;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013, 2014, 2015, 2016, 2017 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2016 Christopher Allan Webber <cwebber@dustycloud.org>
-;;; Copyright © 2016 Leo Famulari <leo@famulari.name>
+;;; Copyright © 2016, 2017 Leo Famulari <leo@famulari.name>
;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
;;; Copyright © 2017 Marius Bakke <mbakke@fastmail.com>
+;;; Copyright © 2018 Chris Marusich <cmmarusich@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
#:use-module (guix build utils)
#:use-module (guix build store-copy)
#:use-module (guix build syscalls)
+ #:use-module (guix store database)
#:use-module (gnu build linux-boot)
#:use-module (gnu build install)
#:use-module (gnu system uuid)
#:use-module (ice-9 format)
#:use-module (ice-9 match)
#:use-module (ice-9 regex)
+ #:use-module (ice-9 popen)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-9)
+ #:use-module (srfi srfi-19)
#:use-module (srfi srfi-26)
#:export (qemu-command
load-in-linux-vm
(let ((cpu (substring system 0
(string-index system #\-))))
(string-append "qemu-system-"
- (if (string-match "^i[3456]86$" cpu)
- "i386"
- cpu))))
+ (cond
+ ((string-match "^i[3456]86$" cpu) "i386")
+ ((string-match "armhf" cpu) "arm")
+ (else cpu)))))
(define* (load-in-linux-vm builder
#:key
linux initrd
make-disk-image?
single-file-output?
+ target-arm32?
+ target-aarch64?
(disk-image-size (* 100 (expt 2 20)))
(disk-image-format "qcow2")
(references-graphs '()))
REFERENCES-GRAPHS can specify a list of reference-graph files as produced by
the #:references-graphs parameter of 'derivation'."
+
+ (define target-arm? (or target-arm32? target-aarch64?))
+
+ (define arch-specific-flags
+ `(;; On ARM, a machine has to be specified. Use "virt" machine to avoid
+ ;; hardware limits imposed by other machines.
+ ,@(if target-arm?
+ '("-M" "virt")
+ '())
+
+ ;; On ARM32, if the kernel is built without LPAE support, ECAM conflicts
+ ;; with VIRT_PCIE_MMIO causing PCI devices not to show up. Disable
+ ;; explicitely highmem to fix it.
+ ;; See: https://bugs.launchpad.net/qemu/+bug/1790975.
+ ,@(if target-arm32?
+ '("-machine" "highmem=off")
+ '())
+
+ ;; Only enable kvm if we see /dev/kvm exists. This allows users without
+ ;; hardware virtualization to still use these commands. KVM support is
+ ;; still buggy on some ARM boards. Do not use it even if available.
+ ,@(if (and (file-exists? "/dev/kvm")
+ (not target-arm?))
+ '("-enable-kvm")
+ '())
+
+ ;; Pass "panic=1" so that the guest dies upon error.
+ "-append"
+ ,(string-append "panic=1 --load=" builder
+
+ ;; The serial port name differs between emulated
+ ;; architectures/machines.
+ " console="
+ (if target-arm? "ttyAMA0" "ttyS0"))))
+
(when make-disk-image?
(format #t "creating ~a image of ~,2f MiB...~%"
disk-image-format (/ disk-image-size (expt 2 20)))
(force-output)
- (unless (zero? (system* "qemu-img" "create" "-f" disk-image-format
- output
- (number->string disk-image-size)))
- (error "qemu-img failed")))
+ (invoke "qemu-img" "create" "-f" disk-image-format output
+ (number->string disk-image-size)))
(mkdir "xchg")
+ (mkdir "tmp")
(match references-graphs
((graph-files ...)
graph-files))
(_ #f))
- (unless (zero?
- (apply system* qemu "-nographic" "-no-reboot"
- "-m" (number->string memory-size)
- "-net" "nic,model=virtio"
- "-virtfs"
- (string-append "local,id=store_dev,path="
- (%store-directory)
- ",security_model=none,mount_tag=store")
- "-virtfs"
- (string-append "local,id=xchg_dev,path=xchg"
- ",security_model=none,mount_tag=xchg")
- "-kernel" linux
- "-initrd" initrd
- "-append" (string-append "console=ttyS0 --load="
- builder)
- (append
- (if make-disk-image?
- `("-drive" ,(string-append "file=" output
- ",if=virtio"))
- '())
- ;; Only enable kvm if we see /dev/kvm exists.
