806 lines
31 KiB
Scheme
806 lines
31 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
|
||
;;; Copyright © 2013, 2014, 2015, 2016 Ludovic Courtès <ludo@gnu.org>
|
||
;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
|
||
;;; Copyright © 2015, 2016 Alex Kost <alezost@gmail.com>
|
||
;;;
|
||
;;; 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 (guix profiles)
|
||
#:use-module (guix ui)
|
||
#:use-module (gnu packages base)
|
||
#:use-module (gnu packages bash)
|
||
#:use-module (gnu packages guile)
|
||
#:use-module (gnu packages admin)
|
||
#:use-module (gnu packages linux)
|
||
#:use-module (gnu packages pciutils)
|
||
#:use-module (gnu packages package-management)
|
||
#:use-module (gnu packages less)
|
||
#:use-module (gnu packages zile)
|
||
#:use-module (gnu packages nano)
|
||
#:use-module (gnu packages lsof)
|
||
#:use-module (gnu packages gawk)
|
||
#:use-module (gnu packages man)
|
||
#:use-module (gnu packages texinfo)
|
||
#:use-module (gnu packages compression)
|
||
#:use-module (gnu packages firmware)
|
||
#:autoload (gnu packages cryptsetup) (cryptsetup)
|
||
#:use-module (gnu services)
|
||
#:use-module (gnu services shepherd)
|
||
#:use-module (gnu services base)
|
||
#:use-module (gnu system grub)
|
||
#:use-module (gnu system shadow)
|
||
#:use-module (gnu system nss)
|
||
#:use-module (gnu system locale)
|
||
#:use-module (gnu system pam)
|
||
#:use-module (gnu system linux-initrd)
|
||
#:use-module (gnu system file-systems)
|
||
#:use-module (ice-9 match)
|
||
#:use-module (srfi srfi-1)
|
||
#:use-module (srfi srfi-26)
|
||
#:use-module (srfi srfi-34)
|
||
#:use-module (srfi srfi-35)
|
||
#:export (operating-system
|
||
operating-system?
|
||
|
||
operating-system-bootloader
|
||
operating-system-services
|
||
operating-system-user-services
|
||
operating-system-packages
|
||
operating-system-host-name
|
||
operating-system-hosts-file
|
||
operating-system-kernel
|
||
operating-system-kernel-arguments
|
||
operating-system-initrd
|
||
operating-system-users
|
||
operating-system-groups
|
||
operating-system-issue
|
||
operating-system-timezone
|
||
operating-system-locale
|
||
operating-system-locale-definitions
|
||
operating-system-locale-libcs
|
||
operating-system-mapped-devices
|
||
operating-system-file-systems
|
||
operating-system-store-file-system
|
||
operating-system-activation-script
|
||
|
||
operating-system-derivation
|
||
operating-system-profile
|
||
operating-system-grub.cfg
|
||
operating-system-etc-directory
|
||
operating-system-locale-directory
|
||
operating-system-boot-script
|
||
|
||
boot-parameters
|
||
boot-parameters?
