Hi Everybody If somebody wants to make use of, I want to share /etc/init.d script for background processing of go-mysql-elasticsearch #30
Description
! /bin/bash
go-mysql-elasticsearch server init script - Levent ALKAN.
BEGIN INIT INFO
Provides: syncelasticsearch
Required-Stop:
Default-Start: 2 3 4 5
Default-Stop: 0 1 6
Short-Description: go-mysql-elasticsearch
END INIT INFO
USER="root" # User we wil run Go as
GOPATH="/root/work" # GOPATH
GOROOT="/usr/local/go" # used by revel
WORKDIR="/root/work/src/github.com/siddontang"
NAME="go-mysql-elasticsearch" # app name for gme etc ...
GO_CMD="$WORKDIR/$NAME/bin/go-mysql-elasticsearch -config=$WORKDIR/$NAME/etc/river.toml"
Start script
recursiveKill() { # Recursively kill a process and all subprocesses
CPIDS=$(pgrep -P $1);
for PID in $CPIDS
do
recursiveKill $PID
done
sleep 3 && kill -9 $1 2>/dev/null & # hard kill after 3 seconds
kill $1 2>/dev/null # try soft kill first
}
case "$1" in
start)
echo "Starting $NAME ..."
if [ -f "$WORKDIR/$NAME.pid" ]
then
echo "Already running according to $WORKDIR/$NAME.pid"
exit 1
fi
cd "$WORKDIR"
export GOROOT="$GOROOT"
export GOPATH="$GOPATH"
export PATH="${PATH}:${GOROOT}/bin:${GOPATH}/bin"
/bin/su -m -l $USER -c "$GO_CMD" > "$WORKDIR/$NAME.log" 2>&1 &
PID=$!
echo $PID > "$WORKDIR/$NAME.pid"
echo "Started with pid $PID - Logging to $WORKDIR/$NAME.log" && exit 0
;;
stop)
echo "Stopping $NAME ..."
if [ ! -f "$WORKDIR/$NAME.pid" ]
then
echo "Already stopped!"
exit 1
fi
PID=cat "$WORKDIR/$NAME.pid"
recursiveKill $PID
rm -f "$WORKDIR/$NAME.pid"
echo "stopped $NAME" && exit 0
;;
restart)
$0 stop
sleep 1
$0 start
;;
status)
if [ -f "$WORKDIR/$NAME.pid" ]
then
PID=cat "$WORKDIR/$NAME.pid"
if [ "$(/bin/ps --no-headers -p $PID)" ]
then
echo "$NAME is running (pid : $PID)" && exit 0
else
echo "Pid $PID found in $WORKDIR/$NAME.pid, but not running." && exit 1
fi
else
echo "$NAME is NOT running" && exit 1
fi
;;
*)
echo "Usage: /etc/init.d/$NAME {start|stop|restart|status}" && exit 1
;;
esac
exit 0