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         echo -n $"Starting ctdbd service: "
  99
 100         ctdb ping >& /dev/null
 101         if [ $? == "0" ] ; then
 102                 echo $"CTDB is already running"
 103                 RETVAL=1
 104                 return $RETVAL
 105         fi
 106
 107         # check all persistent databases that they look ok
 108         PERSISTENT_DB_DIR="/var/ctdb/persistent"
 109         [ -z "$CTDB_DBDIR" ] || {
 110                 PERSISTENT_DB_DIR="$CTDB_DBDIR/persistent"
 111         }
 112         mkdir -p $PERSISTENT_DB_DIR 2>/dev/null
 113         for PDBASE in `ls $PERSISTENT_DB_DIR/*.tdb.[0-9] 2>/dev/null`; do
 114                 /usr/bin/tdbdump $PDBASE >/dev/null 2>/dev/null || {
 115                         echo "Persistent database $PDBASE is corrupted! CTDB will not start."
 116                         return 1
 117                 }
 118         done
 119
 120         case $init_style in
 121             valgrind)
 122                 valgrind -q --log-file=/var/log/ctdb_valgrind /usr/sbin/ctdbd --nosetsched $CTDB_OPTIONS
 123                 RETVAL=0
 124                 ;;
 125             suse)
 126                 startproc /usr/sbin/ctdbd $CTDB_OPTIONS
 127                 rc_status -v
 128                 RETVAL=$?
 129                 ;;
 130             redhat)
 131                 daemon ctdbd $CTDB_OPTIONS
 132                 RETVAL=$?
 133                 echo
 134                 [ $RETVAL -eq 0 ] && touch /var/lock/subsys/ctdb || RETVAL=1
 135                 ;;
 136             ubuntu)
 137                 start-stop-daemon --start --quiet --background --exec /usr/sbin/ctdbd -- $CTDB_OPTIONS
 138                 RETVAL=$?
 139                 ;;
 140         esac
 141
 142         sleep 1
 143         # set any tunables from the config file
 144         set | grep ^CTDB_SET_ | cut -d_ -f3- |
 145         while read v; do
 146             varname=`echo $v | cut -d= -f1`
 147             value=`echo $v | cut -d= -f2`
 148             ctdb setvar $varname $value || RETVAL=1
 149         done || exit 1
 150
 151         return $RETVAL
 152 }
 153
 154 stop() {
 155         echo -n $"Shutting down ctdbd service: "
 156         ctdb ping >& /dev/null || {
 157             echo -n "  Warning: ctdbd not running ! "
 158             case $init_style in
 159                 suse)
 160                     rc_status -v
 161                     ;;
 162                 redhat)
 163                     echo ""
 164                     ;;
 165             esac
 166             return 0
 167         }
 168         ctdb shutdown
 169         RETVAL=$?
 170         count=0
 171         if [ "$init_style" = "valgrind" ]; then
 172             # very crude method
 173             sleep 2
 174             pkill -9 -f valgrind
 175         fi
 176         while killall -q -0 ctdbd; do
 177             sleep 1
 178             count=`expr $count + 1`
 179             [ $count -gt 10 ] && {
 180                 echo -n $"killing ctdbd "
 181                 killall -q -9 ctdbd
 182                 pkill -9 -f $CTDB_BASE/events.d/
 183             }
 184         done
 185         case $init_style in
 186             suse)
 187                 # re-set the return code to the recorded RETVAL
 188                 # in order to print the correct status message
 189                 set_retval $RETVAL
 190                 rc_status -v
 191                 ;;
 192             redhat)
 193                 echo
 194                 [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/ctdb
 195                 echo ""
 196                 ;;
 197         esac
 198         return $RETVAL
 199 }
 200
 201 restart() {
 202         stop
 203         start
 204 }
 205
 206 status() {
 207         echo -n $"Checking for ctdbd service: "
 208         ctdb ping >& /dev/null || {
 209             RETVAL=$?
 210             echo -n "  ctdbd not running. "
 211             case $init_style in
 212                 suse)
 213                     set_retval $RETVAL
 214                     rc_status -v
 215                     ;;
 216                 redhat)
 217                     echo ""
 218                     ;;
 219             esac
 220             return $RETVAL
 221         }
 222         echo ""
 223         ctdb status
 224 }
 225
 226
 227 case "$1" in
 228   start)
 229         start
 230         ;;
 231   stop)
 232         stop
 233         ;;
 234   restart|reload)
 235         restart
 236         ;;
 237   status)
 238         status
 239         ;;
 240   condrestart)
 241         ctdb status > /dev/null && restart || :
 242         ;;
 243   cron)
 244         # used from cron to auto-restart ctdb
 245         ctdb status > /dev/null || restart
 246         ;;
 247   *)
 248         echo $"Usage: $0 {start|stop|restart|status|cron|condrestart}"
 249         exit 1
 250 esac
 251
 252 exit $?