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authorMaxim Cournoyer <maxim.cournoyer@gmail.com>2019-04-16 17:15:02 -0400
committerMaxim Cournoyer <maxim.cournoyer@gmail.com>2019-05-13 22:59:09 -0400
commitd03de6be0aa2e2889314b5ed9a8867375363d79f (patch)
treef14045d6469dc859f6f76fddcccfd2f98616ebb0 /gnu/system/vm.scm
parent112fd34feefd3cdeb483f8cb098d553029bac997 (diff)
vm: Auto-detect if inputs should be registered.
The default value of the argument REGISTER-CLOSURE? of the ISO9660-IMAGE, QEMU-IMAGE and SYSTEM-DOCKER-IMAGE procedures can be computed automatically, since the operating-system definition is available in its context. When the operating-system definition does not contain the GUIX-SERVICE-TYPE, do not register the closure in the database of Guix, as it takes time and doesn't serve a purpose. * gnu/system/vm.scm (has-guix-service-type): Add predicate. (iso9660-image)[register-closures?]: Use it to compute the argument's default value. (qemu-image)[register-closures?]: Likewise, and update docstring. (system-docker-image)[register-closures?]: Likewise. (system-disk-image): Do not explicit a value for the REGISTER-CLOSURES? argument of the ISO9660-IMAGE and QEMU-IMAGE procedure calls, so that its default value is used instead. * guix/scripts/system.scm (system-derivation-for-action): Do not explicit a value for the REGISTER-CLOSURES? argument of the SYSTEM-DOCKER-IMAGE procedure call, so that its default value is used instead.
Diffstat (limited to 'gnu/system/vm.scm')
-rw-r--r--gnu/system/vm.scm30
1 files changed, 18 insertions, 12 deletions
diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm
index 124abd0fc9..2eeb700793 100644
--- a/gnu/system/vm.scm
+++ b/gnu/system/vm.scm
@@ -64,6 +64,7 @@
#:use-module (gnu system file-systems)
#:use-module (gnu system)
#:use-module (gnu services)
+ #:use-module (gnu services base)
#:use-module (gnu system uuid)
#:use-module (srfi srfi-1)
@@ -249,6 +250,12 @@ made available under the /xchg CIFS share."
#:guile-for-build guile-for-build
#:references-graphs references-graphs)))
+(define (has-guix-service-type? os)
+ "Return true if OS contains a service of the type GUIX-SERVICE-TYPE."
+ (not (not (find (lambda (service)
+ (eq? (service-kind service) guix-service-type))
+ (operating-system-services os)))))
+
(define* (iso9660-image #:key
(name "iso9660-image")
file-system-label
@@ -258,7 +265,7 @@ made available under the /xchg CIFS share."
os
bootcfg-drv
bootloader
- register-closures?
+ (register-closures? (has-guix-service-type? os))
(inputs '()))
"Return a bootable, stand-alone iso9660 image.
@@ -343,7 +350,7 @@ INPUTS is a list of inputs (as for packages)."
os
bootcfg-drv
bootloader
- (register-closures? #t)
+ (register-closures? (has-guix-service-type? os))
(inputs '())
copy-inputs?)
"Return a bootable, stand-alone QEMU image of type DISK-IMAGE-FORMAT (e.g.,
@@ -359,7 +366,9 @@ file (GRUB-CONFIGURATION must be the name of a file in the VM.)
INPUTS is a list of inputs (as for packages). When COPY-INPUTS? is true, copy
all of INPUTS into the image being built. When REGISTER-CLOSURES? is true,
register INPUTS in the store database of the image so that Guix can be used in
-the image."
+the image. By default, REGISTER-CLOSURES? is set to true only if a service of
+type GUIX-SERVICE-TYPE is present in the services definition of the operating
+system."
(define schema
(and register-closures?
(local-file (search-path %load-path
@@ -474,14 +483,13 @@ the image."
(define* (system-docker-image os
#:key
(name "guixsd-docker-image")
- register-closures?)
+ (register-closures? (has-guix-service-type? os)))
"Build a docker image. OS is the desired <operating-system>. NAME is the
-base name to use for the output file. When REGISTER-CLOSURES? is not #f,
-register the closure of OS with Guix in the resulting Docker image. This only
-makes sense when you want to build a Guix System Docker image that has Guix
-installed inside of it. If you don't need Guix (e.g., your Docker
-image just contains a web server that is started by the Shepherd), then you
-should set REGISTER-CLOSURES? to #f."
+base name to use for the output file. When REGISTER-CLOSURES? is true,
+register the closure of OS with Guix in the resulting Docker image. By
+default, REGISTER-CLOSURES? is set to true only if a service of type
+GUIX-SERVICE-TYPE is present in the services definition of the operating
+system."
(define schema
(and register-closures?
(local-file (search-path %load-path
@@ -678,7 +686,6 @@ to USB sticks meant to be read-only."
#:file-system-label root-label
#:file-system-uuid uuid
#:os os
- #:register-closures? #t
#:bootcfg-drv bootcfg
#:bootloader (bootloader-configuration-bootloader
(operating-system-bootloader os))
@@ -695,7 +702,6 @@ to USB sticks meant to be read-only."
#:file-system-label root-label
#:file-system-uuid uuid
#:copy-inputs? #t
- #:register-closures? #t
#:inputs `(("system" ,os)
("bootcfg" ,bootcfg))))))