config error

Rodney Bizzell rbizzell at measinc.com
Mon Aug 21 21:32:26 CEST 2017


When I made the change an error comes up and says backend stgpegwritingscholar {

________________________________
From: Bender, Charles <charles at beachcamera.com>
Sent: Monday, August 21, 2017 3:24 PM
To: Rodney Bizzell; varnish-misc
Subject: Re: config error


Probably your vcl_recv should look like this-

sub vcl_recv {
    if (req.http.host == "stg.ncwrite.com") {
       set req.backend_hint = stgncwrite;
       }
    if (req.http.host == "stg.pegwritingscholar.com"){
       set req.backend_hint = stgpegwritingscholar;
       }
    return (hash);
    }

Also in my humble opinion its dangerous to use DNS names for backends. If DNS is slow/down then your backends won't be reachable. Better to use IP address when defining host and send the Host header from client or set in VCL


On 08/21/2017 03:11 PM, Rodney Bizzell wrote:

Hello,

I am not sure why I am getting a config error can't see what I am missing here is a copy of my config.


backend stgncwrite {
    .host = "stg.ncwrite.com";
    .port = "80";
    .connect_timeout = 5s;
    .first_byte_timeout = 60s;
    .between_bytes_timeout = 60s;
    .probe = {
        .url = "/";
        .timeout = 5s;
        .interval = 5s;
        .window = 5;
        .threshold = 3;
     }




backend stgpegwritingscholar {
    .host = "stg.pegwritingscholar.com";
    .port = "80";
    .connect_timeout = 5s;
    .first_byte_timeout = 60s;
    .between_bytes_timeout = 60s;
    .probe = {
        .url = "/";
        .timeout = 5s;
        .interval = 5s;
        .window = 5;
        .threshold = 3;
     }



sub vcl_recv {
    if(req.http.host == "stg.ncwrite.com"){
       set req.backend_hint = stgncwrite;
    } else if (req.http.host == "stg.pegwritingscholar.com"){
       set req.backend_hint = stgpegwritingscholar;
      return (hash);
    }



#sub vcl_pass {





sub vcl_backend_response {
  set beresp.grace = 6h;
  set beresp.ttl = 5m;
}



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