147 lines
3.6 KiB
Bash
Executable file
147 lines
3.6 KiB
Bash
Executable file
#! /bin/bash
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### BEGIN INIT INFO
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# Provides: riak
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# Required-Start: $remote_fs $syslog tinc
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# Required-Stop: $remote_fs $syslog tinc
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: Riak is a distributed data store
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# Description: Riak is a distributed data store
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### END INIT INFO
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NAME=riak
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DAEMON=/usr/sbin/$NAME
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SCRIPTNAME=/etc/init.d/$NAME
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# Read configuration variable file if it is present
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[ -r /etc/default/$NAME ] && . /etc/default/$NAME
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# Load the VERBOSE setting and other rcS variables
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. /lib/init/vars.sh
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. /lib/lsb/init-functions
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# `service` strips all environmental VARS so
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# if no HOME was set in /etc/default/$NAME then set one here
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# to the data directory for erlexec's sake
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if [ -z "$HOME" ]; then
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export HOME=/var/lib/riak
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fi
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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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# Startup with the appropriate user
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start-stop-daemon --start \
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--name riak \
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--user riak \
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--exec $DAEMON -- start \
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|| return 2
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}
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#
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# Function that stops the daemon/service
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#
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do_stop()
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{
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# Identify the erts directory
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ERTS_PATH=`$DAEMON ertspath`
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# Attempt a clean shutdown.
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$DAEMON stop
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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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# Make sure it's down by using a more direct approach
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start-stop-daemon --stop \
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--quiet \
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--retry=TERM/30/KILL/5 \
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--user riak \
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--exec $ERTS_PATH/run_erl
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return $?
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}
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#
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# Function that graceful reload the daemon/service
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#
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do_reload() {
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# Restart the VM without exiting the process
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$DAEMON restart && return $? || return 2
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}
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# Checks the status of a node
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do_status() {
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$DAEMON ping && echo $"$NAME is running" && return 0
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echo $"$NAME is stopped" && return 2
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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 $NAME"
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$DAEMON ping >/dev/null 2>&1 && echo $"$NAME is already running" && exit 0
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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) [ "$VERBOSE" != no ] && log_end_msg 1
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exit 1
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;;
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esac
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;;
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stop)
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[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $NAME"
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do_stop
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case "$?" 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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exit 1
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;;
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esac
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;;
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ping)
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# See if the VM is alive
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$DAEMON ping || exit $?
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;;
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reload|force-reload)
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log_daemon_msg "Reloading $NAME"
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do_reload
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ES=$?
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log_end_msg $ES
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exit $ES
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;;
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restart)
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log_daemon_msg "Restarting $NAME"
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do_stop
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case "$?" 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 && exit 1 ;; # Old process is still running
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*) log_end_msg 1 && exit 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 && exit 1
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;;
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esac
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;;
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status)
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do_status && exit 0 || exit $?
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;;
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*)
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echo "Usage: $SCRIPTNAME {start|stop|ping|restart|force-reload|status}" >&2
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exit 3
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;;
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esac
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:
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