Unit test for proxy_protocol

[Sergey Kandaurov]

> On 21 Sep 2021, at 07:56, Greeshma A <greeshma.avadhootha at gmail.com> wrote:
> 
> I am trying to test the following config : 
> For proxy_protocol I have made changes in the nginx source code to support variable input parameter as well. 
> Im writing unit tests for this. However, Im not sure how to configure the map directive. The variable   $ssl_preread_server_nameis wrong. I need to give the destination address and port. What would I have to give in the key part of the map definition? 
> ie something like 
> map $remote_addr:$remote_port $proxy_state {
> # conditions
> }

For destination you'd need $server_addr / $server_port variables.
See stream_map.t as a rough example.
You might also want to look at these variables:
$proxy_protocol_server_addr / $proxy_protocol_server_port.
All of them described on this page:
http://nginx.org/en/docs/stream/ngx_stream_core_module.html

> 
> stream {
>     %%TEST_GLOBALS_STREAM%%
> 
>     map $ssl_preread_server_name $proxy_state{
>         default off;
>         127.0.0.1:8084 on;
>     }
> 
>     server {
>         listen          127.0.0.1:8080;
>         proxy_pass      127.0.0.1:8081;
>         proxy_protocol on;
>     }
> 
>     server {
>         listen          127.0.0.1:8082;
>         proxy_pass      127.0.0.1:8081;
>         proxy_protocol  off;
>     }
> 
>     server {
>         listen          127.0.0.1:8083;
>         proxy_pass      127.0.0.1:8081;
>         proxy_protocol  $proxy_state;
>     }
> 
>     server {
>         listen          127.0.0.1:8084;
>         proxy_pass      127.0.0.1:8081;
>         proxy_protocol  $proxy_state;
>     }
> }
> <nginx_proxy_protocol.txt>_______________________________________________
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-- 
Sergey Kandaurov