|
||
boot-parameters-label
|
||
boot-parameters-root-device
|
||
boot-parameters-kernel
|
||
boot-parameters-kernel-arguments
|
||
read-boot-parameters
|
||
|
||
local-host-aliases
|
||
%setuid-programs
|
||
%base-packages
|
||
%base-firmware
|
||
|
||
luks-device-mapping))
|
||
|
||
;;; 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))
|
||
(kernel-arguments operating-system-kernel-arguments
|
||
(default '())) ; list of gexps/strings
|
||
(bootloader operating-system-bootloader) ; <grub-configuration>
|
||
|
||
(initrd operating-system-initrd ; (list fs) -> M derivation
|
||
(default base-initrd))
|
||
(firmware operating-system-firmware ; list of packages
|
||
(default %base-firmware))
|
||
|
||
(host-name operating-system-host-name) ; string
|
||
(hosts-file operating-system-hosts-file ; file-like | #f
|
||
(default #f))
|
||
|
||
(mapped-devices operating-system-mapped-devices ; list of <mapped-device>
|
||
(default '()))
|
||
(file-systems operating-system-file-systems) ; list of fs
|
||
(swap-devices operating-system-swap-devices ; list of strings
|
||
(default '()))
|
||
|
||
(users operating-system-users ; list of user accounts
|
||
(default %base-user-accounts))
|
||
(groups operating-system-groups ; list of user groups
|
||
(default %base-groups))
|
||
|
||
(skeletons operating-system-skeletons ; list of name/monadic value
|
||
(default (default-skeletons)))
|
||
(issue operating-system-issue ; string
|
||
(default %default-issue))
|
||
|
||
(packages operating-system-packages ; list of (PACKAGE OUTPUT...)
|
||
(default %base-packages)) ; or just PACKAGE
|
||
|
||
(timezone operating-system-timezone) ; string
|
||
(locale operating-system-locale ; string
|
||
(default "en_US.utf8"))
|
||
(locale-definitions operating-system-locale-definitions ; list of <locale-definition>
|
||
(default %default-locale-definitions))
|
||
(locale-libcs operating-system-locale-libcs ; list of <packages>
|
||
(default %default-locale-libcs))
|
||
(name-service-switch operating-system-name-service-switch ; <name-service-switch>
|
||
(default %default-nss))
|
||
|
||
(services operating-system-user-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-file operating-system-sudoers-file ; file-like
|
||
(default %sudoers-specification)))
|
||
|
||
|
||
;;;
|
||
;;; Services.
|
||
;;;
|
||
|
||
(define (open-luks-device source target)
|
||
"Return a gexp that maps SOURCE to TARGET as a LUKS device, using
|
||
'cryptsetup'."
|
||
#~(zero? (system* (string-append #$cryptsetup "/sbin/cryptsetup")
|
||
"open" "--type" "luks"
|
||
#$source #$target)))
|
||
|
||
(define (close-luks-device source target)
|
||
"Return a gexp that closes TARGET, a LUKS device."
|
||
#~(zero? (system* (string-append #$cryptsetup "/sbin/cryptsetup")
|
||
"close" #$target)))
|
||
|
||
(define luks-device-mapping
|
||
;; The type of LUKS mapped devices.
|
||
(mapped-device-kind
|
||
(open open-luks-device)
|
||
(close close-luks-device)))
|
||
|
||
(define (other-file-system-services os)
|
||
"Return file system services for the file systems of OS that are not marked
|
||
as 'needed-for-boot'."
|
||
(define file-systems
|
||
(remove file-system-needed-for-boot?
|
||
(operating-system-file-systems os)))
|
||
|
||
(define (device-mappings fs)
|
||
(let ((device (file-system-device fs)))
|
||
(if (string? device) ;title is 'device
|
||
(filter (lambda (md)
|
||
(string=? (string-append "/dev/mapper/"
|
||
(mapped-device-target md))
|
||
device))
|
||
(operating-system-mapped-devices os))
|
||
'())))
|
||
|
||
(define (add-dependencies fs)
|
||
;; Add the dependencies due to device mappings to FS.
|
||
(file-system
|
||
(inherit fs)
|
||
(dependencies
|
||
(delete-duplicates (append (device-mappings fs)
|
||
(file-system-dependencies fs))
|
||
eq?))))
|
||
|
||
(map (compose file-system-service add-dependencies) file-systems))
|
||
|
||
(define (mapped-device-user device file-systems)
|
||
"Return a file system among FILE-SYSTEMS that uses DEVICE, or #f."
