148 lines
3.8 KiB
Bash
148 lines
3.8 KiB
Bash
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#! /bin/bash
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### BEGIN INIT INFO
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# Provides: tox-bootstrapd
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# Required-Start: $remote_fs $syslog
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# Required-Stop: $remote_fs $syslog
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: Starts the Tox DHT bootstrapping server daemon
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# Description: Starts the Tox DHT bootstrapping server daemon
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### END INIT INFO
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# PATH should only include /usr/* if it runs after the mountnfs.sh script
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PATH=/sbin:/usr/sbin:/bin:/usr/bin
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DESC="Tox DHT bootstrap daemon"
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NAME=tox-bootstrapd
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DAEMON=/usr/local/bin/$NAME
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CFGFILE=/etc/$NAME.conf
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DAEMON_ARGS="--config $CFGFILE"
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PIDDIR=/var/run/$NAME
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PIDFILE=$PIDDIR/$NAME.pid
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SCRIPTNAME=/etc/init.d/$NAME
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USER=tox-bootstrapd
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GROUP=tox-bootstrapd
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# Set ulimit -n based on number of fds available.
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# This check is borrowed from Debian's tor package, with a few modifications.
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if [ -r /proc/sys/fs/file-max ]; then
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system_max=$(cat /proc/sys/fs/file-max)
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if [ "$system_max" -gt "80000" ] ; then
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MAX_FILEDESCRIPTORS=32768
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elif [ "$system_max" -gt "40000" ] ; then
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MAX_FILEDESCRIPTORS=16384
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elif [ "$system_max" -gt "20000" ] ; then
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MAX_FILEDESCRIPTORS=8192
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elif [ "$system_max" -gt "10000" ] ; then
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MAX_FILEDESCRIPTORS=4096
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else
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MAX_FILEDESCRIPTORS=1024
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cat << EOF
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Warning: Your system has very few file descriptors available in total.
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Maybe you should try raising that by adding 'fs.file-max=100000' to your
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/etc/sysctl.conf file. Feel free to pick any number that you deem appropriate.
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Then run 'sysctl -p'. See /proc/sys/fs/file-max for the current value, and
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file-nr in the same directory for how many of those are used at the moment.
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EOF
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fi
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else
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MAX_FILEDESCRIPTORS=32768
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fi
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# Exit if the package is not installed
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[ -x "$DAEMON" ] || exit 0
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# Load the VERBOSE setting and other rcS variables
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. /lib/init/vars.sh
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# Define LSB log_* functions.
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# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
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# and status_of_proc is working.
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. /lib/lsb/init-functions
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#
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# Function that starts the daemon/service
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#
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do_start()
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{
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# Return
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# 0 if daemon has been started
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# 1 if daemon was already running
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# 2 if daemon could not be started
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if [ ! -d $PIDDIR ]
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then
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mkdir $PIDDIR
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fi
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chown $USER:$GROUP $PIDDIR
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start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test --chuid $USER > /dev/null || return 1
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# TCP Server needs to be able to have lots of TCP sockets open.
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ulimit -n $MAX_FILEDESCRIPTORS
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start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --chuid $USER -- $DAEMON_ARGS || return 2
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}
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#
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# Function that stops the daemon/service
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#
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do_stop()
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{
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# Return
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# 0 if daemon has been stopped
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# 1 if daemon was already stopped
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# 2 if daemon could not be stopped
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# other if a failure occurred
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start-stop-daemon --stop --quiet --retry 5 --pidfile $PIDFILE --name $NAME --chuid $USER
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RETVAL="$?"
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[ "$RETVAL" = 2 ] && return 2
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# Many daemons don't delete their pidfiles when they exit.
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rm -f $PIDFILE
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return "$RETVAL"
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}
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case "$1" in
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start)
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[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
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do_start
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case "$?" in
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0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
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2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
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esac
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;;
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stop)
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[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
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do_stop
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case "$?" in
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0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
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2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
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esac
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;;
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status)
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status_of_proc -p $PIDFILE "$DAEMON" "$NAME" && exit 0 || exit $?
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;;
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restart)
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log_daemon_msg "Restarting $DESC" "$NAME"
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do_stop
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case "$?" in
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0|1)
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do_start
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case "$?" in
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0) log_end_msg 0 ;;
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1) log_end_msg 1 ;; # Old process is still running
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*) log_end_msg 1 ;; # Failed to start
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esac
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;;
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*)
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# Failed to stop
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log_end_msg 1
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;;
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esac
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;;
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*)
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echo "Usage: $SCRIPTNAME {start|stop|status|restart}" >&2
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exit 3
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;;
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esac
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exit 0
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