mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-12-26 14:28:15 -05:00
4fb7e0de19
* gnu/packages/admin.scm (wpa-supplicant-light): New variable containing the previous dbus-free package, but renamed. Remove outdated TODO comments. (wpa-supplicant): Now inherits from wpa-supplicant-light but adds dbus support. * gnu/system/install.scm (installation-os): Use wpa-supplicant-light.
287 lines
11 KiB
Scheme
287 lines
11 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
|
;;; Copyright © 2014, 2015 Ludovic Courtès <ludo@gnu.org>
|
|
;;;
|
|
;;; This file is part of GNU Guix.
|
|
;;;
|
|
;;; GNU Guix is free software; you can redistribute it and/or modify it
|
|
;;; under the terms of the GNU General Public License as published by
|
|
;;; the Free Software Foundation; either version 3 of the License, or (at
|
|
;;; your option) any later version.
|
|
;;;
|
|
;;; GNU Guix is distributed in the hope that it will be useful, but
|
|
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
;;; GNU General Public License for more details.
|
|
;;;
|
|
;;; You should have received a copy of the GNU General Public License
|
|
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
(define-module (gnu system install)
|
|
#:use-module (gnu)
|
|
#:use-module (guix gexp)
|
|
#:use-module (guix store)
|
|
#:use-module (guix monads)
|
|
#:use-module ((guix store) #:select (%store-prefix))
|
|
#:use-module (gnu packages admin)
|
|
#:use-module (gnu packages linux)
|
|
#:use-module (gnu packages cryptsetup)
|
|
#:use-module (gnu packages package-management)
|
|
#:use-module (gnu packages disk)
|
|
#:use-module (gnu packages grub)
|
|
#:use-module (gnu packages texinfo)
|
|
#:use-module (gnu packages compression)
|
|
#:export (installation-os))
|
|
|
|
;;; Commentary:
|
|
;;;
|
|
;;; This module provides an 'operating-system' definition for use on images
|
|
;;; for USB sticks etc., for the installation of the GNU system.
|
|
;;;
|
|
;;; Code:
|
|
|
|
(define (log-to-info)
|
|
"Return a script that spawns the Info reader on the right section of the
|
|
manual."
|
|
(gexp->script "log-to-info"
|
|
#~(begin
|
|
;; 'gunzip' is needed to decompress the doc.
|
|
(setenv "PATH" (string-append #$gzip "/bin"))
|
|
|
|
(execl (string-append #$texinfo-4 "/bin/info") "info"
|
|
"-d" "/run/current-system/profile/share/info"
|
|
"-f" (string-append #$guix "/share/info/guix.info")
|
|
"-n" "System Installation"))))
|
|
|
|
(define %backing-directory
|
|
;; Sub-directory used as the backing store for copy-on-write.
|
|
"/tmp/guix-inst")
|
|
|
|
(define (make-cow-store target)
|
|
"Return a gexp that makes the store copy-on-write, using TARGET as the
|
|
backing store. This is useful when TARGET is on a hard disk, whereas the
|
|
current store is on a RAM disk."
|
|
(define (unionfs read-only read-write mount-point)
|
|
;; Make MOUNT-POINT the union of READ-ONLY and READ-WRITE.
|
|
|
|
;; Note: in the command below, READ-WRITE appears before READ-ONLY so that
|
|
;; it is considered a "higher-level branch", as per unionfs-fuse(8),
|
|
;; thereby allowing files existing on READ-ONLY to be copied over to
|
|
;; READ-WRITE.
|
|
#~(fork+exec-command
|
|
(list (string-append #$unionfs-fuse "/bin/unionfs")
|
|
"-o"
|
|
"cow,allow_other,use_ino,max_files=65536,nonempty"
|
|
(string-append #$read-write "=RW:" #$read-only "=RO")
|
|
#$mount-point)))
|
|
|
|
(define (set-store-permissions directory)
|
|
;; Set the right perms on DIRECTORY to use it as the store.
