2013-02-16 02:28:26 +00:00
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;;; GNU Guix --- Functional package management for GNU
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2014-01-29 12:04:00 +00:00
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;;; Copyright © 2013, 2014 Ludovic Courtès <ludo@gnu.org>
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2013-02-16 02:28:26 +00:00
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu system vm)
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2013-08-31 21:01:56 +00:00
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#:use-module (guix config)
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2013-02-16 02:28:26 +00:00
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#:use-module (guix store)
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2014-04-26 14:36:48 +00:00
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#:use-module (guix gexp)
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2013-02-16 02:28:26 +00:00
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#:use-module (guix derivations)
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#:use-module (guix packages)
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gnu: vm: Rewrite helper functions as monadic functions.
* gnu/system/dmd.scm (host-name-service, nscd-service, mingetty-service,
syslog-service, guix-service, static-networking-service): Rewrite as
monadic functions.
(dmd-configuration-file): Use 'text-file' instead of
'add-text-to-store'.
* gnu/system/grub.scm (grub-configuration-file): Rewrite as a monadic
function.
* gnu/system/linux.scm (pam-services->directory): Likewise.
* gnu/system/shadow.scm (group-file, passwd-file, guix-build-accounts):
Likewise.
* gnu/system/vm.scm (expression->derivation-in-linux-vm, qemu-image,
union, system-qemu-image): Likewise.
2013-10-03 19:30:30 +00:00
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#:use-module (guix monads)
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2013-09-27 11:28:52 +00:00
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#:use-module ((gnu packages base)
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2014-04-11 16:26:35 +00:00
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#:select (%final-inputs))
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2013-09-04 22:45:53 +00:00
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#:use-module (gnu packages guile)
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#:use-module (gnu packages bash)
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2013-12-09 22:45:27 +00:00
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#:use-module (gnu packages less)
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2013-02-16 02:28:26 +00:00
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#:use-module (gnu packages qemu)
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2014-06-03 20:12:05 +00:00
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#:use-module (gnu packages disk)
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2013-09-26 22:45:53 +00:00
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#:use-module (gnu packages zile)
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2013-02-16 02:28:26 +00:00
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#:use-module (gnu packages grub)
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#:use-module (gnu packages linux)
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2013-09-24 20:40:33 +00:00
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#:use-module (gnu packages package-management)
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2013-02-16 02:28:26 +00:00
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#:use-module ((gnu packages make-bootstrap)
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#:select (%guile-static-stripped))
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2014-01-13 22:21:47 +00:00
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#:use-module (gnu packages admin)
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2013-09-11 20:36:50 +00:00
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#:use-module (gnu system shadow)
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#:use-module (gnu system linux)
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2014-01-29 12:04:00 +00:00
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#:use-module (gnu system linux-initrd)
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2013-09-11 20:36:50 +00:00
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#:use-module (gnu system grub)
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2014-05-20 19:59:08 +00:00
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#:use-module (gnu system file-systems)
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2013-12-09 20:32:36 +00:00
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#:use-module (gnu system)
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2014-02-19 19:58:24 +00:00
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#:use-module (gnu services)
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2013-09-11 20:36:50 +00:00
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2013-08-31 20:55:04 +00:00
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#:use-module (srfi srfi-1)
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2013-02-16 02:28:26 +00:00
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#:use-module (srfi srfi-26)
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#:use-module (ice-9 match)
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2013-09-11 20:36:50 +00:00
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2013-02-16 02:28:26 +00:00
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#:export (expression->derivation-in-linux-vm
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2013-09-11 18:08:53 +00:00
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qemu-image
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2014-01-31 13:36:48 +00:00
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system-qemu-image
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system-qemu-image/shared-store
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2014-05-22 21:12:36 +00:00
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system-qemu-image/shared-store-script
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system-disk-image))
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2013-02-16 02:28:26 +00:00
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;;; Commentary:
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;;;
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;;; Tools to evaluate build expressions within virtual machines.
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;;;
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;;; Code:
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2014-04-11 11:48:55 +00:00
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(define* (input->name+output tuple #:key (system (%current-system)))
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"Return as a monadic value a name/file-name pair corresponding to TUPLE, an
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input tuple. The output file name is when building for SYSTEM."
