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September 12, 2017 23:18
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generic initd file
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| #!/bin/bash | |
| ### BEGIN INIT INFO | |
| # Provides: generic | |
| # Required-Start: a | |
| # Required-Stop: a | |
| # Default-Start: 2 3 4 5 | |
| # Default-Stop: 0 1 6 | |
| # Short-Description: generic service | |
| ### END INIT INFO | |
| # if you are lazy | |
| #NAME=${0##*/} | |
| NAME="generic" | |
| fix_the_name(){ | |
| reg="^S[0-9][0-9]*" | |
| if [[ $NAME =~ $reg ]];then | |
| echo "fixing the name" | |
| NAME=$(echo ${NAME//[0-9]/} |tr "S" " "|tr -d ' ') | |
| echo $NAME | |
| fi | |
| } | |
| fix_the_name | |
| ##FILES | |
| PIDFILE=/var/run/$NAME.pid | |
| STDOUT_LOG="/var/log/$NAME/$NAME.log" | |
| STDERR_LOG="/var/log/$NAME/$NAME.err.log" | |
| mkdir -p $(dirname $STDOUT_LOG) | |
| mkdir -p $(dirname $STDERR_LOG) | |
| DAEMON="/usr/bin/kafka-server-start /etc/kafka/server.properties " | |
| running() | |
| { | |
| local PID=$(cat "$1" 2>/dev/null) || return 1 | |
| kill -0 "$PID" 2>/dev/null | |
| } | |
| case "$1" in | |
| start) | |
| printf "%-40s" "Starting $NAME..." | |
| if [ -f "$PIDFILE" ] | |
| then | |
| PID=`cat $PIDFILE` | |
| if running $PIDFILE ;then | |
| echo "Already Running! in $PID" | |
| exit 1 | |
| else | |
| rm -f "$PIDFILE" | |
| fi | |
| fi | |
| PID=`$DAEMON >> $STDOUT_LOG 2>> $STDERR_LOG & echo $!` | |
| #"Saving PID" $PID " to " $PIDFILE | |
| if [ -z $PID ]; then | |
| printf "%s\n" "Fail" | |
| else | |
| echo $PID > $PIDFILE | |
| printf "%s\n" "Ok $PID" | |
| fi | |
| ;; | |
| status) | |
| printf "%-40s" "Checking $NAME..." | |
| if [ -f $PIDFILE ]; then | |
| PID=`cat $PIDFILE` | |
| if [ -z "`ps axf | grep ${PID} | grep -v grep`" ]; then | |
| printf "%s\n" "Process dead but pidfile exists" | |
| #echo 0 | |
| else | |
| if [ "$2" == "v" ] || [ "$2" == "ps" ];then | |
| echo | |
| echo "Running on $PID" | |
| ps aux|grep -v grep|grep $PID | |
| else | |
| echo | |
| echo "Running on $PID" | |
| fi | |
| #echo 1 | |
| fi | |
| else | |
| printf "%s\n" "Service not running" | |
| #echo 0 | |
| fi | |
| ;; | |
| stop) | |
| printf "%-40s" "Stopping $NAME " | |
| if [ -f $PIDFILE ]; then | |
| PID=`cat $PIDFILE` | |
| kill $PID 2>/dev/null | |
| if running $PIDFILE ;then | |
| echo "Force Kill" | |
| kill -9 $PID | |
| fi | |
| printf "%s\n" "Ok [$PID]" | |
| rm -f $PIDFILE | |
| else | |
| printf "%s\n" "pidfile not found" | |
| printf "%s\n" "Not running" | |
| fi | |
| ;; | |
| restart) | |
| $0 stop | |
| $0 start | |
| ;; | |
| *) | |
| echo "Usage: $0 {start|stop|restart|status [ps]}" | |
| exit 1 | |
| esac |
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