vm: Use a deterministic file system UUID in shared-store VMs.

* gnu/system/vm.scm (system-qemu-image/shared-store): Pass
 #:file-system-uuid to 'qemu-image'.
master
Ludovic Courtès 2018-05-22 17:36:35 +02:00
parent 353df40102
commit 56f9d442e0
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@ -752,6 +752,10 @@ with the host.
When FULL-BOOT? is true, return an image that does a complete boot sequence,
bootloaded included; thus, make a disk image that contains everything the
bootloader refers to: OS kernel, initrd, bootloader data, etc."
(define root-uuid
;; Use a fixed UUID to improve determinism.
(operating-system-uuid os 'dce))
(mlet* %store-monad ((os-drv (operating-system-derivation os))
(bootcfg (operating-system-bootcfg os)))
;; XXX: When FULL-BOOT? is true, we end up creating an image that contains
@ -763,6 +767,7 @@ bootloader refers to: OS kernel, initrd, bootloader data, etc."
#:bootloader (bootloader-configuration-bootloader
(operating-system-bootloader os))
#:disk-image-size disk-image-size
#:file-system-uuid root-uuid
#:inputs (if full-boot?
`(("bootcfg" ,bootcfg))
'())