Create service.sh

agent/service.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+PIDFILE="/var/run/agent.pid"
+LOGFILE="/var/log/agent.log"
+SCRIPT="/usr/local/bin/agent.sh" 
+
+status() {
+  if [ -f $PIDFILE ]; then
+    echo 'Service running' >&2
+    return 1
+  fi
+}
+
+start() {
+  if [ -f $PIDFILE ] && kill -0 $(cat $PIDFILE); then
+    echo 'Service already running' >&2
+    return 1
+  fi
+  printf 'Starting agent service...' >&2
+  "$SCRIPT" &> "$LOGFILE" & echo $! > "$PIDFILE"
+}
+
+stop() {
+  if [ ! -f "$PIDFILE" ] || ! kill -0 $(cat "$PIDFILE"); then
+    echo 'Service not running' >&2
+    return 1
+  fi
+  echo 'Stopping agent service' >&2
+  kill -15 $(cat "$PIDFILE") && rm -f "$PIDFILE"
+  echo 'Service stopped' >&2
+}
+
+case "$1" in
+  start)
+    start
+    ;;
+  stop)
+    stop
+    ;;
+  status)
+    status
+    ;;
+  restart)
+    stop
+    start
+    ;;
+  *)
+    echo "Usage: $0 {start|stop|restart}"
+esac