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;;; Guix Build Coordinator
;;;
;;; Copyright © 2020 Christopher Baines <mail@cbaines.net>
;;;
;;; This file is part of the guix-build-coordinator.
;;;
;;; The Guix Build Coordinator 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.
;;;
;;; The Guix Build Coordinator 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/>.
(define-module (guix-build-coordinator hooks)
#:use-module (srfi srfi-1)
#:use-module (ice-9 match)
#:use-module (gcrypt pk-crypto)
#:use-module (guix pki)
#:use-module (guix config)
#:use-module (guix build utils)
#:use-module (guix-build-coordinator config)
#:use-module (guix-build-coordinator utils)
#:use-module (guix-build-coordinator datastore)
#:use-module (guix-build-coordinator coordinator)
#:export (default-build-success-hook
build-success-publish-hook
build-success-s3-publish-hook
default-build-failure-hook
default-build-missing-inputs-hook))
(define (default-build-success-hook datastore build-id)
(let ((agent-id
(datastore-agent-for-build datastore build-id)))
(display
(simple-format #f
"build ~A succeeded (on agent ~A)\n"
build-id agent-id)
(current-error-port))))
(define* (build-success-publish-hook
publish-directory
#:key
(public-key (read-file-sexp %public-key-file))
(private-key (read-file-sexp %private-key-file))
post-publish-hook)
(mkdir-p (string-append publish-directory "/nar/lzip"))
(lambda (datastore build-id)
(let* ((build-details
(datastore-find-build datastore build-id))
(derivation-name
(assq-ref build-details 'derivation-name)))
(for-each
(lambda (output)
(let* ((output-name
(assq-ref output 'name))
(output-filename
(assq-ref output 'output))
(nar-location
(build-output-file-location datastore build-id
output-name))
(nar-filename
(string-append "nar/lzip/"
(basename output-filename)))
(nar-destination
(string-append publish-directory "/"
nar-filename))
(narinfo-filename
(string-append (string-take (basename output-filename) 32)
".narinfo"))
(narinfo-location
(string-append publish-directory "/"
narinfo-filename)))
(copy-file nar-location nar-destination)
(call-with-output-file narinfo-location
(lambda (port)
(display (narinfo-string
output-filename
(assq-ref output 'hash)
(assq-ref output 'size)
(vector->list
(assq-ref output 'references))
`((lzip ,(stat:size (stat nar-location #f))))
#:system (datastore-find-derivation-system
datastore
derivation-name)
#:derivation derivation-name
#:public-key public-key
#:private-key private-key)
port)))
(when post-publish-hook
(post-publish-hook publish-directory
narinfo-filename
nar-filename))))
(datastore-list-build-outputs datastore build-id)))))
(define* (build-success-s3-publish-hook
s3-bucket
#:key
(command-line-arguments '())
(public-key (read-file-sexp %public-key-file))
(private-key (read-file-sexp %private-key-file)))
(define (s3-file-exists? name)
(if (null?
(retry-on-error
(lambda ()
(s3-list-objects s3-bucket name
#:command-line-arguments
command-line-arguments))
#:times 6
#:delay 20))
#f
#t))
(let ((temp-dir (string-append (%config 'data-dir)
"/temp-s3-uploads")))
(unless (file-exists? temp-dir)
(mkdir temp-dir))
(build-success-publish-hook
temp-dir
#:public-key public-key
#:private-key private-key
#:post-publish-hook
(lambda (directory narinfo-filename nar-filename)
(unless (s3-file-exists? narinfo-filename)
(retry-on-error
(lambda ()
(s3-cp s3-bucket
(string-append directory "/" nar-filename)
nar-filename
#:command-line-arguments
command-line-arguments))
#:times 6
#:delay 20)
(retry-on-error
(lambda ()
(s3-cp s3-bucket
(string-append directory "/" narinfo-filename)
narinfo-filename
#:command-line-arguments
command-line-arguments))
#:times 6
#:delay 20))
(delete-file (string-append directory "/" narinfo-filename))
(delete-file (string-append directory "/" nar-filename))))))
(define (default-build-failure-hook datastore build-id)
(let ((agent-id
(datastore-agent-for-build datastore build-id)))
(display
(simple-format #f
"build ~A failed (on agent ~A)\n"
build-id agent-id)
(current-error-port))))
(define (default-build-missing-inputs-hook datastore build-id missing-inputs)
(let ((build (datastore-find-build datastore build-id)))
(let ((derivation-inputs
(datastore-find-derivation-inputs datastore
(assq-ref build 'derivation-name))))
(simple-format #t "missing-inputs: ~A\n~A\n"
build-id
(string-join (map (lambda (input)
(string-append " - " input))
missing-inputs)
"\n"))
(for-each (lambda (missing-input)
(let ((input-derivation
(any (lambda (derivation-input)
(if (string=? (assq-ref derivation-input 'output)
missing-input)
(assq-ref derivation-input 'derivation)
#f))
derivation-inputs)))
(unless input-derivation
(error "couldn't find a derivation for " missing-input))
(let ((builds-for-output
(datastore-list-builds-for-output datastore
missing-input)))
(if (null? builds-for-output)
(begin
(simple-format #t
"submitting build for ~A\n"
input-derivation)
(submit-build datastore input-derivation))
(simple-format #t "~A builds exist for ~A, skipping\n"
(length builds-for-output)
missing-input)))))
missing-inputs))))
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