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gargolek_116822's avatar
gargolek_116822
Icon for Nimbostratus rankNimbostratus
Apr 15, 2013

Health check in body

Hello,

 

 

I am pretty new to F5 over all...:)

 

I need to create helth monitor which will check for body of the page and return 200 OK.

 

I tried below:

 

"

 

Send: GET /invoke/abc.Monitors.URL:urlMonitor HTTP/1.0\r\nHost:localhost\r\n\r\n

 

 

Received: 200 OK

 

"

 

But this is not checking in the body just i guess avilbility of the whole page (hopefully i am not mistaken) :)

 

 

I asked someone for help and they using curl get below output but still i have trouble...any help woul be approciated.

 

"

 

326001647:~$ curl -v

 

http://abc.abc.net:5555/invoke/abc.Monitors.URL:urlMonitor

 

* About to connect() to abc.abc.net port 5555 (0)

 

* Trying 1.1.1.1... connected

 

* Connected to abc.abc.ne (1.1.1.1) port 5555 (0)

 

> GET /invoke/abc.Monitors.URL:urlMonitor HTTP/1.1

 

> User-Agent: curl/7.21.4 (universal-apple-darwin11.0) libcurl/7.21.4

 

>OpenSSL/0.9.8r zlib/1.2.5

 

> Host: abc.abc.net:5555

 

> Accept: */*

 

>

 

< HTTP/1.1 200 OK

 

< Content-Type: text/html; charset=UTF-8

 

< Content-Length: 7

 

<

 

* Connection 0 to host abc.abc.net:5555 left intact

 

* Closing connection 0

 

 

"

 

 

 

Thanks in advance L.

 

 

management
monitoring

3 Replies

  • afedden_1985's avatar
    afedden_1985
    Icon for Cirrus rankCirrus
    Apr 16, 2013
    I've seen a similar question here and maybe the same change will help you, 1st try changing your receive string> try just the number 200, thats what we use.

     

    Our working monitor looks like this since our servers expect to see a host header,

     

    HEAD /server/Healthstatus.asp HTTP/1.1\nHost: healthcheck.org \nConnection: close\r\n\r\n

     

    another example we use without a host header is

     

    HEAD /server/heartbeat.html HTTP/1.0\r\n\r\n

     

    hope this helps
  • gargolek_116822's avatar
    gargolek_116822
    Icon for Nimbostratus rankNimbostratus
    Apr 16, 2013
    Thank you, this will be sending string but what would be receiving string, if health need to be based on body of html page?

     

     

    Thank you in advance,
  • What_Lies_Bene1's avatar
    What_Lies_Bene1
    Icon for Cirrostratus rankCirrostratus
    Apr 16, 2013
    The receive string needs to be something contained within the body that would only be present if the server/application was working. Your best bet is to get copy of the page source and discuss with the web/app team what the best string within it would be best to check for.