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1 | ;;; GNU Guix --- Functional package management for GNU |
2 | ;;; Copyright © 2019 Christopher Baines <mail@cbaines.net> | |
3 | ;;; | |
4 | ;;; This file is part of GNU Guix. | |
5 | ;;; | |
6 | ;;; GNU Guix is free software; you can redistribute it and/or modify | |
7 | ;;; it under the terms of the GNU General Public License as published by | |
8 | ;;; the Free Software Foundation, either version 3 of the License, or | |
9 | ;;; (at your option) any later version. | |
10 | ;;; | |
11 | ;;; GNU Guix is distributed in the hope that it will be useful, | |
12 | ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | ;;; GNU General Public License for more details. | |
15 | ;;; | |
16 | ;;; You should have received a copy of the GNU General Public License | |
17 | ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. | |
18 | ||
19 | (define-module (gnu services guix) | |
20 | #:use-module (ice-9 match) | |
21 | #:use-module (guix gexp) | |
22 | #:use-module (guix records) | |
23 | #:use-module ((gnu packages base) | |
24 | #:select (glibc-utf8-locales)) | |
25 | #:use-module (gnu packages admin) | |
26 | #:use-module (gnu packages web) | |
27 | #:use-module (gnu services) | |
28 | #:use-module (gnu services base) | |
29 | #:use-module (gnu services admin) | |
30 | #:use-module (gnu services shepherd) | |
31 | #:use-module (gnu services getmail) | |
32 | #:use-module (gnu system shadow) | |
33 | #:export (<guix-data-service-configuration> | |
34 | guix-data-service-configuration | |
35 | guix-data-service-configuration? | |
36 | guix-data-service-package | |
37 | guix-data-service-user | |
38 | guix-data-service-group | |
39 | guix-data-service-port | |
40 | guix-data-service-host | |
41 | guix-data-service-getmail-idle-mailboxes | |
42 | guix-data-service-commits-getmail-retriever-configuration | |
43 | ||
44 | guix-data-service-type)) | |
45 | ||
46 | ;;;; Commentary: | |
47 | ;;; | |
48 | ;;; This module implements a service that to run instances of the Guix Data | |
49 | ;;; Service, which provides data about Guix over time. | |
50 | ;;; | |
51 | ;;;; Code: | |
52 | ||
53 | (define-record-type* <guix-data-service-configuration> | |
54 | guix-data-service-configuration make-guix-data-service-configuration | |
55 | guix-data-service-configuration? | |
56 | (package guix-data-service-package | |
57 | (default guix-data-service)) | |
58 | (user guix-data-service-configuration-user | |
59 | (default "guix-data-service")) | |
60 | (group guix-data-service-configuration-group | |
61 | (default "guix-data-service")) | |
62 | (port guix-data-service-port | |
63 | (default 8765)) | |
64 | (host guix-data-service-host | |
65 | (default "127.0.0.1")) | |
66 | (getmail-idle-mailboxes | |
67 | guix-data-service-getmail-idle-mailboxes | |
68 | (default #f)) | |
69 | (commits-getmail-retriever-configuration | |
70 | guix-data-service-commits-getmail-retriever-configuration | |
71 | (default #f))) | |
72 | ||
73 | (define (guix-data-service-profile-packages config) | |
74 | "Return the guix-data-service package, this will populate the | |
75 | ca-certificates.crt file in the system profile." | |
76 | (list | |
77 | (guix-data-service-package config))) | |
78 | ||
79 | (define (guix-data-service-shepherd-services config) | |
80 | (match-record config <guix-data-service-configuration> | |
81 | (package user group port host) | |
82 | (list | |
83 | (shepherd-service | |
84 | (documentation "Guix Data Service web server") | |
85 | (provision '(guix-data-service)) | |
86 | (requirement '(postgres networking)) | |
87 | (start #~(make-forkexec-constructor | |
88 | (list #$(file-append package | |
89 | "/bin/guix-data-service") | |
90 | "--pid-file=/var/run/guix-data-service/pid" | |
91 | #$(string-append "--port=" (number->string port)) | |
92 | #$(string-append "--host=" host) | |
93 | ;; Perform any database migrations when the | |
94 | ;; service is started | |
95 | "--update-database") | |
96 | ||
97 | #:user #$user | |
98 | #:group #$group | |
99 | #:pid-file "/var/run/guix-data-service/pid" | |
