;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2013 Cyril Roelandt ;;; Copyright © 2014 Kevin Lemonnier ;;; Copyright © 2015, 2017 Ludovic Courtès ;;; Copyright © 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022 Efraim Flashner ;;; Copyright © 2016 Nikita ;;; Copyright © 2017 Marius Bakke ;;; Copyright © 2017–2022 Tobias Geerinckx-Rice ;;; Copyright © 2020 Oleg Pykhalov ;;; Copyright © 2020, 2021, 2022 Vinicius Monego ;;; Copyright © 2020 Jakub Kądziołka ;;; Copyright © 2020 Brett Gilio ;;; Copyright © 2021 WinterHound ;;; Copyright © 2022 Jai Vetrivelan ;;; ;;; 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
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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
;;; Copyright © 2016-2022 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2017, 2020 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2017 Jan Nieuwenhuizen <janneke@gnu.org>
;;; Copyright © 2018, 2019 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2018 Clément Lassieur <clement@lassieur.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 (gnu services cuirass)
  #:use-module (guix channels)
  #:use-module (guix gexp)
  #:use-module (guix records)
  #:use-module (guix store)
  #:use-module (guix utils)
  #:use-module (gnu packages admin)
  #:use-module (gnu packages ci)
  #:use-module (gnu packages databases)
  #:use-module (gnu packages version-control)
  #:use-module (gnu services)
  #:use-module (gnu services base)
  #:use-module (gnu services databases)
  #:use-module (gnu services shepherd)
  #:use-module (gnu services admin)
  #:use-module (gnu system shadow)
  #:use-module (srfi srfi-1)
  #:use-module (ice-9 match)
  #:export (cuirass-remote-server-configuration
            cuirass-remote-server-configuration?

            cuirass-configuration
            cuirass-configuration?
            cuirass-service-type

            cuirass-remote-worker-configuration
            cuirass-remote-worker-configuration?
            cuirass-remote-worker-service-type))

;;;; Commentary:
;;;
;;; This module implements a service that to run instances of Cuirass, a
;;; continuous integration tool.
;;;
;;;; Code:

(define %cuirass-default-database
  "dbname=cuirass")

(define-record-type* <cuirass-remote-server-configuration>
  cuirass-remote-server-configuration make-cuirass-remote-server-configuration
  cuirass-remote-server-configuration?
  (backend-port     cuirass-remote-server-configuration-backend-port ;int
                    (default 5555))
  (log-port         cuirass-remote-server-configuration-log-port ;int
                    (default 5556))
  (publish-port     cuirass-remote-server-configuration-publish-port ;int
                    (default 5557))
  (log-file         cuirass-remote-server-log-file ;string
                    (default "/var/log/cuirass-remote-server.log"))
  (cache            cuirass-remote-server-configuration-cache ;string
                    (default "/var/cache/cuirass/remote/"))
  (publish?         cuirass-remote-server-configuration-publish? ;boolean
                    (default #t))
  (trigger-url      cuirass-remote-server-trigger-url ;string
                    (default #f))
  (public-key       cuirass-remote-server-configuration-public-key ;string
                    (default #f))
  (private-key      cuirass-remote-server-configuration-private-key ;string
                    (default #f)))