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(with-monad %store-monad
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(match tuple
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((input (? package? package))
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(mlet %store-monad ((out (package-file package #:system system)))
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(return `(,input . ,out))))
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((input (? package? package) sub-drv)
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(mlet %store-monad ((out (package-file package
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#:output sub-drv
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#:system system)))
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(return `(,input . ,out))))
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((input (? derivation? drv))
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(return `(,input . ,(derivation->output-path drv))))
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((input (? derivation? drv) sub-drv)
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(return `(,input . ,(derivation->output-path drv sub-drv))))
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((input (and (? string?) (? store-path?) file))
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(return `(,input . ,file))))))
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2014-05-02 22:26:07 +00:00
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(define %linux-vm-file-systems
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;; File systems mounted for 'derivation-in-linux-vm'. The store and /xchg
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;; directory are shared with the host over 9p.
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(list (file-system
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(mount-point (%store-prefix))
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(device "store")
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(type "9p")
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(needed-for-boot? #t)
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2014-05-03 22:30:39 +00:00
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(options "trans=virtio")
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(check? #f))
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2014-05-02 22:26:07 +00:00
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(file-system
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(mount-point "/xchg")
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(device "xchg")
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(type "9p")
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(needed-for-boot? #t)
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2014-05-03 22:30:39 +00:00
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(options "trans=virtio")
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(check? #f))))
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2014-05-02 22:26:07 +00:00
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gnu: vm: Rewrite helper functions as monadic functions.
* gnu/system/dmd.scm (host-name-service, nscd-service, mingetty-service,
syslog-service, guix-service, static-networking-service): Rewrite as
monadic functions.
(dmd-configuration-file): Use 'text-file' instead of
'add-text-to-store'.
* gnu/system/grub.scm (grub-configuration-file): Rewrite as a monadic
function.
* gnu/system/linux.scm (pam-services->directory): Likewise.
* gnu/system/shadow.scm (group-file, passwd-file, guix-build-accounts):
Likewise.
* gnu/system/vm.scm (expression->derivation-in-linux-vm, qemu-image,
union, system-qemu-image): Likewise.
2013-10-03 19:30:30 +00:00
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(define* (expression->derivation-in-linux-vm name exp
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2013-02-16 02:28:26 +00:00
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#:key
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2013-08-27 17:04:14 +00:00
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(system (%current-system))
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2013-02-16 02:28:26 +00:00
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(linux linux-libre)
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2014-01-29 12:04:00 +00:00
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initrd
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2014-04-09 10:13:22 +00:00
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(qemu qemu-headless)
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2013-02-16 02:28:26 +00:00
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(env-vars '())
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2014-04-27 12:58:15 +00:00
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(modules
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2014-04-11 16:42:30 +00:00
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'((guix build vm)
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2014-05-15 21:37:46 +00:00
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(guix build install)
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2014-04-11 16:42:30 +00:00
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(guix build linux-initrd)
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(guix build utils)))
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2013-02-16 02:28:26 +00:00
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(guile-for-build
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(%guile-for-build))
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(make-disk-image? #f)
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2013-08-31 20:55:04 +00:00
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(references-graphs #f)
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2014-04-09 11:47:57 +00:00
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(memory-size 256)
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2014-05-22 20:30:13 +00:00
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(disk-image-format "qcow2")
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2013-02-16 02:28:26 +00:00
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(disk-image-size
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(* 100 (expt 2 20))))
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2014-01-29 12:04:00 +00:00
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"Evaluate EXP in a QEMU virtual machine running LINUX with INITRD (a
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2014-04-27 12:58:15 +00:00
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derivation). In the virtual machine, EXP has access to all its inputs from the
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2014-01-29 12:04:00 +00:00
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store; it should put its output files in the `/xchg' directory, which is
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2014-04-09 11:47:57 +00:00
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copied to the derivation's output when the VM terminates. The virtual machine
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runs with MEMORY-SIZE MiB of memory.
