388 lines
15 KiB
Scheme
388 lines
15 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
||
;;; Copyright © 2013, 2014 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)
|
||
#:use-module (guix store)
|
||
#:use-module (guix monads)
|
||
#:use-module (guix gexp)
|
||
#:use-module (guix records)
|
||
#:use-module (guix packages)
|
||
#:use-module (guix derivations)
|
||
#:use-module (gnu packages base)
|
||
#:use-module (gnu packages bash)
|
||
#:use-module (gnu packages admin)
|
||
#:use-module (gnu packages package-management)
|
||
#:use-module (gnu services)
|
||
#:use-module (gnu services dmd)
|
||
#:use-module (gnu services base)
|
||
#:use-module (gnu system grub)
|
||
#:use-module (gnu system shadow)
|
||
#:use-module (gnu system linux)
|
||
#:use-module (gnu system linux-initrd)
|
||
#:use-module (ice-9 match)
|
||
#:use-module (srfi srfi-1)
|
||
#:use-module (srfi srfi-26)
|
||
#:export (operating-system
|
||
operating-system?
|
||
operating-system-services
|
||
operating-system-packages
|
||
operating-system-bootloader-entries
|
||
operating-system-host-name
|
||
operating-system-kernel
|
||
operating-system-initrd
|
||
operating-system-users
|
||
operating-system-groups
|
||
operating-system-packages
|
||
operating-system-timezone
|
||
operating-system-locale
|
||
operating-system-services
|
||
operating-system-file-systems
|
||
|
||
operating-system-derivation
|
||
operating-system-profile
|
||
|
||
<file-system>
|
||
file-system
|
||
file-system?
|
||
file-system-device
|
||
file-system-mount-point
|
||
file-system-type
|
||
file-system-needed-for-boot?
|
||
file-system-flags
|
||
file-system-options))
|
||
|
||
;;; Commentary:
|
||
;;;
|
||
;;; This module supports whole-system configuration.
|
||
;;;
|
||
;;; Code:
|
||
|
||
;; System-wide configuration.
|
||
;; TODO: Add per-field docstrings/stexi.
|
||
(define-record-type* <operating-system> operating-system
|
||
make-operating-system
|
||
operating-system?
|
||
(kernel operating-system-kernel ; package
|
||
(default linux-libre))
|
||
(bootloader operating-system-bootloader ; package
|
||
(default grub))
|
||
(bootloader-entries operating-system-bootloader-entries ; list
|
||
(default '()))
|
||
(initrd operating-system-initrd ; (list fs) -> M derivation
|
||
(default qemu-initrd))
|
||
|
||
(host-name operating-system-host-name) ; string
|
||
|
||
(file-systems operating-system-file-systems ; list of fs
|
||
(default '()))
|
||
|
||
(users operating-system-users ; list of user accounts
|
||
(default '()))
|
||
(groups operating-system-groups ; list of user groups
|
||
(default (list (user-group
|
||
(name "root")
|
||
(id 0)))))
|
||
|
||
(packages operating-system-packages ; list of (PACKAGE OUTPUT...)
|
||
(default (list coreutils ; or just PACKAGE
|
||
grep
|
||
sed
|
||
findutils
|
||
guile
|
||
bash
|
||
(@ (gnu packages dmd) dmd)
|
||
guix
|
||
tzdata)))
|
||
|
||
(timezone operating-system-timezone) ; string
|
||
(locale operating-system-locale) ; string
|
||
|
||
(services operating-system-services ; list of monadic services
|
||
(default %base-services))
|
||
|
||
(pam-services operating-system-pam-services ; list of PAM services
|
||
(default (base-pam-services)))
|
||
(setuid-programs operating-system-setuid-programs
|
||
(default %setuid-programs)) ; list of string-valued gexps
|
||
|
||
(sudoers operating-system-sudoers ; /etc/sudoers contents
|
||
(default %sudoers-specification)))
|
||
|
||
;; File system declaration.
|
||
(define-record-type* <file-system> file-system
|
||
make-file-system
|
||
file-system?
|
||
(device file-system-device) ; string
|
||
(mount-point file-system-mount-point) ; string
|
||
(type file-system-type) ; string
|
||
(flags file-system-flags ; list of symbols
|
||
(default '()))
|
||
(options file-system-options ; string or #f
|
||
(default #f))
|
||
(needed-for-boot? file-system-needed-for-boot? ; Boolean
|
||
(default #f))
|
||
(check? file-system-check? ; Boolean
|
||
(default #t)))
|
||
|
||
|
||
;;;
|
||
;;; Derivation.
|
||
;;;
|
||
|
||
(define* (union inputs
|
||
#:key (guile (%guile-for-build)) (system (%current-system))
|
||
(name "union"))
|
||
"Return a derivation that builds the union of INPUTS. INPUTS is a list of
|
||
input tuples."
