GNU bug report logs - #61587
[PATCH 0/8] networking services refactoring

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From: Bruno Victal <mirai <at> makinata.eu>
To: 61587 <at> debbugs.gnu.org
Cc: Bruno Victal <mirai <at> makinata.eu>
Subject: [bug#61587] [PATCH 1/8] services: network-manager: Add 'shepherd-requirement' field.
Date: Fri, 17 Feb 2023 21:14:52 +0000

Note: This also makes wpa-supplicant an optional requirement.

* gnu/services/networking.scm (<network-manager-configuration>)
[shepherd-requirement]: New field.
(network-manager-shepherd-service): Honor it.
(network-manager-configuration-shepherd-requirement): Export accessor.
* doc/guix.texi (Networking Setup): Document it.
---
 doc/guix.texi               |  6 ++++++
 gnu/services/networking.scm | 10 +++++++---
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/doc/guix.texi b/doc/guix.texi
index 44e2165a82..46e0f637d0 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -19704,6 +19704,12 @@ Networking Setup
 @item @code{network-manager} (default: @code{network-manager})
 The NetworkManager package to use.
 
+@item @code{shepherd-requirement} (default: @code{()})
+This option can be used to provide a list of symbols naming Shepherd services
+that this service will depend on, such as @code{'wpa-supplicant} or
+@code{'iwd} if you require authenticated access for encrypted WiFi or Ethernet
+networks.
+
 @item @code{dns} (default: @code{"default"})
 Processing mode for DNS, which affects how NetworkManager uses the
 @code{resolv.conf} configuration file.
diff --git a/gnu/services/networking.scm b/gnu/services/networking.scm
index dacf64c2d1..5284855b83 100644
--- a/gnu/services/networking.scm
+++ b/gnu/services/networking.scm
@@ -143,6 +143,7 @@ (define-module (gnu services networking)
 
             network-manager-configuration
             network-manager-configuration?
+            network-manager-configuration-shepherd-requirement
             network-manager-configuration-dns
             network-manager-configuration-vpn-plugins
             network-manager-service-type
@@ -1140,6 +1141,8 @@ (define-record-type* <network-manager-configuration>
   network-manager-configuration?
   (network-manager network-manager-configuration-network-manager
                    (default network-manager))
+  (shepherd-requirement network-manager-configuration-shepherd-requirement
+                        (default '()))
   (dns network-manager-configuration-dns
        (default "default"))
   (vpn-plugins network-manager-configuration-vpn-plugins ;list of file-like
@@ -1200,7 +1203,7 @@ (define (network-manager-environment config)
 
 (define (network-manager-shepherd-service config)
   (match-record config <network-manager-configuration>
-    (network-manager dns vpn-plugins iwd?)
+    (network-manager shepherd-requirement dns vpn-plugins iwd?)
     (let ((conf (plain-file "NetworkManager.conf"
                             (string-append
                              "[main]\ndns=" dns "\n"
@@ -1209,8 +1212,9 @@ (define (network-manager-shepherd-service config)
       (list (shepherd-service
              (documentation "Run the NetworkManager.")
              (provision '(networking))
-             (requirement (append '(user-processes dbus-system loopback)
-                                  (if iwd? '(iwd) '(wpa-supplicant))))
+             (requirement `(user-processes dbus-system loopback
+                            ,@shepherd-requirement
+                            ,@(if iwd? '(iwd) '())))
              (start #~(make-forkexec-constructor
                        (list (string-append #$network-manager
                                             "/sbin/NetworkManager")
-- 
2.39.1

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