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
  18 # Get service config - may override defaults
  19 # [ -f /etc/sysconfig/cassandra ] && . /etc/sysconfig/cassandra
  20
  21 # Check that networking is up.
  22 if is_yes "${NETWORKING}"; then
  23         if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then
  24                 msg_network_down cassandra
  25                 exit 1
  26         fi
  27 else
  28         exit 0
  29 fi
  30
  31 test -x /usr/sbin/cassandra  || exit 0
  32
  33 start() {
  34         # Check if the service is already running?
  35         if [ ! -f /var/lock/subsys/cassandra ]; then
  36                 msg_starting cassandra
  37                 daemon --user cassandra /usr/sbin/cassandra  -p /var/run/cassandra/cassandra.pid
  38                 RETVAL=$?
  39                 [ $RETVAL -eq 0 ] && touch /var/lock/subsys/cassandra
  40         else
  41                 msg_already_running cassandra
  42         fi
  43 }
  44
  45
  46 stop() {
  47         if [ -f /var/lock/subsys/cassandra ]; then
  48                 # Stop daemons.
  49                 msg_stopping cassandra
  50                 # TODO: Fix it to work it properly with default PLD starting script scheme
  51                 # I do not know how to make
  52                 pid=$(cat /var/run/cassandra/cassandra.pid)
  53                 ## echo "DEBUG: Using pid=$pid."
  54                 kill -TERM  $pid
  55                 # 0 - call succeed
  56                 RETVAL=$?
  57                 if [ $RETVAL -eq 0 ]; then # Success, giving some time for cassandra to flush.
  58                     checkpid $pid && sleep 1
  59                     checkpid $pid && sleep 3
  60                     checkpid $pid && sleep 5
  61                     if checkpid $pid;  then
  62                         fail
  63                         log_failed "cassandra shutdown (timeout after -TERM)"
  64                     else
  65                         ok
  66                         log_success "cassandra shutdown"
  67                     fi
  68                     rm -f /var/lock/subsys/cassandra
  69                 else
  70                 # rm /var/lock/subsys/cassandra
  71                      fail
  72                      log_failed "cassandra shutdown (signalling error)"
  73                      rm /var/lock/subsys/cassandra
  74                 fi
  75                 ## echo "DEBUG: kill retval: $RETVAL"
  76         else
  77                 msg_not_running cassandra
  78         fi
  79 }
  80
  81 condrestart() {
  82         if [ -f /var/lock/subsys/cassandra ]; then
  83                 stop
  84                 start
  85         else
  86                 msg_not_running cassandra
  87                 RETVAL=$1
  88         fi
  89 }
  90
  91 RETVAL=0
  92 # See how we were called.
  93 case "$1" in
  94   start)
  95         start
  96         ;;
  97   stop)
  98         stop
  99         ;;
 100   restart)
 101         stop
 102         start
 103         ;;
 104   try-restart)
 105         condrestart 0
 106         ;;
 107   force-reload)
 108         condrestart 7
 109         ;;
 110   status)
 111         # Does not work with /usr/sbin/cassandra for some reason
 112         status cassandra
 113         ;;
 114   *)
 115         # msg_usage "$0 {start|stop|restart|try-restart|force-reload|status}"
 116         msg_usage "$0 {start|stop|restart|try-restart|force-reload}"
 117         exit 3
 118 esac
 119
 120 exit $RETVAL