config/ctdb.init

   1 #!/bin/sh
   2 #
   3 ##############################
   4 # ctdb:                        Starts the clustered tdb daemon
   5 #
   6 # chkconfig:           - 90 01
   7 #
   8 # description:                 Starts and stops the clustered tdb daemon
   9 # pidfile:             /var/run/ctdbd/ctdbd.pid
  10 #
  11
  12 ### BEGIN INIT INFO
  13 # Provides:            ctdb
  14 # Required-Start:      $network
  15 # Required-Stop:       $network
  16 # Default-Stop:
  17 # Default-Start:       3 5
  18 # Short-Description:   start and stop ctdb service
  19 # Description:         initscript for the ctdb service
  20 ### END INIT INFO
  21
  22 # Source function library.
  23 if [ -f /etc/init.d/functions ] ; then
  24   . /etc/init.d/functions
  25 elif [ -f /etc/rc.d/init.d/functions ] ; then
  26   . /etc/rc.d/init.d/functions
  27 fi
  28
  29 [ -f /etc/rc.status ] && {
  30     . /etc/rc.status
  31     rc_reset
  32     LC_ALL=en_US.UTF-8
  33 }
  34
  35 # Avoid using root's TMPDIR
  36 unset TMPDIR
  37
  38 [ -z "$CTDB_BASE" ] && {
  39     export CTDB_BASE="/etc/ctdb"
  40 }
  41
  42 . $CTDB_BASE/functions
  43 loadconfig network
  44 loadconfig ctdb
  45
  46 # check networking is up (for redhat)
  47 [ "${NETWORKING}" = "no" ] && exit 0
  48
  49 [ -z "$CTDB_RECOVERY_LOCK" ] && {
  50     echo "You must configure the location of the CTDB_RECOVERY_LOCK"
  51     exit 1
  52 }
  53 CTDB_OPTIONS="$CTDB_OPTIONS --reclock=$CTDB_RECOVERY_LOCK"
  54
  55 # build up CTDB_OPTIONS variable from optional parameters
  56 [ -z "$CTDB_LOGFILE" ]          || CTDB_OPTIONS="$CTDB_OPTIONS --logfile=$CTDB_LOGFILE"
  57 [ -z "$CTDB_NODES" ]            || CTDB_OPTIONS="$CTDB_OPTIONS --nlist=$CTDB_NODES"
  58 [ -z "$CTDB_SOCKET" ]           || CTDB_OPTIONS="$CTDB_OPTIONS --socket=$CTDB_SOCKET"
  59 [ -z "$CTDB_PUBLIC_ADDRESSES" ] || CTDB_OPTIONS="$CTDB_OPTIONS --public-addresses=$CTDB_PUBLIC_ADDRESSES"
  60 [ -z "$CTDB_PUBLIC_INTERFACE" ] || CTDB_OPTIONS="$CTDB_OPTIONS --public-interface=$CTDB_PUBLIC_INTERFACE"
  61 [ -z "$CTDB_SINGLE_PUBLIC_IP" ] || CTDB_OPTIONS="$CTDB_OPTIONS --single-public-ip=$CTDB_SINGLE_PUBLIC_IP"
  62 [ -z "$CTDB_DBDIR" ]            || CTDB_OPTIONS="$CTDB_OPTIONS --dbdir=$CTDB_DBDIR"
  63 [ -z "$CTDB_DBDIR_PERSISTENT" ] || CTDB_OPTIONS="$CTDB_OPTIONS --dbdir-persistent=$CTDB_DBDIR_PERSISTENT"
  64 [ -z "$CTDB_EVENT_SCRIPT_DIR" ] || CTDB_OPTIONS="$CTDB_OPTIONS --event-script-dir $CTDB_EVENT_SCRIPT_DIR"
  65 [ -z "$CTDB_TRANSPORT" ]        || CTDB_OPTIONS="$CTDB_OPTIONS --transport $CTDB_TRANSPORT"
  66 [ -z "$CTDB_DEBUGLEVEL" ]       || CTDB_OPTIONS="$CTDB_OPTIONS -d $CTDB_DEBUGLEVEL"
  67 [ -z "$CTDB_NOTIFY_SCRIPT" ]       || CTDB_OPTIONS="$CTDB_OPTIONS --notification-script=$CTDB_NOTIFY_SCRIPT"
  68 [ -z "$CTDB_START_AS_DISABLED" ] || [ "$CTDB_START_AS_DISABLED" != "yes" ] || {
  69         CTDB_OPTIONS="$CTDB_OPTIONS --start-as-disabled"
  70 }
  71 [ -z "$CTDB_CAPABILITY_RECMASTER" ] || [ "$CTDB_CAPABILITY_RECMASTER" != "no" ] || {
  72         CTDB_OPTIONS="$CTDB_OPTIONS --no-recmaster"
  73 }
  74 [ -z "$CTDB_CAPABILITY_LMASTER" ] || [ "$CTDB_CAPABILITY_LMASTER" != "no" ] || {
  75         CTDB_OPTIONS="$CTDB_OPTIONS --no-lmaster"
  76 }
  77 [ -z "$CTDB_LVS_PUBLIC_IP" ] || {
  78         CTDB_OPTIONS="$CTDB_OPTIONS --lvs --single-public-ip=$CTDB_LVS_PUBLIC_IP"
  79 }
  80 [ -z "$CTDB_SCRIPT_LOG_LEVEL" ] || {
  81         CTDB_OPTIONS="$CTDB_OPTIONS --script-log-level=$CTDB_SCRIPT_LOG_LEVEL"
  82 }
  83
  84 detect_init_style
  85 export CTDB_INIT_STYLE
  86
  87 if [ "x$CTDB_VALGRIND" = "xyes" ]; then
  88         init_style="valgrind"
  89 else
  90         init_style="$CTDB_INIT_STYLE"
  91 fi
  92
  93 set_retval() {
  94         return $1
  95 }
  96
  97 start() {
  98         killall -q ctdbd
  99         echo -n $"Starting ctdbd service: "
 100
 101         # check all persistent databases that they look ok
 102         PERSISTENT_DB_DIR="/var/ctdb/persistent"
 103         [ -z "$CTDB_DBDIR" ] || {
 104                 PERSISTENT_DB_DIR="$CTDB_DBDIR/persistent"
 105         }
 106         mkdir -p $PERSISTENT_DB_DIR 2>/dev/null
 107         for PDBASE in `ls $PERSISTENT_DB_DIR/*.tdb.[0-9] 2>/dev/null`; do
 108                 /usr/bin/tdbdump $PDBASE >/dev/null 2>/dev/null || {
 109                         echo "Persistent database $PDBASE is corrupted! CTDB will not start."
