heartbeat.init

   1 #!/bin/sh
   2 #
   3 # heartbeat     Starts heartbeat.
   4 #
   5 # chkconfig:    345 40 60
   6 # description:  Heartbeat.
   7
   8 HA_DIR=/etc/ha.d
   9 CONFIG=$HA_DIR/ha.cf
  10 . $HA_DIR/shellfuncs
  11
  12 # Source function library
  13 . /etc/rc.d/init.d/functions
  14
  15 # Get service config
  16 [ -f /etc/sysconfig/heartbeat ] && . /etc/sysconfig/heartbeat
  17
  18 if [ ! -f $CONFIG ]; then
  19         nls "Heartbeat not configured: $CONFIG not found."
  20         exit 1
  21 fi
  22
  23 CrmEnabled() {
  24         case `ha_parameter crm | tr '[A-Z]' '[a-z]'` in
  25                 y|yes|enable|on|true|1|manual)
  26                         true;;
  27                 *)
  28                         false;;
  29         esac
  30 }
  31
  32 StandbyHA() {
  33   auto_failback=`ha_parameter auto_failback | tr 'A-Z' 'a-z'`
  34   nice_failback=`ha_parameter nice_failback | tr 'A-Z' 'a-z'`
  35
  36   case "$auto_failback" in
  37     *legacy*)   echo "auto_failback is set to legacy.  Cannot enter standby."
  38                 exit 1;;
  39   esac
  40   case "$nice_failback" in
  41     *off*)      echo "nice_failback is disabled.  Cannot enter standby."
  42                 exit 1;;
  43   esac
  44   case "${auto_failback}${nice_failback}" in
  45     "") echo "auto_failback defaulted to legacy.  Cannot enter standby."
  46                 exit 1;;
  47   esac
  48
  49   echo "auto_failback: $auto_failback"
  50   if
  51     $HA_BIN/heartbeat -s >/dev/null 2>&1
  52   then
  53     show "Attempting to enter standby mode" ; busy
  54     if
  55       $HA_BIN/hb_standby
  56     then
  57       # It's impossible to tell how long this will take.
  58       started
  59     else
  60       fail
  61     fi
  62   else
  63     msg_not_running heartbeat
  64   fi
  65 }
  66
  67 RunStartStop() {
  68 # Run pre-startup script if it exists
  69 if [  -f $HA_DIR/resource.d/startstop ]; then
  70         $HA_DIR/resource.d/startstop  "$@"
  71 fi
  72 }
  73
  74 start() {
  75         $HA_BIN/ha_logd -s 2>&1 >/dev/null
  76         if [ $? -ne 0 ]; then
  77                 msg_starting ha_logd
  78                 daemon $HA_BIN/ha_logd -d
  79         else
  80                 msg_already_running "ha_logd"
  81         fi
  82         if $HA_BIN/heartbeat -s 2>&1 >/dev/null; then
  83                 msg_already_running "Heartbeat"
  84         else
  85                 RunStartStop pre-start
  86                 if ! CrmEnabled ; then
  87                         $HA_NOARCHBIN/ResourceManager verifyallidle
  88                 fi
  89                 for d in /var/run/heartbeat/{crm,ccm} ; do
  90                         if ! [ -d $d ] ; then
  91                                 mkdir -p $d
  92                                 chown hacluster:haclient $d
  93                                 chmod 750 $d
  94                         fi
  95                 done
  96                 msg_starting "Heartbeat"
  97                 daemon $HA_BIN/heartbeat 2>&1
  98                 touch /var/lock/subsys/heartbeat
  99                 RETVAL=$?
 100                 RunStartStop post-start $RETVAL
 101         fi
 102 }
 103
 104 stop() {
 105         RunStartStop "pre-stop"
 106         $HA_BIN/heartbeat -s 2>&1 >/dev/null
 107         if [ $? -eq 0 ]; then
 108                 msg_stopping "Heartbeat"
 109                 daemon $HA_BIN/heartbeat -k
 110         else
 111                 msg_not_running heartbeat
 112         fi
 113         RunStartStop post-stop $RETVAL
 114         $HA_BIN/ha_logd -s 2>&1 >/dev/null
 115         if [ $? -eq 0 ]; then
 116                 msg_stopping ha_logd
 117                 killproc ha_logd
 118         else
 119                 msg_not_running ha_logd
 120         fi
 121         rm -f /var/lock/subsys/heartbeat 2>/dev/null
 122 }
 123
 124 RETVAL=0
 125 case "$1" in
 126   start)
 127         start
 128         ;;
 129   standby)
 130         StandbyHA
 131         RETVAL=$?
 132         ;;
 133   status)
 134         $HA_BIN/heartbeat -s
 135         RETVAL=$?
 136         ;;
 137   stop)
 138         stop
 139         ;;
 140   restart)
 141         stop
 142         start
 143         ;;
 144   force-reload|reload)
 145         msg_reloading "Heartbeat"
 146         daemon $HA_BIN/heartbeat -r
 147         RETVAL=$?
 148         ;;
 149   *)
 150         msg_usage "$0 {start|stop|status|standby|restart|reload|force-reload}"
 151         exit 3
 152         ;;
 153 esac
 154
 155 exit $RETVAL