|
||
(let ((target (string-append "/dev/mapper/" (mapped-device-target device))))
|
||
(find (lambda (fs)
|
||
(and (eq? 'device (file-system-title fs))
|
||
(string=? (file-system-device fs) target)))
|
||
file-systems)))
|
||
|
||
(define (operating-system-user-mapped-devices os)
|
||
"Return the subset of mapped devices that can be installed in
|
||
user-land--i.e., those not needed during boot."
|
||
(let ((devices (operating-system-mapped-devices os))
|
||
(file-systems (operating-system-file-systems os)))
|
||
(filter (lambda (md)
|
||
(let ((user (mapped-device-user md file-systems)))
|
||
(or (not user)
|
||
(not (file-system-needed-for-boot? user)))))
|
||
devices)))
|
||
|
||
(define (operating-system-boot-mapped-devices os)
|
||
"Return the subset of mapped devices that must be installed during boot,
|
||
from the initrd."
|
||
(let ((devices (operating-system-mapped-devices os))
|
||
(file-systems (operating-system-file-systems os)))
|
||
(filter (lambda (md)
|
||
(let ((user (mapped-device-user md file-systems)))
|
||
(and user (file-system-needed-for-boot? user))))
|
||
devices)))
|
||
|
||
(define (device-mapping-services os)
|
||
"Return the list of device-mapping services for OS as a list."
|
||
(map (lambda (md)
|
||
(let* ((source (mapped-device-source md))
|
||
(target (mapped-device-target md))
|
||
(type (mapped-device-type md))
|
||
(open (mapped-device-kind-open type))
|
||
(close (mapped-device-kind-close type)))
|
||
(device-mapping-service target
|
||
(open source target)
|
||
(close source target))))
|
||
(operating-system-user-mapped-devices os)))
|
||
|
||
(define (swap-services os)
|
||
"Return the list of swap services for OS."
|
||
(map swap-service (operating-system-swap-devices os)))
|
||
|
||
(define* (operating-system-directory-base-entries os #:key container?)
|
||
"Return the basic entries of the 'system' directory of OS for use as the
|
||
value of the SYSTEM-SERVICE-TYPE service."
|
||
(mlet %store-monad ((locale (operating-system-locale-directory os)))
|
||
(if container?
|
||
(return `(("locale" ,locale)))
|
||
(mlet %store-monad
|
||
((kernel -> (operating-system-kernel os))
|
||
(initrd (operating-system-initrd-file os))
|
||
(params (operating-system-parameters-file os)))
|
||
(return `(("kernel" ,kernel)
|
||
("parameters" ,params)
|
||
("initrd" ,initrd)
|
||
("locale" ,locale))))))) ;used by libc
|
||
|
||
(define* (essential-services os #:key container?)
|
||
"Return the list of essential services for OS. These are special services
|
||
that implement part of what's declared in OS are responsible for low-level
|
||
bookkeeping. CONTAINER? determines whether to return the list of services for
|
||
a container or that of a \"bare metal\" system."
|
||
(define known-fs
|
||
(map file-system-mount-point (operating-system-file-systems os)))
|
||
|
||
(let* ((mappings (device-mapping-services os))
|
||
(root-fs (root-file-system-service))
|
||
(other-fs (other-file-system-services os))
|
||
(unmount (user-unmount-service known-fs))
|
||
(swaps (swap-services os))
|
||
(procs (user-processes-service
|
||
(map service-parameters other-fs)))
|
||
(host-name (host-name-service (operating-system-host-name os)))
|
||
(entries (operating-system-directory-base-entries
|
||
os #:container? container?)))
|
||
(cons* (service system-service-type entries)
|
||
%boot-service
|
||
|
||
;; %SHEPHERD-ROOT-SERVICE must come first so that the gexp that
|
||
;; execs shepherd comes last in the boot script (XXX). Likewise,
|
||
;; the cleanup service must come last so that its gexp runs before
|
||
;; activation code.
