Thank you Dimitry,

I will remove the default value.
It will be empty by default in stead of ‘-‘ not a big loss ;-)

Regards.

On 20 Sep 2019, at 14:54, Maxim Dounin <mdounin@mdounin.ru<mailto:mdounin@mdounin.ru>> wrote:

Hello!

On Fri, Sep 20, 2019 at 07:59:15AM +0000, PALMA Mickael wrote:

Hi,

Here is my location directive :

server {
# Start with an undefined API name, each API will update this value
set $api_name -;

[...]

location = /_oauth {
internal;
set $api_name 'Oauth API';

# Policy configuration here (authentication, rate limiting, logging, more...)
mirror /_mirrored_api;
proxy_pass http://$upstream$request_uri;
}
}

In my log I only get “-“ as api_name but if I comment the mirror directive I get 'Oauth API’.

Any idea how to avoid that.
I always want the name to be ''Oauth API’'.

The problem is that variables space is shared among all
subrequests, including mirror one. As such, "set $api_name -;" in
the mirror subrequest overrides the one previously set for the
request. The only solution is to avoid changing variables you
don't want to be changed. In this particular configuration -
consider removing "set ..." from the server level.

--
Maxim Dounin
http://mdounin.ru/
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