This plugin tests the HTTP service on the specified host. It can test normal (HTTP) and secure (HTTPS) servers, follow redirects, search for strings and regular expressions, check connection times, and report on certificate expiration times.
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OMD[mysite]:~/lib/nagios/plugins$ ./check_http '-u' 'https://www.google.com/' '--ssl' '--onredirect=follow' '-j' 'CONNECT' '--sni' '-p' 'proxy_port' 'myproxyip' 'www.google.com' |
For a detailed log, you can use --verbose at the end of the command:
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OMD[mysite]:~/lib/nagios/plugins$ ./check_http '-u' 'https://www.google.com/' '--ssl' '--onredirect=follow' '-j' 'CONNECT' '--sni' '-p' 'proxy_port' 'myproxyip' 'www.google.com' --verbose |
For more information, you can use --help command flag.
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OMD[mysite]:~/lib/nagios/plugins$ ./check_http --help |
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OMD[mysite]:~/lib/nagios/plugins$ ./check_http -u /regional/americas --ssl -l -R 'Access Context Manager' --sni -I status.cloud.google.com -H status.cloud.google.com
HTTP OK: HTTP/1.1 200 OK - 584329 bytes in 4.511 second response time |time=4.511160s;;;0.000000;10.000000 size=584329B;;;0; |
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Information on errors with JavascriptIf there is any client-side or Javascript-related content, Checkmk will not be able to parse this information with regular expressions. |
Some important options
- Address (name / IP or Proxy) → If you need a proxy to access the domain
- Virtual host → is necessary if you have multiple domains and one host running
- How to handle redirect → How to handle redirected pages
- Regular Expression to expect in content →
- HTTP Method → Set to CONNECT if you're using a proxy
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