mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-12-30 08:02:38 -05:00
5c793753b3
* guix/scripts/system/reconfigure.scm: New file. * Makefile.am (MODULES): Add it. * guix/scripts/system.scm (bootloader-installer-script): Export variable. * gnu/machine/ssh.scm (switch-to-system, upgrade-shepherd-services) (install-bootloader): Delete variable. * gnu/machine/ssh.scm (deploy-managed-host): Rewrite procedure. * gnu/services/herd.scm (live-service): Export variable. * gnu/services/herd.scm (live-service-canonical-name): New variable. * tests/services.scm (live-service): Delete variable. Signed-off-by: Ludovic Courtès <ludo@gnu.org>
270 lines
11 KiB
Scheme
270 lines
11 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
||
;;; Copyright © 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
|
||
;;;
|
||
;;; This file is part of GNU Guix.
|
||
;;;
|
||
;;; GNU Guix 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 of the License, or (at
|
||
;;; your option) any later version.
|
||
;;;
|
||
;;; GNU Guix 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 GNU Guix. If not, see <http://www.gnu.org/licenses/>.
|
||
|
||
(define-module (test-services)
|
||
#:use-module (gnu services)
|
||
#:use-module (gnu services herd)
|
||
#:use-module (gnu services shepherd)
|
||
#:use-module (srfi srfi-1)
|
||
#:use-module (srfi srfi-26)
|
||
#:use-module (srfi srfi-34)
|
||
#:use-module (srfi srfi-64)
|
||
#:use-module (ice-9 match))
|
||
|
||
(test-begin "services")
|
||
|
||
(test-equal "services, default value"
|
||
'(42 123 234 error)
|
||
(let* ((t1 (service-type (name 't1) (extensions '())))
|
||
(t2 (service-type (name 't2) (extensions '())
|
||
(default-value 42))))
|
||
(list (service-value (service t2))
|
||
(service-value (service t2 123))
|
||
(service-value (service t1 234))
|
||
(guard (c ((missing-value-service-error? c) 'error))
|
||
(service t1)))))
|
||
|
||
(test-assert "service-back-edges"
|
||
(let* ((t1 (service-type (name 't1) (extensions '())
|
||
(compose +) (extend *)))
|
||
(t2 (service-type (name 't2)
|
||
(extensions
|
||
(list (service-extension t1 (const '()))))
|
||
(compose +) (extend *)))
|
||
(t3 (service-type (name 't3)
|
||
(extensions
|
||
(list (service-extension t2 identity)
|
||
(service-extension t1 list)))))
|
||
(s1 (service t1 #t))
|
||
(s2 (service t2 #t))
|
||
(s3 (service t3 #t))
|
||
(e (service-back-edges (list s1 s2 s3))))
|
||
(and (lset= eq? (e s1) (list s2 s3))
|
||
(lset= eq? (e s2) (list s3))
|
||
(null? (e s3)))))
|
||
|
||
(test-equal "fold-services"
|
||
;; Make sure 'fold-services' returns the right result. The numbers come
|
||
;; from services of type T3; 'xyz 60' comes from the service of type T2,
|
||
;; where 60 = 15 × 4 = (1 + 2 + 3 + 4 + 5) × 4.