|
||
%shepherd-root-service
|
||
%activation-service
|
||
(service cleanup-service-type #f)
|
||
|
||
(pam-root-service (operating-system-pam-services os))
|
||
(account-service (append (operating-system-accounts os)
|
||
(operating-system-groups os))
|
||
(operating-system-skeletons os))
|
||
(operating-system-etc-service os)
|
||
(service fstab-service-type '())
|
||
(session-environment-service
|
||
(operating-system-environment-variables os))
|
||
host-name procs root-fs unmount
|
||
(service setuid-program-service-type
|
||
(operating-system-setuid-programs os))
|
||
(service profile-service-type
|
||
(operating-system-packages os))
|
||
(append other-fs mappings swaps
|
||
|
||
;; Add the firmware service, unless we are building for a
|
||
;; container.
|
||
(if container?
|
||
'()
|
||
(list %linux-bare-metal-service
|
||
(service firmware-service-type
|
||
(operating-system-firmware os))))))))
|
||
|
||
(define* (operating-system-services os #:key container?)
|
||
"Return all the services of OS, including \"internal\" services that do not
|
||
explicitly appear in OS."
|
||
(append (operating-system-user-services os)
|
||
(essential-services os #:container? container?)))
|
||
|
||
|
||
;;;
|
||
;;; /etc.
|
||
;;;
|
||
|
||
(define %base-firmware
|
||
;; Firmware usable by default.
|
||
(list ath9k-htc-firmware))
|
||
|
||
(define %base-packages
|
||
;; Default set of packages globally visible. It should include anything
|
||
;; required for basic administrator tasks.
|
||
(cons* procps psmisc which less zile nano
|
||
lsof ;for Guix's 'list-runtime-roots'
|
||
pciutils usbutils
|
||
util-linux inetutils isc-dhcp
|
||
|
||
;; wireless-tools is deprecated in favor of iw, but it's still what
|
||
;; many people are familiar with, so keep it around.
|
||
iw wireless-tools rfkill
|
||
|
||
iproute
|
||
net-tools ; XXX: remove when Inetutils suffices
|
||
man-db
|
||
texinfo ;for the standalone Info reader
|
||
|
||
;; The 'sudo' command is already in %SETUID-PROGRAMS, but we also
|
||
;; want the other commands and the man pages (notably because
|
||
;; auto-completion in Emacs shell relies on man pages.)
|
||
sudo
|
||
|
||
;; Get 'insmod' & co. from kmod, not module-init-tools, since udev
|
||
;; already depends on it anyway.
|
||
kmod eudev-with-blkid
|
||
|
||
e2fsprogs kbd
|
||
|
||
bash-completion
|
||
|
||
;; The packages below are also in %FINAL-INPUTS, so take them from
|
||
;; there to avoid duplication.
|
||
(map canonical-package
|
||
(list guile-2.0 bash coreutils findutils grep sed
|
||
diffutils patch gawk tar gzip bzip2 xz lzip))))
|
||
|
||
(define %default-issue
|
||
;; Default contents for /etc/issue.
|
||
"
|
||
This is the GNU system. Welcome.\n")
|
||
|
||
(define (local-host-aliases host-name)
|
||
"Return aliases for HOST-NAME, to be used in /etc/hosts."
|
||
(string-append "127.0.0.1 localhost " host-name "\n"
|
||
"::1 localhost " host-name "\n"))
|
||
|
||
(define (default-/etc/hosts host-name)
|
||
"Return the default /etc/hosts file."
|
||
(plain-file "hosts" (local-host-aliases host-name)))
|
||
|
||
(define (emacs-site-file)
|
||
"Return the Emacs 'site-start.el' file. That file contains the necessary
|
||
settings for 'guix.el' to work out-of-the-box."
|
||
(scheme-file "site-start.el"
|
||
#~(progn
|
||
;; Add the "normal" elisp directory to the search path;
|
||
;; guix.el may be there.
|
||
(add-to-list
|
||
'load-path
|
||
"/run/current-system/profile/share/emacs/site-lisp")
|
||
|
||
;; Attempt to load guix.el.
