"
}
failure()
{
echo -ne "[FAILED]\r"
}
warning()
{
echo -ne "[WARNING]\r"
}
# pid_var_run pid_file
# Echo pid from given pid_file.
# Returns LSB exit code for the 'status' action.
pid_var_run()
{
local pid_file="$1"
local pid
if [ -f "$pid_file" ]; then
[ ! -r "$pid_file" ] && return 4
pid=$(cat "$pid_file")
[ -z "$pid" ] && return 1
[ -n "${pid//[0-9]/}" ] && return 1
if kill -n 0 "$pid" 2>/dev/null;then
echo "$pid"
return 0
else
return 1
fi
fi
return 3
}
# status [-p pid_file] {program}
status()
{
local pid_file
if [ "$1" = "-p" ]; then
pid_file=$2
shift 2
fi
pid=$(pid_var_run "$pid_file" 2>/dev/null)
res=$?
if [ $res -ne 0 -a -z "$pid_file" ]; then
pid=$(__pids_pidof "$1")
[ -n "$pid" ]
res=$?
fi
if [ $res -ne 0 ]; then
echo "$1 is stopped"
else
echo "$1 (pid $pid) is running..."
fi
return $res
}
[ -f @INITCONFIGDIR@/$prog ] && . @INITCONFIGDIR@/$prog
case '@INITCONFIGDIR@' in
*/sysconfig) # rpm based distros
[ -f @INITDDIR@/functions ] && . @INITDDIR@/functions
[ -z "$LOCK_FILE" ] && LOCK_FILE="@LOCALSTATEDIR@/lock/subsys/$prog";;
*/default) # deb based distros
[ -z "$LOCK_FILE" ] && LOCK_FILE="@LOCALSTATEDIR@/lock/$prog";;
esac
# The version of __pids_pidof in /etc/init.d/functions calls pidof with -x
# This means it matches scripts, including this one.
# Redefine it here so that status (from the same file) works.
# Otherwise simultaneous calls to stop() will loop forever
__pids_pidof() {
pidof -c -o $$ -o $PPID -o %PPID "$1" || \
pidof -c -o $$ -o $PPID -o %PPID "${1##*/}"
}
cluster_disabled_at_boot()
{
if grep -q nocluster /proc/cmdline && \
[ "$(tty)" = "/dev/console" ]; then
echo -e "not configured to run at boot"
failure
return 1
fi
return 0
}
wait_for_ipc()
{
try=0
max_try=$((COROSYNC_INIT_TIMEOUT*2-1))
[ "$max_try" -le "0" ] && max_try=120
while [ "$try" -le "$max_try" ]; do
if corosync-cpgtool > /dev/null 2>&1; then
return 0
fi
sleep 0.5
try=$((try + 1))
done
return 1
}
start()
{
echo -n "Starting $desc ($prog): "
! cluster_disabled_at_boot && return
# most recent distributions use tmpfs for @LOCALSTATEDIR@/run
# to avoid to clean it up on every boot.
# they also assume that init scripts will create
# required subdirectories for proper operations
mkdir -p @LOCALSTATEDIR@/run
if status -p "$prog_pid_file" "$prog" > /dev/null 2>&1; then
success
else
$prog $COROSYNC_OPTIONS > /dev/null 2>&1
if [ "$?" != 0 ] || ! wait_for_ipc; then
failure
rtrn=1
else
touch $LOCK_FILE
if corosync-cfgtool -s > /dev/null 2>&1; then
success
else
warning
fi
fi
fi
echo
}
stop()
{
! status -p "$prog_pid_file" "$prog" > /dev/null 2>&1 && return
echo -n "Signaling $desc ($prog) to terminate: "
# Call cfgtool to trigger shutdown callbacks
corosync-cfgtool -H --force > /dev/null 2>&1
# Send TERM signal (if cfgtool -H failed)
kill -TERM "$(pid_var_run $prog_pid_file)" > /dev/null 2>&1
success
echo
echo -n "Waiting for $prog services to unload:"
while status -p "$prog_pid_file" "$prog" > /dev/null 2>&1; do
sleep 1
echo -n "."
done
rm -f $LOCK_FILE
success
echo
}
restart()
{
stop
start
}
rtrn=0
case "$1" in
start)
start
;;
restart|reload|force-reload)
restart
;;
condrestart|try-restart)
if status -p "$prog_pid_file" "$prog" > /dev/null 2>&1; then
restart
fi
;;
status)
status -p "$prog_pid_file" "$prog"
rtrn=$?
;;
stop)
stop
;;
*)
echo "usage: $0 {start|stop|restart|reload|force-reload|condrestart|try-restart|status}"
rtrn=2
;;
esac
exit $rtrn
|
