Maintenance message

[Reinis Rozitis]

Why not use the vcl_error ?
Just customize the default html which is included in the sample config and you can have a nice error page without even the need of a 
extra server.

Or you mean the whole director config doesnt work?

rr

----- Original Message ----- 
From: "Brad Schick" <schickb at gmail.com>
To: <varnish-misc at projects.linpro.no>
Sent: Wednesday, February 10, 2010 8:54 AM
Subject: Maintenance message


>I have a varnish server working well, but I'd like to have a standby server that does nothing but server up "Sorry we are 
>preforming maintenance". My thought was to write VCL code to check the health of the director, and if that was bad use a different 
>server (something like the example below). But that doesn't work. Any suggestions?
>
> backend web1 {
>    .host = "10.0.0.1";
>    .probe = {
>        .url = "/";
>        .window = 5;
>        .threshold = 3;
>    }
> }
>
> backend web2 {
>    .host = "10.0.0.2";
>    .probe = {
>        .url = "/";
>        .window = 5;
>        .threshold = 3;
>    }
> }
>
> backend maint {
>    .host = "127.0.0.1";
> }
>
> director cluster round-robin {
>    { .backend = web1; }
>    { .backend = web2; }
> }
>
> sub vcl_recv {
>    if(cluster.healthy){
>        set req.backend = cluster;
>    }
>    else {
>        set req.backend = maint;
>    }
>    ...
> }
>
> sub vcl_fetch {
>    if(req.backend == maint) {
>        pass;
>    }
>   ...
> }
> _______________________________________________
> varnish-misc mailing list
> varnish-misc at projects.linpro.no
> http://projects.linpro.no/mailman/listinfo/varnish-misc
>