Take the 2-minute tour ×
Server Fault is a question and answer site for professional system and network administrators. It's 100% free, no registration required.

I want to set a variable in the http context of nginx so it applies to all my servers. However, 'if' is only supported in server & location.

How can I set a variable in the http context so it will affect all servers?

Might the lua module be able to help with this (although I'd rather have a pure nginx solution). If so, please provide an example.

I just want to set the following variable so it applies to all servers:

# only allow gzip encoding. For all other cases, use identity (uncompressed)
if ($http_accept_encoding ~* "gzip") {
    set $sanitised_accept_encoding "gzip";
}

if ($http_accept_encoding != "gzip") {
    set $sanitised_accept_encoding "";
}
share|improve this question
add comment

1 Answer

Use the map module: http://nginx.org/en/docs/http/ngx_http_map_module.html

map $http_accept_encoding $sanitised_accept_encoding {
    ~*gzip                gzip;
}
share|improve this answer
add comment

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.