From e615e21f3704e3abdc1d77a921605c81b8ec477a Mon Sep 17 00:00:00 2001
From: Patrick Schindelmann <PatrickSchindelmann@bundeswehr.org>
Date: Mon, 21 Oct 2019 16:15:47 +0200
Subject: [PATCH] check_systemd erstellt

---
 checks/check_systemd.sh | 190 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 190 insertions(+)
 create mode 100755 checks/check_systemd.sh

diff --git a/checks/check_systemd.sh b/checks/check_systemd.sh
new file mode 100755
index 0000000..eabe54d
--- /dev/null
+++ b/checks/check_systemd.sh
@@ -0,0 +1,190 @@
+#!/bin/bash
+
+SYSTEMCTL="$(type -P systemctl)"
+PARAMETER="$*"
+STATUS="is-active"
+
+
+#
+#status
+#	is-active
+#	is-enabled
+#
+#pid
+#
+#Laufzeit
+# systemctl show bluetooth.service --property=ActiveEnterTimestampMonotonicq
+# Umrechung: date -d @"$(echo "$(date -u +%s) - <TimeStamp>" | bc)"
+
+# systemctl show bluetooth.service --property=ActiveEnterTimestamp,MainPID,ActiveState,UnitFileState
+
+function hilfetext(){
+	cat <<- EOF
+
+	$(basename "$0") [OPTION...] 
+	  Options:
+	  -s | --status
+	  -t | --timestamp
+	  -u | --unit
+	  --perfdata
+	  -p | --pid
+	  -h | --help
+
+	EOF
+}
+
+function ParameterEvaluation(){
+
+	options=$(getopt -o hps:tu: --long help --long pid --long perfdata --long status: --long timestamp --long unit: -- "$@")
+
+	#Option nicht verfügbar
+	[ "$?" -eq "0" ] || {
+		echo "Incorrect option provided"
+		exit 1
+	}
+
+	eval set -- "$options"
+	while true; do
+		case "$1" in
+			"-p"|"--pid")
+				PID="1"
+			;;
+			"--perfdata")
+				PERFDATA="1"
+			;;
+			"-s"|"--status (default: is-active")
+				shift; # The arg is next in position args
+				STATUS="$1"
+			;;
+			"-u"|"--unit")
+				shift; # The arg is next in position args
+				UNIT="$1"
+			;;
+			"-t"|"--timstamp")
+				TIMESTAMP="1"
+			;;
+			"-h"|"--help")
+				hilfetext
+				exit 0
+			;;
+			
+			"--")
+				shift
+				break
+			;;
+		esac
+		shift
+	done
+}
+
+#Prüfen, ob hddtemp installiert ist
+if [ ! -x "$SYSTEMCTL" ]
+then
+	echo "systemctl nicht gefunden"
+	exit 1
+fi
+
+#Wenn keine Option oder Argument angegeben wurde, wird die Hilfe ausgegeben
+if [ -z "$PARAMETER" ]
+then
+	hilfetext
+	exit 0
+fi
+
+ParameterEvaluation "$0" "$@"
+
+#declare $(systemctl show "$UNIT" --property=ActiveEnterTimestampMonotonic,MainPID,ActiveState,UnitFileState)
+RESULT=$(systemctl show "$UNIT" --property=ActiveEnterTimestamp,MainPID,ActiveState,UnitFileState)
+ActiveEnterTimestamp=$(echo "$RESULT" | grep ActiveEnterTimestamp | cut -d "=" -f 2)
+MainPID=$(echo "$RESULT" | grep MainPID | cut -d "=" -f 2)
+ActiveState=$(echo "$RESULT" | grep ActiveState | cut -d "=" -f 2)
+UnitFileState=$(echo "$RESULT" | grep UnitFileState | cut -d "=" -f 2)
+
+#Debug
+#echo -e "ActiveEnterTimestamp:\t$ActiveEnterTimestamp"
+#echo -e "MainPID:\t$MainPID"
+#echo -e "ActiveState:\t$ActiveState"
+#echo -e "UnitFileState:\t$UnitFileState\n"
+
+#Wenn die Unit oder der Status nicht gesetz
+if [ -z "$UNIT" ]
+then
+	echo -e "Unit nicht gesetzt"
+	exit 1
+fi
+
+#Debug
+#echo -e "STATUS:\t\"$STATUS\"\n"
+
+
+if [ "$STATUS" != "is-enabled" ] && [ "$STATUS" != "is-active" ]
+then
+	echo -e "Status must be \"is-enabled\" or \"is-active\" "
+	exit 1
+fi
+
+##############################################
+# Zusatzstatus
+
+#PID
+if [ -n "$PID" ] && [ -n "$TIMESTAMP" ]
+then
+	pid="PID: $MainPID,"
+elif [ -n "$PID" ]
+then
+	pid="PID: $MainPID"
+fi
+
+#timestamp
+if [ -n "$TIMESTAMP" ]
+then
+	timestamp=" running since $ActiveEnterTimestamp"
+	#secs="echo $ActiveEnterTimestampMonotonic \ 1000000000 | bc"
+	#timestamp=$( printf '%dd %02dh:%02dm:%02ds\n' $(($secs/86400)) $(($secs%86400/3600)) $(($secs%3600/60)) $(($secs%60)) )
+	##Umrechnung Timestamp in Zeit
+	#timestampnow="$(date -u +%s)"
+	#timediff="$(echo "$timestampnow - $ActiveEnterTimestampMonotonic" | bc)"
+	#newtimestamp="$(date -d @"$timediff")"
+	#timestamp=" Timestamp: $newtimestamp"
+fi
+
+#perfdata
+if [ -n "$PERFDATA" ]
+then
+	perfdata=" | alle perfdaten"
+fi
+
+additional="- $pid$timestamp$perfdata"
+
+##############################################
+# Auswertung des Status und aufbereitung für nrpe
+if [ "$STATUS" = "is-active" ] && [ "$ActiveState" = "active" ]
+then
+	echo "OK - $UNIT ist running $additional"
+	exit 0
+elif [ "$STATUS" = "is-active" ] && [ "$ActiveState" = "inactive" ]
+then
+	echo "CRITICAL - $UNIT is not running $additional"
+	exit 2
+elif [ "$STATUS" = "is-active" ] 
+then
+	echo "UNKNOWN - is-active: Unbekannter Status: \"$ActiveState\""
+	exit 3	
+elif [ "$STATUS" = "is-enabled" ] && [ "$UnitFileState" = "enabled" ]
+then
+	echo "OK - $UNIT is enabled $additional"
+	exit 0
+elif [ "$STATUS" = "is-enabled" ] && [ "$UnitFileState" = "disabled" ]
+then
+	echo "CRITICAL - $UNIT is disabled $additional"
+	exit 2
+elif [ "$STATUS" = "is-enabled" ]
+then
+	echo "UNKNOWN - is-enabled: Unbekannter status: \"$UnitFileState\""
+	exit 3	
+else
+	echo "UNKNOWN - Unbekannter Status"
+	exit 3	
+
+fi
+