aboutsummaryrefslogtreecommitdiff
path: root/gnu/services/cuirass.scm
blob: 6beabc4b3bfe69960931baae2babc269300365f5 (plain)
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
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
;;; Copyright © 2016, 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;;
;;; 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 cuirass)
  #:use-module (guix gexp)
  #:use-module (guix records)
  #:use-module (gnu packages admin)
  #:autoload   (gnu packages ci) (cuirass)
  #:use-module (gnu services)
  #:use-module (gnu services base)
  #:use-module (gnu services shepherd)
  #:use-module (gnu system shadow)
  #:export (<cuirass-configuration>
            cuirass-configuration
            cuirass-configuration?

            cuirass-service-type))

;;;; Commentary:
;;;
;;; This module implements a service that to run instances of Cuirass, a
;;; continuous integration tool.
;;;
;;;; Code:

(define-record-type* <cuirass-configuration>
  cuirass-configuration make-cuirass-configuration
  cuirass-configuration?
  (cuirass          cuirass-configuration-cuirass ;package
                    (default cuirass))
  (log-file         cuirass-configuration-log-file ;string
                    (default "/var/log/cuirass.log"))
  (cache-directory  cuirass-configuration-cache-directory ;string (dir-name)
                    (default "/var/cache/cuirass"))
  (user             cuirass-configuration-user ;string
                    (default "cuirass"))
  (group            cuirass-configuration-group ;string
                    (default "cuirass"))
  (interval         cuirass-configuration-interval ;integer (seconds)
                    (default 60))
  (database         cuirass-configuration-database ;string (file-name)
                    (default "/var/run/cuirass/cuirass.db"))
  (port             cuirass-configuration-port ;integer (port)
                    (default 8080))
  (specifications   cuirass-configuration-specifications)
                                  ;gexp that evaluates to specification-alist
  (use-substitutes? cuirass-configuration-use-substitutes? ;boolean
                    (default #f))
  (one-shot?        cuirass-configuration-one-shot? ;boolean
                    (default #f))
  (load-path        cuirass-configuration-load-path
                    (default '())))

(define (cuirass-shepherd-service config)
  "Return a <shepherd-service> for the Cuirass service with CONFIG."
  (and
   (cuirass-configuration? config)
   (let ((cuirass          (cuirass-configuration-cuirass config))
         (cache-directory  (cuirass-configuration-cache-directory config))
         (log-file         (cuirass-configuration-log-file config))
         (user             (cuirass-configuration-user config))
         (group            (cuirass-configuration-group config))
         (interval         (cuirass-configuration-interval config))
         (database         (cuirass-configuration-database config))
         (port             (cuirass-configuration-port config))
         (specs            (cuirass-configuration-specifications config))
         (use-substitutes? (cuirass-configuration-use-substitutes? config))
         (one-shot?        (cuirass-configuration-one-shot? config))
         (load-path        (cuirass-configuration-load-path config)))
     (list (shepherd-service
            (documentation "Run Cuirass.")
            (provision '(cuirass))
            (requirement '(guix-daemon networking))
            (start #~(make-forkexec-constructor
                      (list (string-append #$cuirass "/bin/cuirass")
                            "--cache-directory" #$cache-directory
                            "--specifications"
                            #$(scheme-file "cuirass-specs.scm" specs)
                            "--database" #$database
                            "--port" #$(number->string port)
                            "--interval" #$(number->string interval)
                            #$@(if use-substitutes? '("--use-substitutes") '())
                            #$@(if one-shot? '("--one-shot") '())
                            #$@(if (null? load-path) '()
                                 `("--load-path" ,(string-join load-path ":"))))
                      #:user #$user
                      #:group #$group
                      #:log-file #$log-file))
            (stop #~(make-kill-destructor)))))))

(define (cuirass-account config)
  "Return the user accounts and user groups for CONFIG."
  (let ((cuirass-user  (cuirass-configuration-user config))
        (cuirass-group (cuirass-configuration-group config)))
    (list (user-group
           (name cuirass-group)
           (system? #t))
          (user-account
           (name cuirass-user)
           (group cuirass-group)
           (system? #t)
           (comment "Cuirass privilege separation user")
           (home-directory (string-append "/var/run/" cuirass-user))
           (shell #~(string-append #$shadow "/sbin/nologin"))))))

(define (cuirass-activation config)
  "Return the activation code for CONFIG."
  (let ((cache (cuirass-configuration-cache-directory config))
        (db    (dirname (cuirass-configuration-database config)))
        (user  (cuirass-configuration-user config))
        (group (cuirass-configuration-group config)))
    (with-imported-modules '((guix build utils))
      #~(begin
          (use-modules (guix build utils))

          (mkdir-p #$cache)
          (mkdir-p #$db)

          (let ((uid (passwd:uid (getpw #$user)))
                (gid (group:gid (getgr #$group))))
            (chown #$cache uid gid)
            (chown #$db uid gid))))))

(define cuirass-service-type
  (service-type
   (name 'cuirass)
   (extensions
    (list
     (service-extension profile-service-type      ;for 'info cuirass'
                        (compose list cuirass-configuration-cuirass))
     (service-extension activation-service-type cuirass-activation)
     (service-extension shepherd-root-service-type cuirass-shepherd-service)
     (service-extension account-service-type cuirass-account)))))