|
||
(require 'guix-init nil t)
|
||
|
||
;; Attempt to load geiser.
|
||
(require 'geiser-install nil t))))
|
||
|
||
(define (emacs-site-directory)
|
||
"Return the Emacs site directory, aka. /etc/emacs."
|
||
(computed-file "emacs"
|
||
#~(begin
|
||
(mkdir #$output)
|
||
(chdir #$output)
|
||
(symlink #$(emacs-site-file) "site-start.el"))))
|
||
|
||
(define* (operating-system-etc-service os)
|
||
"Return a <service> that builds containing the static part of the /etc
|
||
directory."
|
||
(let ((login.defs (plain-file "login.defs" "# Empty for now.\n"))
|
||
|
||
(emacs (emacs-site-directory))
|
||
(issue (plain-file "issue" (operating-system-issue os)))
|
||
(nsswitch (plain-file "nsswitch.conf"
|
||
(name-service-switch->string
|
||
(operating-system-name-service-switch os))))
|
||
|
||
;; Startup file for POSIX-compliant login shells, which set system-wide
|
||
;; environment variables.
|
||
(profile (mixed-text-file "profile" "\
|
||
# Crucial variables that could be missing in the profiles' 'etc/profile'
|
||
# because they would require combining both profiles.
|
||
# FIXME: See <http://bugs.gnu.org/20255>.
|
||
export MANPATH=$HOME/.guix-profile/share/man:/run/current-system/profile/share/man
|
||
export INFOPATH=$HOME/.guix-profile/share/info:/run/current-system/profile/share/info
|
||
export XDG_DATA_DIRS=$HOME/.guix-profile/share:/run/current-system/profile/share
|
||
export XDG_CONFIG_DIRS=$HOME/.guix-profile/etc/xdg:/run/current-system/profile/etc/xdg
|
||
|
||
# Ignore the default value of 'PATH'.
|
||
unset PATH
|
||
|
||
# Load the system profile's settings.
|
||
GUIX_PROFILE=/run/current-system/profile \\
|
||
. /run/current-system/profile/etc/profile
|
||
|
||
# Prepend setuid programs.
|
||
export PATH=/run/setuid-programs:$PATH
|
||
|
||
if [ -f \"$HOME/.guix-profile/etc/profile\" ]
|
||
then
|
||
# Load the user profile's settings.
|
||
GUIX_PROFILE=\"$HOME/.guix-profile\" \\
|
||
. \"$HOME/.guix-profile/etc/profile\"
|
||
else
|
||
# At least define this one so that basic things just work
|
||
# when the user installs their first package.
|
||
export PATH=\"$HOME/.guix-profile/bin:$PATH\"
|
||
fi
|
||
|
||
# Since 'lshd' does not use pam_env, /etc/environment must be explicitly
|
||
# loaded when someone logs in via SSH. See <http://bugs.gnu.org/22175>.
|
||
# We need 'PATH' to be defined here, for 'cat' and 'cut'.
|
||
if [ -f /etc/environment -a -n \"$SSH_CLIENT\" \\
|
||
-a -z \"$LINUX_MODULE_DIRECTORY\" ]
|
||
then
|
||
. /etc/environment
|
||
export `cat /etc/environment | cut -d= -f1`
|
||
fi
|
||
|
||
# Set the umask, notably for users logging in via 'lsh'.
|
||
# See <http://bugs.gnu.org/22650>.
|
||
umask 022
|
||
|
||
# Allow GStreamer-based applications to find plugins.
|
||
export GST_PLUGIN_PATH=\"$HOME/.guix-profile/lib/gstreamer-1.0\"
|
||
|
||
if [ -n \"$BASH_VERSION\" -a -f /etc/bashrc ]
