125 lines
4.7 KiB
Scheme
125 lines
4.7 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2015 David Thompson <davet@gnu.org>
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;;; Copyright © 2015 Ludovic Courtès <ludo@gnu.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu services web)
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#:use-module (gnu services)
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#:use-module (gnu services shepherd)
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#:use-module (gnu system shadow)
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#:use-module (gnu packages admin)
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#:use-module (gnu packages web)
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#:use-module (guix records)
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#:use-module (guix gexp)
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#:use-module (ice-9 match)
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#:export (nginx-service))
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;;; Commentary:
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;;;
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;;; Web services.
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;;;
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;;; Code:
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(define-record-type* <nginx-configuration>
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nginx-configuration make-nginx-configuration
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nginx-configuration?
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(nginx nginx-configuration-nginx) ;<package>
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(log-directory nginx-configuration-log-directory) ;string
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(run-directory nginx-configuration-run-directory) ;string
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(file nginx-configuration-file)) ;string | file-like
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(define (default-nginx-config log-directory run-directory)
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(plain-file "nginx.conf"
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(string-append
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"user nginx nginx;\n"
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"pid " run-directory "/pid;\n"
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"error_log " log-directory "/error.log info;\n"
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"http {\n"
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" access_log " log-directory "/access.log;\n"
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" root /var/www;\n"
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" server {}\n"
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"}\n"
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"events {}\n")))
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(define %nginx-accounts
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(list (user-group (name "nginx") (system? #t))
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(user-account
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(name "nginx")
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(group "nginx")
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(system? #t)
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(comment "nginx server user")
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(home-directory "/var/empty")
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(shell #~(string-append #$shadow "/sbin/nologin")))))
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(define nginx-activation
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(match-lambda
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(($ <nginx-configuration> nginx log-directory run-directory config-file)
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#~(begin
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(use-modules (guix build utils))
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(format #t "creating nginx log directory '~a'~%" #$log-directory)
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(mkdir-p #$log-directory)
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(format #t "creating nginx run directory '~a'~%" #$run-directory)
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(mkdir-p #$run-directory)
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;; Check configuration file syntax.
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(system* (string-append #$nginx "/bin/nginx")
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"-c" #$config-file "-t")))))
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(define nginx-shepherd-service
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(match-lambda
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(($ <nginx-configuration> nginx log-directory run-directory config-file)
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(let* ((nginx-binary #~(string-append #$nginx "/sbin/nginx"))
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(nginx-action
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(lambda args
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#~(lambda _
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(zero?
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(system* #$nginx-binary "-c" #$config-file #$@args))))))
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;; TODO: Add 'reload' action.
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(list (shepherd-service
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(provision '(nginx))
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(documentation "Run the nginx daemon.")
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(requirement '(user-processes loopback))
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(start (nginx-action "-p" run-directory))
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(stop (nginx-action "-s" "stop"))))))))
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(define nginx-service-type
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(service-type (name 'nginx)
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(extensions
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(list (service-extension shepherd-root-service-type
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nginx-shepherd-service)
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(service-extension activation-service-type
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nginx-activation)
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(service-extension account-service-type
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(const %nginx-accounts))))))
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(define* (nginx-service #:key (nginx nginx)
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(log-directory "/var/log/nginx")
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(run-directory "/var/run/nginx")
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(config-file
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(default-nginx-config log-directory run-directory)))
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"Return a service that runs NGINX, the nginx web server.
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The nginx daemon loads its runtime configuration from CONFIG-FIGLE, stores log
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files in LOG-DIRECTORY, and stores temporary runtime files in RUN-DIRECTORY."
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(service nginx-service-type
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(nginx-configuration
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(nginx nginx)
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(log-directory log-directory)
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(run-directory run-directory)
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(file config-file))))
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