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| author | Ludovic Courtès <ludo@gnu.org> | 2016-08-30 17:59:15 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2016-08-31 15:44:19 +0200 |
| commit | 183605c8533ad321ff8bba209b64071a9e84714a (patch) | |
| tree | acf1fd1ac0e496f7dd7d69a006e1859f6bdad1fa /gnu/services/herd.scm | |
| parent | 1bc4d0c26634163413a8ec12c627367ca5c1bbba (diff) | |
| download | patches-183605c8533ad321ff8bba209b64071a9e84714a.tar patches-183605c8533ad321ff8bba209b64071a9e84714a.tar.gz | |
services: herd: Provide <live-service> objects.
* gnu/services/herd.scm (<live-service>): New record type.
(current-services): Change to return a single value: #f or a list of
<live-service>.
* guix/scripts/system.scm (call-with-service-upgrade-info): Adjust
accordingly.
* gnu/tests/base.scm (run-basic-test)["shepherd services"]: Adjust
accordingly.
Diffstat (limited to 'gnu/services/herd.scm')
| -rw-r--r-- | gnu/services/herd.scm | 37 |
1 files changed, 22 insertions, 15 deletions
diff --git a/gnu/services/herd.scm b/gnu/services/herd.scm index 7a9db90012..03bfbf1d78 100644 --- a/gnu/services/herd.scm +++ b/gnu/services/herd.scm @@ -17,8 +17,8 @@ ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. (define-module (gnu services herd) - #:use-module (guix combinators) #:use-module (srfi srfi-1) + #:use-module (srfi srfi-9) #:use-module (srfi srfi-11) #:use-module (srfi srfi-34) #:use-module (srfi srfi-35) @@ -37,6 +37,11 @@ unknown-shepherd-error? unknown-shepherd-error-sexp + live-service? + live-service-provision + live-service-requirement + live-service-running + current-services unload-services unload-service @@ -165,25 +170,27 @@ of pairs." (let ((key (and=> (assoc-ref alist 'key) car)) ...) exp ...)))) +;; Information about live Shepherd services. +(define-record-type <live-service> + (live-service provision requirement running) + live-service? + (provision live-service-provision) ;list of symbols + (requirement live-service-requirement) ;list of symbols + (running live-service-running)) ;#f | object + (define (current-services) - "Return two lists: the list of currently running services, and the list of -currently stopped services. Return #f and #f if the list of services could -not be obtained." + "Return the list of currently defined Shepherd services, represented as +<live-service> objects. Return #f if the list of services could not be +obtained." (with-shepherd-action 'root ('status) services (match services ((('service ('version 0 _ ...) _ ...) ...) - (fold2 (lambda (service running-services stopped-services) - (alist-let* service (provides running) - (if running - (values (cons (first provides) running-services) - stopped-services) - (values running-services - (cons (first provides) stopped-services))))) - '() - '() - services)) + (map (lambda (service) + (alist-let* service (provides requires running) + (live-service provides requires running))) + services)) (x - (values #f #f))))) + #f)))) (define (unload-service service) "Unload SERVICE, a symbol name; return #t on success." |