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* gnu/home/services/shepherd.scm (<home-shepherd-configuration>)[shepherd]: Default to SHEPHERD-0.9. (home-shepherd-configuration-file): Use 'start-in-the-background' when it is defined.
150 lines
5.8 KiB
Scheme
150 lines
5.8 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2021 Andrew Tropin <andrew@trop.in>
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;;; Copyright © 2021 Xinglu Chen <public@yoctocell.xyz>
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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 it
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;;; 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 (at
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;;; 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, but
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;;; 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 home services shepherd)
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#:use-module (gnu home services)
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#:use-module (gnu packages admin)
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#:use-module (gnu services shepherd)
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#:use-module (guix sets)
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#:use-module (guix gexp)
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#:use-module (guix records)
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#:use-module (srfi srfi-1)
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#:export (home-shepherd-service-type
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home-shepherd-configuration
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home-shepherd-configuration?
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home-shepherd-configuration-shepherd
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home-shepherd-configuration-auto-start?
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home-shepherd-configuration-services)
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#:re-export (shepherd-service
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shepherd-service?
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shepherd-service-documentation
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shepherd-service-provision
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shepherd-service-canonical-name
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shepherd-service-requirement
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shepherd-service-one-shot?
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shepherd-service-respawn?
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shepherd-service-start
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shepherd-service-stop
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shepherd-service-auto-start?
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shepherd-service-modules
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shepherd-action))
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(define-record-type* <home-shepherd-configuration>
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home-shepherd-configuration make-home-shepherd-configuration
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home-shepherd-configuration?
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(shepherd home-shepherd-configuration-shepherd
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(default shepherd-0.9)) ; package
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(auto-start? home-shepherd-configuration-auto-start?
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(default #t))
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(services home-shepherd-configuration-services
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(default '())))
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(define (home-shepherd-configuration-file services shepherd)
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"Return the shepherd configuration file for SERVICES. SHEPHERD is used
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as shepherd package."
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(assert-valid-graph services)
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(let ((files (map shepherd-service-file services))
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;; TODO: Add compilation of services, it can improve start
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;; time.
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;; (scm->go (cute scm->go <> shepherd))
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)
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(define config
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#~(begin
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(use-modules (srfi srfi-34)
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(system repl error-handling))
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(apply
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register-services
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(map
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(lambda (file) (load file))
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'#$files))
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(action 'root 'daemonize)
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(format #t "Starting services...~%")
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(let ((services-to-start
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'#$(append-map shepherd-service-provision
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(filter shepherd-service-auto-start?
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services))))
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(if (defined? 'start-in-the-background)
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(start-in-the-background services-to-start)
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(for-each start services-to-start)))))
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(scheme-file "shepherd.conf" config)))
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(define (launch-shepherd-gexp config)
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(let* ((shepherd (home-shepherd-configuration-shepherd config))
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(services (home-shepherd-configuration-services config)))
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(if (home-shepherd-configuration-auto-start? config)
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(with-imported-modules '((guix build utils))
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#~(let ((log-dir (or (getenv "XDG_LOG_HOME")
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(format #f "~a/.local/var/log" (getenv "HOME")))))
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((@ (guix build utils) mkdir-p) log-dir)
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(system*
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#$(file-append shepherd "/bin/shepherd")
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"--logfile"
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(string-append
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log-dir
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"/shepherd.log")
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"--config"
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#$(home-shepherd-configuration-file services shepherd))))
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#~"")))
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(define (reload-configuration-gexp config)
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(let* ((shepherd (home-shepherd-configuration-shepherd config))
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(services (home-shepherd-configuration-services config)))
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#~(system*
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#$(file-append shepherd "/bin/herd")
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"load" "root"
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#$(home-shepherd-configuration-file services shepherd))))
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(define (ensure-shepherd-gexp config)
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#~(if (file-exists?
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(string-append
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(or (getenv "XDG_RUNTIME_DIR")
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(format #f "/run/user/~a" (getuid)))
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"/shepherd/socket"))
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#$(reload-configuration-gexp config)
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#$(launch-shepherd-gexp config)))
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(define-public home-shepherd-service-type
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(service-type (name 'home-shepherd)
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(extensions
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(list (service-extension
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home-run-on-first-login-service-type
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launch-shepherd-gexp)
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(service-extension
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home-activation-service-type
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ensure-shepherd-gexp)
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(service-extension
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home-profile-service-type
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(lambda (config)
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`(,(home-shepherd-configuration-shepherd config))))))
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(compose concatenate)
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(extend
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(lambda (config extra-services)
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(home-shepherd-configuration
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(inherit config)
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(services
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(append (home-shepherd-configuration-services config)
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extra-services)))))
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(default-value (home-shepherd-configuration))
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(description "Configure and install userland Shepherd.")))
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