pt-kill.init

   1 #!/bin/sh
   2 #
   3 # pt-kill       This shell script takes care of starting and stopping the pt-kill services.
   4 #
   5 # chkconfig:    345 60 40
   6 #
   7 # description: pt-kill stops long running MySQL queries
   8 # processname:  pt-kill
   9
  10 # Source function library
  11 . /etc/rc.d/init.d/functions
  12
  13 # Get network config
  14 . /etc/sysconfig/network
  15
  16 # Check that networking is up.
  17 if is_yes "${NETWORKING}"; then
  18         if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then
  19                 msg_network_down "pt-kill"
  20                 exit 1
  21         fi
  22 else
  23         exit 0
  24 fi
  25
  26 config=/etc/percona-toolkit/pt-kill.conf
  27 sentinel=/var/run/pt-kill/pt-kill.sentinel
  28 pidfile=/var/run/pt-kill/pt-kill.pid
  29 user=root
  30
  31 # Get service config - may override defaults
  32 [ -f /etc/sysconfig/pt-kill ] && . /etc/sysconfig/pt-kill
  33
  34 start() {
  35         # Check if the service is already running?
  36         if [ -f /var/lock/subsys/pt-kill ]; then
  37                 msg_already_running "pt-kill"
  38                 return
  39         fi
  40
  41         msg_starting "pt-kill"
  42         # FIXME: instead of removing, fix stop process
  43         rm -f $sentinel
  44         daemon --user $user --redirfds /usr/bin/pt-kill --config $config --daemonize --pid $pidfile --sentinel $sentinel
  45         RETVAL=$?
  46         [ $RETVAL -eq 0 ] && touch /var/lock/subsys/pt-kill
  47 }
  48
  49 stop() {
  50         if [ ! -f /var/lock/subsys/pt-kill ]; then
  51                 msg_not_running "pt-kill"
  52                 return
  53         fi
  54
  55         # Stop daemons.
  56         msg_stopping "pt-kill"
  57         run_cmd --user $user "pt-kill" /usr/bin/pt-kill --config $config --stop --sentinel $sentinel
  58         # FIXME: wait for sentinel and remove it
  59         rm -f /var/lock/subsys/pt-kill
  60 }
  61
  62 condrestart() {
  63         if [ ! -f /var/lock/subsys/pt-kill ]; then
  64                 msg_not_running "pt-kill"
  65                 RETVAL=$1
  66                 return
  67         fi
  68
  69         stop
  70         start
  71 }
  72
  73 RETVAL=0
  74 # See how we were called.
  75 case "$1" in
  76   start)
  77         start
  78         ;;
  79   stop)
  80         stop
  81         ;;
  82   restart)
  83         stop
  84         start
  85         ;;
  86   try-restart)
  87         condrestart 0
  88         ;;
  89   force-reload)
  90         condrestart 7
  91         ;;
  92   status)
  93         status --pidfile $pidfile pt-kill
  94         RETVAL=$?
  95         ;;
  96   *)
  97         msg_usage "$0 {start|stop|restart|try-restart|force-reload|status}"
  98         exit 3
  99 esac
 100
 101 exit $RETVAL