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Dynamically route requests based on response from an App?

 
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j4sonryu



Joined: 10 Jan 2018
Posts: 1
Location: Seoul

PostPosted: Wed 10 Jan '18 9:33    Post subject: Dynamically route requests based on response from an App? Reply with quote

Hi Apache experts,

Is there a way to make Apache dynamically route requests based on the response from an App on Tomcat?

The usage scenario is following:
    1. Apache server is distributing requests to 3 different Tomcat nodes.
    2. There's a status checking URL provided by the application running on Tomcat, and it returns an HTTP response and a JSON payload describing the state of the node. if the node is running ok, it returns "RUNNING" and "200 OK".
    3. I want to distribute requests from Apache to the app on Tomcat only when Apache gets back "RUNNING" status or "200 OK", and ignore the Tomcat node when Apache gets something else. (and distribute to other nodes in this case)


Is this doable with Apache? Any plugin to do this?

Thanks,

Jason
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mraddi



Joined: 27 Jun 2016
Posts: 44
Location: Schömberg, Baden-Württemberg, Germany

PostPosted: Thu 11 Jan '18 0:06    Post subject: Reply with quote

Hi Jason,

you may check https://httpd.apache.org/docs/2.4/mod/mod_proxy_hcheck.html#examples - this apache-module looks like the thing you want to have Very Happy

Greetings
Matthias
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