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services: Add Laminar.

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* gnu/services/ci.scm: New file.
* gnu/tests/ci.scm: New file.
* doc/guix.texi (Laminar): Document the Laminar service.
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@ -38,7 +38,7 @@ Copyright @copyright{} 2016, 2017 Nikita Gillmann@*
Copyright @copyright{} 2016, 2017, 2018, 2019, 2020 Jan Nieuwenhuizen@*
Copyright @copyright{} 2016, 2017, 2018, 2019, 2020 Julien Lepiller@*
Copyright @copyright{} 2016 Alex ter Weele@*
Copyright @copyright{} 2016, 2017, 2018, 2019 Christopher Baines@*
Copyright @copyright{} 2016, 2017, 2018, 2019, 2020, 2021 Christopher Baines@*
Copyright @copyright{} 2017, 2018, 2019 Clément Lassieur@*
Copyright @copyright{} 2017, 2018, 2020, 2021 Mathieu Othacehe@*
Copyright @copyright{} 2017 Federico Beffa@*
@ -342,7 +342,7 @@ Services
* DNS Services:: DNS daemons.
* VPN Services:: VPN daemons.
* Network File System:: NFS related services.
* Continuous Integration:: The Cuirass service.
* Continuous Integration:: Cuirass and Laminar services.
* Power Management Services:: Extending battery life.
* Audio Services:: The MPD.
* Virtualization Services:: Virtualization services.
@ -14820,7 +14820,7 @@ declaration.
* DNS Services:: DNS daemons.
* VPN Services:: VPN daemons.
* Network File System:: NFS related services.
* Continuous Integration:: The Cuirass service.
* Continuous Integration:: Cuirass and Laminar services.
* Power Management Services:: Extending battery life.
* Audio Services:: The MPD.
* Virtualization Services:: Virtualization services.
@ -27329,6 +27329,64 @@ the store items being published.
@end table
@end deftp
@subsubheading Laminar
@uref{https://laminar.ohwg.net/, Laminar} is a lightweight and modular
Continuous Integration service. It doesn't have a configuration web UI
instead uses version-controllable configuration files and scripts.
Laminar encourages the use of existing tools such as bash and cron
instead of reinventing them.
@defvr {Scheme Procedure} laminar-service-type
The type of the Laminar service. Its value must be a
@code{laminar-configuration} object, as described below.
All configuration values have defaults, a minimal configuration to get
Laminar running is shown below. By default, the web interface is
available on port 8080.
@lisp
(service laminar-service-type)
@end lisp
@end defvr
@deftp {Data Type} laminar-configuration
Data type representing the configuration of Laminar.
@table @asis
@item @code{laminar} (default: @code{laminar})
The Laminar package to use.
@item @code{home-directory} (default: @code{"/var/lib/laminar"})
The directory for job configurations and run directories.
@item @code{bind-http} (default: @code{"*:8080"})
The interface/port or unix socket on which laminard should listen for
incoming connections to the web frontend.
@item @code{bind-rpc} (default: @code{"unix-abstract:laminar"})
The interface/port or unix socket on which laminard should listen for
incoming commands such as build triggers.
@item @code{title} (default: @code{"Laminar"})
The page title to show in the web frontend.
@item @code{keep-rundirs} (default: @code{0})
Set to an integer defining how many rundirs to keep per job. The
lowest-numbered ones will be deleted. The default is 0, meaning all run
dirs will be immediately deleted.
@item @code{archive-url} (default: @code{#f})
The web frontend served by laminard will use this URL to form links to
artefacts archived jobs.
@item @code{base-url} (default: @code{#f})
Base URL to use for links to laminar itself.
@end table
@end deftp
@node Power Management Services
@subsection Power Management Services

