Software Version mit Checkmk überwachen

15. Februar 202419. Juli 2020 von mb-press

Um einen Überblick der Softwarestände meiner Anwendungen zu haben, werden diese jetzt auch mit Checkmk überwacht. (check_appl)
Mit den verschiedenen Skripten vergleiche ich die installierte Version auf dem Server mit der aktuellen Version von der Website der Anwendung.

MediaWiki

#!/bin/bash

# get MediaWiki download page
wget -q https://www.mediawiki.org/wiki/Download -O /tmp/mediawiki-version-online.html

# get versions
version_online=$(grep "Download MediaWiki 1." /tmp/mediawiki-version-online.html | sed 's/>/\n/g;s/</ /g' | awk '/Download/ {print $3}')
# bis 1.34.0
# version_installed=$(grep "wgVersion" /var/www/html/includes/DefaultSettings.php | cut -d "'" -f 2)
# ab 1.34.1
version_installed=$(grep "MW_VERSION" /var/www/html/includes/Defines.php | cut -d "'" -f 4)

# check if a newer version is online available
if [[ $version_online = $version_installed ]]; then
        echo MediaWiki $version_installed
         echo "mrpe check every 12 hours"
          exit 0
          else
         echo MediaWiki $version_installed - update to $version_online available
        echo "https://www.mediawiki.org/wiki/Download" "MediaWiki downloads"
       exit 1
fi

BackupPC

#!/bin/bash

# get versions
version_online=$(curl --silent "https://api.github.com/repos/backuppc/backuppc/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
version_installed=$(grep "Version" /var/log/BackupPC/status.pl | sed 's/,//;s/"//g;s/\x27//g' | awk '{print $3}')

# check if a newer version is online available
if [[ $version_online = $version_installed ]]; then
        echo BackupPC $version_installed
         echo "mrpe check every 12 hours"
          exit 0
           else
          echo BackupPC $version_installed - update to $version_online available
         echo "https://backuppc.github.io/backuppc" "BackupPC downloads"
        exit 1
fi

Webmin

#!/bin/bash

# get versions
version_online=$(curl --silent "https://api.github.com/repos/webmin/webmin/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
version_installed=$(dpkg -l |grep webmin | awk '{print $3}')

# check if a newer version is online available
if [[ $version_online = $version_installed ]]; then
        echo Webmin $version_installed
         echo "mrpe check every 12 hours"
          exit 0
           else
          echo Webmin $version_installed - update to $version_online available
         echo "http://www.webmin.com/download.html" "Webmin downloads"
        exit 1
fi

RaspberryMatic

#!/bin/sh

# get versions
version_online=$(curl --silent "https://api.github.com/repos/jens-maus/RaspberryMatic/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/')
version_installed=$(grep "VERSION" /VERSION | cut -d "=" -f 2)

# check if a newer version is online available
if [[ $version_online = $version_installed ]]; then
        echo RaspberryMatic $version_installed
         echo "mrpe check every 12 hours"
          exit 0
           else
          echo RaspberryMatic $version_installed - update to $version_online available
         echo "https://github.com/jens-maus/RaspberryMatic/releases/latest" "RaspberryMatic downloads"
        exit 1
fi

Pi-hole

#!/bin/bash
# 02.01.2021 - output format changed, installed jq and modified version_online command
  
# get versions
version_online=$(curl --silent "https://api.github.com/repos/pi-hole/pi-hole/releases/latest" | jq . | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/;s/v//')
version_installed=$(pihole -v | awk '/Pi-hole/ {print $4}' | sed 's/v//')

# check if a newer version is online available
if [[ $version_online = $version_installed ]]; then
        echo Pi-hole $version_installed
         echo "mrpe check every 12 hours"
          exit 0
           else
          echo Pi-hole $version_installed - update to $version_online available
         echo "https://github.com/pi-hole/pi-hole/releases" "Pi-hole downloads"
        exit 1
fi

Gitea

#!/bin/bash
  
# get versions
version_online=$(curl --silent "https://api.github.com/repos/go-gitea/gitea/releases/latest" | grep '"tag_name":' | sed -E 's/.*"([^"]+)".*/\1/;s/v//')
version_installed=$(gitea --version | awk '{print $3}')

# check if a newer version is online available
if [[ $version_online = $version_installed ]]; then
        echo Gitea $version_installed
         echo "mrpe check every 12 hours"
          exit 0
           else
          echo Gitea $version_installed - update to $version_online available
         echo "https://github.com/go-gitea/gitea/releases" "Gitea downloads"
        exit 1
fi

Check Intervall

Wenn man die api.github.com alle 60 Sekunden abfragt, wird man geblockt. Das Abfrageintervall MUSS höher gesetzt werden!

curl "https://api.github.com/repos/jens-maus/RaspberryMatic/releases/latest"
{"message":"API rate limit exceeded for 212.7.169.xxx.

Die Checks lasse ich nur alle 12 Stunden laufen. (siehe Checkmk Intervall für bestimmte service checks anpassen)

# /etc/check_mk/mrpe.cfg
check_appl    (interval=43200:appendage=1)    /etc/check_mk/check_appl

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