mirror of
https://github.com/correl/rebar.git
synced 2024-12-18 03:00:17 +00:00
130 lines
3.3 KiB
Bash
Executable file
130 lines
3.3 KiB
Bash
Executable file
#!/bin/bash
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RUNNER_SCRIPT_DIR=$(cd ${0%/*} && pwd)
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RUNNER_BASE_DIR=${RUNNER_SCRIPT_DIR%/*}
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RUNNER_ETC_DIR=$RUNNER_BASE_DIR/etc
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RUNNER_LOG_DIR=$RUNNER_BASE_DIR/log
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PIPE_DIR=/tmp/$RUNNER_BASE_DIR/
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RUNNER_USER=
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# Make sure this script is running as the appropriate user
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if [ ! -z "$RUNNER_USER" ] && [ `whoami` != "$RUNNER_USER" ]; then
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exec sudo -u $RUNNER_USER -i $0 $@
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fi
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# Make sure CWD is set to runner base dir
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cd $RUNNER_BASE_DIR
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# Make sure log directory exists
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mkdir -p $RUNNER_LOG_DIR
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# Extract the target node name from node.args
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NAME_ARG=`grep -e '-[s]*name' $RUNNER_ETC_DIR/vm.args`
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if [ -z "$NAME_ARG" ]; then
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echo "vm.args needs to have either -name or -sname parameter."
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exit 1
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fi
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# Extract the target cookie
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COOKIE_ARG=`grep -e '-setcookie' $RUNNER_ETC_DIR/vm.args`
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if [ -z "$COOKIE_ARG" ]; then
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echo "vm.args needs to have a -setcookie parameter."
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exit 1
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fi
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# Identify the script name
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SCRIPT=`basename $0`
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# Parse out release and erts info
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START_ERL=`cat $RUNNER_BASE_DIR/releases/start_erl.data`
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ERTS_VSN=${START_ERL% *}
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APP_VSN=${START_ERL#* }
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# Add ERTS bin dir to our path
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ERTS_PATH=$RUNNER_BASE_DIR/erts-$ERTS_VSN/bin
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# Setup command to control the node
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NODETOOL="$ERTS_PATH/escript $ERTS_PATH/nodetool $NAME_ARG $COOKIE_ARG"
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# Check the first argument for instructions
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case "$1" in
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start)
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# Make sure there is not already a node running
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RES=`$NODETOOL ping`
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if [ "$RES" == "pong" ]; then
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echo "Node is already running!"
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exit 1
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fi
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export HEART_COMMAND="$RUNNER_BASE_DIR/bin/$SCRIPT start"
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mkdir -p $PIPE_DIR
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$ERTS_PATH/run_erl -daemon $PIPE_DIR $RUNNER_LOG_DIR "exec $RUNNER_BASE_DIR/bin/$SCRIPT console" 2>&1
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;;
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stop)
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# Wait for the node to completely stop...
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PID=`ps -ef|grep "$RUNNER_BASE_DIR/.*/[b]eam.smp|awk '{print $2}'"`
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$NODETOOL stop
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while `kill -0 $PID 2>/dev/null`;
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do
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sleep 1
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done
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;;
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restart)
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## Restart the VM without exiting the process
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$NODETOOL restart
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;;
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reboot)
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## Restart the VM completely (uses heart to restart it)
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$NODETOOL reboot
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;;
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ping)
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## See if the VM is alive
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$NODETOOL ping
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;;
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attach)
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# Make sure a node IS running
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RES=`$NODETOOL ping`
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if [ "$RES" != "pong" ]; then
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echo "Node is not running!"
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exit 1
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fi
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shift
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$ERTS_PATH/to_erl $PIPE_DIR
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;;
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console)
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# Setup beam-required vars
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ROOTDIR=$RUNNER_BASE_DIR
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BINDIR=$ROOTDIR/erts-$ERTS_VSN/bin
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EMU=beam
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PROGNAME=`echo $0 | sed 's/.*\\///'`
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CMD="$BINDIR/erlexec -boot $RUNNER_BASE_DIR/releases/$APP_VSN/$SCRIPT -embedded -config $RUNNER_ETC_DIR/app.config -args_file $RUNNER_ETC_DIR/vm.args -- ${1+"$@"}"
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export EMU
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export ROOTDIR
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export BINDIR
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export PROGNAME
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# Dump environment info for logging purposes
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echo "Exec: $CMD"
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echo "Root: $ROOTDIR"
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# Log the startup
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logger -t "$SCRIPT[$$]" "Starting up"
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# Start the VM
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exec $CMD
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;;
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*)
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echo "Usage: $SCRIPT {start|stop|restart|reboot|ping|console|attach}"
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exit 1
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;;
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esac
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exit 0
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