100 | ;; Allow time for migrations to run | |
101 | #:pid-file-timeout 60 | |
102 | #:environment-variables | |
103 | `(,(string-append | |
104 | "GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale") | |
105 | "LC_ALL=en_US.utf8") | |
106 | #:log-file "/var/log/guix-data-service/web.log")) | |
107 | (stop #~(make-kill-destructor))) | |
108 | ||
109 | (shepherd-service | |
110 | (documentation "Guix Data Service process jobs") | |
111 | (provision '(guix-data-service-process-jobs)) | |
112 | (requirement '(postgres | |
113 | networking | |
114 | ;; Require guix-data-service, as that the database | |
115 | ;; migrations are handled through this service | |
116 | guix-data-service)) | |
117 | (start #~(make-forkexec-constructor | |
118 | (list | |
119 | #$(file-append package | |
120 | "/bin/guix-data-service-process-jobs")) | |
121 | #:user #$user | |
122 | #:group #$group | |
123 | #:environment-variables | |
124 | `("HOME=/var/lib/guix-data-service" | |
125 | "GIT_SSL_CAINFO=/etc/ssl/certs/ca-certificates.crt" | |
126 | ,(string-append | |
127 | "GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale") | |
128 | "LC_ALL=en_US.utf8") | |
129 | #:log-file "/var/log/guix-data-service/process-jobs.log")) | |
130 | (stop #~(make-kill-destructor)))))) | |
131 | ||
132 | (define (guix-data-service-activation config) | |
133 | #~(begin | |
134 | (use-modules (guix build utils)) | |
135 | ||
136 | (define %user (getpw "guix-data-service")) | |
137 | ||
138 | (chmod "/var/lib/guix-data-service" #o755) | |
139 | ||
140 | (mkdir-p "/var/log/guix-data-service") | |
141 | ||
142 | ;; Allow writing the PID file | |
143 | (mkdir-p "/var/run/guix-data-service") | |
144 | (chown "/var/run/guix-data-service" | |
145 | (passwd:uid %user) | |
146 | (passwd:gid %user)))) | |
147 | ||
148 | (define (guix-data-service-account config) | |
149 | (match-record config <guix-data-service-configuration> | |
150 | (user group) | |
151 | (list (user-group | |
152 | (name group) | |
153 | (system? #t)) | |
154 | (user-account | |
155 | (name user) | |
156 | (group group) | |
157 | (system? #t) | |
158 | (comment "Guix Data Service user") | |
159 | (home-directory "/var/lib/guix-data-service") | |
160 | (shell (file-append shadow "/sbin/nologin")))))) | |
161 | ||
162 | (define (guix-data-service-getmail-configuration config) | |
163 | (match config | |
164 | (($ <guix-data-service-configuration> package user group | |
165 | port host | |
166 | #f #f) | |
167 | '()) | |
168 | (($ <guix-data-service-configuration> package user group | |
169 | port host | |
170 | getmail-idle-mailboxes | |
171 | commits-getmail-retriever-configuration) | |
172 | (list | |
173 | (getmail-configuration | |
174 | (name 'guix-data-service) | |
175 | (user user) | |
176 | (group group) | |
177 | (directory "/var/lib/getmail/guix-data-service") | |
178 | (rcfile | |
179 | (getmail-configuration-file | |
180 | (retriever commits-getmail-retriever-configuration) | |
181 | (destination | |
182 | (getmail-destination-configuration | |
183 | (type "MDA_external") | |
184 | (path (file-append | |
185 | package | |
186 | "/bin/guix-data-service-process-branch-updated-email")))) | |
187 | (options | |
188 | (getmail-options-configuration | |
189 | (read-all #f) | |
190 | (delivered-to #f) | |
191 | (received #f))))) | |
192 | (idle getmail-idle-mailboxes)))))) | |
193 | ||
194 | (define guix-data-service-type | |
195 | (service-type | |
196 | (name 'guix-data-service) | |
197 | (extensions | |
198 | (list | |
199 | (service-extension profile-service-type | |
200 | guix-data-service-profile-packages) | |
201 | (service-extension shepherd-root-service-type | |
202 | guix-data-service-shepherd-services) | |
203 | (service-extension activation-service-type | |
204 | guix-data-service-activation) | |
205 | (service-extension account-service-type | |
206 | guix-data-service-account) | |
207 | (service-extension getmail-service-type | |
208 | guix-data-service-getmail-configuration))) | |
209 | (default-value | |
210 | (guix-data-service-configuration)) | |
211 | (description | |
212 | "Run an instance of the Guix Data Service."))) |