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| author | Mikhail Tsykalov <tsymsh@gmail.com> | 2020-11-06 12:47:38 +0300 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2020-11-26 00:05:39 +0100 |
| commit | a9a2fdaabcc78e7a54d9a6bcfa4ee3de308e9a90 (patch) | |
| tree | 1852c17d33cc33ce572810f8042fe5c24a7ef235 /gnu/system/mapped-devices.scm | |
| parent | 788df2ecd62d5c2fc0d94928f45c947e6393e20b (diff) | |
| download | guix-a9a2fdaabcc78e7a54d9a6bcfa4ee3de308e9a90.tar guix-a9a2fdaabcc78e7a54d9a6bcfa4ee3de308e9a90.tar.gz | |
mapped-devices: Add 'lvm-device-mapping'.
* gnu/system/mapped-devices.scm (lvm-device-mapping, open-lvm-device,
close-lvm-device): New variables.
* gnu/tests/install.scm (%lvm-separate-home-os,
%lvm-separate-home-os-source, %lvm-separate-home-installation-script,
%test-lvm-separate-home-os): New variables.
* gnu/system/linux-initrd.scm (raw-initrd): Add (srfi srfi-1) to initrd expression.
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
Diffstat (limited to 'gnu/system/mapped-devices.scm')
| -rw-r--r-- | gnu/system/mapped-devices.scm | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/gnu/system/mapped-devices.scm b/gnu/system/mapped-devices.scm index 8b5aec983d..559c27bb28 100644 --- a/gnu/system/mapped-devices.scm +++ b/gnu/system/mapped-devices.scm @@ -36,7 +36,7 @@ #:autoload (gnu build linux-modules) (missing-modules) #:autoload (gnu packages cryptsetup) (cryptsetup-static) - #:autoload (gnu packages linux) (mdadm-static) + #:autoload (gnu packages linux) (mdadm-static lvm2-static) #:use-module (srfi srfi-1) #:use-module (srfi srfi-26) #:use-module (srfi srfi-34) @@ -64,7 +64,8 @@ check-device-initrd-modules ;XXX: needs a better place luks-device-mapping - raid-device-mapping)) + raid-device-mapping + lvm-device-mapping)) ;;; Commentary: ;;; @@ -304,4 +305,24 @@ TARGET (e.g., \"/dev/md0\"), using 'mdadm'." (open open-raid-device) (close close-raid-device))) +(define (open-lvm-device source targets) + #~(and + (zero? (system* #$(file-append lvm2-static "/sbin/lvm") + "vgchange" "--activate" "ay" #$source)) + ; /dev/mapper nodes are usually created by udev, but udev may be unavailable at the time we run this. So we create them here. + (zero? (system* #$(file-append lvm2-static "/sbin/lvm") + "vgscan" "--mknodes")) + (every file-exists? (map (lambda (file) (string-append "/dev/mapper/" file)) + '#$targets)))) + + +(define (close-lvm-device source targets) + #~(zero? (system* #$(file-append lvm2-static "/sbin/lvm") + "vgchange" "--activate" "n" #$source))) + +(define lvm-device-mapping + (mapped-device-kind + (open open-lvm-device) + (close close-lvm-device))) + ;;; mapped-devices.scm ends here |