blob: 6ce831b6e79fe2aa32b8394e0effc6e760056ebb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
;;; Consfigurator -- Lisp declarative configuration management system
;;; Copyright (C) 2021-2022 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.systemd)
(named-readtables:in-readtable :consfigurator)
;;; Using systemctl(1), we cannot enable or disable user units unless the
;;; user's service manager is actually running, and using loginctl(1), we
;;; cannot enable or disable user lingering unless systemd is PID 1.
;;;
;;; Possibly we should manually create the symlinks in the former case, and
;;; touch and delete the file under /var/lib/systemd/linger in the latter
;;; case, so that more configuration is applicable to unbooted chroots.
;;; We might have a combinator which implies ':user-instance t' for any of the
;;; following properties it contains. The idea would be that within a
;;; sequence of properties you probably want to affect only either the system
;;; daemon or the user instance.
(defun systemctl (fn user &rest args &aux (args (cons "systemctl" args)))
(apply fn (if user (systemd-user-instance-args args) args)))
(defprop daemon-reloaded :posix (&key user-instance)
(:desc "Attempt to reload systemd manager configuration")
(:apply (if (service:no-services-p)
:no-change
(systemctl #'mrun user-instance "daemon-reload"))))
(defprop started :posix (service &key user-instance)
(:desc #?"systemd service ${service} started")
(:check
(or (service:no-services-p)
(zerop (systemctl #'mrun user-instance :for-exit "is-active" service))))
(:apply (systemctl #'mrun user-instance "start" service)))
(defprop stopped :posix (service &key user-instance)
(:desc #?"systemd service ${service} stopped")
(:check
(or (service:no-services-p)
(plusp (systemctl #'mrun user-instance :for-exit "is-active" service))))
(:apply (systemctl #'mrun user-instance "stop" service)))
(defprop restarted :posix (service &key user-instance)
(:desc #?"Attempt to restart systemd service ${service}")
(:apply (if (service:no-services-p)
:no-change
(systemctl #'mrun user-instance "restart" service))))
(defprop reloaded :posix (service &key user-instance)
(:desc #?"Attempt to reload systemd service ${service}")
(:apply (if (service:no-services-p)
:no-change
(systemctl #'mrun user-instance "reload" service))))
(defprop enabled :posix (service &key user-instance)
(:desc #?"systemd service ${service} enabled")
(:check
(or (and user-instance (service:no-services-p))
(zerop
(systemctl #'mrun user-instance :for-exit "is-enabled" service))))
(:apply (systemctl #'mrun user-instance "enable" service)))
(defprop disabled :posix (service &key user-instance)
(:desc #?"systemd service ${service} disabled")
(:check
(or
(and user-instance (service:no-services-p))
(let ((status
(stripln
(systemctl #'run user-instance :may-fail "is-enabled" service))))
(or (string-prefix-p "linked" status)
(string-prefix-p "masked" status)
(memstr= status '("static" "disabled" "generated" "transient" "indirect"))))))
(:apply (systemctl #'mrun user-instance "disable" service)))
(defprop masked :posix (service &key user-instance)
(:desc #?"systemd service ${service} masked")
(:check
(or (and user-instance (service:no-services-p))
(string-prefix-p
"masked"
(systemctl #'run user-instance :may-fail "is-enabled" service))))
(:apply (systemctl #'mrun user-instance "mask" service))
(:unapply (if (and user-instance (service:no-services-p))
:no-change
(systemctl #'mrun user-instance "unmask" service))))
(defprop lingering-enabled :posix (user)
(:desc #?"User lingering enable for ${user}")
(:check
(or (service:no-services-p)
;; 'loginctl show-user' fails if the user is neither logged in nor
;; lingering. There is no dedicated exit code for that, so just assume
;; lingering is not enabled if command exits nonzero.
(multiple-value-bind (out err exit)
(run :may-fail "loginctl" "show-user" user)
(declare (ignore err))
(and (zerop exit) (memstr= "Linger=yes" (lines out))))))
(:apply (mrun "loginctl" "enable-linger" user))
(:unapply (if (service:no-services-p)
:no-change
(mrun "loginctl" "disable-linger" user))))
|
