diff options
| -rw-r--r-- | doc/guix-cookbook.texi | 58 | ||||
| -rw-r--r-- | doc/guix.texi | 24 | ||||
| -rw-r--r-- | gnu/services/web.scm | 25 |
3 files changed, 101 insertions, 6 deletions
diff --git a/doc/guix-cookbook.texi b/doc/guix-cookbook.texi index affb68ca12..db3d7e505b 100644 --- a/doc/guix-cookbook.texi +++ b/doc/guix-cookbook.texi @@ -1353,6 +1353,7 @@ reference. * Running Guix on a Linode Server:: Running Guix on a Linode Server * Setting up a bind mount:: Setting up a bind mount in the file-systems definition. * Getting substitutes from Tor:: Configuring Guix daemon to get substitutes through Tor. +* Setting up NGINX with Lua:: Configuring NGINX web-server to load Lua modules. @end menu @node Customizing the Kernel @@ -2114,6 +2115,63 @@ sudo herd set-http-proxy guix-daemon http://localhost:9250 guix build --substitute-urls=https://bp7o7ckwlewr4slm.onion … @end example +@node Setting up NGINX with Lua +@section Setting up NGINX with Lua +@cindex nginx, lua, openresty, resty + +NGINX could be extended with Lua scripts. + +Guix provides NGINX service with ability to load Lua module and specific +Lua packages, and reply to requests by evaluating Lua scripts. + +The following example demonstrates system definition with configuration +to evaluate @file{index.lua} Lua script on HTTP request to +@uref{http://localhost/hello} endpoint: + +@example +local shell = require "resty.shell" + +local stdin = "" +local timeout = 1000 -- ms +local max_size = 4096 -- byte + +local ok, stdout, stderr, reason, status = + shell.run([[/run/current-system/profile/bin/ls /tmp]], stdin, timeout, max_size) + +ngx.say(stdout) +@end example + +@lisp +(use-modules (gnu)) +(use-service-modules #;… web) +(use-package-modules #;… lua) +(operating-system + ;; … + (services + ;; … + (service nginx-service-type + (nginx-configuration + (modules + (list + (file-append nginx-lua-module "/etc/nginx/modules/ngx_http_lua_module.so"))) + (lua-package-path (list lua-resty-core + lua-resty-lrucache + lua-resty-signal + lua-tablepool + lua-resty-shell)) + (lua-package-cpath (list lua-resty-signal)) + (server-blocks + (list (nginx-server-configuration + (server-name '("localhost")) + (listen '("80")) + (root "/etc") + (locations (list + (nginx-location-configuration + (uri "/hello") + (body (list #~(format #f "content_by_lua_file ~s;" + #$(local-file "index.lua")))))))))))))) +@end lisp + @c ********************************************************************* @node Advanced package management @chapter Advanced package management diff --git a/doc/guix.texi b/doc/guix.texi index ff33735c3a..2374c956e5 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -21984,7 +21984,29 @@ names of loadable modules, as in this example: (modules (list (file-append nginx-accept-language-module "\ -/etc/nginx/modules/ngx_http_accept_language_module.so"))) +/etc/nginx/modules/ngx_http_accept_language_module.so") + (file-append nginx-lua-module "\ +/etc/nginx/modules/ngx_http_lua_module.so"))) +@end lisp + +@item @code{lua-package-path} (default: @code{'()}) +List of nginx lua packages to load. This should be a list of package +names of loadable lua modules, as in this example: + +@lisp +(lua-package-path (list lua-resty-core + lua-resty-lrucache + lua-resty-signal + lua-tablepool + lua-resty-shell)) +@end lisp + +@item @code{lua-package-cpath} (default: @code{'()}) +List of nginx lua C packages to load. This should be a list of package +names of loadable lua C modules, as in this example: + +@lisp +(lua-package-cpath (list lua-resty-signal)) @end lisp @item @code{global-directives} (default: @code{'((events . ()))}) diff --git a/gnu/services/web.scm b/gnu/services/web.scm index b2d1dcf0ee..a74c6c54b4 100644 --- a/gnu/services/web.scm +++ b/gnu/services/web.scm @@ -13,6 +13,7 @@ ;;; Copyright © 2020 Ricardo Wurmus <rekado@elephly.net> ;;; Copyright © 2020 Tobias Geerinckx-Rice <me@tobias.gr> ;;; Copyright © 2020 Arun Isaac <arunisaac@systemreboot.net> +;;; Copyright © 2020 Oleg Pykhalov <go.wigust@gmail.com> ;;; ;;; This file is part of GNU Guix. ;;; @@ -525,6 +526,10 @@ (modules nginx-configuration-modules (default '())) (global-directives nginx-configuration-global-directives (default '((events . ())))) + (lua-package-path nginx-lua-package-path ;list of <package> + (default #f)) + (lua-package-cpath nginx-lua-package-cpath ;list of <package> + (default #f)) (extra-content nginx-configuration-extra-content (default "")) (file nginx-configuration-file ;#f | string | file-like @@ -630,6 +635,8 @@ of index files." server-names-hash-bucket-max-size modules global-directives + lua-package-path + lua-package-cpath extra-content) (apply mixed-text-file "nginx.conf" (flatten @@ -646,11 +653,19 @@ of index files." " scgi_temp_path " run-directory "/scgi_temp;\n" " access_log " log-directory "/access.log;\n" " include " nginx "/share/nginx/conf/mime.types;\n" - (if server-names-hash-bucket-size - (string-append - " server_names_hash_bucket_size " - (number->string server-names-hash-bucket-size) - ";\n") + (if lua-package-path + #~(format #f " lua_package_path ~s;~%" + (string-join (map (lambda (path) + (string-append path "/lib/?.lua")) + '#$lua-package-path) + ";")) + "") + (if lua-package-cpath + #~(format #f " lua_package_cpath ~s;~%" + (string-join (map (lambda (cpath) + (string-append cpath "/lib/lua/?.lua")) + '#$lua-package-cpath) + ";")) "") (if server-names-hash-bucket-max-size (string-append |