|
|
#~(begin
|
|
(chown #$directory 0 30000) ;use the fixed 'guixbuild' GID
|
|
(chmod #$directory #o1775)))
|
|
|
|
#~(begin
|
|
(unless (file-exists? "/.ro-store")
|
|
(mkdir "/.ro-store")
|
|
(mount #$(%store-prefix) "/.ro-store" "none"
|
|
(logior MS_BIND MS_RDONLY)))
|
|
|
|
(let ((rw-dir (string-append target #$%backing-directory)))
|
|
(mkdir-p rw-dir)
|
|
(mkdir-p "/.rw-store")
|
|
#$(set-store-permissions #~rw-dir)
|
|
#$(set-store-permissions "/.rw-store")
|
|
|
|
;; Mount the union, then atomically make it the store.
|
|
(and #$(unionfs "/.ro-store" #~rw-dir "/.rw-store")
|
|
(begin
|
|
(sleep 1) ;XXX: wait for unionfs to be ready
|
|
(mount "/.rw-store" #$(%store-prefix) "" MS_MOVE)
|
|
(rmdir "/.rw-store"))))))
|
|
|
|
(define (cow-store-service)
|
|
"Return a service that makes the store copy-on-write, such that writes go to
|
|
the user's target storage device rather than on the RAM disk."
|
|
;; See <http://bugs.gnu.org/18061> for the initial report.
|
|
(with-monad %store-monad
|
|
(return (service
|
|
(requirement '(root-file-system user-processes))
|
|
(provision '(cow-store))
|
|
(documentation
|
|
"Make the store copy-on-write, with writes going to \
|
|
the given target.")
|
|
|
|
;; This is meant to be explicitly started by the user.
|
|
(auto-start? #f)
|
|
|
|
(start #~(case-lambda
|
|
((target)
|
|
#$(make-cow-store #~target)
|
|
target)
|
|
(else
|
|
;; Do nothing, and mark the service as stopped.
|
|
#f)))
|
|
(stop #~(lambda (target)
|
|
;; Delete the temporary directory, but leave everything
|
|
;; mounted as there may still be processes using it
|
|
;; since 'user-processes' doesn't depend on us. The
|
|
;; 'user-unmount' service will unmount TARGET
|
|
;; eventually.
|
|
(delete-file-recursively
|
|
(string-append target #$%backing-directory))))))))
|
|
|
|
(define (configuration-template-service)
|
|
"Return a dummy service whose purpose is to install an operating system
|
|
configuration template file in the installation system."
|
|
|
|
(define local-template
|
|
"/etc/configuration-template.scm")
|
|
(define template
|
|
(search-path %load-path "gnu/system/os-config.tmpl"))
|
|
|
|
(mlet %store-monad ((template (interned-file template)))
|
|
(return (service
|
|
(requirement '(root-file-system))
|
|
(provision '(os-config-template))
|
|
(documentation
|
|
"This dummy service installs an OS configuration template.")
|
|
(start #~(const #t))
|
|
(stop #~(const #f))
|
|
(activate
|
|
#~(unless (file-exists? #$local-template)
|
|
(copy-file #$template #$local-template)))))))
|
|
|
|
(define %nscd-minimal-caches
|
|
;; Minimal in-memory caching policy for nscd.
|
|
(list (nscd-cache (database 'hosts)
|
|
(positive-time-to-live (* 3600 12))
|
|
(negative-time-to-live 20)
|
|
(persistent? #f)
|
|
(max-database-size (* 5 (expt 2 20)))))) ;5 MiB
|
|
|
|
(define (installation-services)
|
|
"Return the list services for the installation image."
|
|
(let ((motd (text-file "motd" "
|
|
Welcome to the installation of the Guix System Distribution!
|
|
|
|
There is NO WARRANTY, to the extent permitted by law. In particular, you may
|
|
LOSE ALL YOUR DATA as a side effect of the installation process. Furthermore,
|
|
it is alpha software, so it may BREAK IN UNEXPECTED WAYS.
|
|
|
|
You have been warned. Thanks for being so brave.
