149 lines
6.1 KiB
Scheme
149 lines
6.1 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2018, 2019, 2020, 2021 Christopher Baines <mail@cbaines.net>
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;;; Copyright © 2021, 2022 Arun Isaac <arunisaac@systemreboot.net>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify
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;;; it under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation, either version 3 of the License, or
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;;; (at your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful,
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;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu services ci)
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#:use-module (guix gexp)
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#:use-module (guix records)
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#:use-module (gnu packages admin)
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#:use-module (gnu packages ci)
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#:use-module (gnu services)
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#:use-module (gnu services base)
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#:use-module (gnu services shepherd)
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#:use-module (gnu services admin)
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#:use-module (gnu system shadow)
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#:use-module (ice-9 match)
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#:export (laminar-configuration
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laminar-configuration?
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laminar-configuration-home-directory
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laminar-configuration-supplementary-groups
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laminar-configuration-bind-http
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laminar-configuration-bind-rpc
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laminar-configuration-title
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laminar-configuration-keep-rundirs
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laminar-configuration-archive-url
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laminar-configuration-base-url
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laminar-service-type))
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;;;; Commentary:
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;;;
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;;; This module implements a service that to run instances of Laminar, a
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;;; continuous integration tool.
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;;;
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;;;; Code:
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(define-record-type* <laminar-configuration>
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laminar-configuration make-laminar-configuration
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laminar-configuration?
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(laminar laminars-configuration-laminar
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(default laminar))
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(home-directory laminar-configuration-home-directory
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(default "/var/lib/laminar"))
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(supplementary-groups laminar-configuration-supplementary-groups
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(default '()))
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(bind-http laminar-configuration-bind-http
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(default "*:8080"))
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(bind-rpc laminar-configuration-bind-rpc
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(default "unix-abstract:laminar"))
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(title laminar-configuration-title
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(default "Laminar"))
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(keep-rundirs laminar-keep-rundirs
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(default 0))
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(archive-url laminar-archive-url
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(default #f))
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(base-url laminar-base-url
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(default #f)))
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(define laminar-shepherd-service
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(match-lambda
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(($ <laminar-configuration> laminar home-directory supplementary-groups
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bind-http bind-rpc
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title keep-rundirs archive-url
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base-url)
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(list (shepherd-service
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(documentation "Run Laminar.")
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(provision '(laminar))
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(requirement '(networking))
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(start #~(make-forkexec-constructor
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(list #$(file-append laminar "/sbin/laminard"))
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#:environment-variables
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`(,(string-append "LAMINAR_HOME="
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#$home-directory)
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,(string-append "LAMINAR_BIND_HTTP="
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#$bind-http)
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,(string-append "LAMINAR_BIND_RPC="
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#$bind-rpc)
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,(string-append "LAMINAR_TITLE="
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#$title)
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,(string-append "LAMINAR_KEEP_RUNDIRS="
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#$(number->string
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keep-rundirs))
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,@(if #$archive-url
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(list
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(string-append "LAMINAR_ARCHIVE_URL="
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#$archive-url))
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'())
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,@(if #$base-url
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(list
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(string-append "LAMINAR_BASE_URL="
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#$base-url))
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'()))
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#:user "laminar"
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#:group "laminar"
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#:supplementary-groups '#$supplementary-groups))
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(stop #~(make-kill-destructor)))))))
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(define (laminar-account config)
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"Return the user accounts and user groups for CONFIG."
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(list (user-group
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(name "laminar")
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(system? #t))
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(user-account
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(name "laminar")
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(group "laminar")
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(supplementary-groups
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(laminar-configuration-supplementary-groups config))
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(system? #t)
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(comment "Laminar privilege separation user")
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(home-directory (laminar-configuration-home-directory config))
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(shell #~(string-append #$shadow "/sbin/nologin")))))
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(define (laminar-activation config)
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(let ((bind-http (laminar-configuration-bind-http config)))
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#~(begin
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;; If listen is a unix socket, create its parent directory.
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(when (string-prefix? "unix:" #$bind-http)
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(let ((run-directory
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(dirname (substring #$bind-http (string-length "unix:"))))
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(user (getpw "laminar")))
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(mkdir-p run-directory)
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(chown run-directory (passwd:uid user) (passwd:gid user)))))))
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(define laminar-service-type
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(service-type
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(name 'laminar)
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(extensions
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(list
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(service-extension shepherd-root-service-type laminar-shepherd-service)
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(service-extension account-service-type laminar-account)
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(service-extension activation-service-type laminar-activation)))
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(default-value (laminar-configuration))
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(description
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"Run the Laminar continuous integration service.")))
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