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 --pidfile /var/run/logd.pid $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 --pidfile /var/run/heartbeat.pid $HA_BIN/heartbeat 2>&1
  98                 touch /var/lock/subsys/heartbeat
  99                 RETVAL=$?
 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                 busy
 110                 $HA_BIN/heartbeat -k
 111                 RETVAL=$?
 112                 [ $RETVAL -eq 0 ] && ok || fail
 113         else
 114                 msg_not_running heartbeat
 115         fi
 116         RunStartStop post-stop $RETVAL
 117         $HA_BIN/ha_logd -s 2>&1 >/dev/null
 118         if [ $? -eq 0 ]; then
 119                 msg_stopping ha_logd
 120                 busy
 121                 $HA_BIN/ha_logd -k
 122                 RETVAL=$?
 123                 [ $RETVAL -eq 0 ] && ok || fail
 124         else
 125                 msg_not_running ha_logd
 126         fi
 127         rm -f /var/lock/subsys/heartbeat /var/run/heartbeat.pid /var/run/logd.pid 2>/dev/null
 128 }
 129
 130 RETVAL=0
 131 case "$1" in
 132   start)
 133         start
 134         ;;
 135   standby)
 136         StandbyHA
 137         RETVAL=$?
 138         ;;
 139   status)
 140         $HA_BIN/heartbeat -s
 141         RETVAL=$?
 142         ;;
 143   stop)
 144         stop
 145         ;;
 146   restart)
 147         stop
 148         start
 149         ;;
 150   force-reload|reload)
 151         msg_reloading "Heartbeat"
 152         busy
 153         $HA_BIN/heartbeat -r
 154         RETVAL=$?
 155         [ $RETVAL -eq 0 ] && ok || fail
 156         ;;
 157   *)
 158         msg_usage "$0 {start|stop|status|standby|restart|reload|force-reload}"
 159         exit 3
 160         ;;
 161 esac
 162
 163 exit $RETVAL