blob: 815f493bbf73c82d4947276d033927637c770e80 (
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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
#!@GUILE@ --no-auto-compile
-*- scheme -*-
-*- geiser-scheme-implementation: guile -*-
!#
;;; Guix Build Coordinator
;;;
;;; Copyright © 2020 Christopher Baines <mail@cbaines.net>
;;;
;;; This file is part of the guix-build-coordinator.
;;;
;;; guix-data-service 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.
;;;
;;; guix-data-service 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 the guix-data-service. If not, see
;;; <http://www.gnu.org/licenses/>.
(use-modules (srfi srfi-1)
(srfi srfi-11)
(ice-9 match)
(ice-9 textual-ports)
(rnrs bytevectors)
(json)
(web uri)
(web client))
(define %guix-data-service-host "data.guix.gnu.org")
(define %processed-commits-file "processed-revisions")
;; This gets populated from a file on startup
(define processed-commits-hash
(make-hash-table 1024))
(when (file-exists? %processed-commits-file)
(call-with-input-file %processed-commits-file
(lambda (port)
(let ((commits
(string-split (get-string-all port) #\newline)))
(for-each (lambda (commit)
(unless (string-null? commit)
(simple-format #t "marking ~A as already processed\n"
commit)
(hash-set! processed-commits-hash
commit
#t)))
commits)))))
(define processed-derivations-hash
(make-hash-table 102400))
(define* (guix-data-service-request path #:optional (query-parameters '()))
(define uri
(string->uri (string-append
"https://"
%guix-data-service-host
path
(if (null? query-parameters)
""
(string-append
"?"
(string-join
(map (match-lambda
((key . value)
(simple-format #f "~A=~A" key value)))
query-parameters)
"&"))))))
(let-values (((response body) (http-get uri)))
(json-string->scm (utf8->string body))))
(define (unseen-revisions)
(let ((data (guix-data-service-request "/repository/1/branch/master.json")))
(filter-map (lambda (entry)
(let ((commit (assoc-ref entry "commit-hash")))
(and (not (hash-ref processed-commits-hash
commit))
(assoc-ref entry "data_available")
commit)))
(vector->list
(assoc-ref data "revisions")))))
(define (record-revision-as-processed commit)
(let ((port (open-file "processed-revisions" "a")))
(simple-format port "~A\n" commit)
(close-port port))
(hash-set! processed-commits-hash commit #t))
(define (channel-instance-derivations-for-commit commit system)
(let ((data (guix-data-service-request
(string-append "/revision/" commit "/channel-instances.json"))))
(filter-map (lambda (entry)
(if (string=? system
(assoc-ref entry "system"))
(assoc-ref entry "derivation")
#f))
(vector->list
(assoc-ref data "channel_instances")))))
(define (package-derivations-for-commit commit)
(let ((data (guix-data-service-request
(string-append "/revision/" commit "/package-derivations.json")
'((system . "x86_64-linux")
(target . "none")
(field . "(no-additional-fields)")
(all_results . "on")))))
(map (lambda (entry)
(assoc-ref entry "derivation"))
(vector->list
(assoc-ref data "derivations")))))
(define (record-derivations-as-processed derivations)
(for-each (lambda (derivation)
(hash-set! processed-derivations-hash
derivation
#t))
derivations))
(define* (submit-build derivation #:key (priority 0))
(let ((exit-code
(system* "guix-build-coordinator" "build"
;; Currently submitting builds performs an allocation. Ideally this
;; would just mark the plan as dirty to avoid repeatedly
;; re-allocating builds. Until that point, pass this flag to skip
;; allocating builds.
"--defer-allocation"
;; For the use case of providing substitutes, just build each
;; output once.
"--ignore-if-build-for-derivation-exists"
"--ignore-if-build-for-outputs-exists"
;; The Guix Build Coordinator will automatically add builds for
;; inputs if the required output isn't available, but to ensure
;; this derivation, and all the related derivations have been built
;; and the outputs stored, instruct the Guix Build Coordinator to
;; add the builds upfront.
"--ensure-all-related-derivations-have-builds"
(simple-format #f "--priority=~A" priority)
derivation)))
(unless (zero? exit-code)
(error "build command failed"))))
(define (submit-builds-for-revision commit)
(simple-format #t "looking at revision ~A\n" commit)
(for-each (lambda (derivation)
(submit-build derivation #:priority 1000))
(channel-instance-derivations-for-commit commit "x86_64-linux"))
(let ((unprocessed-package-derivations
(filter (lambda (derivation)
(not (hash-ref processed-derivations-hash derivation)))
(package-derivations-for-commit commit))))
(for-each submit-build unprocessed-package-derivations)
(record-derivations-as-processed unprocessed-package-derivations)))
(define (main)
(while #t
(for-each (lambda (commit)
(submit-builds-for-revision commit)
(record-revision-as-processed commit))
(unseen-revisions))
(sleep 3600)))
(main)
|