|
|
")))
|
|
(define (normal-tty tty)
|
|
(mingetty-service tty
|
|
#:motd motd
|
|
#:auto-login "root"
|
|
#:login-pause? #t))
|
|
|
|
(list (mingetty-service "tty1"
|
|
#:motd motd
|
|
#:auto-login "root")
|
|
|
|
;; Documentation. The manual is in UTF-8, but
|
|
;; 'console-font-service' sets up Unicode support and loads a font
|
|
;; with all the useful glyphs like em dash and quotation marks.
|
|
(mingetty-service "tty2"
|
|
#:motd motd
|
|
#:auto-login "guest"
|
|
#:login-program (log-to-info))
|
|
|
|
;; Documentation add-on.
|
|
(configuration-template-service)
|
|
|
|
;; A bunch of 'root' ttys.
|
|
(normal-tty "tty3")
|
|
(normal-tty "tty4")
|
|
(normal-tty "tty5")
|
|
(normal-tty "tty6")
|
|
|
|
;; The usual services.
|
|
(syslog-service)
|
|
|
|
;; The build daemon. Register the hydra.gnu.org key as trusted.
|
|
;; This allows the installation process to use substitutes by
|
|
;; default.
|
|
(guix-service #:authorize-hydra-key? #t)
|
|
|
|
;; Start udev so that useful device nodes are available.
|
|
(udev-service)
|
|
|
|
;; Add the 'cow-store' service, which users have to start manually
|
|
;; since it takes the installation directory as an argument.
|
|
(cow-store-service)
|
|
|
|
;; Install Unicode support and a suitable font.
|
|
(console-font-service "tty1")
|
|
(console-font-service "tty2")
|
|
(console-font-service "tty3")
|
|
(console-font-service "tty4")
|
|
(console-font-service "tty5")
|
|
(console-font-service "tty6")
|
|
|
|
;; Since this is running on a USB stick with a unionfs as the root
|
|
;; file system, use an appropriate cache configuration.
|
|
(nscd-service (nscd-configuration
|
|
(caches %nscd-minimal-caches))))))
|
|
|
|
(define %issue
|
|
;; Greeting.
|
|
"
|
|
This is an installation image of the GNU system. Welcome.
|
|
|
|
Use Alt-F2 for documentation.
|
|
")
|
|
|
|
(define installation-os
|
|
;; The operating system used on installation images for USB sticks etc.
|
|
(operating-system
|
|
(host-name "gnu")
|
|
(timezone "Europe/Paris")
|
|
(locale "en_US.utf8")
|
|
(bootloader (grub-configuration
|
|
(device "/dev/sda")))
|
|
(file-systems
|
|
;; Note: the disk image build code overrides this root file system with
|
|
;; the appropriate one.
|
|
(cons (file-system
|
|
(mount-point "/")
|
|
(device "gnu-disk-image")
|
|
(type "ext4"))
|
|
%base-file-systems))
|
|
|
|
(users (list (user-account
|
|
(name "guest")
|
|
(group "users")
|
|
(supplementary-groups '("wheel")) ; allow use of sudo
|
|
(password "")
|
|
(comment "Guest of GNU")
|
|
(home-directory "/home/guest"))))
|
|
|
|
(issue %issue)
|
|
|
|
(services (installation-services))
|
|
|
|
;; We don't need setuid programs so pass the empty list so we don't pull
|
|
;; additional programs here.
|
|
(setuid-programs '())
|
|
|
|
(pam-services
|
|
;; Explicitly allow for empty passwords.
|
|
(base-pam-services #:allow-empty-passwords? #t))
|
|
|
|
(packages (cons* texinfo-4 ;for the standalone Info reader
|
|
parted ddrescue
|
|
grub ;mostly so xrefs to its manual work
|
|
cryptsetup
|
|
wireless-tools iw wpa-supplicant-light
|
|
;; XXX: We used to have GNU fdisk here, but as of version
|
|
;; 2.0.0a, that pulls Guile 1.8, which takes unreasonable
|
|
;; space; furthermore util-linux's fdisk is already
|
|
;; available here, so we keep that.
|
|
%base-packages))))
|
|
|
|
;; Return it here so 'guix system' can consume it directly.
|
|
installation-os
|
|
|
|
;;; install.scm ends here
|