|
||
then
|
||
# Load Bash-specific initialization code.
|
||
. /etc/bashrc
|
||
fi
|
||
"))
|
||
|
||
(bashrc (plain-file "bashrc" "\
|
||
# Bash-specific initialization.
|
||
|
||
# The 'bash-completion' package.
|
||
if [ -f /run/current-system/profile/etc/profile.d/bash_completion.sh ]
|
||
then
|
||
# Bash-completion sources ~/.bash_completion. It installs a dynamic
|
||
# completion loader that searches its own completion files as well
|
||
# as those in ~/.guix-profile and /run/current-system/profile.
|
||
source /run/current-system/profile/etc/profile.d/bash_completion.sh
|
||
fi\n")))
|
||
(etc-service
|
||
`(("services" ,#~(string-append #$net-base "/etc/services"))
|
||
("protocols" ,#~(string-append #$net-base "/etc/protocols"))
|
||
("rpc" ,#~(string-append #$net-base "/etc/rpc"))
|
||
("emacs" ,#~#$emacs)
|
||
("login.defs" ,#~#$login.defs)
|
||
("issue" ,#~#$issue)
|
||
("nsswitch.conf" ,#~#$nsswitch)
|
||
("profile" ,#~#$profile)
|
||
("bashrc" ,#~#$bashrc)
|
||
("hosts" ,#~#$(or (operating-system-hosts-file os)
|
||
(default-/etc/hosts (operating-system-host-name os))))
|
||
("localtime" ,#~(string-append #$tzdata "/share/zoneinfo/"
|
||
#$(operating-system-timezone os)))
|
||
("sudoers" ,(operating-system-sudoers-file os))))))
|
||
|
||
(define %root-account
|
||
;; Default root account.
|
||
(user-account
|
||
(name "root")
|
||
(password "")
|
||
(uid 0) (group "root")
|
||
(comment "System administrator")
|
||
(home-directory "/root")))
|
||
|
||
(define (operating-system-accounts os)
|
||
"Return the user accounts for OS, including an obligatory 'root' account,
|
||
and excluding accounts requested by services."
|
||
;; Make sure there's a root account.
|
||
(if (find (lambda (user)
|
||
(and=> (user-account-uid user) zero?))
|
||
(operating-system-users os))
|
||
(operating-system-users os)
|
||
(cons %root-account (operating-system-users os))))
|
||
|
||
(define (maybe-string->file file-name thing)
|
||
"If THING is a string, return a <plain-file> with THING as its content.
|
||
Otherwise just return THING.
|
||
|
||
This is for backward-compatibility of fields that used to be strings and are
|
||
now file-like objects.."
|
||
(match thing
|
||
((? string?)
|
||
(warning (_ "using a string for file '~a' is deprecated; \
|
||
use 'plain-file' instead~%")
|
||
file-name)
|
||
(plain-file file-name thing))
|
||
(x
|
||
x)))
|
||
|
||
(define (maybe-file->monadic file-name thing)
|
||
"If THING is a value in %STORE-MONAD, return it as is; otherwise return
|
||
THING in the %STORE-MONAD.
|
||
|
||
This is for backward-compatibility of fields that used to be monadic values
|
||
and are now file-like objects."
|
||
(with-monad %store-monad
|
||
(match thing
|
||
((? procedure?)
|
||
(warning (_ "using a monadic value for '~a' is deprecated; \
|
||
use 'plain-file' instead~%")
|
||
file-name)
|
||
thing)
|
||
(x
|
||
(return x)))))
|
||
|
||
(define (operating-system-etc-directory os)
|
||
"Return that static part of the /etc directory of OS."
|
||
(etc-directory
|
||
(fold-services (operating-system-services os)
|
||
#:target-type etc-service-type)))
|
||
|
||
(define (operating-system-environment-variables os)
|
||
"Return the environment variables of OS for
|
||
@var{session-environment-service-type}, to be used in @file{/etc/environment}."
