diff options
Diffstat (limited to 'gnu/system/mapped-devices.scm')
| -rw-r--r-- | gnu/system/mapped-devices.scm | 53 |
1 files changed, 40 insertions, 13 deletions
diff --git a/gnu/system/mapped-devices.scm b/gnu/system/mapped-devices.scm index dbeb0d3436..5ceb5e658c 100644 --- a/gnu/system/mapped-devices.scm +++ b/gnu/system/mapped-devices.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org> ;;; Copyright © 2016 Andreas Enge <andreas@enge.fr> ;;; Copyright © 2017 Mark H Weaver <mhw@netris.org> ;;; @@ -30,9 +30,12 @@ #:use-module (gnu services shepherd) #:use-module (gnu system uuid) #:autoload (gnu build file-systems) (find-partition-by-luks-uuid) + #:autoload (gnu build linux-modules) + (device-module-aliases matching-modules) #:autoload (gnu packages cryptsetup) (cryptsetup-static) #:autoload (gnu packages linux) (mdadm-static) #:use-module (srfi srfi-1) + #:use-module (srfi srfi-26) #:use-module (srfi srfi-34) #:use-module (srfi srfi-35) #:use-module (ice-9 match) @@ -151,19 +154,43 @@ #~(zero? (system* #$(file-append cryptsetup-static "/sbin/cryptsetup") "close" #$target))) -(define (check-luks-device md) +(define (check-device-initrd-modules device linux-modules location) + "Raise an error if DEVICE needs modules beyond LINUX-MODULES to operate. +DEVICE must be a \"/dev\" file name." + (let ((modules (delete-duplicates + (append-map matching-modules + (device-module-aliases device))))) + (unless (every (cute member <> linux-modules) modules) + (raise (condition + (&message + (message (format #f (G_ "you may need these modules \ +in the initrd for ~a:~{ ~a~}") + device modules))) + (&error-location + (location (source-properties->location location)))))))) + +(define* (check-luks-device md #:key + needed-for-boot? + (initrd-modules '()) + #:allow-other-keys + #:rest rest) "Ensure the source of MD is valid." - (let ((source (mapped-device-source md))) - (or (not (uuid? source)) - (not (zero? (getuid))) - (find-partition-by-luks-uuid (uuid-bytevector source)) - (raise (condition - (&message - (message (format #f (G_ "no LUKS partition with UUID '~a'") - (uuid->string source)))) - (&error-location - (location (source-properties->location - (mapped-device-location md))))))))) + (let ((source (mapped-device-source md)) + (location (mapped-device-location md))) + (or (not (zero? (getuid))) + (if (uuid? source) + (match (find-partition-by-luks-uuid (uuid-bytevector source)) + (#f + (raise (condition + (&message + (message (format #f (G_ "no LUKS partition with UUID '~a'") + (uuid->string source)))) + (&error-location + (location (source-properties->location + (mapped-device-location md))))))) + ((? string? device) + (check-device-initrd-modules device initrd-modules location))) + (check-device-initrd-modules source initrd-modules location))))) (define luks-device-mapping ;; The type of LUKS mapped devices. |