- ;; This allows users without hardware virtualization to still
- ;; use these commands.
- (if (file-exists? "/dev/kvm")
- '("-enable-kvm")
- '()))))
- (error "qemu failed" qemu))
+ (apply invoke qemu "-nographic" "-no-reboot"
+ ;; CPU "max" behaves as "host" when KVM is enabled, and like a system
+ ;; CPU with the maximum possible feature set otherwise.
+ "-cpu" "max"
+ "-m" (number->string memory-size)
+ "-nic" "user,model=virtio-net-pci"
+ "-object" "rng-random,filename=/dev/urandom,id=guixsd-vm-rng"
+ "-device" "virtio-rng-pci,rng=guixsd-vm-rng"
+ "-virtfs"
+ (string-append "local,id=store_dev,path="
+ (%store-directory)
+ ",security_model=none,mount_tag=store")
+ "-virtfs"
+ (string-append "local,id=xchg_dev,path=xchg"
+ ",security_model=none,mount_tag=xchg")
+ "-virtfs"
+ ;; Some programs require more space in /tmp than is normally
+ ;; available in the guest. Accommodate such programs by sharing a
+ ;; temporary directory.
+ (string-append "local,id=tmp_dev,path=tmp"
+ ",security_model=none,mount_tag=tmp")
+ "-kernel" linux
+ "-initrd" initrd
+ (append
+ (if make-disk-image?
+ `("-device" "virtio-blk,drive=myhd"
+ "-drive" ,(string-append "if=none,file=" output
+ ",format=" disk-image-format
+ ",id=myhd"))
+ '())
+ arch-specific-flags))
;; When MAKE-DISK-IMAGE? is true, the image is in OUTPUT already.
(unless make-disk-image?
(mkdir output)
(copy-recursively "xchg" output)))))
+(define* (register-closure prefix closure
+ #:key
+ (deduplicate? #t) (reset-timestamps? #t)
+ (schema (sql-schema)))
+ "Register CLOSURE in PREFIX, where PREFIX is the directory name of the
+target store and CLOSURE is the name of a file containing a reference graph as
+produced by #:references-graphs.. As a side effect, if RESET-TIMESTAMPS? is
+true, reset timestamps on store files and, if DEDUPLICATE? is true,
+deduplicates files common to CLOSURE and the rest of PREFIX."
+ (let ((items (call-with-input-file closure read-reference-graph)))
+ (register-items items
+ #:prefix prefix
+ #:deduplicate? deduplicate?
+ #:reset-timestamps? reset-timestamps?
+ #:registration-time %epoch
+ #:schema schema)))
+
\f
;;;
;;; Partitions.
partition-size)
partitions)
", "))
- (unless (zero? (apply system* "parted" "--script"
- device "mklabel" label-type
- (options partitions offset)))
- (error "failed to create partition table"))
+ (apply invoke "parted" "--script"
+ device "mklabel" label-type
+ (options partitions offset))
;; Set the 'device' field of each partition.
(reverse
(define* (create-ext-file-system partition type
#:key label uuid)
- "Create an ext-family filesystem of TYPE on PARTITION. If LABEL is true,
+ "Create an ext-family file system of TYPE on PARTITION. If LABEL is true,
use that as the volume name. If UUID is true, use it as the partition UUID."
- (format #t "creating ~a partition...\n" type)
- (unless (zero? (apply system* (string-append "mkfs." type)
- "-F" partition
- `(,@(if label
- `("-L" ,label)
- '())
- ,@(if uuid
- `("-U" ,(uuid->string uuid))
- '()))))
- (error "failed to create partition")))
+ (format #t "creating ~a partition... ~@[label: ~s~] ~@[uuid: ~s~]\n"
+ type label (and uuid (uuid->string uuid)))
+ (apply invoke (string-append "mkfs." type)
+ "-F" partition
+ `(,@(if label
+ `("-L" ,label)
+ '())
+ ,@(if uuid
+ `("-U" ,(uuid->string uuid))
+ '()))))
(define* (create-fat-file-system partition
#:key label uuid)
- "Create a FAT filesystem on PARTITION. The number of File Allocation Tables
-will be determined based on filesystem size. If LABEL is true, use that as the
+ "Create a FAT file system on PARTITION. The number of File Allocation Tables
+will be determined based on file system size. If LABEL is true, use that as the
volume name."
;; FIXME: UUID is ignored!