 110                         return 1
 111                 }
 112         done
 113
 114         case $init_style in
 115             valgrind)
 116                 valgrind -q --log-file=/var/log/ctdb_valgrind /usr/sbin/ctdbd --nosetsched $CTDB_OPTIONS
 117                 RETVAL=0
 118                 ;;
 119             suse)
 120                 startproc /usr/sbin/ctdbd $CTDB_OPTIONS
 121                 rc_status -v
 122                 RETVAL=$?
 123                 ;;
 124             redhat)
 125                 daemon ctdbd $CTDB_OPTIONS
 126                 RETVAL=$?
 127                 echo
 128                 [ $RETVAL -eq 0 ] && touch /var/lock/subsys/ctdb || RETVAL=1
 129                 ;;
 130             ubuntu)
 131                 start-stop-daemon --start --quiet --background --exec /usr/sbin/ctdbd -- $CTDB_OPTIONS
 132                 RETVAL=$?
 133                 ;;
 134         esac
 135
 136         sleep 1
 137         # set any tunables from the config file
 138         set | grep ^CTDB_SET_ | cut -d_ -f3- |
 139         while read v; do
 140             varname=`echo $v | cut -d= -f1`
 141             value=`echo $v | cut -d= -f2`
 142             ctdb setvar $varname $value || RETVAL=1
 143         done || exit 1
 144
 145         return $RETVAL
 146 }
 147
 148 stop() {
 149         echo -n $"Shutting down ctdbd service: "
 150         ctdb ping >& /dev/null || {
 151             echo -n "  Warning: ctdbd not running ! "
 152             case $init_style in
 153                 suse)
 154                     rc_status -v
 155                     ;;
 156                 redhat)
 157                     echo ""
 158                     ;;
 159             esac
 160             return 0
 161         }
 162         ctdb shutdown
 163         RETVAL=$?
 164         count=0
 165         if [ "$init_style" = "valgrind" ]; then
 166             # very crude method
 167             sleep 2
 168             pkill -9 -f valgrind
 169         fi
 170         while killall -q -0 ctdbd; do
 171             sleep 1
 172             count=`expr $count + 1`
 173             [ $count -gt 10 ] && {
 174                 echo -n $"killing ctdbd "
 175                 killall -q -9 ctdbd
 176                 pkill -9 -f $CTDB_BASE/events.d/
 177             }
 178         done
 179         case $init_style in
 180             suse)
 181                 # re-set the return code to the recorded RETVAL
 182                 # in order to print the correct status message
 183                 set_retval $RETVAL
 184                 rc_status -v
 185                 ;;
 186             redhat)
 187                 echo
 188                 [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/ctdb
 189                 echo ""
 190                 ;;
 191         esac
 192         return $RETVAL
 193 }
 194
 195 restart() {
 196         stop
 197         start
 198 }
 199
 200 status() {
 201         echo -n $"Checking for ctdbd service: "
 202         ctdb ping >& /dev/null || {
 203             RETVAL=$?
 204             echo -n "  ctdbd not running. "
 205             case $init_style in
 206                 suse)
 207                     set_retval $RETVAL
 208                     rc_status -v
 209                     ;;
 210                 redhat)
 211                     echo ""
 212                     ;;
 213             esac
 214             return $RETVAL
 215         }
 216         echo ""
 217         ctdb status
 218 }
 219
 220
 221 case "$1" in
 222   start)
 223         start
 224         ;;
 225   stop)
 226         stop
 227         ;;
 228   restart|reload)
 229         restart
 230         ;;
 231   status)
 232         status
 233         ;;
 234   condrestart)
 235         ctdb status > /dev/null && restart || :
 236         ;;
 237   cron)
 238         # used from cron to auto-restart ctdb
 239         ctdb status > /dev/null || restart
 240         ;;
 241   *)
 242         echo $"Usage: $0 {start|stop|restart|status|cron|condrestart}"
 243         exit 1
 244 esac
 245
 246 exit $?