|
||
(define builder
|
||
#~(begin
|
||
(use-modules (guix build union))
|
||
|
||
(define inputs '#$inputs)
|
||
|
||
(setvbuf (current-output-port) _IOLBF)
|
||
(setvbuf (current-error-port) _IOLBF)
|
||
|
||
(format #t "building union `~a' with ~a packages...~%"
|
||
#$output (length inputs))
|
||
(union-build #$output inputs)))
|
||
|
||
(gexp->derivation name builder
|
||
#:system system
|
||
#:modules '((guix build union))
|
||
#:guile-for-build guile
|
||
#:local-build? #t))
|
||
|
||
(define* (file-union name files)
|
||
"Return a derivation that builds a directory containing all of FILES. Each
|
||
item in FILES must be a list where the first element is the file name to use
|
||
in the new directory, and the second element is a gexp denoting the target
|
||
file."
|
||
(define builder
|
||
#~(begin
|
||
(mkdir #$output)
|
||
(chdir #$output)
|
||
#$@(map (match-lambda
|
||
((target source)
|
||
#~(symlink #$source #$target)))
|
||
files)))
|
||
|
||
(gexp->derivation name builder))
|
||
|
||
(define* (etc-directory #:key
|
||
(locale "C") (timezone "Europe/Paris")
|
||
(accounts '())
|
||
(groups '())
|
||
(pam-services '())
|
||
(profile "/var/run/current-system/profile")
|
||
(sudoers ""))
|
||
"Return a derivation that builds the static part of the /etc directory."
|
||
(mlet* %store-monad
|
||
((passwd (passwd-file accounts))
|
||
(shadow (passwd-file accounts #:shadow? #t))
|
||
(group (group-file groups))
|
||
(pam.d (pam-services->directory pam-services))
|
||
(sudoers (text-file "sudoers" sudoers))
|
||
(login.defs (text-file "login.defs" "# Empty for now.\n"))
|
||
(shells (text-file "shells" ; used by xterm and others
|
||
"\
|
||
/bin/sh
|
||
/run/current-system/bin/sh
|
||
/run/current-system/bin/bash\n"))
|
||
(issue (text-file "issue" "
|
||
This is an alpha preview of the GNU system. Welcome.
|
||
|
||
This image features the GNU Guix package manager, which was used to
|
||
build it (http://www.gnu.org/software/guix/). The init system is
|
||
GNU dmd (http://www.gnu.org/software/dmd/).
|
||
|
||
You can log in as 'guest' or 'root' with no password.
|
||
"))
|
||
|
||
;; TODO: Generate bashrc from packages' search-paths.
|
||
(bashrc (text-file* "bashrc" "
|
||
export PS1='\\u@\\h\\$ '
|
||
|
||
export LC_ALL=\"" locale "\"
|
||
export TZ=\"" timezone "\"
|
||
export TZDIR=\"" tzdata "/share/zoneinfo\"
|
||
|
||
export PATH=$HOME/.guix-profile/bin:" profile "/bin:" profile "/sbin
|
||
export PATH=/run/setuid-programs:$PATH
|
||
export CPATH=$HOME/.guix-profile/include:" profile "/include
|
||
export LIBRARY_PATH=$HOME/.guix-profile/lib:" profile "/lib
|
||
alias ls='ls -p --color'
|
||
alias ll='ls -l'
|
||
")))
|
||
(file-union "etc"
|
||
`(("services" ,#~(string-append #$net-base "/etc/services"))
|
||
("protocols" ,#~(string-append #$net-base "/etc/protocols"))
|
||
("rpc" ,#~(string-append #$net-base "/etc/rpc"))
|
||
("pam.d" ,#~#$pam.d)
|
||
("login.defs" ,#~#$login.defs)
|
||
("issue" ,#~#$issue)
|
||
("shells" ,#~#$shells)
|
||
("profile" ,#~#$bashrc)
|
||
("localtime" ,#~(string-append #$tzdata "/share/zoneinfo/"
|
||
#$timezone))
|
||
("passwd" ,#~#$passwd)
|
||
("shadow" ,#~#$shadow)
|
||
("group" ,#~#$group)
|
||
|
||
("sudoers" ,#~#$sudoers)))))
|
||
|
||
(define (operating-system-profile os)
|
||
"Return a derivation that builds the default profile of OS."
|
||
;; TODO: Replace with a real profile with a manifest.
|
||
(union (operating-system-packages os)
|
||
#:name "default-profile"))
|
||
|
||
(define (operating-system-accounts os)
|
||
"Return the user accounts for OS, including an obligatory 'root' account."
|
||
(mlet %store-monad ((services (sequence %store-monad
|
||
(operating-system-services os))))
|
||
(return (cons (user-account
|
||
(name "root")
|
||
(password "")
|
||
(uid 0) (gid 0)
|
||
(comment "System administrator")
|
||
(home-directory "/root"))
|
||
(append (operating-system-users os)
|
||
(append-map service-user-accounts
|
||
services))))))
|
||
|
||
(define (operating-system-etc-directory os)
|
||
"Return that static part of the /etc directory of OS."
