Side by Side Diff: check_ssl_cert.sh
Issue 29792596:
#3298 - SSL monitoring script for icinga (Closed)
Patch Set: #3298 - SSL monitoring script for icinga
Created June 5, 2018, 4:10 p.m.
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| (Empty) | |
| 1 #!/bin/sh | |
| 2 | |
| 3 # Icinga plugin that checks how many days are left until SSL certificate expires | |
| 4 # Usage: <PluginDir>/check_ssl_cert -H <HOSTNAME> -P <PORT> -c <CRITICAL> -w <WA RNING> | |
| 5 | |
| 6 PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin" | |
| 7 | |
| 8 CURRENT_DATE=`date +%y%m%d` | |
| 9 HOST="$2" | |
| 10 PORT="$4" | |
| 11 CRITICAL="$6" | |
| 12 WARNING="$8" | |
| 13 STATE_OK=0 | |
| 14 STATE_WARNING=1 | |
| 15 STATE_CRITICAL=2 | |
| 16 STATE_UNKNOWN=3 | |
| 17 | |
| 18 OUTPUT=`openssl s_client -connect "$HOST":"$PORT" </dev/null 2>/dev/null | opens sl x509 -noout -enddate 2>/dev/null` | |
|
mathias
2018/06/05 16:24:19
Please place this in a function() and invoke it to
| |
| 19 | |
| 20 if [ ! "$OUTPUT" ] | |
| 21 then | |
| 22 echo "UNKNOWN - Could not connect to $HOST via port $PORT" | |
| 23 exit "$STATE_UNKNOWN" | |
| 24 fi | |
| 25 | |
| 26 DAY=`echo "$OUTPUT" | awk '{print $2}'` | |
| 27 MONTH=`echo "$OUTPUT" | awk '{print $1}' | cut -c 10-` | |
| 28 YEAR=`echo "$OUTPUT" | awk '{print $4}'` | |
| 29 | |
| 30 case "$MONTH" in | |
| 31 | |
| 32 "Jan") | |
| 33 MONTH="01" | |
| 34 ;; | |
| 35 "Feb") | |
| 36 MONTH="02" | |
| 37 ;; | |
| 38 "Mar") | |
| 39 MONTH="03" | |
| 40 ;; | |
| 41 "Apr") | |
| 42 MONTH="04" | |
| 43 ;; | |
| 44 "May") | |
| 45 MONTH="05" | |
| 46 ;; | |
| 47 "Jun") | |
| 48 MONTH="06" | |
| 49 ;; | |
| 50 "Jul") | |
| 51 MONTH="07" | |
| 52 ;; | |
| 53 "Aug") | |
| 54 MONTH="08" | |
| 55 ;; | |
| 56 "Sep") | |
| 57 MONTH="09" | |
| 58 ;; | |
| 59 "Oct") | |
| 60 MONTH="10" | |
| 61 ;; | |
| 62 "Nov") | |
| 63 MONTH="11" | |
| 64 ;; | |
| 65 "Dec") | |
| 66 MONTH="12" | |
| 67 ;; | |
| 68 "*") | |
| 69 echo "An error occured" | |
| 70 exit 1 | |
| 71 ;; | |
| 72 esac | |
| 73 | |
| 74 EXPIRY_DATE_IN_SEC=`date -d "$YEAR""$MONTH""$DAY" +%s` | |
|
mathias
2018/06/05 16:24:19
You can use "$YEAR$MONTH$DAY" or, even better, "${
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| 75 CURRENT_DATE_IN_SEC=`date -d "$CURRENT_DATE" +%s` | |
| 76 DIFF=`expr "$EXPIRY_DATE_IN_SEC" - "$CURRENT_DATE_IN_SEC"` | |
| 77 DIFF=`expr "$DIFF" / 86400` | |
| 78 | |
| 79 if [ "$DIFF" -le "$CRITICAL" ] | |
| 80 then | |
| 81 echo "CRITICAL - $HOST: SSL certificate has been expired!" | |
| 82 exit "$STATE_CRITICAL" | |
| 83 elif [ "$DIFF" -le "$WARNING" ] | |
| 84 then | |
| 85 echo "WARNING - $HOST: SSL certificate will be expired in $DIFF days!" | |
| 86 exit "$STATE_WARNING" | |
| 87 elif [ "$DIFF" -gt "$WARNING" ] | |
| 88 then | |
| 89 echo "OK - $HOST: SSL certificate will be expired in $DIFF days" | |
| 90 exit "$STATE_OK" | |
| 91 else | |
| 92 echo "UNKNOWN - $HOST: Could not retrieve data" | |
| 93 exit "$STATE_UNKNOWN" | |
| 94 fi | |
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