cassandra.init

   1 #!/bin/sh
   2 #
   3 # cassandra     Cassandra
   4 #
   5 # chkconfig:    345 84 25
   6 #
   7 # description:  Cassandra database node
   8 #
   9 # processname:  cassandra
  10
  11 # Source function library
  12 . /etc/rc.d/init.d/functions
  13
  14 # Get network config
  15 . /etc/sysconfig/network
  16
  17 # Get service config - may override defaults
  18 [ -f /etc/sysconfig/cassandra ] && . /etc/sysconfig/cassandra
  19
  20 # Check that networking is up.
  21 if is_yes "${NETWORKING}"; then
  22         if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then
  23                 msg_network_down "cassandra"
  24                 exit 1
  25         fi
  26 else
  27         exit 0
  28 fi
  29
  30 start() {
  31         # Check if the service is already running?
  32         if [ -f /var/lock/subsys/cassandra ]; then
  33                 msg_already_running "cassandra"
  34                 return
  35         fi
  36
  37         msg_starting "cassandra"
  38         daemon --user cassandra /usr/sbin/cassandra -p /var/run/cassandra/cassandra.pid
  39         RETVAL=$?
  40         [ $RETVAL -eq 0 ] && touch /var/lock/subsys/cassandra
  41 }
  42
  43
  44 stop() {
  45         if [ ! -f /var/lock/subsys/cassandra ]; then
  46                 msg_not_running "cassandra"
  47                 return
  48         fi
  49
  50         # Stop daemons.
  51         msg_stopping "cassandra"
  52         # TODO: Fix it to work it properly with default PLD starting script scheme
  53         # I do not know how to make
  54         pid=$(cat /var/run/cassandra/cassandra.pid)
  55         kill -TERM $pid
  56         # 0 - call succeed
  57         RETVAL=$?
  58         if [ $RETVAL -eq 0 ]; then
  59                 # Success, giving some time for cassandra to flush.
  60                 checkpid $pid && sleep 1
  61                 checkpid $pid && sleep 3
  62                 checkpid $pid && sleep 5
  63                 if checkpid $pid; then
  64                         fail
  65                         log_failed "cassandra shutdown (timeout after -TERM)"
  66                 else
  67                         ok
  68                         log_success "cassandra shutdown"
  69                 fi
  70         else
  71                 fail
  72                 log_failed "cassandra shutdown (signalling error)"
  73         fi
  74         rm -f /var/lock/subsys/cassandra
  75 }
  76
  77 condrestart() {
  78         if [ ! -f /var/lock/subsys/cassandra ]; then
  79                 msg_not_running "cassandra"
  80                 RETVAL=$1
  81                 return
  82         fi
  83
  84         stop
  85         start
  86 }
  87
  88 RETVAL=0
  89 # See how we were called.
  90 case "$1" in
  91   start)
  92         start
  93         ;;
  94   stop)
  95         stop
  96         ;;
  97   restart)
  98         stop
  99         start
 100         ;;
 101   try-restart)
 102         condrestart 0
 103         ;;
 104   force-reload)
 105         condrestart 7
 106         ;;
 107   status)
 108         # Does not work with /usr/sbin/cassandra for some reason
 109         status cassandra
 110         ;;
 111   *)
 112         msg_usage "$0 {start|stop|restart|try-restart|force-reload}"
 113         exit 3
 114 esac
 115
 116 exit $RETVAL