Hello, igorclark Perhahs you can create a shell to launch nginx, and before that, ejecute a shell to assign a environment variable as a result of the execution of a program, or create (update) a file that is to be included from nginx config file when starting
Some ideas: http://nginx.2469901.n2.nabble.com/Want-to-access-UNIX-environment-variable-td7584005.html https://www.google.com/search?client=ubuntu&channel=fs&q=get+environment+variable+from+nginx&ie=utf-8&oe=utf-8 Greetings, Oscar On Thu, Sep 4, 2014 at 7:07 AM, igorclark <[email protected]> wrote: > Hi all, > > I want to read some remote values via HTTP into nginx config variables, > just > once at nginx startup / reload time, and pass them as fastcgi_params into > PHP scripts. I control the remote system, so I'll know if it needs to > re-read and can send a HUP to nginx. I don't need it to happen every > request > though, because the value won't change for long periods - but it will > change > sometimes, and I don't want to have push more config out to multiple nginx > servers if I can avoid it. > > Is there a way to do this that doesn't create problems? > > Here's what I've tried so far. > > This first one doesn't work, because the "API [is] disabled in the context > of set_by_lua*": > > set_by_lua $config_variable " > local result = ngx.location.capture('http://url.to.fetch/') > return result > " > > (Same with ngx.socket.*) > > This next one works; it feels horrible to do this but if it was just once > at > start-up, it might be OK - but this executes for every incoming request > (confirmed by using /bin/date as the 'command' and just hitting refresh): > > set_by_lua $config_variable " > local command = "/usr/bin/curl http://url.to.fetch/"; > local handle = io.popen(command) > local result = handle:read("*a") > handle:close() > return result > " > > Same for this one, it executes for every request: > > perl_set $config_variable ' > sub { > $var = `/bin/date`; > return $var; > } > ' > > Is there a good way to do this, that only executes once, and doesn't have > horrible shell interactions? > > Thanks very much for your help, > Igor > > Posted at Nginx Forum: > http://forum.nginx.org/read.php?2,253063,253063#msg-253063 > > _______________________________________________ > nginx mailing list > [email protected] > http://mailman.nginx.org/mailman/listinfo/nginx > -- Oscar Fernandez Sierra [email protected]
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