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@ -0,0 +1,127 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2018, 2019, 2020, 2021 Christopher Baines <mail@cbaines.net>
;;;
;;; 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 ci)
#:use-module (guix gexp)
#:use-module (guix records)
#:use-module (gnu packages admin)
#:use-module (gnu packages ci)
#:use-module (gnu services)
#:use-module (gnu services base)
#:use-module (gnu services shepherd)
#:use-module (gnu services admin)
#:use-module (gnu system shadow)
#:use-module (ice-9 match)
#:export (laminar-configuration
laminar-configuration?
laminar-configuration-home-directory
laminar-configuration-bind-http
laminar-configuration-bind-rpc
laminar-configuration-title
laminar-configuration-keep-rundirs
laminar-configuration-archive-url
laminar-configuration-base-url
laminar-service-type))
;;;; Commentary:
;;;
;;; This module implements a service that to run instances of Laminar, a
;;; continuous integration tool.
;;;
;;;; Code:
(define-record-type* <laminar-configuration>
laminar-configuration make-laminar-configuration
laminar-configuration?
(laminar laminars-configuration-laminar
(default laminar))
(home-directory laminar-configuration-home-directory
(default "/var/lib/laminar"))
(bind-http laminar-configuration-bind-http
(default "*:8080"))
(bind-rpc laminar-configuration-bind-rpc
(default "unix-abstract:laminar"))
(title laminar-configuration-title
(default "Laminar"))
(keep-rundirs laminar-keep-rundirs
(default 0))
(archive-url laminar-archive-url
(default #f))
(base-url laminar-base-url
(default #f)))
(define laminar-shepherd-service
(match-lambda
(($ <laminar-configuration> laminar home-directory
bind-http bind-rpc
title keep-rundirs archive-url
base-url)
(list (shepherd-service
(documentation "Run Laminar.")
(provision '(laminar))
(requirement '(networking))
(start #~(make-forkexec-constructor
(list #$(file-append laminar "/sbin/laminard"))
#:environment-variables
`(,(string-append "LAMINAR_HOME="
#$home-directory)
,(string-append "LAMINAR_BIND_HTTP="
#$bind-http)
,(string-append "LAMINAR_TITLE="
#$title)
,(string-append "LAMINAR_KEEP_RUNDIRS="
#$(number->string
keep-rundirs))
,@(if #$archive-url
(list
(string-append "LAMINAR_ARCHIVE_URL="
#$archive-url))
'())
,@(if #$base-url
(list
(string-append "LAMINAR_BASE_URL="
#$base-url))
'()))
#:user "laminar"
#:group "laminar"))
(stop #~(make-kill-destructor)))))))
(define (laminar-account config)
"Return the user accounts and user groups for CONFIG."
(list (user-group
(name "laminar")
(system? #t))
(user-account
(name "laminar")
(group "laminar")
(system? #t)
(comment "Laminar privilege separation user")
(home-directory (laminar-configuration-home-directory config))
(shell #~(string-append #$shadow "/sbin/nologin")))))
(define laminar-service-type
(service-type
(name 'laminar)
(extensions
(list
(service-extension shepherd-root-service-type laminar-shepherd-service)
(service-extension account-service-type laminar-account)))
(default-value (laminar-configuration))
(description
"Run the Laminar continuous integration service.")))

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@ -0,0 +1,128 @@
;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2017, 2018, 2019, 2020, 2021 Christopher Baines <mail@cbaines.net>
;;; Copyright © 2017, 2018 Clément Lassieur <clement@lassieur.org>
;;; Copyright © 2018 Pierre-Antoine Rouby <pierre-antoine.rouby@inria.fr>
;;; Copyright © 2018 Marius Bakke <mbakke@fastmail.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 tests ci)
#:use-module (gnu tests)
#:use-module (gnu system)
#:use-module (gnu system file-systems)
#:use-module (gnu system shadow)
#:use-module (gnu system vm)
#:use-module (gnu services)
#:use-module (gnu services ci)
#:use-module (gnu services web)
#:use-module (gnu services networking)
#:use-module (guix gexp)
#:use-module (guix store)
#:export (%test-laminar))
(define %laminar-os
;; Operating system under test.
(simple-operating-system
(service dhcp-client-service-type)
(service laminar-service-type)))
(define* (run-laminar-test #:optional (http-port 8080))
"Run tests in %LAMINAR-OS, which has laminar running and listening on
HTTP-PORT."
(define os
(marionette-operating-system
%laminar-os
#:imported-modules '((gnu services herd)
(guix combinators))))
(define vm
(virtual-machine
(operating-system os)
(port-forwardings `((,http-port . 8080)))))
(define test
(with-imported-modules '((gnu build marionette))
#~(begin
(use-modules (srfi srfi-11) (srfi srfi-64)
(ice-9 match)
(gnu build marionette)
(web uri)
(web client)
(web response))
(define marionette
;; Forward the guest's HTTP-PORT, where laminar is listening, to
;; port 8080 in the host.
(make-marionette (list #$vm)))
(mkdir #$output)
(chdir #$output)
(test-begin "laminar")
(test-assert "service running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(start-service 'laminar))
marionette))
(define* (retry-on-error f #:key times delay)
(let loop ((attempt 1))
(match (catch
#t
(lambda ()
(cons #t
(f)))
(lambda args
(cons #f
args)))
((#t . return-value)
return-value)
((#f . error-args)
(if (>= attempt times)
error-args
(begin
(sleep delay)
(loop (+ 1 attempt))))))))
(test-equal "http-get"
200
(retry-on-error
(lambda ()
(let-values (((response text)
(http-get #$(format
#f
"http://localhost:~A/"
http-port)
;; TODO: Why does decoding fail?
#:decode-body? #f)))
(response-code response)))
#:times 10
#:delay 5))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
(gexp->derivation "laminar-test" test))
(define %test-laminar
(system-test
(name "laminar")
(description "Connect to a running Laminar server.")
(value (run-laminar-test))))