monitnotifyer.sh: added usage, parameters, start/stop function

monitnotifyer.sh

@@ -2,6 +2,8 @@
 scrpa="$(/usr/bin/dirname ${0})"
 monitnotifymbox="/var/mail/monitnotify"
 monitgrep='^Subject..Monit-Message|^Monit-(Date|Action|Host|Description)'
+actionscript="start"
+enabledebug=false
 
 trignotification() {
     mailmsg="$(cat ${monitnotifymbox} | grep -E "${monitgrep}")"
@@ -28,8 +30,47 @@ trignotification() {
     fi
 }
 
-/usr/bin/inotifywait -q -m -e close_write ${monitnotifymbox} |
-while read -r filename events
-do
-    if [ "${filename}" == "${monitnotifymbox}" ] ; then trignotification ; fi
+usage() {
+	echo "==================== [  HELP for $(/usr/bin/basename ${0})  ] ===================="
+	echo "    -h               > Will show you shit help"
+	echo "    -d               > Will enable the debug mode"
+	echo "    -a               > (default start) Can be set manually only to start or stop"
+	echo "                       for starting or stopping the script"
+	exit 0
+}
+
+optstring="a:d?h"
+
+actr10kbranch="$(git -C ${r10kpwd} branch 2>&1 | grep -E '^\*' | /usr/bin/awk '{print $2}')"
+
+while getopts ${optstring} c; do
+    case ${c} in
+        a)
+            actionscript="${OPTARG}"
+            ;;
+        d)
+            enabledebug=true
+            ;;
+        *)  usage ;;
+        [h\?]) usage ;;
+    esac
 done
+
+actionscript="$(echo ${actionscript} | /usr/bin/tr '[:upper:]' '[:lower:]')"
+
+if [ "${actionscript}" == "start" ]; then
+	if [ -z "$(/usr/bin/pgrep -l inotify -u $(/usr/bin/id monitnotify -u))" ]; then
+		/usr/bin/inotifywait -q -m -e close_write ${monitnotifymbox} |
+		while read -r filename events
+		do
+			if [ "${filename}" == "${monitnotifymbox}" ] ; then trignotification ; fi
+		done
+	else
+		echo "monitnotifyer is already running with pid $(/usr/bin/pgrep -l inotify -u $(/usr/bin/id monitnotify -u) | /usr/bin/awk 'print {$1}')"
+	fi
+elif [ "${actionscript}" == "stop" ]; then
+    kill -9 $(echo $(/usr/bin/pgrep -l inotify -u $(/usr/bin/id monitnotify -u)) | /usr/bin/cut -f1 -d\ ) > /dev/null 2>&1
+	exit 0
+else
+	usage
+fi