(format #t "creating FAT partition...\n")
- (unless (zero? (apply system* "mkfs.fat" partition
- (if label
- `("-n" ,label)
- '())))
- (error "failed to create FAT partition")))
+ (apply invoke "mkfs.fat" partition
+ (if label `("-n" ,label) '())))
(define* (format-partition partition type
#:key label uuid)
(define* (root-partition-initializer #:key (closures '())
copy-closures?
(register-closures? #t)
- system-directory)
+ system-directory
+ (deduplicate? #t))
"Return a procedure to initialize a root partition.
-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.
+If REGISTER-CLOSURES? is true, register all of CLOSURES in the partition's
+store. If DEDUPLICATE? is true, then also deduplicate files common to
+CLOSURES and the rest of the store when registering the closures. If
+COPY-CLOSURES? is true, copy all of CLOSURES to the partition.
SYSTEM-DIRECTORY is the name of the directory of the 'system' derivation."
(lambda (target)
(define target-store
;; Optionally, register the inputs in the image's store.
(when register-closures?
(unless copy-closures?
- ;; XXX: 'guix-register' wants to palpate the things it registers, so
+ ;; XXX: 'register-closure' wants to palpate the things it registers, so
;; bind-mount the store on the target.
(mkdir-p target-store)
(mount (%store-directory) target-store "" MS_BIND))
(display "registering closures...\n")
(for-each (lambda (closure)
(register-closure target
- (string-append "/xchg/" closure)))
+ (string-append "/xchg/" closure)
+ #:reset-timestamps? copy-closures?
+ #:deduplicate? deduplicate?))
closures)
(unless copy-closures?
(umount target-store)))
(display "populating...\n")
(populate-root-file-system system-directory target)
- ;; 'guix-register' resets timestamps and everything, so no need to do it
+ ;; 'register-closure' resets timestamps and everything, so no need to do it
;; once more in that case.
(unless register-closures?
(reset-timestamps target))))
(setenv "TMPDIR" esp)
(mkdir-p efi-directory)
- (unless (zero? (system* grub-mkstandalone "-O" (car efi-targets)
- "-o" (string-append efi-directory "/"
- (cdr efi-targets))
- ;; Graft the configuration file onto the image.
- (string-append "boot/grub/grub.cfg=" config-file)))
- (error "failed to create GRUB EFI image"))))
-
-(define* (make-iso9660-image grub config-file os-drv target
- #:key (volume-id "GuixSD_image") (volume-uuid #f)
+ (invoke grub-mkstandalone "-O" (car efi-targets)
+ "-o" (string-append efi-directory "/"
+ (cdr efi-targets))
+ ;; Graft the configuration file onto the image.
+ (string-append "boot/grub/grub.cfg=" config-file))))
+
+(define* (make-iso9660-image xorriso grub-mkrescue-environment
+ grub config-file os-drv target
+ #:key (volume-id "Guix_image") (volume-uuid #f)
register-closures? (closures '()))
"Given a GRUB package, creates an iso image as TARGET, using CONFIG-FILE as
GRUB configuration and OS-DRV as the stuff in it."
- (let ((grub-mkrescue (string-append grub "/bin/grub-mkrescue"))
- (target-store (string-append "/tmp/root" (%store-directory))))
- (mkdir-p "/tmp/root/var/run")
- (mkdir-p "/tmp/root/run")
- (mkdir-p "/tmp/root/mnt")
-
- (mkdir-p target-store)
- (mount (%store-directory) target-store "" MS_BIND)
-
- (when register-closures?
- (display "registering closures...\n")
- (for-each (lambda (closure)
- (register-closure
- "/tmp/root"
- (string-append "/xchg/" closure)
- ;; XXX: Using deduplication causes cross device link errors.
- #:deduplicate? #f))
- closures))
-
- (unless (zero? (apply system*
- `(,grub-mkrescue "-o" ,target
- ,(string-append "boot/grub/grub.cfg=" config-file)
- ,(string-append "gnu/store=" os-drv "/..")
- "var=/tmp/root/var"
- "run=/tmp/root/run"
- ;; /mnt is used as part of the installation
- ;; process, as the mount point for the target
- ;; filesystem, so create it.
