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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.postfix)
(named-readtables:in-readtable :consfigurator)
(defproplist installed :posix ()
(:desc "Postfix installed")
(os:etypecase
(debianlike (apt:installed "postfix"))))
(defproplist reloaded :posix ()
(:desc "Postfix reloaded")
(service:reloaded "postfix"))
(defprop main-configured :posix (&rest pairs)
"Set key--value pairs in /etc/postfix/main.cf."
(:desc (format nil "Postfix main.cf configured ~{~A=~A~^, ~}" pairs))
(:apply
(if (eql :no-change
(apply #'file:contains-conf-equals "/etc/postfix/main.cf" pairs))
:no-change
(reloaded))))
(define-function-property-combinator mapped-file
(propapp &optional (file (car (propapp-args propapp))))
"Apply PROPAPP, and if it makes a change, run postmap(1) on FILE, which
defaults to the first argument to PROPAPP."
(:retprop :type (propapp-type propapp)
:desc (get (car propapp) 'desc)
:check (get (car propapp) 'check)
:hostattrs (get (car propapp) 'hostattrs)
:apply (lambda (&rest args)
(when-let ((f (get (car propapp) 'papply)))
(if (eql :no-change (apply f args))
:no-change
(mrun "postmap" file))))
:unapply
(lambda (&rest args)
(when-let ((f (get (car propapp) 'punapply)))
(apply f args))
(file:does-not-exist (strcat (unix-namestring file) ".db")))
:args (cdr propapp)))
(defproplist daemon-socket-directory :posix
(daemon-user &optional (daemon-group daemon-user) (name daemon-user)
&aux (dir (ensure-directory-pathname
(merge-pathnames name #P"/var/spool/postfix/"))))
"Create directory NAME in /var/spool/postfix in which a daemon can create a
Unix domain socket for communication with Postfix. Commonly used for milters
like OpenDKIM, OpenDMARC, etc.."
(:desc #?"Postfix daemon socket directory created for ${daemon-user}")
(installed)
(file:directory-exists dir)
(file:has-ownership dir :user daemon-user :group daemon-group)
(file:has-mode dir #o750) (user:has-groups "postfix" daemon-group))
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