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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2018 Ludovic Courtès <ludo@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 (guix ci)
#:use-module (guix http-client)
#:autoload (json parser) (json->scm)
#:use-module (srfi srfi-9)
#:export (build?
build-id
build-derivation
build-system
build-status
build-timestamp
%query-limit
queued-builds
latest-builds))
;;; Commentary:
;;;
;;; This module provides a client to the HTTP interface of the Hydra and
;;; Cuirass continuous integration (CI) tools.
;;;
;;; Code:
(define-record-type <build>
(make-build id derivation system status timestamp)
build?
(id build-id) ;integer
(derivation build-derivation) ;string | #f
(system build-system) ;string
(status build-status) ;integer
(timestamp build-timestamp)) ;integer
(define %query-limit
;; Max number of builds requested in queries.
1000)
(define (json-fetch url)
(let* ((port (http-fetch url))
(json (json->scm port)))
(close-port port)
json))
(define (json->build json)
(make-build (hash-ref json "id")
(hash-ref json "derivation")
(hash-ref json "system")
(hash-ref json "buildstatus")
(hash-ref json "timestamp")))
(define* (queued-builds url #:optional (limit %query-limit))
"Return the list of queued derivations on URL."
(let ((queue (json-fetch (string-append url "/api/queue?nr="
(number->string limit)))))
(map json->build queue)))
(define* (latest-builds url #:optional (limit %query-limit))
(let ((latest (json-fetch (string-append url "/api/latestbuilds?nr="
(number->string limit)))))
;; Note: Hydra does not provide a "derivation" field for entries in
;; 'latestbuilds', but Cuirass does.
(map json->build latest)))
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