first version

check_rasp_temp

@@ -0,0 +1,94 @@
+#!/bin/bash
+# Adapted from check_nagios_latency
+
+VCGENCMD="/opt/vc/bin/vcgencmd"
+
+# Prints usage information
+usage() {
+
+	if [ -n "$1" ] ; then
+		echo "Error: $1" 1>&2
+	fi
+
+	echo ""
+	echo "Usage: check_rasp_temp [-h?] -w warning -c critical"
+	echo ""
+	echo "   -w         warning threshold"
+	echo "   -c         critical threshold"
+	echo "   -h, -?     this help message"
+	echo ""
+
+	exit 3
+}
+
+
+# Checks if a given program is available and executable
+check_prog() {
+
+	if [ -z "$PROG" ] ; then
+		PROG=`which $1`
+	fi
+
+	if [ -z "$PROG" ] ; then
+		echo "TEMPERATURE UNKNOWN - cannot find $1"
+		exit 3
+	fi
+
+	PROG=""
+}
+
+
+# Main
+# check progs
+check_prog awk
+check_prog bc
+
+
+# process command line options
+while getopts "h?c:w:" opt; do
+	case $opt in
+		c )      CRITICAL=$OPTARG;  ;;
+		h | \? ) usage ; exit 3;    ;;
+		w )      WARNING=$OPTARG;   ;;
+	esac
+done
+shift $(($OPTIND - 1))
+
+
+# Check options
+if [ -z "${WARNING}" ] ; then
+	usage "No warning threshold specified"
+fi
+if [ -z "${CRITICAL}" ] ; then
+	usage "No critical threshold specified"
+fi
+
+# Check number formats
+if ! echo $WARNING | grep -qE '^[0-9]+(\.[0-9]+)?$' ; then
+	echo "TEMPERATURE UNKOWN - Wrong number: $WARNING"
+	exit 3
+fi
+if ! echo $CRITICAL | grep -qE '^[0-9]+(\.[0-9]+)?$' ; then
+	echo "TEMPERATURE UNKOWN - Wrong number: $CRITICAL"
+	exit 3
+fi
+
+
+# Perform the checks
+TEMP=`$VCGENCMD measure_temp | awk -F"=" '{print $2}' | awk -F"'" '{print $1}'`
+PERF="temp=${TEMP};${WARNING};${CRITICAL};;"
+
+COMPARISON=`echo "if($TEMP>=$CRITICAL) 1 else 0;" | bc`
+if [ $COMPARISON -eq 1 ] ; then
+	echo "TEMPERATURE CRITICAL: $TEMP | $PERF"
+	exit 2
+fi
+
+COMPARISON=`echo "if($TEMP>=$WARNING) 1 else 0;" | bc`
+if [ $COMPARISON -eq 1 ] ; then
+	echo "TEMPERATURE WARNING: $TEMP | $PERF"
+	exit 1
+fi
+
+echo "TEMPERATURE OK: $TEMP | $PERF"
+exit 0;