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Apache support

Currently there are three uwsgi-protocol related apache2 modules available.

mod_uwsgi

This is the original module. It is solid, but incredibly ugly and does not follow a lot of apache coding convention style.

mod_uwsgi can be used in two ways:

  • The "assbackwards" way (the default one). It is the fastest but somewhat far from the Apache2 API. If you do not use Apache2 filters (including gzip) for content generated by uWSGI, use this mode.
  • The "cgi" mode. This one is somewhat slower but better integrated with Apache. To use the CGI mode, pass -C to the uWSGI server.

Options

Note

All of the options can be set per-host or per-location.

uWSGISocket <path> [timeout] Absolute path and optional timeout in seconds of uwsgi server socket.

uWSGISocket2 <path> Absolute path of failover uwsgi server socket

uWSGIServer <host:port> Address and port of an UWSGI server (e.g. localhost:4000)

uWSGIModifier1 <int> Set uWSGI modifier1

uWSGIModifier2 <int> Set uWSGI modifier2

uWSGIForceScriptName <value> Force SCRIPT_NAME (app name)

uWSGIForceCGIMode <on/off> Force uWSGI CGI mode for perfect integration with apache filters

uWSGIForceWSGIScheme <value> Force the WSGI scheme var (set by default to "http")

uWSGIMaxVars <int> Set the maximum allowed number of uwsgi protocol variables (default 128)

To pass custom variables use the SetEnv directive:

SetEnv UWSGI_SCRIPT yourapp

mod_proxy_uwsgi

This is the latest module and probably the best bet for the future. It is a "proxy" module, so you will get all of the features exported by mod_proxy. It is fully "apache api compliant" so it should be easy to integrate with the available modules. Using it is easy; just remember to load mod_proxy and mod_proxy_uwsgi modules in your apache config.

ProxyPass /foo uwsgi://127.0.0.1:3032/
ProxyPass /bar uwsgi://127.0.0.1:3033/
ProxyPass / uwsgi://127.0.0.1:3031/

The first two forms set SCRIPT_NAME respectively to /foo and /bar while the last one use an empty SCRIPT_NAME. You can set additional uwsgi vars using the SetEnv directive and load balance requests using mod_proxy_balancer.

<Proxy balancer://mycluster>
   BalancerMember uwsgi://192.168.1.50:3031/
   BalancerMember uwsgi://192.168.1.51:3031/
</Proxy>
ProxyPass / balancer://mycluster

Pay attention to the last slash in the member/node definition. It is optional for non-empty SCRIPT_NAME/mountpoints but required for apps mounted in the root of the domain. Currently the module lacks the ability to set modifiers, though this will be fixed soon.

Note

If you want to use this module (and help the uWSGI project), report any bugs you find, rather than falling back to the ancient (and ugly) mod_uwsgi

mod_Ruwsgi

This module is based on the SCGI module written by Roger Florkowski.

Note

This module is currently undocumented.