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services: Support per-service activation scripts.

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* gnu/services.scm (<service>)[activate]: New field.
* gnu/system.scm (operating-system-activation-script)[service-activations]:
  New procedure.  Use it, and primitive-load each activation.
This commit is contained in:
Ludovic Courtès 2014-05-24 18:03:27 +02:00
parent 517830cc01
commit 55ccc388b7
2 changed files with 15 additions and 1 deletions
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5
gnu/services.scm
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@ -26,6 +26,7 @@ (define-module (gnu services)
service-respawn?
service-start
service-stop
service-activate
service-user-accounts
service-user-groups
service-pam-services))
@ -54,6 +55,8 @@ (define-record-type* <service>
(user-groups service-user-groups ; list of <user-groups>
(default '()))
(pam-services service-pam-services ; list of <pam-service>
(default '())))
(default '()))
(activate service-activate ; gexp
(default #f)))
;;; services.scm ends here.

11
gnu/system.scm
View file

@ -357,7 +357,14 @@ (define %modules
(guix build utils)
(guix build linux-initrd)))
(define (service-activations services)
;; Return the activation scripts for SERVICES.
(let ((gexps (filter-map service-activate services)))
(sequence %store-monad (map (cut gexp->file "activate-service.scm" <>)
gexps))))
(mlet* %store-monad ((services (operating-system-services os))
(actions (service-activations services))
(etc (operating-system-etc-directory os))
(modules (imported-modules %modules))
(compiled (compiled-modules %modules))
@ -398,6 +405,10 @@ (define group-specs
;; Activate setuid programs.
(activate-setuid-programs (list #$@setuid-progs))
;; Run the services' activation snippets.
;; TODO: Use 'load-compiled'.
(for-each primitive-load '#$actions)
;; Set up /run/current-system.
(activate-current-system)))))