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2013-02-16 02:28:26 +00:00
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2014-05-22 20:30:13 +00:00
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When MAKE-DISK-IMAGE? is true, then create a QEMU disk image of type
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DISK-IMAGE-FORMAT (e.g., 'qcow2' or 'raw'), of DISK-IMAGE-SIZE bytes and
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return it.
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2013-08-31 20:55:04 +00:00
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2014-04-27 12:58:15 +00:00
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MODULES is the set of modules imported in the execution environment of EXP.
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2014-04-11 16:42:30 +00:00
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2013-08-31 20:55:04 +00:00
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When REFERENCES-GRAPHS is true, it must be a list of file name/store path
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pairs, as for `derivation'. The files containing the reference graphs are
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made available under the /xchg CIFS share."
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gnu: vm: Rewrite helper functions as monadic functions.
* gnu/system/dmd.scm (host-name-service, nscd-service, mingetty-service,
syslog-service, guix-service, static-networking-service): Rewrite as
monadic functions.
(dmd-configuration-file): Use 'text-file' instead of
'add-text-to-store'.
* gnu/system/grub.scm (grub-configuration-file): Rewrite as a monadic
function.
* gnu/system/linux.scm (pam-services->directory): Likewise.
* gnu/system/shadow.scm (group-file, passwd-file, guix-build-accounts):
Likewise.
* gnu/system/vm.scm (expression->derivation-in-linux-vm, qemu-image,
union, system-qemu-image): Likewise.
2013-10-03 19:30:30 +00:00
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(mlet* %store-monad
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2014-04-27 12:58:15 +00:00
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((module-dir (imported-modules modules))
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(compiled (compiled-modules modules))
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(user-builder (gexp->file "builder-in-linux-vm" exp))
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2014-04-26 14:36:48 +00:00
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(loader (gexp->file "linux-vm-loader"
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#~(begin
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(set! %load-path
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(cons #$module-dir %load-path))
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(set! %load-compiled-path
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(cons #$compiled
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%load-compiled-path))
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(primitive-load #$user-builder))))
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gnu: vm: Rewrite helper functions as monadic functions.
* gnu/system/dmd.scm (host-name-service, nscd-service, mingetty-service,
syslog-service, guix-service, static-networking-service): Rewrite as
monadic functions.
(dmd-configuration-file): Use 'text-file' instead of
'add-text-to-store'.
* gnu/system/grub.scm (grub-configuration-file): Rewrite as a monadic
function.
* gnu/system/linux.scm (pam-services->directory): Likewise.
* gnu/system/shadow.scm (group-file, passwd-file, guix-build-accounts):
Likewise.
* gnu/system/vm.scm (expression->derivation-in-linux-vm, qemu-image,
union, system-qemu-image): Likewise.
2013-10-03 19:30:30 +00:00
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(coreutils -> (car (assoc-ref %final-inputs "coreutils")))
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2014-01-29 20:57:56 +00:00
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(initrd (if initrd ; use the default initrd?
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2014-01-29 12:04:00 +00:00
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(return initrd)
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2014-05-02 22:26:07 +00:00
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(qemu-initrd %linux-vm-file-systems
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#:guile-modules-in-chroot? #t))))
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2014-04-27 12:58:15 +00:00
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(define builder
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;; Code that launches the VM that evaluates EXP.
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#~(begin
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(use-modules (guix build utils)
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(guix build vm))
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(let ((inputs '#$(list qemu coreutils))
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(linux (string-append #$linux "/bzImage"))
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(initrd (string-append #$initrd "/initrd"))
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(loader #$loader)
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(graphs '#$(match references-graphs
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(((graph-files . _) ...) graph-files)
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(_ #f))))
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(set-path-environment-variable "PATH" '("bin") inputs)
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(load-in-linux-vm loader
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#:output #$output
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#:linux linux #:initrd initrd
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#:memory-size #$memory-size
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#:make-disk-image? #$make-disk-image?
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2014-05-22 20:30:13 +00:00
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#:disk-image-format #$disk-image-format
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2014-04-27 12:58:15 +00:00
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#:disk-image-size #$disk-image-size
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#:references-graphs graphs))))
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(gexp->derivation name builder
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;; TODO: Require the "kvm" feature.
