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;;; guix-forge --- Guix software forge meta-service
;;; Copyright © 2021, 2022 Arun Isaac <arunisaac@systemreboot.net>
;;;
;;; This file is part of guix-forge.
;;;
;;; guix-forge 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.
;;;
;;; guix-forge 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 guix-forge. If not, see
;;; <https://www.gnu.org/licenses/>.
(define-module (forge laminar)
#:use-module (gnu)
#:use-module (srfi srfi-1)
#:use-module (gnu packages ci)
#:use-module (gnu services ci)
#:use-module (guix records)
#:export (forge-laminar-service-type
forge-laminar-configuration
forge-laminar-configuration?
forge-laminar-configuration-state-directory
forge-laminar-configuration-jobs
forge-laminar-job
forge-laminar-job?
this-forge-laminar-job
forge-laminar-job-name
forge-laminar-job-run
forge-laminar-job-after
forge-laminar-group
forge-laminar-group?
forge-laminar-group-name
forge-laminar-group-regex))
(define-record-type* <forge-laminar-configuration>
forge-laminar-configuration make-forge-laminar-configuration
forge-laminar-configuration?
(state-directory forge-laminar-configuration-state-directory
(default "/var/lib/laminar"))
(jobs forge-laminar-configuration-jobs
(default '()))
(groups forge-laminar-configuration-groups
(default '())))
(define-record-type* <forge-laminar-job>
forge-laminar-job make-forge-laminar-job
forge-laminar-job?
this-forge-laminar-job
(name forge-laminar-job-name)
(run forge-laminar-job-run (thunked))
(after forge-laminar-job-after
(default #f)))
(define-record-type* <forge-laminar-group>
forge-laminar-group make-forge-laminar-group
forge-laminar-group?
(name forge-laminar-group-name)
(regex forge-laminar-group-regex))
(define (forge-laminar-activation config)
(let* ((state-directory (forge-laminar-configuration-state-directory config))
(configuration-directory (string-append state-directory "/cfg"))
(groups-configuration (string-append configuration-directory "/groups.conf"))
(jobs-directory (string-append configuration-directory "/jobs")))
#~(begin
(use-modules (srfi srfi-26))
;; Ensure configuration directory exists.
(mkdir-p #$configuration-directory)
;; Configure groups.
(when (file-exists? #$groups-configuration)
(delete-file #$groups-configuration))
(symlink
#$(plain-file "laminar-groups"
(string-join (map (lambda (group)
(string-append (forge-laminar-group-name group)
"="
(forge-laminar-group-regex group)))
(forge-laminar-configuration-groups config))
"\n"))
#$groups-configuration)
;; Create jobs directory and populate with job scripts.
(mkdir-p #$(dirname jobs-directory))
(when (file-exists? #$jobs-directory)
(delete-file #$jobs-directory))
(symlink
#$(file-union "laminar-jobs"
(append-map (lambda (job)
(let ((name (forge-laminar-job-name job))
(run (forge-laminar-job-run job))
(after (forge-laminar-job-after job)))
(cons (let ((run-name (string-append name ".run")))
(list run-name
(program-file run-name run)))
(if after
(list (let ((after-name (string-append name ".after")))
(list after-name
(program-file after-name after))))
(list)))))
(forge-laminar-configuration-jobs config)))
#$jobs-directory)
;; Set permissions for laminar directory.
(for-each (lambda (file)
(let ((user (getpw "laminar")))
(chown file (passwd:uid user) (passwd:gid user))))
(find-files #$state-directory
(lambda (file stat)
(memq (stat:type stat)
'(regular directory)))
#:directories? #t)))))
(define forge-laminar-service-type
(service-type
(name 'forge-laminar)
(description "Run forge-laminar.")
(extensions (list (service-extension activation-service-type
forge-laminar-activation)
;; Extend the laminar service with a dummy value,
;; thus requiring it.
(service-extension laminar-service-type
(const #t))))
(compose concatenate)
(extend (lambda (config extended-values)
(forge-laminar-configuration
(inherit config)
(jobs (append (forge-laminar-configuration-jobs config)
(filter forge-laminar-job? extended-values)))
(groups (append (forge-laminar-configuration-groups config)
(filter forge-laminar-group? extended-values))))))
(default-value (forge-laminar-configuration))))
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