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;;; guix-forge --- Guix software forge meta-service
;;; Copyright © 2023–2025 Arun Isaac <arunisaac@systemreboot.net>
;;; Copyright © 2024 jgart <jgart@dismail.de>
;;;
;;; 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 klaus)
#:use-module (forge environment)
#:use-module ((forge git) #:select (git-without-safe-directory-check))
#:use-module (forge gunicorn)
#:use-module (forge nginx)
#:use-module (forge socket)
#:use-module ((gnu packages version-control)
#:select (python-klaus)
#:prefix guix:)
#:use-module (gnu services)
#:use-module ((gnu services web) #:select (nginx-server-configuration
nginx-location-configuration))
#:use-module (gnu system file-systems)
#:use-module (guix deprecation)
#:use-module (guix packages)
#:use-module (guix records)
#:export (<klaus-configuration>
klaus-configuration
klaus-configuration?
klaus-configuration-python-klaus
klaus-configuration-server-name
klaus-configuration-socket
klaus-configuration-repository-directory
klaus-configuration-site-name
klaus-service-type
klaus-gunicorn-app))
(define-public python-klaus
(package
(inherit guix:python-klaus)
(inputs
;; We use klaus to serve shared repositories. But, git's safe directory
;; check does not permit us to use shared repositories. Disable it. The
;; more long term solution is to rewrite klaus to not use the git CLI at
;; all. See https://github.com/jonashaag/klaus/issues/322
(modify-inputs (package-inputs guix:python-klaus)
(replace "git-minimal" git-without-safe-directory-check)))))
(define-record-type* <klaus-configuration>
klaus-configuration make-klaus-configuration
klaus-configuration?
(python-klaus klaus-configuration-python-klaus
(default python-klaus))
(server-name klaus-configuration-server-name)
(socket klaus-configuration-socket
(default (forge-unix-socket
(path "/var/run/gunicorn/klaus/socket"))))
(repository-directory klaus-configuration-repository-directory
(default "/srv/git"))
(site-name klaus-configuration-site-name
(default #f)))
(define klaus-gunicorn-apps
(match-record-lambda <klaus-configuration>
(python-klaus socket repository-directory site-name)
(list (gunicorn-app
(name "klaus")
(package python-klaus)
(wsgi-app-module "klaus.contrib.wsgi_autoreload")
(sockets (list socket))
(environment-variables (cons (environment-variable
(name "KLAUS_REPOS_ROOT")
(value repository-directory))
(if site-name
(list (environment-variable
(name "KLAUS_SITE_NAME")
(value site-name)))
(list))))
(mappings (list (file-system-mapping
(source repository-directory)
(target source))))))))
(define klaus-nginx-server-blocks
(match-record-lambda <klaus-configuration>
(server-name socket)
(list (nginx-server-configuration
(server-name (list server-name))
(locations
(list (nginx-location-configuration
(uri "/")
(body (list (socket->nginx-proxy-pass socket))))))))))
(define klaus-service-type
(service-type
(name 'klaus)
(description "Run klaus.")
(extensions (list (service-extension gunicorn-service-type
klaus-gunicorn-apps)
(service-extension forge-nginx-service-type
klaus-nginx-server-blocks)))))
(define-deprecated (klaus-gunicorn-app repository-directory
#:key
(klaus python-klaus)
(sockets (list (forge-unix-socket
(path "/var/run/gunicorn/klaus/socket"))))
site-name)
klaus-service-type
"Return a @code{<gunicorn-app>} object to deploy klaus.
@var{repository-directory} is the path to the directory containing git
repositories to serve.
@var{klaus} is the klaus package to use.
@var{sockets} is a list of @code{<forge-ip-socket>} or
@code{<forge-unix-socket>} objects describing sockets to listen on.
@var{site-name} is the name of the klaus site to be displayed in the
banner."
(gunicorn-app
(name "klaus")
(package klaus)
(wsgi-app-module "klaus.contrib.wsgi_autoreload")
(sockets sockets)
(environment-variables (cons (environment-variable
(name "KLAUS_REPOS_ROOT")
(value repository-directory))
(if site-name
(list (environment-variable
(name "KLAUS_SITE_NAME")
(value site-name)))
(list))))
(mappings (list (file-system-mapping
(source repository-directory)
(target source))))))
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