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#:system system
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#:env-vars env-vars
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2014-05-15 21:37:46 +00:00
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#:modules modules
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2014-04-27 12:58:15 +00:00
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#:guile-for-build guile-for-build
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#:references-graphs references-graphs)))
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gnu: vm: Rewrite helper functions as monadic functions.
* gnu/system/dmd.scm (host-name-service, nscd-service, mingetty-service,
syslog-service, guix-service, static-networking-service): Rewrite as
monadic functions.
(dmd-configuration-file): Use 'text-file' instead of
'add-text-to-store'.
* gnu/system/grub.scm (grub-configuration-file): Rewrite as a monadic
function.
* gnu/system/linux.scm (pam-services->directory): Likewise.
* gnu/system/shadow.scm (group-file, passwd-file, guix-build-accounts):
Likewise.
* gnu/system/vm.scm (expression->derivation-in-linux-vm, qemu-image,
union, system-qemu-image): Likewise.
2013-10-03 19:30:30 +00:00
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(define* (qemu-image #:key
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2013-02-16 02:28:26 +00:00
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(name "qemu-image")
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(system (%current-system))
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2014-04-27 12:58:15 +00:00
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(qemu qemu-headless)
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2013-02-16 02:28:26 +00:00
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(disk-image-size (* 100 (expt 2 20)))
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2014-05-22 20:30:13 +00:00
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(disk-image-format "qcow2")
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2014-05-03 10:16:10 +00:00
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(file-system-type "ext4")
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2014-05-29 21:07:43 +00:00
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file-system-label
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2013-09-07 15:23:23 +00:00
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grub-configuration
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2014-05-15 20:55:14 +00:00
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(register-closures? #t)
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(inputs '())
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copy-inputs?)
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2014-05-22 20:30:13 +00:00
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"Return a bootable, stand-alone QEMU image of type DISK-IMAGE-FORMAT (e.g.,
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2014-05-29 21:07:43 +00:00
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'qcow2' or 'raw'), with a root partition of type FILE-SYSTEM-TYPE.
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Optionally, FILE-SYSTEM-LABEL can be specified as the volume name for the root
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partition. The returned image is a full disk image, with a GRUB installation
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that uses GRUB-CONFIGURATION as its configuration file (GRUB-CONFIGURATION
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must be the name of a file in the VM.)
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2013-08-31 21:01:56 +00:00
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2014-05-15 20:55:14 +00:00
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INPUTS is a list of inputs (as for packages). When COPY-INPUTS? is true, copy
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all of INPUTS into the image being built. When REGISTER-CLOSURES? is true,
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|
|
register INPUTS in the store database of the image so that Guix can be used in
|
2014-05-17 15:39:30 +00:00
|
|
|
|
the image."
|
gnu: vm: Rewrite helper functions as monadic functions.
* gnu/system/dmd.scm (host-name-service, nscd-service, mingetty-service,
syslog-service, guix-service, static-networking-service): Rewrite as
monadic functions.
(dmd-configuration-file): Use 'text-file' instead of
'add-text-to-store'.
* gnu/system/grub.scm (grub-configuration-file): Rewrite as a monadic
function.
* gnu/system/linux.scm (pam-services->directory): Likewise.
* gnu/system/shadow.scm (group-file, passwd-file, guix-build-accounts):
Likewise.
* gnu/system/vm.scm (expression->derivation-in-linux-vm, qemu-image,
union, system-qemu-image): Likewise.
2013-10-03 19:30:30 +00:00
|
|
|
|
(mlet %store-monad
|
2014-05-15 20:55:14 +00:00
|
|
|
|
((graph (sequence %store-monad (map input->name+output inputs))))
|
gnu: vm: Rewrite helper functions as monadic functions.
* gnu/system/dmd.scm (host-name-service, nscd-service, mingetty-service,
syslog-service, guix-service, static-networking-service): Rewrite as
monadic functions.
(dmd-configuration-file): Use 'text-file' instead of
'add-text-to-store'.
