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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2018, 2019, 2020, 2021 Christopher Baines <mail@cbaines.net>
;;; Copyright © 2021 Arun Isaac <arunisaac@systemreboot.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-activation config)
(let ((bind-http (laminar-configuration-bind-http config)))
#~(begin
;; If listen is a unix socket, create its parent directory.
(when (string-prefix? "unix:" #$bind-http)
(let ((run-directory
(dirname (substring #$bind-http (string-length "unix:"))))
(user (getpw "laminar")))
(mkdir-p run-directory)
(chown run-directory (passwd:uid user) (passwd:gid user)))))))
(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)
(service-extension activation-service-type laminar-activation)))
(default-value (laminar-configuration))
(description
"Run the Laminar continuous integration service.")))
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