|
||
`(("LANG" . ,(operating-system-locale os))
|
||
("TZ" . ,(operating-system-timezone os))
|
||
("TZDIR" . ,#~(string-append #$tzdata "/share/zoneinfo"))
|
||
;; Tell 'modprobe' & co. where to look for modules.
|
||
("LINUX_MODULE_DIRECTORY" . "/run/booted-system/kernel/lib/modules")
|
||
;; These variables are honored by OpenSSL (libssl) and Git.
|
||
("SSL_CERT_DIR" . "/etc/ssl/certs")
|
||
("SSL_CERT_FILE" . "/etc/ssl/certs/ca-certificates.crt")
|
||
("GIT_SSL_CAINFO" . "/etc/ssl/certs/ca-certificates.crt")
|
||
;; Prepend the directory of 'site-start.el' to the search path, so
|
||
;; that it has higher precedence than the 'site-start.el' file our
|
||
;; Emacs package provides.
|
||
("EMACSLOADPATH" . "/etc/emacs:")
|
||
;; By default, applications that use D-Bus, such as Emacs, abort at startup
|
||
;; when /etc/machine-id is missing. Make sure these warnings are non-fatal.
|
||
("DBUS_FATAL_WARNINGS" . "0")))
|
||
|
||
(define %setuid-programs
|
||
;; Default set of setuid-root programs.
|
||
(let ((shadow (@ (gnu packages admin) shadow)))
|
||
(list #~(string-append #$shadow "/bin/passwd")
|
||
#~(string-append #$shadow "/bin/su")
|
||
#~(string-append #$inetutils "/bin/ping")
|
||
#~(string-append #$inetutils "/bin/ping6")
|
||
#~(string-append #$sudo "/bin/sudo")
|
||
#~(string-append #$fuse "/bin/fusermount"))))
|
||
|
||
(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.
|
||
(plain-file "sudoers" "\
|
||
root ALL=(ALL) ALL
|
||
%wheel ALL=(ALL) ALL\n"))
|
||
|
||
(define* (operating-system-activation-script os #:key container?)
|
||
"Return the activation script for OS---i.e., the code that \"activates\" the
|
||
stateful part of OS, including user accounts and groups, special directories,
|
||
etc."
|
||
(let* ((services (operating-system-services os #:container? container?))
|
||
(activation (fold-services services
|
||
#:target-type activation-service-type)))
|
||
(activation-service->script activation)))
|
||
|
||
(define* (operating-system-boot-script os #:key container?)
|
||
"Return the boot script for OS---i.e., the code started by the initrd once
|
||
we're running in the final root. When CONTAINER? is true, skip all
|
||
hardware-related operations as necessary when booting a Linux container."
|
||
(let* ((services (operating-system-services os #:container? container?))
|
||
(boot (fold-services services #:target-type boot-service-type)))
|
||
;; BOOT is the script as a monadic value.
|
||
(service-parameters boot)))
|
||
|
||
(define* (operating-system-derivation os #:key container?)
|
||
"Return a derivation that builds OS."
|
||
(let* ((services (operating-system-services os #:container? container?))
|
||
(system (fold-services services)))
|
||
;; SYSTEM contains the derivation as a monadic value.
|
||
(service-parameters system)))
|
||
|
||
(define* (operating-system-profile os #:key container?)
|
||
"Return a derivation that builds the system profile of OS."
|
||
(mlet* %store-monad
|
||
((services -> (operating-system-services os #:container? container?))
|
||
(profile (fold-services services
|
||
#:target-type profile-service-type)))
|
||
(match profile
|
||
(("profile" profile)
|
||
(return profile)))))
|
||
|
||
(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-initrd-file os)
|
||
"Return a gexp denoting the initrd file of OS."
|
||
(define boot-file-systems
|
||
(filter file-system-needed-for-boot?
