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 . "${CTDB_BASE}/functions"
  44
  45 load_system_config "network"
  46
  47 # check networking is up (for redhat)
  48 if [ "$NETWORKING" = "no" ] ; then
  49     exit 0
  50 fi
  51
  52 load_system_config "ctdb"
  53
  54 detect_init_style
  55 export CTDB_INIT_STYLE
  56
  57 ctdbd="${CTDBD:-/usr/sbin/ctdbd}"
  58 ctdb="${CTDB:-/usr/bin/ctdb}"
  59 pidfile="/var/run/ctdb/ctdbd.pid"
  60
  61 ############################################################
  62
  63 start()
  64 {
  65     printf "Starting ctdbd service: "
  66
  67     case "$CTDB_INIT_STYLE" in
  68         suse)
  69             startproc "$ctdbd"
  70             rc_status -v
  71             ;;
  72         redhat)
  73             daemon --pidfile "$pidfile" "$ctdbd"
  74             RETVAL=$?
  75             echo
  76             [ $RETVAL -eq 0 ] && touch /var/lock/subsys/ctdb || RETVAL=1
  77             return $RETVAL
  78             ;;
  79         debian)
  80             eval start-stop-daemon --start --quiet --background --exec "$ctdbd"
  81             ;;
  82     esac
  83 }
  84
  85 stop()
  86 {
  87     printf "Shutting down ctdbd service: "
  88
  89     case "$CTDB_INIT_STYLE" in
  90         suse)
  91             "$ctdb" "shutdown"
  92             rc_status -v
  93             ;;
  94         redhat)
  95             "$ctdb" "shutdown"
  96             RETVAL=$?
  97             # Common idiom in Red Hat init scripts - success() always
  98             # succeeds so this does behave like if-then-else
  99             # shellcheck disable=SC2015
 100             [ $RETVAL -eq 0 ] && success || failure
 101             echo ""
 102             [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/ctdb
 103             return $RETVAL
 104             ;;
 105         debian)
 106             "$ctdb" "shutdown"
 107             log_end_msg $?
 108             ;;
 109     esac
 110 }
 111
 112 restart()
 113 {
 114     stop
 115     start
 116 }
 117
 118 check_status ()
 119 {
 120         case "$CTDB_INIT_STYLE" in
 121         suse)
 122                 checkproc -p "$pidfile" "$ctdbd"
 123                 rc_status -v
 124                 ;;
 125         redhat)
 126                 status -p "$pidfile" -l "ctdb" "$ctdbd"
 127                 ;;
 128         debian)
 129                 status_of_proc -p "$pidfile" "$ctdbd" "ctdb"
 130                 ;;
 131         esac
 132 }
 133
 134 ############################################################
 135
 136 case "$1" in
 137     start)
 138         start
 139         ;;
 140     stop)
 141         stop
 142         ;;
 143     restart|reload|force-reload)
 144         restart
 145         ;;
 146     status)
 147         check_status
 148         ;;
 149     condrestart|try-restart)
 150         if check_status >/dev/null ; then
 151             restart
 152         fi
 153         ;;
 154     cron)
 155         # used from cron to auto-restart ctdb
 156         check_status >/dev/null 2>&1 || restart
 157         ;;
 158     *)
 159         echo "Usage: $0 {start|stop|restart|reload|force-reload|status|cron|condrestart|try-restart}"
 160         exit 1
 161 esac