* gnu/system/grub.scm (grub-configuration-file): Rewrite as a monadic
function.
* gnu/system/linux.scm (pam-services->directory): Likewise.
* gnu/system/shadow.scm (group-file, passwd-file, guix-build-accounts):
Likewise.
* gnu/system/vm.scm (expression->derivation-in-linux-vm, qemu-image,
union, system-qemu-image): Likewise.
2013-10-03 19:30:30 +00:00
|
|
|
|
(expression->derivation-in-linux-vm
|
2014-04-27 12:58:15 +00:00
|
|
|
|
name
|
|
|
|
|
#~(begin
|
|
|
|
|
(use-modules (guix build vm)
|
|
|
|
|
(guix build utils))
|
|
|
|
|
|
|
|
|
|
(let ((inputs
|
|
|
|
|
'#$(append (list qemu parted grub e2fsprogs util-linux)
|
|
|
|
|
(map (compose car (cut assoc-ref %final-inputs <>))
|
|
|
|
|
'("sed" "grep" "coreutils" "findutils" "gawk"))
|
2014-05-15 20:55:14 +00:00
|
|
|
|
(if register-closures? (list guix) '())))
|
2014-04-27 12:58:15 +00:00
|
|
|
|
|
|
|
|
|
;; This variable is unused but allows us to add INPUTS-TO-COPY
|
|
|
|
|
;; as inputs.
|
2014-05-15 20:55:14 +00:00
|
|
|
|
(to-register
|
2014-04-27 12:58:15 +00:00
|
|
|
|
'#$(map (match-lambda
|
|
|
|
|
((name thing) thing)
|
|
|
|
|
((name thing output) `(,thing ,output)))
|
2014-05-15 20:55:14 +00:00
|
|
|
|
inputs)))
|
2014-04-27 12:58:15 +00:00
|
|
|
|
|
|
|
|
|
(set-path-environment-variable "PATH" '("bin" "sbin") inputs)
|
|
|
|
|
|
2014-05-15 20:55:14 +00:00
|
|
|
|
(let ((graphs '#$(match inputs
|
2014-04-27 12:58:15 +00:00
|
|
|
|
(((names . _) ...)
|
|
|
|
|
names))))
|
2014-05-22 20:32:53 +00:00
|
|
|
|
(initialize-hard-disk "/dev/vda"
|
2014-05-19 20:00:46 +00:00
|
|
|
|
#:grub.cfg #$grub-configuration
|
2014-05-15 20:55:14 +00:00
|
|
|
|
#:closures graphs
|
|
|
|
|
#:copy-closures? #$copy-inputs?
|
|
|
|
|
#:register-closures? #$register-closures?
|
2014-04-27 12:58:15 +00:00
|
|
|
|
#:disk-image-size #$disk-image-size
|
2014-05-29 21:07:43 +00:00
|
|
|
|
#:file-system-type #$file-system-type
|
|
|
|
|
#:file-system-label #$file-system-label)
|
2014-04-27 12:58:15 +00:00
|
|
|
|
(reboot))))
|
gnu: vm: Rewrite helper functions as monadic functions.
* gnu/system/dmd.scm (host-name-service, nscd-service, mingetty-service,
syslog-service, guix-service, static-networking-service): Rewrite as
monadic functions.
(dmd-configuration-file): Use 'text-file' instead of
'add-text-to-store'.
* gnu/system/grub.scm (grub-configuration-file): Rewrite as a monadic
function.
* gnu/system/linux.scm (pam-services->directory): Likewise.
* gnu/system/shadow.scm (group-file, passwd-file, guix-build-accounts):
Likewise.
* gnu/system/vm.scm (expression->derivation-in-linux-vm, qemu-image,
union, system-qemu-image): Likewise.
