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#!/bin/sh
# -*- tab-width:4;indent-tabs-mode:nil -*-
# ex: ts=4 sw=4 et
RUNNER_SCRIPT_DIR=$(cd ${0%/*} && pwd)
RUNNER_BASE_DIR=${RUNNER_SCRIPT_DIR%/*}
RUNNER_ETC_DIR=$RUNNER_BASE_DIR/etc
RUNNER_LOG_DIR=$RUNNER_BASE_DIR/log
# Note the trailing slash on $PIPE_DIR/
PIPE_DIR=/tmp/$RUNNER_BASE_DIR/
RUNNER_USER=
# Make sure this script is running as the appropriate user
if [ ! -z "$RUNNER_USER" ] && [ `whoami` != "$RUNNER_USER" ]; then
exec sudo -u $RUNNER_USER -i $0 $@
fi
# Make sure CWD is set to runner base dir
cd $RUNNER_BASE_DIR
# Make sure log directory exists
mkdir -p $RUNNER_LOG_DIR
# Identify the script name
SCRIPT=`basename $0`
# Parse out release and erts info
START_ERL=`cat $RUNNER_BASE_DIR/releases/start_erl.data`
ERTS_VSN=${START_ERL% *}
APP_VSN=${START_ERL#* }
# Use releases/VSN/vm.args if it exists otherwise use etc/vm.args
if [ -e "$RUNNER_BASE_DIR/releases/$APP_VSN/vm.args" ]; then
VMARGS_PATH="$RUNNER_BASE_DIR/releases/$APP_VSN/vm.args"
else
VMARGS_PATH="$RUNNER_ETC_DIR/vm.args"
fi
# Use releases/VSN/sys.config if it exists otherwise use etc/app.config
if [ -e "$RUNNER_BASE_DIR/releases/$APP_VSN/sys.config" ]; then
CONFIG_PATH="$RUNNER_BASE_DIR/releases/$APP_VSN/sys.config"
else
CONFIG_PATH="$RUNNER_ETC_DIR/app.config"
fi
# Extract the target node name from node.args
NAME_ARG=`egrep '^-s?name' $VMARGS_PATH`
if [ -z "$NAME_ARG" ]; then
echo "vm.args needs to have either -name or -sname parameter."
exit 1
fi
# Extract the target cookie
COOKIE_ARG=`grep '^-setcookie' $VMARGS_PATH`
if [ -z "$COOKIE_ARG" ]; then
echo "vm.args needs to have a -setcookie parameter."
exit 1
fi
# Add ERTS bin dir to our path
ERTS_PATH=$RUNNER_BASE_DIR/erts-$ERTS_VSN/bin
# Setup command to control the node
NODETOOL="$ERTS_PATH/escript $ERTS_PATH/nodetool $NAME_ARG $COOKIE_ARG"
# Check the first argument for instructions
case "$1" in
start)
# Make sure there is not already a node running
RES=`$NODETOOL ping`
if [ "$RES" = "pong" ]; then
echo "Node is already running!"
exit 1
fi
shift # remove $1
RUN_PARAM=$(printf "\'%s\' " "$@")
HEART_COMMAND="$RUNNER_BASE_DIR/bin/$SCRIPT start $RUN_PARAM"
export HEART_COMMAND
mkdir -p $PIPE_DIR
$ERTS_PATH/run_erl -daemon $PIPE_DIR $RUNNER_LOG_DIR "exec $RUNNER_BASE_DIR/bin/$SCRIPT console $RUN_PARAM" 2>&1
;;
stop)
# Wait for the node to completely stop...
case `uname -s` in
Linux|Darwin|FreeBSD|DragonFly|NetBSD|OpenBSD)
# PID COMMAND
PID=`ps ax -o pid= -o command=|\
grep "$RUNNER_BASE_DIR/.*/[b]eam"|awk '{print $1}'`
;;
SunOS)
# PID COMMAND
PID=`ps -ef -o pid= -o args=|\
grep "$RUNNER_BASE_DIR/.*/[b]eam"|awk '{print $1}'`
;;
CYGWIN*)
# UID PID PPID TTY STIME COMMAND
PID=`ps -efW|grep "$RUNNER_BASE_DIR/.*/[b]eam"|awk '{print $2}'`
;;
esac
$NODETOOL stop
ES=$?
if [ "$ES" -ne 0 ]; then
exit $ES
fi
while `kill -0 $PID 2>/dev/null`;
do
sleep 1
done
;;
restart)
## Restart the VM without exiting the process
$NODETOOL restart
ES=$?
if [ "$ES" -ne 0 ]; then
exit $ES
fi
;;
reboot)
## Restart the VM completely (uses heart to restart it)
$NODETOOL reboot
ES=$?
if [ "$ES" -ne 0 ]; then
exit $ES
fi
;;
ping)
## See if the VM is alive
$NODETOOL ping
ES=$?
if [ "$ES" -ne 0 ]; then
exit $ES
fi
;;
attach)
# Make sure a node IS running
RES=`$NODETOOL ping`
ES=$?
if [ "$ES" -ne 0 ]; then
echo "Node is not running!"
exit $ES
fi
shift
exec $ERTS_PATH/to_erl $PIPE_DIR
;;
console|console_clean)
# .boot file typically just $SCRIPT (ie, the app name)
# however, for debugging, sometimes start_clean.boot is useful:
case "$1" in
console) BOOTFILE=$SCRIPT ;;
console_clean) BOOTFILE=start_clean ;;
esac
# Setup beam-required vars
ROOTDIR=$RUNNER_BASE_DIR
BINDIR=$ROOTDIR/erts-$ERTS_VSN/bin
EMU=beam
PROGNAME=`echo $0 | sed 's/.*\\///'`
CMD="$BINDIR/erlexec -boot $RUNNER_BASE_DIR/releases/$APP_VSN/$BOOTFILE -mode embedded -config $CONFIG_PATH -args_file $VMARGS_PATH"
export EMU
export ROOTDIR
export BINDIR
export PROGNAME
# Dump environment info for logging purposes
echo "Exec: $CMD" -- ${1+"$@"}
echo "Root: $ROOTDIR"
# Log the startup
logger -t "$SCRIPT[$$]" "Starting up"
# Start the VM
exec $CMD -- ${1+"$@"}
;;
foreground)
# start up the release in the foreground for use by runit
# or other supervision services
BOOTFILE=$SCRIPT
FOREGROUNDOPTIONS="-noinput +Bd"
# Setup beam-required vars
ROOTDIR=$RUNNER_BASE_DIR
BINDIR=$ROOTDIR/erts-$ERTS_VSN/bin
EMU=beam
PROGNAME=`echo $0 | sed 's/.*\///'`
CMD="$BINDIR/erlexec $FOREGROUNDOPTIONS -boot $RUNNER_BASE_DIR/releases/$APP_VSN/$BOOTFILE -config $CONFIG_PATH -args_file $VMARGS_PATH"
export EMU
export ROOTDIR
export BINDIR
export PROGNAME
# Dump environment info for logging purposes
echo "Exec: $CMD" -- ${1+"$@"}
echo "Root: $ROOTDIR"
# Start the VM
exec $CMD -- ${1+"$@"}
;;
*)
echo "Usage: $SCRIPT {start|foreground|stop|restart|reboot|ping|console|console_clean|attach}"
exit 1
;;
esac
exit 0
|