(define-record-type* <cuirass-configuration>
  cuirass-configuration make-cuirass-configuration
  cuirass-configuration?
  (cuirass          cuirass-configuration-cuirass ;file-like
                    (default cuirass))
  (log-file         cuirass-configuration-log-file ;string
                    (default "/var/log/cuirass.log"))
  (web-log-file     cuirass-configuration-web-log-file ;string
                    (default "/var/log/cuirass-web.log"))
  (cache-directory  cuirass-configuration-cache-directory ;string (dir-name)
                    (default "/var/cache/cuirass"))
  (user             cuirass-configuration-user ;string
                    (default "cuirass"))
  (group            cuirass-configuration-group ;string
                    (default "cuirass"))
  (interval         cuirass-configuration-interval ;integer (seconds)
                    (default 60))
  (parameters       cuirass-configuration-parameters ;string
                    (default #f))
  (remote-server    cuirass-configuration-remote-server
                    (default #f))
  (database         cuirass-configuration-database ;string
                    (default %cuirass-default-database))
  (port             cuirass-configuration-port ;integer (port)
                    (default 8081))
  (host             cuirass-configuration-host ;string
                    (default "localhost"))
  (specifications   cuirass-configuration-specifications)
                                  ;gexp that evaluates to specification-alist
  (use-substitutes? cuirass-configuration-use-substitutes? ;boolean
                    (default #f))
  (one-shot?        cuirass-configuration-one-shot? ;boolean
                    (default #f))
  (fallback?        cuirass-configuration-fallback? ;boolean
                    (default #f))
  (extra-options    cuirass-configuration-extra-options
                    (default '())))

(define (cuirass-shepherd-service config)
  "Return a <shepherd-service> for the Cuirass service with CONFIG."
  (let ((cuirass          (cuirass-configuration-cuirass config))
        (cache-directory  (cuirass-configuration-cache-directory config))
        (web-log-file     (cuirass-configuration-web-log-file config))
        (main-log-file    (cuirass-configuration-log-file config))
        (user             (cuirass-configuration-user config))
        (group            (cuirass-configuration-group config))
        (interval         (cuirass-configuration-interval config))
        (parameters       (cuirass-configuration-parameters config))
        (remote-server    (cuirass-configuration-remote-server config))
        (database         (cuirass-configuration-database config))
        (port             (cuirass-configuration-port config))
        (host             (cuirass-configuration-host config))
        (specs            (cuirass-configuration-specifications config))
        (use-substitutes? (cuirass-configuration-use-substitutes? config))
        (one-shot?        (cuirass-configuration-one-shot? config))
        (fallback?        (cuirass-configuration-fallback? config))
        (extra-options    (cuirass-configuration-extra-options config)))
    `(,(shepherd-service
        (documentation "Run Cuirass.")
        (provision '(cuirass))
        (requirement '(guix-daemon postgres postgres-roles networking))
        (start #~(make-forkexec-constructor
                  (list (string-append #$cuirass "/bin/cuirass")
                        "register"
                        "--cache-directory" #$cache-directory
                        "--specifications"
                        #$(scheme-file "cuirass-specs.scm" specs)
                        "--database" #$database
                        "--interval" #$(number->string interval)
                        #$@(if parameters
                               (list (string-append
                                      "--parameters="
                                      parameters))
                               '())
                        #$@(if remote-server '("--build-remote") '())
                        #$@(if use-substitutes? '("--use-substitutes") '())
                        #$@(if one-shot? '("--one-shot") '())
                        #$@(if fallback? '("--fallback") '())
                        #$@extra-options)

                  #:environment-variables
                  (list "GIT_SSL_CAINFO=/etc/ssl/certs/ca-certificates.crt"
                        (string-append "GIT_EXEC_PATH=" #$git
                                       "/libexec/git-core"))

                  #:user #$user
                  #:group #$group
                  #:log-file #$main-log-file))
        (stop #~(make-kill-destructor)))
      ,(shepherd-service
        (documentation "Run Cuirass web interface.")
        (provision '(cuirass-web))
        (requirement '(cuirass))
        (start #~(make-forkexec-constructor
                  (list (string-append #$cuirass "/bin/cuirass")
                        "web"
                        "--database" #$database
                        "--listen" #$host
                        "--port" #$(number->string port)
                        #$@(if parameters
                               (list (string-append
                                      "--parameters="
                                      parameters))
                               '())
                        #$@extra-options)

                  #:user #$user
                  #:group #$group
                  #:log-file #$web-log-file))
        (stop #~(make-kill-destructor)))
      ,@(if remote-server
            (match-record remote-server <cuirass-remote-server-configuration>
              (backend-port publish-port log-file cache publish?
                            trigger-url public-key private-key)
              (list
               (shepherd-service
                (documentation "Run Cuirass remote build