VBLADE/vblade-master/contrib/persistence/vblade.init.lsb-daemon

   1 #!/bin/sh
   2
   3 ### BEGIN INIT INFO
   4 # Provides:          vblade
   5 # Required-Start:    $remote_fs $syslog $network
   6 # Required-Stop:     $remote_fs $syslog $network
   7 # Default-Start:     2 3 4 5
   8 # Default-Stop:      0 1 6
   9 # Short-Description: vblade exports
  10 # Description:       Manage all vlbade exports defined in
  11 #                    /etc/vblade.conf.d/
  12 ### END INIT INFO
  13
  14 PATH=/sbin:/usr/sbin:/bin:/usr/bin
  15 DESC="vblade export"
  16 NAME=vblade
  17 VBLADE="/usr/sbin/$NAME"
  18 DAEMON=/usr/bin/daemon
  19 IONICE=/usr/bin/ionice
  20 PIDDIR="/var/run/vblade/"
  21
  22 [ -x "$VBLADE" ] || exit 0
  23 [ -x "$DAEMON" ] || exit 0
  24
  25 mkdir -p "$PIDDIR"
  26
  27 # Load the VERBOSE setting and other rcS variables
  28 . /lib/init/vars.sh
  29
  30 # Define LSB functions
  31 . /lib/lsb/init-functions
  32
  33 # Start a vblade instance
  34 #
  35 # Return
  36 #   0 if daemon has been started
  37 #   1 if daemon was already running
  38 #   2 if daemon could not be started
  39 do_start () {
  40     local INSTANCE="$1"
  41     local CONFIG="$2"
  42
  43     sh -n "$CONFIG" 2>/dev/null || return 2
  44
  45     shelf=
  46     slot=
  47     filename=
  48     netif=
  49     options=
  50     ionice=
  51
  52     . "$CONFIG"
  53
  54     [ "$netif" ] || return 2
  55     [ "$shelf" ] || return 2
  56     [ "$slot" ] || return 2
  57     [ "$filename" ] || return 2
  58
  59     if [ "$ionice" ] ; then
  60         if [ -x "$IONICE" ] ; then
  61             ionice="$IONICE $ionice"
  62         else
  63             ionice=
  64         fi
  65     fi
  66
  67     "$DAEMON" \
  68         --running \
  69         --name "$INSTANCE" \
  70         --pidfiles "$PIDDIR" \
  71         && return 1
  72     $ionice "$DAEMON" \
  73         --respawn \
  74         --name "$INSTANCE" \
  75         --pidfiles "$PIDDIR" \
  76         --output daemon.notice \
  77         --stdout daemon.notice \
  78         --stderr daemon.err -- \
  79         $VBLADE $options $shelf $slot $netif $filename || return 2
  80 }
  81
  82 # Stop a vblade instance
  83 #
  84 # Return
  85 #   0 if daemon has been stopped
  86 #   1 if daemon was already stopped
  87 #   2 if daemon could not be stopped
  88 #   other if a failure occurred
  89 do_stop () {
  90     local INSTANCE="$1"
  91
  92     "$DAEMON" \
  93         --running \
  94         --name "$INSTANCE" \
  95         --pidfiles "$PIDDIR" || return 1
  96     "$DAEMON" \
  97         --stop \
  98         --name "$INSTANCE" \
  99         --pidfiles "$PIDDIR" \
 100         --stop || return 2
 101     # Wait until the process is gone
 102     for i in $(seq 1 10) ; do
 103         "$DAEMON" \
 104             --running \
 105             --name "$INSTANCE" \
 106             --pidfiles "$PIDDIR" || return 0
 107     done
 108     return 2
 109 }
 110
 111 EXIT=0
 112
 113 do_action () {
 114     local CONFIG="$1"
 115
 116     INSTANCE="$(basename "${CONFIG%%.conf}")"
 117
 118     case "$ACTION" in
 119         start)
 120             [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$INSTANCE"
 121             do_start "$INSTANCE" "$CONFIG"
 122             case "$?" in
 123                 0|1)    [ "$VERBOSE" != no ] && log_end_msg 0 ;;
 124                 2)      [ "$VERBOSE" != no ] && log_end_msg 1 ;;
 125             esac
 126             ;;
 127         stop)
 128             [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$INSTANCE"
 129             do_stop "$INSTANCE"
 130             case "$?" in
 131                 0|1)    [ "$VERBOSE" != no ] && log_end_msg 0 ;;
 132                 2)      [ "$VERBOSE" != no ] && log_end_msg 1 ;;
 133             esac
 134             ;;
 135         status)
 136             status_of_proc -p "$PIDDIR/$INSTANCE.pid" "$VBLADE" "vblade instance $INSTANCE" || EXIT=$?
 137             ;;
 138         restart|force-reload)
 139             log_daemon_msg "Restarting $DESC" "$INSTANCE"
 140             do_stop "$INSTANCE"
 141             case "$?" in
 142                 0|1)
 143                     do_start "$INSTANCE" "$CONFIG"
 144                     case "$?" in
 145                         0)  log_end_msg 0 ;;
 146                         *)
 147                             # Old process is still running or
 148                             # failed to start
 149                             log_end_msg 1 ;;
 150                     esac
 151                     ;;
 152                 *)
 153                     # Failed to stop
 154                     log_end_msg 1
 155                     ;;
 156                 esac
 157             ;;
 158         *)
 159             echo "Usage: /etc/init.d/vblade {start|stop|status|restart|force-reload} [<export> ...]" >&2
 160             exit 3
 161             ;;
 162     esac
 163 }
 164
 165
 166 ACTION="$1"
 167 shift
 168
 169 if [ "$1" ] ; then
 170     while [ "$1" ] ; do
 171         CONFIG="/etc/vblade.conf.d/$1.conf"
 172         if [ -f "$CONFIG" ] ; then
 173             do_action "$CONFIG"
 174         fi
 175         shift
 176     done
 177 else
 178     for CONFIG in /etc/vblade.conf.d/*.conf ; do
 179         if [ -f "$CONFIG" ] ; then
 180             do_action "$CONFIG"
 181         fi
 182     done
 183 fi
 184
 185 exit $EXIT