blob: 21ac70e56aaee40566d59b185b6ad391385cf4c4 (
plain) (
blame)
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
|
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2020, 2022 Mathieu Othacehe <othacehe@gnu.org>
;;;
;;; 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 image)
#:use-module (guix platform)
#:use-module (guix records)
#:use-module (guix diagnostics)
#:use-module (guix i18n)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-34)
#:use-module (srfi srfi-35)
#:export (partition
partition?
partition-device
partition-size
partition-offset
partition-file-system
partition-file-system-options
partition-label
partition-uuid
partition-flags
partition-initializer
image
image?
image-name
image-format
image-platform
image-size
image-operating-system
image-partition-table-type
image-partitions
image-compression?
image-volatile-root?
image-shared-store?
image-shared-network?
image-substitutable?
image-type
image-type?
image-type-name
image-type-constructor
os->image
os+platform->image))
;;;
;;; Sanitizers.
;;;
(define-with-syntax-properties (validate-size (value properties))
(unless (and value
(or (eq? value 'guess) (integer? value)))
(raise
(make-compound-condition
(condition
(&error-location
(location (source-properties->location properties))))
(formatted-message
(G_ "size (~a) can only be 'guess or a numeric expression ~%")
value 'field))))
value)
;;;
;;; Partition record.
;;;
(define-with-syntax-properties (validate-partition-offset (value properties))
(unless (and value (integer? value))
(raise
(make-compound-condition
(condition
(&error-location
(location (source-properties->location properties))))
(formatted-message
(G_ "the partition offset (~a) can only be a \
numeric expression ~%") value 'field))))
value)
(define-with-syntax-properties (validate-partition-flags (value properties))
(let ((bad-flags (lset-difference eq? value '(boot esp))))
(unless (and (list? value) (null? bad-flags))
(raise
(make-compound-condition
(condition
(&error-location
(location (source-properties->location properties))))
(formatted-message
(G_ "unsupported partition flag(s): ~a ~%") bad-flags)))))
value)
(define-record-type* <partition> partition make-partition
partition?
(device partition-device (default #f))
(size partition-size ;size in bytes as integer or 'guess
(sanitize validate-size))
(offset partition-offset
(default 0) ;offset in bytes as integer
(sanitize validate-partition-offset))
(file-system partition-file-system
(default "ext4")) ;string
(file-system-options partition-file-system-options
(default '())) ;list of strings
(label partition-label) ;string
(uuid partition-uuid
(default #f)) ;<uuid>
(flags partition-flags
(default '()) ;list of symbols
(sanitize validate-partition-flags))
(initializer partition-initializer
(default #f))) ;gexp | #f
;;;
;;; Image record.
;;;
(define-syntax-rule (define-set-sanitizer name field set)
"Define NAME as a procedure or macro that raises an error if passed a value
that is not in SET, mentioning FIELD in the error message."
(define-with-syntax-properties (name (value properties))
(unless (memq value 'set)
(raise
(make-compound-condition
(condition
(&error-location
(location (source-properties->location properties))))
(formatted-message (G_ "~s: invalid '~a' value") value 'field))))
value))
(define-set-sanitizer validate-image-format format
(disk-image compressed-qcow2 docker iso9660))
(define-set-sanitizer validate-partition-table-type partition-table-type
(mbr gpt))
(define-record-type* <image>
image make-image
image?
(name image-name ;symbol
(default #f))
(format image-format ;symbol
(sanitize validate-image-format))
(platform image-platform ;<platform>
(default #f))
(size image-size ;size in bytes as integer
(default 'guess)
(sanitize validate-size))
(operating-system image-operating-system ;<operating-system>
(default #f))
(partition-table-type image-partition-table-type ; 'mbr or 'gpt
(default 'mbr)
(sanitize validate-partition-table-type))
(partitions image-partitions ;list of <partition>
(default '()))
(compression? image-compression? ;boolean
(default #t))
(volatile-root? image-volatile-root? ;boolean
(default #t))
(shared-store? image-shared-store? ;boolean
(default #f))
(shared-network? image-shared-network? ;boolean
(default #f))
(substitutable? image-substitutable? ;boolean
(default #t)))
;;;
;;; Image type.
;;;
(define-record-type* <image-type>
image-type make-image-type
image-type?
(name image-type-name) ;symbol
(constructor image-type-constructor)) ;<operating-system> -> <image>
;;;
;;; Image creation.
;;;
(define* (os->image os #:key type)
(let ((constructor (image-type-constructor type)))
(constructor os)))
(define* (os+platform->image os platform #:key type)
(image
(inherit (os->image os #:type type))
(platform platform)))
|
