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authorRicardo Wurmus <rekado@elephly.net>2020-01-03 18:16:13 +0100
committerRicardo Wurmus <rekado@elephly.net>2020-01-08 23:56:16 +0100
commita6bdca6b9b7a5de8244b46d0e16047f6deb31272 (patch)
treef291883589b12ca51f3e8390e3b480628f77034a /gnu/services/nfs.scm
parent2a23942e3fbda98a9457304785481dd54302714a (diff)
downloadguix-a6bdca6b9b7a5de8244b46d0e16047f6deb31272.tar
guix-a6bdca6b9b7a5de8244b46d0e16047f6deb31272.tar.gz
services: nfs: Allow gss-service-type to be extended.
* gnu/services/nfs.scm (gss-service-type): Rewrite using SERVICE-TYPE to add ability to extend the service.
Diffstat (limited to 'gnu/services/nfs.scm')
-rw-r--r--gnu/services/nfs.scm53
1 files changed, 33 insertions, 20 deletions
diff --git a/gnu/services/nfs.scm b/gnu/services/nfs.scm
index 054dad08b6..cd7e8fab01 100644
--- a/gnu/services/nfs.scm
+++ b/gnu/services/nfs.scm
@@ -136,26 +136,39 @@
(default nfs-utils)))
(define gss-service-type
- (shepherd-service-type
- 'gss
- (lambda (config)
- (define nfs-utils
- (gss-configuration-gss config))
-
- (define pipefs-directory
- (gss-configuration-pipefs-directory config))
-
- (define gss-command
- #~(list (string-append #$nfs-utils "/sbin/rpc.gssd") "-f"
- "-p" #$pipefs-directory))
-
- (shepherd-service
- (documentation "Start the RPC GSS daemon.")
- (requirement '(rpcbind-daemon rpc-pipefs))
- (provision '(gss-daemon))
-
- (start #~(make-forkexec-constructor #$gss-command))
- (stop #~(make-kill-destructor))))))
+ (let ((proc
+ (lambda (config)
+ (define nfs-utils
+ (gss-configuration-gss config))
+
+ (define pipefs-directory
+ (gss-configuration-pipefs-directory config))
+
+ (define gss-command
+ #~(list (string-append #$nfs-utils "/sbin/rpc.gssd") "-f"
+ "-p" #$pipefs-directory))
+
+ (shepherd-service
+ (documentation "Start the RPC GSS daemon.")
+ (requirement '(rpcbind-daemon rpc-pipefs))
+ (provision '(gss-daemon))
+
+ (start #~(make-forkexec-constructor #$gss-command))
+ (stop #~(make-kill-destructor))))))
+ (service-type
+ (name 'gss)
+ (extensions
+ (list (service-extension shepherd-root-service-type
+ (compose list proc))))
+ ;; We use the extensions feature to allow other services to automatically
+ ;; configure and start this service. Only one value can be provided. We
+ ;; override it with the value returned by the extending service.
+ (compose identity)
+ (extend (lambda (config values)
+ (match values
+ ((first . rest) first)
+ (_ config))))
+ (default-value (gss-configuration)))))