2013-10-03 19:30:30 +00:00
|
|
|
|
#:system system
|
|
|
|
|
#:make-disk-image? #t
|
|
|
|
|
#:disk-image-size disk-image-size
|
2014-05-22 20:30:13 +00:00
|
|
|
|
#:disk-image-format disk-image-format
|
2014-04-11 16:42:30 +00:00
|
|
|
|
#:references-graphs graph)))
|
2013-02-16 02:28:26 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
;;;
|
2014-05-22 21:12:36 +00:00
|
|
|
|
;;; VM and disk images.
|
2013-02-16 02:28:26 +00:00
|
|
|
|
;;;
|
|
|
|
|
|
2014-05-22 21:12:36 +00:00
|
|
|
|
(define* (system-disk-image os
|
|
|
|
|
#:key
|
2014-06-04 14:07:37 +00:00
|
|
|
|
(name "disk-image")
|
2014-05-22 21:12:36 +00:00
|
|
|
|
(file-system-type "ext4")
|
|
|
|
|
(disk-image-size (* 900 (expt 2 20)))
|
|
|
|
|
(volatile? #t))
|
|
|
|
|
"Return the derivation of a disk image of DISK-IMAGE-SIZE bytes of the
|
|
|
|
|
system described by OS. Said image can be copied on a USB stick as is. When
|
|
|
|
|
VOLATILE? is true, the root file system is made volatile; this is useful
|
|
|
|
|
to USB sticks meant to be read-only."
|
2014-05-30 21:45:42 +00:00
|
|
|
|
(define root-label
|
|
|
|
|
;; Volume name of the root file system. Since we don't know which device
|
|
|
|
|
;; will hold it, we use the volume name to find it (using the UUID would
|
|
|
|
|
;; be even better, but somewhat less convenient.)
|
|
|
|
|
"gnu-disk-image")
|
|
|
|
|
|
2014-05-22 21:12:36 +00:00
|
|
|
|
(define file-systems-to-keep
|
|
|
|
|
(remove (lambda (fs)
|
|
|
|
|
(string=? (file-system-mount-point fs) "/"))
|
|
|
|
|
(operating-system-file-systems os)))
|
|
|
|
|
|
|
|
|
|
(let ((os (operating-system (inherit os)
|
2014-05-23 20:35:08 +00:00
|
|
|
|
;; Since this is meant to be used on real hardware, don't set up
|
|
|
|
|
;; QEMU networking.
|
|
|
|
|
(initrd (cut qemu-initrd <>
|
|
|
|
|
#:volatile-root? volatile?
|
|
|
|
|
#:qemu-networking? #f))
|
2014-05-22 21:12:36 +00:00
|
|
|
|
|
|
|
|
|
;; Force our own root file system.
|
|
|
|
|
(file-systems (cons (file-system
|
|
|
|
|
(mount-point "/")
|
2014-05-30 21:45:42 +00:00
|
|
|
|
(device root-label)
|
2014-06-02 21:58:50 +00:00
|
|
|
|
(title 'label)
|
2014-05-22 21:12:36 +00:00
|
|
|
|
(type file-system-type))
|
|
|
|
|
file-systems-to-keep)))))
|
|
|
|
|
|
|
|
|
|
(mlet* %store-monad ((os-drv (operating-system-derivation os))
|
|
|
|
|
(grub.cfg (operating-system-grub.cfg os)))
|
2014-06-04 14:07:37 +00:00
|
|
|
|
(qemu-image #:name name
|
|
|
|
|
#:grub-configuration grub.cfg
|
2014-05-22 21:12:36 +00:00
|
|
|
|
#:disk-image-size disk-image-size
|
|
|
|
|
#:disk-image-format "raw"
|
|
|
|
|
#:file-system-type file-system-type
|
2014-05-30 21:45:42 +00:00
|
|
|
|
#:file-system-label root-label
|
2014-05-22 21:12:36 +00:00
|
|
|
|
#:copy-inputs? #t
|
|
|
|
|
#:register-closures? #t
|
|
|
|
|
#:inputs `(("system" ,os-drv)
|
|
|
|
|
("grub.cfg" ,grub.cfg))))))
|
|
|
|
|
|
2014-02-19 20:10:12 +00:00
|
|
|
|
(define* (system-qemu-image os
|
2014-05-03 10:45:43 +00:00
|
|
|
|
#:key
|
|
|
|
|
(file-system-type "ext4")
|
|
|
|
|
(disk-image-size (* 900 (expt 2 20))))
|
|
|
|
|
"Return the derivation of a freestanding QEMU image of DISK-IMAGE-SIZE bytes
|
|
|
|
|
of the GNU system as described by OS."
