Merge pull request #4 from kikniknik/master
Support for multiple sensors and general Improvements
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commit
d166498290
184
check_temp.sh
184
check_temp.sh
@ -71,20 +71,28 @@ print_help()
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/bin/cat <<EOT
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Options:
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-h
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-h, --help
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Print detailed help screen
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-V
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-V, --version
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Print version information
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-v
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-v, --verbose
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Verbose output
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--sensor WORD
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-s, --sensor <WORD[,DISPLAY_NAME]>
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Set what to monitor, for example CPU or MB (or M/B). Check sensors for the
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correct word. Default is CPU.
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-w INTEGER
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correct word. Default is CPU. A different display name can be used in output,
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by adding it next to sensor with a comma.
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It can be used more than once, with different warning/critical thresholds optionally.
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-w, --warning <INTEGER>
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Exit with WARNING status if above INTEGER degrees
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-c INTEGER
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-c, --critical <INTEGER>
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Exit with CRITICAL status if above INTEGER degrees
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Warning and critical thresholds must be provided before the corresponding --sensor option.
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Examples:
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./check_temp.sh -w 65 -c 75 --sensor CPU
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./check_temp.sh -w 65 -c 75 --sensor CPU --sensor temp1
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./check_temp.sh -w 65 -c 75 --sensor CPU -w 75 -c 85 --sensor temp1,GPU
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EOT
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}
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@ -96,7 +104,10 @@ thresh_warn=
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# Critical threshold
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thresh_crit=
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# Hardware to monitor
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sensor=CPU
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default_sensor="CPU"
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sensor_declared=false
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STATE=$STATE_OK
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# See if we have sensors program installed and can execute it
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if [[ ! -x "$SENSORPROG" ]]; then
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@ -104,6 +115,75 @@ if [[ ! -x "$SENSORPROG" ]]; then
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exit $STATE_UNKNOWN
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fi
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function set_state {
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[[ "$STATE" -lt "$1" ]] && STATE=$1
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}
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function process_sensor {
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sensor=$(echo $1 | cut -d, -f1)
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sensor_display=$(echo $1 | cut -d, -f2)
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# Check if a sensor were specified
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if [[ -z "$sensor" ]]; then
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# No sensor to monitor were specified
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echo "No sensor specified"
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print_help
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exit $STATE_UNKNOWN
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fi
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# Check if the thresholds have been set correctly
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if [[ -z "$thresh_warn" || -z "$thresh_crit" ]]; then
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# One or both thresholds were not specified
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echo "Threshold not set"
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print_help
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exit $STATE_UNKNOWN
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elif [[ "$thresh_crit" -lt "$thresh_warn" ]]; then
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# The warning threshold must be lower than the critical threshold
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echo "Warning temperature should be lower than critical"
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print_help
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exit $STATE_UNKNOWN
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fi
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# Get the temperature
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# Grep the first float with a plus sign and keep only the integer
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WHOLE_TEMP=$(${SENSORPROG} | grep "$sensor" | head -n1 | grep -o "+[0-9]\+\(\.[0-9]\+\)\?[^ \t,()]*" | head -n1)
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TEMPF=$(echo "$WHOLE_TEMP" | grep -o "[0-9]\+\(\.[0-9]\+\)\?")
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TEMP=$(echo "$TEMPF" | cut -d. -f1)
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# Verbose output
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if [[ "$verbosity" -ge 1 ]]; then
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/bin/cat <<__EOT
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Debugging information:
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Warning threshold: $thresh_warn
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Critical threshold: $thresh_crit
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Verbosity level: $verbosity
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Current $sensor temperature: $TEMP
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__EOT
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echo "Temperature lines directly from sensors:"
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${SENSORPROG}
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fi
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# Get performance data for Nagios "Performance Data" field
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PERFDATA="$PERFDATA $sensor_display=$TEMP;$thresh_warn;$thresh_crit"
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# And finally check the temperature against our thresholds
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if [[ "$TEMP" != +([0-9]) ]]; then
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# Temperature not found for that sensor
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OUTPUT_TEXT="$OUTPUT_TEXT, No data found for sensor ($sensor)"
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set_state $STATE_UNKNOWN
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elif [[ "$TEMP" -gt "$thresh_crit" ]]; then
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# Temperature is above critical threshold
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OUTPUT_TEXT="$OUTPUT_TEXT, $sensor_display has temperature: $WHOLE_TEMP"
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set_state $STATE_CRITICAL
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elif [[ "$TEMP" -gt "$thresh_warn" ]]; then
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# Temperature is above warning threshold
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OUTPUT_TEXT="$OUTPUT_TEXT, $sensor_display has temperature: $WHOLE_TEMP"
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set_state $STATE_WARNING
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else
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# Temperature is ok
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OUTPUT_TEXT="$OUTPUT_TEXT, $sensor_display has temperature: $WHOLE_TEMP"
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set_state $STATE_OK
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fi
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}
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# Parse command line options
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while [[ -n "$1" ]]; do
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case "$1" in
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@ -161,18 +241,14 @@ while [[ -n "$1" ]]; do
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shift 2
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;;
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-\?)