|
||
(mlet* %store-monad
|
||
((services (sequence %store-monad (operating-system-services os)))
|
||
(pam-services ->
|
||
;; Services known to PAM.
|
||
(delete-duplicates
|
||
(append (operating-system-pam-services os)
|
||
(append-map service-pam-services services))))
|
||
(accounts (operating-system-accounts os))
|
||
(profile-drv (operating-system-profile os))
|
||
(groups -> (append (operating-system-groups os)
|
||
(append-map service-user-groups services))))
|
||
(etc-directory #:accounts accounts #:groups groups
|
||
#:pam-services pam-services
|
||
#:locale (operating-system-locale os)
|
||
#:timezone (operating-system-timezone os)
|
||
#:sudoers (operating-system-sudoers os)
|
||
#:profile profile-drv)))
|
||
|
||
(define %setuid-programs
|
||
;; Default set of setuid-root programs.
|
||
(let ((shadow (@ (gnu packages admin) shadow)))
|
||
(list #~(string-append #$shadow "/bin/passwd")
|
||
#~(string-append #$shadow "/bin/su")
|
||
#~(string-append #$inetutils "/bin/ping")
|
||
#~(string-append #$sudo "/bin/sudo"))))
|
||
|
||
(define %sudoers-specification
|
||
;; Default /etc/sudoers contents: 'root' and all members of the 'wheel'
|
||
;; group can do anything. See
|
||
;; <http://www.sudo.ws/sudo/man/1.8.10/sudoers.man.html>.
|
||
;; TODO: Add a declarative API.
|
||
"root ALL=(ALL) ALL
|
||
%wheel ALL=(ALL) ALL\n")
|
||
|
||
(define (operating-system-boot-script os)
|
||
"Return the boot script for OS---i.e., the code started by the initrd once
|
||
we're running in the final root."
|
||
(define %modules
|
||
'((guix build activation)
|
||
(guix build utils)))
|
||
|
||
(mlet* %store-monad
|
||
((services (sequence %store-monad (operating-system-services os)))
|
||
(etc (operating-system-etc-directory os))
|
||
(modules (imported-modules %modules))
|
||
(compiled (compiled-modules %modules))
|
||
(dmd-conf (dmd-configuration-file services)))
|
||
(define setuid-progs
|
||
(operating-system-setuid-programs os))
|
||
|
||
(gexp->file "boot"
|
||
#~(begin
|
||
(eval-when (expand load eval)
|
||
;; Make sure 'use-modules' below succeeds.
|
||
(set! %load-path (cons #$modules %load-path))
|
||
(set! %load-compiled-path
|
||
(cons #$compiled %load-compiled-path)))
|
||
|
||
(use-modules (guix build activation))
|
||
|
||
;; Populate /etc.
|
||
(activate-etc #$etc)
|
||
|
||
;; Activate setuid programs.
|
||
(activate-setuid-programs (list #$@setuid-progs))
|
||
|
||
;; Start dmd.
|
||
(execl (string-append #$dmd "/bin/dmd")
|
||
"dmd" "--config" #$dmd-conf)))))
|
||
|
||
(define (operating-system-root-file-system os)
|
||
"Return the root file system of OS."
|
||
(find (match-lambda
|
||
(($ <file-system> _ "/") #t)
|
||
(_ #f))
|
||
(operating-system-file-systems os)))
|
||
|
||
(define (operating-system-derivation os)
|
||
"Return a derivation that builds OS."
|
||
(define boot-file-systems
|
||
(filter (match-lambda
|
||
(($ <file-system> device "/")
|
||
#t)
|
||
(($ <file-system> device mount-point type flags options boot?)
|
||
boot?))
|
||
(operating-system-file-systems os)))
|
||
|
||
(mlet* %store-monad
|
||
((profile (operating-system-profile os))
|
||
(etc (operating-system-etc-directory os))
|
||
(services (sequence %store-monad (operating-system-services os)))
|
||
(boot (operating-system-boot-script os))
|
||
(kernel -> (operating-system-kernel os))
|
||
(initrd ((operating-system-initrd os) boot-file-systems))
|
||
(initrd-file -> #~(string-append #$initrd "/initrd"))
|
||
(root-fs -> (operating-system-root-file-system os))
|
||
(entries -> (list (menu-entry
|
||
(label (string-append
|
||
"GNU system with "
|
||
(package-full-name kernel)
|
||
" (technology preview)"))
|
||
(linux kernel)
|
||
(linux-arguments
|
||
(list (string-append "--root="
|
||
(file-system-device root-fs))
|
||
#~(string-append "--load=" #$boot)))
|
||
(initrd initrd-file))))
|
||
(grub.cfg (grub-configuration-file entries)))
|
||
(file-union "system"
|
||
`(("boot" ,#~#$boot)
|
||
("kernel" ,#~#$kernel)
|
||
("initrd" ,initrd-file)
|
||
("profile" ,#~#$profile)
|
||
("grub.cfg" ,#~#$grub.cfg)
|
||
("etc" ,#~#$etc)))))
|
||
|
||
;;; system.scm ends here
|