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;;; Consfigurator -- Lisp declarative configuration management system
;;; Copyright (C) 2021 Sean Whitton <spwhitton@spwhitton.name>
;;; This file 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, or (at your option)
;;; any later version.
;;; This file 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 this program. If not, see <http://www.gnu.org/licenses/>.
(in-package :consfigurator.property.service)
(named-readtables:in-readtable :consfigurator)
;;;; Controlling services using service(1)
(define-constant +policyrcd+ #P"/usr/sbin/policy-rc.d" :test #'equal)
(define-constant +policyrcd~+ #P"/usr/sbin/policy-rc.d~consfig" :test #'equal)
(defprop %no-services :posix ()
(:hostattrs
(push-hostattrs :no-services t)))
(defprop %policy-rc.d :posix ()
(:apply
(assert-euid-root)
(when (test "-e" +policyrcd+ "-a" "!" "-e" +policyrcd~+)
(mrun "mv" +policyrcd+ +policyrcd~+))
(file:has-content +policyrcd+ '("#!/bin/sh" "exit 101"))
(file:has-mode +policyrcd+ #o755))
(:unapply
(assert-euid-root)
(if (test "-e" +policyrcd~+)
(mrun "mv" +policyrcd~+ +policyrcd+)
(file:does-not-exist +policyrcd+))))
(defproplist no-services :posix ()
"Disable starting services with service(1) and by the package manager."
(:desc #?"Starting services disabled")
(%no-services)
(os:typecase
(debian (%policy-rc.d))))
(defprop running :posix (service)
"Attempt to start service using service(1).
Assumes that if service(1) returns nonzero, it means the service was already
running. If something more robust is required, use init system-specific
properties."
(:desc #?"Attempt to start ${service} has been made")
(:apply
(unless (get-hostattrs-car :no-services)
(run :may-fail "service" service "start"))))
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