|
2014-05-14 21:15:51 +00:00
|
|
|
|
(define file-systems-to-keep
|
|
|
|
|
;; Keep only file systems other than root and not normally bound to real
|
|
|
|
|
;; devices.
|
|
|
|
|
(remove (lambda (fs)
|
|
|
|
|
(let ((target (file-system-mount-point fs))
|
|
|
|
|
(source (file-system-device fs)))
|
|
|
|
|
(or (string=? target "/")
|
|
|
|
|
(string-prefix? "/dev/" source))))
|
|
|
|
|
(operating-system-file-systems os)))
|
|
|
|
|
|
2014-05-03 10:45:43 +00:00
|
|
|
|
(let ((os (operating-system (inherit os)
|
2014-05-14 21:15:51 +00:00
|
|
|
|
;; Force our own root file system.
|
|
|
|
|
(file-systems (cons (file-system
|
2014-05-03 10:45:43 +00:00
|
|
|
|
(mount-point "/")
|
|
|
|
|
(device "/dev/sda1")
|
2014-05-14 21:15:51 +00:00
|
|
|
|
(type file-system-type))
|
|
|
|
|
file-systems-to-keep)))))
|
2014-05-03 10:45:43 +00:00
|
|
|
|
(mlet* %store-monad
|
|
|
|
|
((os-drv (operating-system-derivation os))
|
2014-05-17 15:39:30 +00:00
|
|
|
|
(grub.cfg (operating-system-grub.cfg os)))
|
2014-05-03 10:45:43 +00:00
|
|
|
|
(qemu-image #:grub-configuration grub.cfg
|
|
|
|
|
#:disk-image-size disk-image-size
|
|
|
|
|
#:file-system-type file-system-type
|
2014-05-17 15:39:30 +00:00
|
|
|
|
#:inputs `(("system" ,os-drv)
|
|
|
|
|
("grub.cfg" ,grub.cfg))
|
2014-05-15 20:55:14 +00:00
|
|
|
|
#:copy-inputs? #t))))
|
2013-02-16 02:28:26 +00:00
|
|
|
|
|
2014-05-02 22:26:07 +00:00
|
|
|
|
(define (virtualized-operating-system os)
|
|
|
|
|
"Return an operating system based on OS suitable for use in a virtualized
|
|
|
|
|
environment with the store shared with the host."
|
|
|
|
|
(operating-system (inherit os)
|
|
|
|
|
(initrd (cut qemu-initrd <> #:volatile-root? #t))
|
2014-05-14 21:15:51 +00:00
|
|
|
|
(file-systems (cons* (file-system
|
|
|
|
|
(mount-point "/")
|
|
|
|
|
(device "/dev/vda1")
|
|
|
|
|
(type "ext4"))
|
|
|
|
|
(file-system
|
|
|
|
|
(mount-point (%store-prefix))
|
|
|
|
|
(device "store")
|
|
|
|
|
(type "9p")
|
|
|
|
|
(needed-for-boot? #t)
|
|
|
|
|
(options "trans=virtio")
|
|
|
|
|
(check? #f))
|
|
|
|
|
|
|
|
|
|
;; Remove file systems that conflict with those
|
|
|
|
|
;; above, or that are normally bound to real devices.
|
|
|
|
|
(remove (lambda (fs)
|
|
|
|
|
(let ((target (file-system-mount-point fs))
|
|
|
|
|
(source (file-system-device fs)))
|
|
|
|
|
(or (string=? target (%store-prefix))
|
|
|
|
|
(string=? target "/")
|
|
|
|
|
(string-prefix? "/dev/" source))))
|
|
|
|
|
(operating-system-file-systems os))))))
|
2014-05-02 22:26:07 +00:00
|
|
|
|
|
2014-01-31 13:36:48 +00:00
|
|
|
|
(define* (system-qemu-image/shared-store
|
2014-02-19 20:10:12 +00:00
|
|
|
|
os
|
2014-01-31 13:36:48 +00:00
|
|
|
|
#:key (disk-image-size (* 15 (expt 2 20))))
|
|
|
|
|
"Return a derivation that builds a QEMU image of OS that shares its store
|
|
|
|
|
with the host."