|
||
'(initial-value 5 4 3 2 1 xyz 60)
|
||
(let* ((t1 (service-type (name 't1) (extensions '())
|
||
(compose concatenate)
|
||
(extend cons)))
|
||
(t2 (service-type (name 't2)
|
||
(extensions
|
||
(list (service-extension t1
|
||
(cut list 'xyz <>))))
|
||
(compose (cut reduce + 0 <>))
|
||
(extend *)))
|
||
(t3 (service-type (name 't3)
|
||
(extensions
|
||
(list (service-extension t2 identity)
|
||
(service-extension t1 list)))))
|
||
(r (fold-services (cons* (service t1 'initial-value)
|
||
(service t2 4)
|
||
(map (lambda (x)
|
||
(service t3 x))
|
||
(iota 5 1)))
|
||
#:target-type t1)))
|
||
(and (eq? (service-kind r) t1)
|
||
(service-value r))))
|
||
|
||
(test-assert "fold-services, ambiguity"
|
||
(let* ((t1 (service-type (name 't1) (extensions '())
|
||
(compose concatenate)
|
||
(extend cons)))
|
||
(t2 (service-type (name 't2)
|
||
(extensions
|
||
(list (service-extension t1 list)))))
|
||
(s (service t2 42)))
|
||
(guard (c ((ambiguous-target-service-error? c)
|
||
(and (eq? (ambiguous-target-service-error-target-type c)
|
||
t1)
|
||
(eq? (ambiguous-target-service-error-service c)
|
||
s))))
|
||
(fold-services (list (service t1 'first)
|
||
(service t1 'second)
|
||
s)
|
||
#:target-type t1)
|
||
#f)))
|
||
|
||
(test-assert "fold-services, missing target"
|
||
(let* ((t1 (service-type (name 't1) (extensions '())))
|
||
(t2 (service-type (name 't2)
|
||
(extensions
|
||
(list (service-extension t1 list)))))
|
||
(s (service t2 42)))
|
||
(guard (c ((missing-target-service-error? c)
|
||
(and (eq? (missing-target-service-error-target-type c)
|
||
t1)
|
||
(eq? (missing-target-service-error-service c)
|
||
s))))
|
||
(fold-services (list s) #:target-type t1)
|
||
#f)))
|
||
|
||
(test-assert "instantiate-missing-services"
|
||
(let* ((t1 (service-type (name 't1) (extensions '())
|
||
(default-value 'dflt)
|
||
(compose concatenate)
|
||
(extend cons)))
|
||
(t2 (service-type (name 't2)
|
||
(extensions
|
||
(list (service-extension t1 list)))))
|
||
(s1 (service t1 'hey!))
|
||
(s2 (service t2 42)))
|
||
(and (lset= equal?
|
||
(list (service t1) s2)
|
||
(instantiate-missing-services (list s2)))
|
||
(equal? (list s1 s2)
|
||
(instantiate-missing-services (list s1 s2))))))
|
||
|
||
(test-assert "instantiate-missing-services, indirect"
|
||
(let* ((t1 (service-type (name 't1) (extensions '())
|
||
(default-value 'dflt)
|
||
(compose concatenate)
|
||
(extend cons)))
|
||
(t2 (service-type (name 't2)
|
||
(default-value 'dflt2)
|
||
(compose concatenate)
|
||
(extend cons)
|
||
(extensions
|
||
(list (service-extension t1 list)))))
|
||
(t3 (service-type (name 't3)
|
||
(extensions
|
||
(list (service-extension t2 list)))))
|
||
(s1 (service t1))
|
||
(s2 (service t2))
|
||
(s3 (service t3 42))
|
||
(== (cut lset= equal? <...>)))
|
||
(and (== (list s1 s2 s3)
|
||
(instantiate-missing-services (list s3)))
|
||
(== (list s1 s2 s3)
|
||
(instantiate-missing-services (list s1 s3)))
|
||
(== (list s1 s2 s3)
|
||
(instantiate-missing-services (list s2 s3))))))
|
||
|
||
(test-assert "instantiate-missing-services, no default value"
|
||
(let* ((t1 (service-type (name 't1) (extensions '())))
|
||
(t2 (service-type (name 't2)
|
||
(extensions
|
||
(list (service-extension t1 list)))))
|
||
(s (service t2 42)))
|
||
(guard (c ((missing-target-service-error? c)
|
||
(and (eq? (missing-target-service-error-target-type c)
|
||
t1)
|
||
(eq? (missing-target-service-error-service c)
|
||
s))))
|
||
(instantiate-missing-services (list s))
|
||
#f)))
|
||
|
||
