112 lines
3.9 KiB
Bash
112 lines
3.9 KiB
Bash
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#!/bin/bash
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#
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# CheckMK Local Check für IBM Spectrum Scale mmhealth node show
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# Datei: /usr/lib/check_mk_agent/local/mmhealth_node
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# Ausführbar machen: chmod +x /usr/lib/check_mk_agent/local/mmhealth_node
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#
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# Erstellt separate Services für jeden GPFS Health Component
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#
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# Pfad zum mmhealth Kommando
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MMHEALTH_CMD="/usr/lpp/mmfs/bin/mmhealth"
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HOSTNAME=$(hostname)
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# Prüfen ob mmhealth verfügbar ist
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if [ ! -x "$MMHEALTH_CMD" ]; then
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echo "2 \"GPFS HEALTH GLOBAL $HOSTNAME\" - CRITICAL: mmhealth command not found at $MMHEALTH_CMD"
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exit 0
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fi
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# mmhealth node show ausführen und Ausgabe parsen
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OUTPUT=$($MMHEALTH_CMD node show 2>&1)
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EXIT_CODE=$?
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if [ $EXIT_CODE -ne 0 ]; then
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echo "2 \"GPFS HEALTH GLOBAL $HOSTNAME\" - CRITICAL: mmhealth command failed with exit code $EXIT_CODE"
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exit 0
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fi
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# Node Status extrahieren
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NODE_STATUS=$(echo "$OUTPUT" | grep "Node status:" | awk '{print $3}')
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STATUS_CHANGE=$(echo "$OUTPUT" | grep "Status Change:" | cut -d':' -f2- | sed 's/^[[:space:]]*//')
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if [ -z "$NODE_STATUS" ]; then
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echo "2 \"GPFS HEALTH GLOBAL $HOSTNAME\" - CRITICAL: Could not parse node status from mmhealth output"
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exit 0
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fi
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# Funktion zur Status-Konvertierung in CheckMK-Codes
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get_status_code() {
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case "$1" in
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"HEALTHY") echo "0" ;; # OK
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"TIPS") echo "1" ;; # WARNING - TIPS bedeutet Verbesserungsvorschläge
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"DEGRADED"|"WARNING") echo "1" ;; # WARNING
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"UNHEALTHY"|"FAILED"|"ERROR") echo "2" ;; # CRITICAL
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*) echo "3" ;; # UNKNOWN
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esac
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}
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# Funktion zur Status-Beschreibung
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get_status_text() {
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case "$1" in
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"HEALTHY") echo "OK" ;;
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"TIPS") echo "WARNING" ;;
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"DEGRADED"|"WARNING") echo "WARNING" ;;
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"UNHEALTHY"|"FAILED"|"ERROR") echo "CRITICAL" ;;
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*) echo "UNKNOWN" ;;
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esac
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}
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# Funktion zur Performance-Daten (numerisch für Graphing)
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get_perf_value() {
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case "$1" in
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"HEALTHY") echo "1" ;;
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"TIPS") echo "0.5" ;;
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"DEGRADED"|"WARNING") echo "0.5" ;;
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"UNHEALTHY"|"FAILED"|"ERROR") echo "-1" ;;
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*) echo "-2" ;;
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esac
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}
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# Globaler Node Status
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STATUS_CODE=$(get_status_code "$NODE_STATUS")
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STATUS_TEXT=$(get_status_text "$NODE_STATUS")
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PERF_VALUE=$(get_perf_value "$NODE_STATUS")
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echo "$STATUS_CODE \"GPFS HEALTH NODE $HOSTNAME\" - $STATUS_TEXT: Node status is $NODE_STATUS ($STATUS_CHANGE) | node_status=$PERF_VALUE"
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# Component-Details extrahieren (nach der Trennlinie)
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COMPONENT_DATA=$(echo "$OUTPUT" | sed -n '/^Component/,/^$/p' | tail -n +3)
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# Jeden Component parsen
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while IFS= read -r line; do
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# Leere Zeilen überspringen
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[ -z "$line" ] && continue
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# Zeilen mit nur Trennzeichen überspringen
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echo "$line" | grep -q "^-*$" && continue
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# Component-Daten extrahieren (whitespace-separated, aber mit Spaces in Reasons)
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COMPONENT=$(echo "$line" | awk '{print $1}')
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COMP_STATUS=$(echo "$line" | awk '{print $2}')
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COMP_CHANGE=$(echo "$line" | awk '{print $3" "$4" "$5}' | sed 's/[[:space:]]*$//')
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REASONS=$(echo "$line" | cut -d' ' -f6- | sed 's/^[[:space:]]*//' | sed 's/[[:space:]]*$//')
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# Leere Component-Namen überspringen
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[ -z "$COMPONENT" ] || [ "$COMPONENT" = "-" ] && continue
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# Status-Codes für Component
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STATUS_CODE=$(get_status_code "$COMP_STATUS")
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STATUS_TEXT=$(get_status_text "$COMP_STATUS")
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PERF_VALUE=$(get_perf_value "$COMP_STATUS")
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# Reasons formatieren (falls vorhanden)
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if [ -n "$REASONS" ] && [ "$REASONS" != "-" ]; then
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REASON_TEXT=" - $REASONS"
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else
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REASON_TEXT=""
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fi
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# Service für Component erstellen
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echo "$STATUS_CODE \"GPFS HEALTH $COMPONENT $HOSTNAME\" - $STATUS_TEXT: $COMPONENT is $COMP_STATUS ($COMP_CHANGE)$REASON_TEXT | ${COMPONENT,,}_status=$PERF_VALUE"
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done <<< "$COMPONENT_DATA"
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