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vm: Make the device name a parameter.

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* guix/build/vm.scm (initialize-partition-table): Honor 'device'
  parameter.
  (initialize-hard-disk): Add 'device' parameter and honor it.
* gnu/system/vm.scm (qemu-image): Adjust accordingly.
This commit is contained in:
Ludovic Courtès 2014-05-19 22:00:46 +02:00
parent a54aefead6
commit e38e18ff01
2 changed files with 13 additions and 8 deletions
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3
gnu/system/vm.scm
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@ -230,7 +230,8 @@ (define* (qemu-image #:key
(let ((graphs '#$(match inputs
(((names . _) ...)
names))))
(initialize-hard-disk #:grub.cfg #$grub-configuration
(initialize-hard-disk "/dev/sda"
#:grub.cfg #$grub-configuration
#:closures graphs
#:copy-closures? #$copy-inputs?
#:register-closures? #$register-closures?

18
guix/build/vm.scm
View file

@ -121,7 +121,7 @@ (define* (initialize-partition-table device
"Create on DEVICE a partition table of type LABEL-TYPE, with a single
partition of PARTITION-SIZE MiB. Return #t on success."
(display "creating partition table...\n")
(zero? (system* "parted" "/dev/sda" "mklabel" label-type
(zero? (system* "parted" device "mklabel" label-type
"mkpart" "primary" "ext2" "1MiB"
(format #f "~aB" partition-size))))
@ -147,7 +147,8 @@ (define (graph-from-file file)
(define MS_BIND 4096) ; <sys/mounts.h> again!
(define* (initialize-hard-disk #:key
(define* (initialize-hard-disk device
#:key
grub.cfg
disk-image-size
(file-system-type "ext4")
@ -155,7 +156,7 @@ (define* (initialize-hard-disk #:key
copy-closures?
(register-closures? #t)
(directives '()))
"Initialize /dev/sda, a disk of DISK-IMAGE-SIZE bytes, with a
"Initialize DEVICE, a disk of DISK-IMAGE-SIZE bytes, with a
FILE-SYSTEM-TYPE partition, and with GRUB installed. If REGISTER-CLOSURES? is
true, register all of CLOSURES is the partition's store. If COPY-CLOSURES? is
true, copy all of CLOSURES to the partition. Lastly, apply DIRECTIVES to
@ -166,19 +167,22 @@ (define target-directory
(define target-store
(string-append target-directory (%store-directory)))
(unless (initialize-partition-table "/dev/sda"
(define partition
(string-append device 1))
(unless (initialize-partition-table device
#:partition-size
(- disk-image-size (* 5 (expt 2 20))))
(error "failed to create partition table"))
(format #t "creating ~a partition...\n" file-system-type)
(unless (zero? (system* (string-append "mkfs." file-system-type)
"-F" "/dev/sda1"))
"-F" partition))
(error "failed to create partition"))
(display "mounting partition...\n")
(mkdir target-directory)
(mount "/dev/sda1" target-directory file-system-type)
(mount partition target-directory file-system-type)
(when copy-closures?
;; Populate the store.
@ -208,7 +212,7 @@ (define target-store
(display "populating...\n")
(populate-root-file-system target-directory)
(unless (install-grub grub.cfg "/dev/sda" target-directory)
(unless (install-grub grub.cfg device target-directory)
(error "failed to install GRUB"))
;; 'guix-register' resets timestamps and everything, so no need to do it