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print_help
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exit $STATE_OK
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;;
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--sensor)
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-s | --sensor)
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if [[ -z "$2" ]]; then
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echo "Option $1 requires an argument"
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print_help
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exit $STATE_UNKNOWN
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fi
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sensor=$2
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sensor_declared=true
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process_sensor $2
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shift 2
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;;
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@ -184,73 +260,17 @@ while [[ -n "$1" ]]; do
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esac
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done
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# Check if a sensor were specified
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if [[ -z "$sensor" ]]; then
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# No sensor to monitor were specified
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echo "No sensor specified"
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print_help
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exit $STATE_UNKNOWN
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if [ "$sensor_declared" = false ]; then
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process_sensor "$default_sensor"
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fi
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case "$STATE" in
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"$STATE_OK") STATE_TEXT="OK" ;;
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"$STATE_WARNING") STATE_TEXT="WARNING" ;;
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"$STATE_CRITICAL") STATE_TEXT="CRITICAL" ;;
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"$STATE_UNKNOWN") STATE_TEXT="UNKNOWN" ;;
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esac
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#Get the temperature
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TEMP=`${SENSORPROG} | grep "$sensor" | cut -d+ -f2 | cut -c1-2 | head -n1`
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#Old way - Get the temperature
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#TEMP=`${SENSORPROG} | grep "$sensor" | awk '{print $3}' | cut -c2-3 | head -n1`
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# Check if the thresholds have been set correctly
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if [[ -z "$thresh_warn" || -z "$thresh_crit" ]]; then
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# One or both thresholds were not specified
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echo "Threshold not set"
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print_help
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exit $STATE_UNKNOWN
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elif [[ "$thresh_crit" -lt "$thresh_warn" ]]; then
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# The warning threshold must be lower than the critical threshold
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echo "Warning temperature should be lower than critical"
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print_help
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exit $STATE_UNKNOWN
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fi
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# Verbose output
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if [[ "$verbosity" -ge 1 ]]; then
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/bin/cat <<__EOT
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Debugging information:
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Warning threshold: $thresh_warn
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Critical threshold: $thresh_crit
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Verbosity level: $verbosity
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Current $sensor temperature: $TEMP
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__EOT
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echo "Temperature lines directly from sensors:"
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${SENSORPROG}
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fi
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# Get performance data for Nagios "Performance Data" field
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PERFDATA="temperature=$TEMP"
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# And finally check the temperature against our thresholds
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if [[ "$TEMP" != +([0-9]) ]]; then
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# Temperature not found for that sensor
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echo "No data found for that sensor ($sensor) | $PERFDATA"
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exit $STATE_UNKNOWN
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elif [[ "$TEMP" -gt "$thresh_crit" ]]; then
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# Temperature is above critical threshold
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echo "$sensor CRITICAL - Temperature is $TEMP | $PERFDATA"
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exit $STATE_CRITICAL
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elif [[ "$TEMP" -gt "$thresh_warn" ]]; then
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# Temperature is above warning threshold
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echo "$sensor WARNING - Temperature is $TEMP | $PERFDATA"
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exit $STATE_WARNING
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else
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# Temperature is ok
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echo "$sensor OK - Temperature is $TEMP | $PERFDATA"
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exit $STATE_OK
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fi
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exit $STATE_UNKNOWN
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OUTPUT_TEXT=$(echo $OUTPUT_TEXT | sed -e 's/, //')
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echo "TEMPERATURE $STATE_TEXT - $OUTPUT_TEXT |$PERFDATA"
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exit $STATE
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