|
|
|
|
|
(mlet* %store-monad
|
|
|
|
|
((os-drv (operating-system-derivation os))
|
2014-05-17 15:39:30 +00:00
|
|
|
|
(grub.cfg (operating-system-grub.cfg os)))
|
2014-01-31 13:36:48 +00:00
|
|
|
|
(qemu-image #:grub-configuration grub.cfg
|
2014-05-15 20:55:14 +00:00
|
|
|
|
#:disk-image-size disk-image-size
|
|
|
|
|
#:inputs `(("system" ,os-drv))
|
|
|
|
|
|
|
|
|
|
;; XXX: Passing #t here is too slow, so let it off by default.
|
|
|
|
|
#:register-closures? #f
|
|
|
|
|
#:copy-inputs? #f)))
|
2014-01-31 13:36:48 +00:00
|
|
|
|
|
|
|
|
|
(define* (system-qemu-image/shared-store-script
|
2014-02-19 20:10:12 +00:00
|
|
|
|
os
|
2014-01-31 13:36:48 +00:00
|
|
|
|
#:key
|
2014-04-10 19:31:08 +00:00
|
|
|
|
(qemu qemu)
|
2014-01-31 13:36:48 +00:00
|
|
|
|
(graphic? #t))
|
|
|
|
|
"Return a derivation that builds a script to run a virtual machine image of
|
|
|
|
|
OS that shares its store with the host."
|
2014-04-23 14:53:36 +00:00
|
|
|
|
(mlet* %store-monad
|
2014-05-02 22:26:07 +00:00
|
|
|
|
((os -> (virtualized-operating-system os))
|
2014-04-23 14:53:36 +00:00
|
|
|
|
(os-drv (operating-system-derivation os))
|
|
|
|
|
(image (system-qemu-image/shared-store os)))
|
2014-01-31 13:36:48 +00:00
|
|
|
|
(define builder
|
2014-04-26 14:36:48 +00:00
|
|
|
|
#~(call-with-output-file #$output
|
|
|
|
|
(lambda (port)
|
|
|
|
|
(display
|
|
|
|
|
(string-append "#!" #$bash "/bin/sh
|
|
|
|
|
exec " #$qemu "/bin/qemu-system-x86_64 -enable-kvm -no-reboot -net nic,model=virtio \
|
|
|
|
|
-virtfs local,path=" #$(%store-prefix) ",security_model=none,mount_tag=store \
|
2014-04-10 19:31:08 +00:00
|
|
|
|
-net user \
|
2014-04-26 14:36:48 +00:00
|
|
|
|
-kernel " #$(operating-system-kernel os) "/bzImage \
|
2014-05-02 22:26:07 +00:00
|
|
|
|
-initrd " #$os-drv "/initrd \
|
2014-04-26 14:36:48 +00:00
|
|
|
|
-append \"" #$(if graphic? "" "console=ttyS0 ")
|
2014-05-17 15:39:30 +00:00
|
|
|
|
"--system=" #$os-drv " --load=" #$os-drv "/boot --root=/dev/vda1\" \
|
2014-05-13 21:56:24 +00:00
|
|
|
|
-serial stdio \
|
2014-04-26 14:36:48 +00:00
|
|
|
|
-drive file=" #$image
|
2014-01-31 13:36:48 +00:00
|
|
|
|
",if=virtio,cache=writeback,werror=report,readonly\n")
|
2014-04-26 14:36:48 +00:00
|
|
|
|
port)
|
|
|
|
|
(chmod port #o555))))
|
|
|
|
|
|
|
|
|
|
(gexp->derivation "run-vm.sh" builder)))
|
2014-01-31 13:36:48 +00:00
|
|
|
|
|
2013-02-16 02:28:26 +00:00
|
|
|
|
;;; vm.scm ends here
|