(test-assert "shepherd-service-lookup-procedure"
|
||
(let* ((s1 (shepherd-service (provision '(s1 s1b)) (start #f)))
|
||
(s2 (shepherd-service (provision '(s2 s2b)) (start #f)))
|
||
(s3 (shepherd-service (provision '(s3 s3b s3c)) (start #f)))
|
||
(lookup (shepherd-service-lookup-procedure (list s1 s2 s3))))
|
||
(and (eq? (lookup 's1) (lookup 's1b) s1)
|
||
(eq? (lookup 's2) (lookup 's2b) s2)
|
||
(eq? (lookup 's3) (lookup 's3b) s3))))
|
||
|
||
(test-assert "shepherd-service-back-edges"
|
||
(let* ((s1 (shepherd-service (provision '(s1)) (start #f)))
|
||
(s2 (shepherd-service (provision '(s2))
|
||
(requirement '(s1))
|
||
(start #f)))
|
||
(s3 (shepherd-service (provision '(s3))
|
||
(requirement '(s1 s2))
|
||
(start #f)))
|
||
(e (shepherd-service-back-edges (list s1 s2 s3))))
|
||
(and (lset= eq? (e s1) (list s2 s3))
|
||
(lset= eq? (e s2) (list s3))
|
||
(null? (e s3)))))
|
||
|
||
(test-equal "shepherd-service-upgrade: nothing to do"
|
||
'(() ())
|
||
(call-with-values
|
||
(lambda ()
|
||
(shepherd-service-upgrade '() '()))
|
||
list))
|
||
|
||
(test-equal "shepherd-service-upgrade: one unchanged, one upgraded, one new"
|
||
'(() ;unload
|
||
((foo))) ;restart
|
||
(call-with-values
|
||
(lambda ()
|
||
;; Here 'foo' is replaced and must be explicitly restarted later
|
||
;; because it is still running, whereas 'bar' is upgraded right away
|
||
;; because it is not currently running. 'baz' is loaded because it's
|
||
;; a new service.
|
||
(shepherd-service-upgrade
|
||
(list (live-service '(foo) '() #t)
|
||
(live-service '(bar) '() #f)
|
||
(live-service '(root) '() #t)) ;essential!
|
||
(list (shepherd-service (provision '(foo))
|
||
(start #t))
|
||
(shepherd-service (provision '(bar))
|
||
(start #t))
|
||
(shepherd-service (provision '(baz))
|
||
(start #t)))))
|
||
(lambda (unload restart)
|
||
(list (map live-service-provision unload)
|
||
(map shepherd-service-provision restart)))))
|
||
|
||
(test-equal "shepherd-service-upgrade: service depended on is not unloaded"
|
||
'(((baz)) ;unload
|
||
((foo))) ;restart
|
||
(call-with-values
|
||
(lambda ()
|
||
;; Service 'bar' is not among the target services; yet, it must not be
|
||
;; unloaded because 'foo' depends on it. 'foo' gets replaced but it
|
||
;; must be restarted manually.
|
||
(shepherd-service-upgrade
|
||
(list (live-service '(foo) '(bar) #t)
|
||
(live-service '(bar) '() #t) ;still used!
|
||
(live-service '(baz) '() #t))
|
||
(list (shepherd-service (provision '(foo))
|
||
(start #t)))))
|
||
(lambda (unload restart)
|
||
(list (map live-service-provision unload)
|
||
(map shepherd-service-provision restart)))))
|
||
|
||
(test-equal "shepherd-service-upgrade: obsolete services that depend on each other"
|
||
'(((foo) (bar) (baz)) ;unload
|
||
()) ;restart
|
||
(call-with-values
|
||
(lambda ()
|
||
;; 'foo', 'bar', and 'baz' depend on each other, but all of them are
|
||
;; obsolete, and thus should be unloaded.
|
||
(shepherd-service-upgrade
|
||
(list (live-service '(foo) '(bar) #t) ;obsolete
|
||
(live-service '(bar) '(baz) #t) ;obsolete
|
||
(live-service '(baz) '() #t)) ;obsolete
|
||
(list (shepherd-service (provision '(qux))
|
||
(start #t)))))
|
||
(lambda (unload restart)
|
||
(list (map live-service-provision unload)
|
||
(map shepherd-service-provision restart)))))
|
||
|
||
(test-eq "lookup-service-types"
|
||
system-service-type
|
||
(and (null? (lookup-service-types 'does-not-exist-at-all))
|
||
(match (lookup-service-types 'system)
|
||
((one) one)
|
||
(x x))))
|
||
|
||
(test-end)
|