- "mnt=/tmp/root/mnt"
- "--"
- "-volid" ,(string-upcase volume-id)
- ,@(if volume-uuid
- `("-volume_date" "uuid"
- ,(string-filter (lambda (value)
- (not (char=? #\- value)))
- (iso9660-uuid->string
- volume-uuid)))
- `()))))
- (error "failed to create ISO9660 image"))))
+ (define grub-mkrescue
+ (string-append grub "/bin/grub-mkrescue"))
+
+ (define grub-mkrescue-sed.sh
+ (string-append xorriso "/bin/grub-mkrescue-sed.sh"))
+
+ (define target-store
+ (string-append "/tmp/root" (%store-directory)))
+
+ (define items
+ ;; The store items to add to the image.
+ (delete-duplicates
+ (append-map (lambda (closure)
+ (map store-info-item
+ (call-with-input-file (string-append "/xchg/" closure)
+ read-reference-graph)))
+ closures)))
+
+ (populate-root-file-system os-drv "/tmp/root")
+ (mount (%store-directory) target-store "" MS_BIND)
+
+ (when register-closures?
+ (display "registering closures...\n")
+ (for-each (lambda (closure)
+ (register-closure
+ "/tmp/root"
+ (string-append "/xchg/" closure)
+
+ ;; TARGET-STORE is a read-only bind-mount so we shouldn't try
+ ;; to modify it.
+ #:deduplicate? #f
+ #:reset-timestamps? #f))
+ closures)
+ (register-bootcfg-root "/tmp/root" config-file))
+
+ ;; 'grub-mkrescue' calls out to mtools programs to create 'efi.img', a FAT
+ ;; file system image, and mtools honors SOURCE_DATE_EPOCH for the mtime of
+ ;; those files. The epoch for FAT is Jan. 1st 1980, not 1970, so choose
+ ;; that.
+ (setenv "SOURCE_DATE_EPOCH"
+ (number->string
+ (time-second
+ (date->time-utc (make-date 0 0 0 0 1 1 1980 0)))))
+
+ ;; Our patched 'grub-mkrescue' honors this environment variable and passes
+ ;; it to 'mformat', which makes it the serial number of 'efi.img'. This
+ ;; allows for deterministic builds.
+ (setenv "GRUB_FAT_SERIAL_NUMBER"
+ (number->string (if volume-uuid
+
+ ;; On 32-bit systems the 2nd argument must be
+ ;; lower than 2^32.
+ (string-hash (iso9660-uuid->string volume-uuid)
+ (- (expt 2 32) 1))
+
+ #x77777777)
+ 16))
+
+ (setenv "MKRESCUE_SED_MODE" "original")
+ (setenv "MKRESCUE_SED_XORRISO" (string-append xorriso
+ "/bin/xorriso"))
+ (setenv "MKRESCUE_SED_IN_EFI_NO_PT" "yes")
+ (for-each (match-lambda
+ ((name . value) (setenv name value)))
+ grub-mkrescue-environment)
+
+ (let ((pipe
+ (apply open-pipe* OPEN_WRITE
+ grub-mkrescue
+ (string-append "--xorriso=" grub-mkrescue-sed.sh)
+ "-o" target
+ (string-append "boot/grub/grub.cfg=" config-file)
+ "etc=/tmp/root/etc"
+ "var=/tmp/root/var"
+ "run=/tmp/root/run"
+ ;; /mnt is used as part of the installation
+ ;; process, as the mount point for the target
+ ;; file system, so create it.
+ "mnt=/tmp/root/mnt"
+ "-path-list" "-"
+ "--"
+
+ ;; Set all timestamps to 1.
+ "-volume_date" "all_file_dates" "=1"
+
+ "-volid" (string-upcase volume-id)
+ (if volume-uuid
+ `("-volume_date" "uuid"
+ ,(string-filter (lambda (value)
+ (not (char=? #\- value)))
+ (iso9660-uuid->string
+ volume-uuid)))
+ `()))))
+ ;; Pass lines like 'gnu/store/…-x=/gnu/store/…-x' corresponding to the
+ ;; '-path-list -' option.
+ (for-each (lambda (item)
+ (format pipe "~a=~a~%"
+ (string-drop item 1) item))
+ items)
+ (unless (zero? (close-pipe pipe))
+ (error "oh, my! grub-mkrescue failed" grub-mkrescue))))
(define* (initialize-hard-disk device
#:key
(lambda (port)
(format port
"insmod part_msdos~@
- search --set=root --label GuixSD_image~@
+ search --set=root --label Guix_image~@
configfile /boot/grub/grub.cfg~%")))
(display "creating EFI firmware image...")
HCoop / jackhill / guix / guix.git / blobdiff