1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
|
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2015 David Thompson <davet@gnu.org>
;;; Copyright © 2015, 2016 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016 ng0 <ng0@we.make.ritual.n0.is>
;;; Copyright © 2016 Julien Lepiller <julien@lepiller.eu>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (gnu services web)
#:use-module (gnu services)
#:use-module (gnu services shepherd)
#:use-module (gnu system shadow)
#:use-module (gnu packages admin)
#:use-module (gnu packages web)
#:use-module (guix records)
#:use-module (guix gexp)
#:use-module (ice-9 match)
#:export (nginx-configuration
nginx-configuration?
nginx-vhost-configuration
nginx-vhost-configuration?
nginx-service
nginx-service-type))
;;; Commentary:
;;;
;;; Web services.
;;;
;;; Code:
(define-record-type* <nginx-vhost-configuration>
nginx-vhost-configuration make-nginx-vhost-configuration
nginx-vhost-configuration?
(http-port nginx-vhost-configuration-http-port
(default 80))
(https-port nginx-vhost-configuration-https-port
(default 443))
(server-name nginx-vhost-configuration-server-name
(default (list 'default)))
(root nginx-vhost-configuration-root
(default "/srv/http"))
(index nginx-vhost-configuration-index
(default (list "index.html")))
(ssl-certificate nginx-vhost-configuration-ssl-certificate
(default "/etc/nginx/cert.pem"))
(ssl-certificate-key nginx-vhost-configuration-ssl-certificate-key
(default "/etc/nginx/key.pem"))
(server-tokens? nginx-vhost-configuration-server-tokens?
(default #f)))
(define-record-type* <nginx-configuration>
nginx-configuration make-nginx-configuration
nginx-configuration?
(nginx nginx-configuration-nginx) ;<package>
(log-directory nginx-configuration-log-directory) ;string
(run-directory nginx-configuration-run-directory) ;string
(file nginx-configuration-file)) ;string | file-like
(define (config-domain-strings names)
"Return a string denoting the nginx config representation of NAMES, a list
of domain names."
(string-concatenate
(map (match-lambda
('default "_")
((? string? str) str))
names)))
(define (config-index-strings names)
"Return a string denoting the nginx config representation of NAMES, a list
of index files."
(string-concatenate
(map (match-lambda
((? string? str) str))
names)))
(define (default-nginx-vhost-config vhost)
(string-append
" server {\n"
(if (nginx-vhost-configuration-http-port vhost)
(string-append " listen "
(number->string (nginx-vhost-configuration-http-port vhost))
";\n")
"")
(if (nginx-vhost-configuration-https-port vhost)
(string-append " listen "
(number->string (nginx-vhost-configuration-https-port vhost))
" ssl;\n")
"")
" server_name " (config-domain-strings
(nginx-vhost-configuration-server-name vhost))
";\n"
(if (nginx-vhost-configuration-ssl-certificate vhost)
(string-append " ssl_certificate "
(nginx-vhost-configuration-ssl-certificate vhost) ";\n")
"")
(if (nginx-vhost-configuration-ssl-certificate-key vhost)
(string-append " ssl_certificate_key "
(nginx-vhost-configuration-ssl-certificate-key vhost) ";\n")
"")
" root " (nginx-vhost-configuration-root vhost) ";\n"
" index " (config-index-strings (nginx-vhost-configuration-index vhost)) ";\n"
" server_tokens " (if (nginx-vhost-configuration-server-tokens? vhost)
"on" "off") ";\n"
" }\n"))
(define (default-nginx-config log-directory run-directory vhost-list)
(plain-file "nginx.conf"
(string-append
"user nginx nginx;\n"
"pid " run-directory "/pid;\n"
"error_log " log-directory "/error.log info;\n"
"http {\n"
" client_body_temp_path " run-directory "/client_body_temp;\n"
" proxy_temp_path " run-directory "/proxy_temp;\n"
" fastcgi_temp_path " run-directory "/fastcgi_temp;\n"
" uwsgi_temp_path " run-directory "/uwsgi_temp;\n"
" scgi_temp_path " run-directory "/scgi_temp;\n"
" access_log " log-directory "/access.log;\n"
(let ((http (map default-nginx-vhost-config vhost-list)))
(do ((http http (cdr http))
(block "" (string-append (car http) "\n" block )))
((null? http) block)))
"}\n"
"events {}\n")))
(define %nginx-accounts
(list (user-group (name "nginx") (system? #t))
(user-account
(name "nginx")
(group "nginx")
(system? #t)
(comment "nginx server user")
(home-directory "/var/empty")
(shell (file-append shadow "/sbin/nologin")))))
(define nginx-activation
(match-lambda
(($ <nginx-configuration> nginx log-directory run-directory config-file)
#~(begin
(use-modules (guix build utils))
(format #t "creating nginx log directory '~a'~%" #$log-directory)
(mkdir-p #$log-directory)
(format #t "creating nginx run directory '~a'~%" #$run-directory)
(mkdir-p #$run-directory)
(format #t "creating nginx temp directories '~a/{client_body,proxy,fastcgi,uwsgi,scgi}_temp'~%" #$run-directory)
(mkdir-p (string-append #$run-directory "/client_body_temp"))
(mkdir-p (string-append #$run-directory "/proxy_temp"))
(mkdir-p (string-append #$run-directory "/fastcgi_temp"))
(mkdir-p (string-append #$run-directory "/uwsgi_temp"))
(mkdir-p (string-append #$run-directory "/scgi_temp"))
;; Check configuration file syntax.
(system* (string-append #$nginx "/sbin/nginx")
"-c" #$config-file "-t")))))
(define nginx-shepherd-service
(match-lambda
(($ <nginx-configuration> nginx log-directory run-directory config-file)
(let* ((nginx-binary (file-append nginx "/sbin/nginx"))
(nginx-action
(lambda args
#~(lambda _
(zero?
(system* #$nginx-binary "-c" #$config-file #$@args))))))
;; TODO: Add 'reload' action.
(list (shepherd-service
(provision '(nginx))
(documentation "Run the nginx daemon.")
(requirement '(user-processes loopback))
(start (nginx-action "-p" run-directory))
(stop (nginx-action "-s" "stop"))))))))
(define nginx-service-type
(service-type (name 'nginx)
(extensions
(list (service-extension shepherd-root-service-type
nginx-shepherd-service)
(service-extension activation-service-type
nginx-activation)
(service-extension account-service-type
(const %nginx-accounts))))))
(define* (nginx-service #:key (nginx nginx)
(log-directory "/var/log/nginx")
(run-directory "/var/run/nginx")
(vhost-list (list (nginx-vhost-configuration)))
(config-file
(default-nginx-config log-directory run-directory vhost-list)))
"Return a service that runs NGINX, the nginx web server.
The nginx daemon loads its runtime configuration from CONFIG-FILE, stores log
files in LOG-DIRECTORY, and stores temporary runtime files in RUN-DIRECTORY."
(service nginx-service-type
(nginx-configuration
(nginx nginx)
(log-directory log-directory)
(run-directory run-directory)
(file config-file))))
|
