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| 1 | +#!/bin/sh |
| 2 | +### BEGIN INIT INFO |
| 3 | +# Provides: fluentdo-agent |
| 4 | +# Required-Start: $local_fs $network $named $time $syslog |
| 5 | +# Required-Stop: $local_fs $network $named $time $syslog |
| 6 | +# Default-Start: 2 3 4 5 |
| 7 | +# Default-Stop: 0 1 6 |
| 8 | +# Description: Init script for FluentDo Agent. |
| 9 | +### END INIT INFO |
| 10 | + |
| 11 | +# Adapted from https://github.com/wyhasany/sysvinit-service-generator |
| 12 | +# MIT licence: https://github.com/wyhasany/sysvinit-service-generator/blob/master/LICENSE |
| 13 | + |
| 14 | +NAME=fluentdo-agent |
| 15 | +SCRIPT="/opt/fluentdo-agent/bin/fluentdo-agent -c /etc/fluentdo-agent/fluent-bit.conf" |
| 16 | +RUNAS=root |
| 17 | + |
| 18 | +PIDFILE=/var/run/$NAME.pid |
| 19 | +LOGFILE=/var/log/$NAME.log |
| 20 | + |
| 21 | +start() { |
| 22 | + if [ -f $PIDFILE ] && [ -s $PIDFILE ] && kill -0 "$(cat "$PIDFILE")"; then |
| 23 | + echo 'Service already running' >&2 |
| 24 | + return 1 |
| 25 | + fi |
| 26 | + echo 'Starting service...' >&2 |
| 27 | + CMD="$SCRIPT &> \"$LOGFILE\" & echo \$!" |
| 28 | + su -c "$CMD" $RUNAS > "$PIDFILE" |
| 29 | + # Try with this command line instead of above if not workable |
| 30 | + # su -s /bin/sh $RUNAS -c "$CMD" > "$PIDFILE" |
| 31 | + |
| 32 | + sleep 2 |
| 33 | + PID=$(cat $PIDFILE) |
| 34 | + if pgrep -u $RUNAS -f $NAME > /dev/null |
| 35 | + then |
| 36 | + echo "$NAME is now running, the PID is $PID" |
| 37 | + else |
| 38 | + echo '' |
| 39 | + echo "Error! Could not start $NAME!" |
| 40 | + fi |
| 41 | +} |
| 42 | + |
| 43 | +stop() { |
| 44 | + if [ ! -f "$PIDFILE" ] ; then |
| 45 | + echo 'Service not running' >&2 |
| 46 | + return 1 |
| 47 | + else |
| 48 | + PID="$(cat "$PIDFILE")" |
| 49 | + # Here, we're checking if the process command line matches our service's command |
| 50 | + if ! ps -p "$PID" -o args= | grep -q "^$SCRIPT$"; then |
| 51 | + echo 'Service not running (or PID mismatch)' >&2 |
| 52 | + echo 'Removing PID file...' >&2 |
| 53 | + rm -f "$PIDFILE" |
| 54 | + return 1 |
| 55 | + else |
| 56 | + echo "Stopping service, the PID is $PID..." >&2 |
| 57 | + kill -15 "$(cat "$PIDFILE")" && rm -f "$PIDFILE" |
| 58 | + echo 'Service stopped' >&2 |
| 59 | + fi |
| 60 | + fi |
| 61 | +} |
| 62 | + |
| 63 | +status() { |
| 64 | + printf "" "Checking $NAME..." |
| 65 | + if [ ! -f "$PIDFILE" ]; then |
| 66 | + printf "%s\n" "Service not running" |
| 67 | + else |
| 68 | + PID=$(cat $PIDFILE) |
| 69 | + if ps -p "$PID" -o args= | grep -q "^$SCRIPT$"; then |
| 70 | + echo "Running, the PID is $PID" |
| 71 | + else |
| 72 | + printf "%s\n" "The process appears to be dead but pidfile still exists" |
| 73 | + fi |
| 74 | + fi |
| 75 | +} |
| 76 | + |
| 77 | +case "$1" in |
| 78 | + start) |
| 79 | + start |
| 80 | + ;; |
| 81 | + stop) |
| 82 | + stop |
| 83 | + ;; |
| 84 | + status) |
| 85 | + status |
| 86 | + ;; |
| 87 | + restart) |
| 88 | + stop |
| 89 | + start |
| 90 | + ;; |
| 91 | + *) |
| 92 | + echo "Usage: $0 {start|stop|status|restart}" |
| 93 | +esac |
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