ctdb/config/ctdb.init

   1 #!/bin/sh
   2
   3 # Start and stop CTDB (Clustered TDB daemon)
   4 #
   5 # chkconfig: - 90 01
   6 #
   7 # description: Starts and stops CTDB
   8 # pidfile: /var/run/ctdb/ctdbd.pid
   9 # config: /etc/sysconfig/ctdb
  10
  11 ### BEGIN INIT INFO
  12 # Provides:            ctdb
  13 # Required-Start:      $local_fs $syslog $network $remote_fs
  14 # Required-Stop:       $local_fs $syslog $network $remote_fs
  15 # Default-Start:       2 3 4 5
  16 # Default-Stop:        0 1 6
  17 # Short-Description:   start and stop ctdb service
  18 # Description:         Start and stop CTDB (Clustered TDB daemon)
  19 ### END INIT INFO
  20
  21 # Source function library.
  22 if [ -f /etc/init.d/functions ] ; then
  23     # Red Hat
  24     . /etc/init.d/functions
  25 elif [ -f /etc/rc.d/init.d/functions ] ; then
  26     # Red Hat
  27     . /etc/rc.d/init.d/functions
  28 elif [ -f /etc/rc.status ] ; then
  29     # SUSE
  30     . /etc/rc.status
  31     rc_reset
  32     LC_ALL=en_US.UTF-8
  33 elif [ -f /lib/lsb/init-functions ] ; then
  34     # Debian
  35     . /lib/lsb/init-functions
  36 fi
  37
  38 # Avoid using root's TMPDIR
  39 unset TMPDIR
  40
  41 [ -n "$CTDB_BASE" ] || export CTDB_BASE="/etc/ctdb"
  42
  43 . "${CTDB_BASE}/functions"
  44 loadconfig "network"
  45 loadconfig "ctdb"
  46
  47 # check networking is up (for redhat)
  48 if [ "$NETWORKING" = "no" ] ; then
  49     exit 0
  50 fi
  51
  52 detect_init_style
  53 export CTDB_INIT_STYLE
  54
  55 ctdbd="${CTDBD:-/usr/sbin/ctdbd}"
  56 ctdbd_wrapper="${CTDBD_WRAPPER:-/usr/sbin/ctdbd_wrapper}"
  57 pidfile="${CTDB_PIDFILE:-/var/run/ctdb/ctdbd.pid}"
  58
  59 ############################################################
  60
  61 start()
  62 {
  63     printf "Starting ctdbd service: "
  64
  65     case "$CTDB_INIT_STYLE" in
  66         suse)
  67             startproc \
  68                 "$ctdbd_wrapper" "$pidfile" "start"
  69             rc_status -v
  70             ;;
  71         redhat)
  72             daemon --pidfile "$pidfile" \
  73                 "$ctdbd_wrapper" "$pidfile" "start"
  74             RETVAL=$?
  75             echo
  76             [ $RETVAL -eq 0 ] && touch /var/lock/subsys/ctdb || RETVAL=1
  77             return $RETVAL
  78             ;;
  79         debian)
  80             eval start-stop-daemon --start --quiet --background --exec \
  81                 "$ctdbd_wrapper" "$pidfile" "start"
  82             ;;
  83     esac
  84 }
  85
  86 stop()
  87 {
  88     printf "Shutting down ctdbd service: "
  89
  90     case "$CTDB_INIT_STYLE" in
  91         suse)
  92             "$ctdbd_wrapper" "$pidfile" "stop"
  93             rc_status -v
  94             ;;
  95         redhat)
  96             "$ctdbd_wrapper" "$pidfile" "stop"
  97             RETVAL=$?
  98             # Common idiom in Red Hat init scripts - success() always
  99             # succeeds so this does behave like if-then-else
 100             # shellcheck disable=SC2015
 101             [ $RETVAL -eq 0 ] && success || failure
 102             echo ""
 103             [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/ctdb
 104             return $RETVAL
 105             ;;
 106         debian)
 107             "$ctdbd_wrapper" "$pidfile" "stop"
 108             log_end_msg $?
 109             ;;
 110     esac
 111 }
 112
 113 restart()
 114 {
 115     stop
 116     start
 117 }
 118
 119 check_status ()
 120 {
 121     # Backward compatibility.  When we arrange to pass --pidfile to
 122     # ctdbd we also create the directory that will contain it.  If
 123     # that directory is missing then we don't use the pidfile to check
 124     # status.  Note that this probably won't work if
 125     # $CTDB_VALGRIND="yes" but this doesn't need full backward
 126     # compatibility because it is a debug option.
 127     _d=$(dirname "$pidfile")
 128     if [ -d "$_d" ] ; then
 129         _pf_opt="-p $pidfile"
 130     else
 131         _pf_opt=""
 132     fi
 133
 134     case "$CTDB_INIT_STYLE" in
 135         suse)
 136             checkproc $_pf_opt "$ctdbd"
 137             rc_status -v
 138             ;;
 139         redhat)
 140             status $_pf_opt -l "ctdb" "$ctdbd"
 141             ;;
 142         debian)
 143             status_of_proc $_pf_opt "$ctdbd" "ctdb"
 144             ;;
 145     esac
 146 }
 147
 148 ############################################################
 149
 150 case "$1" in
 151     start)
 152         start
 153         ;;
 154     stop)
 155         stop
 156         ;;
 157     restart|reload|force-reload)
 158         restart
 159         ;;
 160     status)
 161         check_status
 162         ;;
 163     condrestart|try-restart)
 164         if check_status >/dev/null ; then
 165             restart
 166         fi
 167         ;;
 168     cron)
 169         # used from cron to auto-restart ctdb
 170         check_status >/dev/null 2>&1 || restart
 171         ;;
 172     *)
 173         echo "Usage: $0 {start|stop|restart|reload|force-reload|status|cron|condrestart|try-restart}"
 174         exit 1
 175 esac