|
||
(operating-system-file-systems os)))
|
||
|
||
(define mapped-devices
|
||
(operating-system-boot-mapped-devices os))
|
||
|
||
(define make-initrd
|
||
(operating-system-initrd os))
|
||
|
||
(mlet %store-monad ((initrd (make-initrd boot-file-systems
|
||
#:linux (operating-system-kernel os)
|
||
#:mapped-devices mapped-devices)))
|
||
(return #~(string-append #$initrd "/initrd"))))
|
||
|
||
(define (locale-name->definition* name)
|
||
"Variant of 'locale-name->definition' that raises an error upon failure."
|
||
(match (locale-name->definition name)
|
||
(#f
|
||
(raise (condition
|
||
(&message
|
||
(message (format #f (_ "~a: invalid locale name") name))))))
|
||
(def def)))
|
||
|
||
(define (operating-system-locale-directory os)
|
||
"Return the directory containing the locales compiled for the definitions
|
||
listed in OS. The C library expects to find it under
|
||
/run/current-system/locale."
|
||
(define name
|
||
(operating-system-locale os))
|
||
|
||
(define definitions
|
||
;; While we're at it, check whether NAME is defined and add it if needed.
|
||
(if (member name (map locale-definition-name
|
||
(operating-system-locale-definitions os)))
|
||
(operating-system-locale-definitions os)
|
||
(cons (locale-name->definition* name)
|
||
(operating-system-locale-definitions os))))
|
||
|
||
(locale-directory definitions
|
||
#:libcs (operating-system-locale-libcs os)))
|
||
|
||
(define (kernel->grub-label kernel)
|
||
"Return a label for the GRUB menu entry that boots KERNEL."
|
||
(string-append "GNU with "
|
||
(string-titlecase (package-name kernel)) " "
|
||
(package-version kernel)
|
||
" (beta)"))
|
||
|
||
(define (store-file-system file-systems)
|
||
"Return the file system object among FILE-SYSTEMS that contains the store."
|
||
(match (filter (lambda (fs)
|
||
(and (file-system-mount? fs)
|
||
(not (memq 'bind-mount (file-system-flags fs)))
|
||
(string-prefix? (file-system-mount-point fs)
|
||
(%store-prefix))))
|
||
file-systems)
|
||
((and candidates (head . tail))
|
||
(reduce (lambda (fs1 fs2)
|
||
(if (> (string-length (file-system-mount-point fs1))
|
||
(string-length (file-system-mount-point fs2)))
|
||
fs1
|
||
fs2))
|
||
head
|
||
candidates))))
|
||
|
||
(define (operating-system-store-file-system os)
|
||
"Return the file system that contains the store of OS."
|
||
(store-file-system (operating-system-file-systems os)))
|
||
|
||
(define* (operating-system-grub.cfg os #:optional (old-entries '()))
|
||
"Return the GRUB configuration file for OS. Use OLD-ENTRIES to populate the
|
||
\"old entries\" menu."
|
||
(mlet* %store-monad
|
||
((system (operating-system-derivation os))
|
||
(root-fs -> (operating-system-root-file-system os))
|
||
(store-fs -> (operating-system-store-file-system os))
|
||
(kernel -> (operating-system-kernel os))
|
||
(root-device -> (if (eq? 'uuid (file-system-title root-fs))
|
||
(uuid->string (file-system-device root-fs))
|
||
(file-system-device root-fs)))
|
||
(entries -> (list (menu-entry
|
||
(label (kernel->grub-label kernel))
|
||
(linux kernel)
|
||
(linux-arguments
|
||
(cons* (string-append "--root=" root-device)
|
||
#~(string-append "--system=" #$system)
|
||
#~(string-append "--load=" #$system
|
||
"/boot")
|
||
(operating-system-kernel-arguments os)))
|
||
(initrd #~(string-append #$system "/initrd"))))))
|
||
(grub-configuration-file (operating-system-bootloader os)
|
||
store-fs entries
|
||
#:old-entries old-entries)))
|
||
|
||
(define (operating-system-parameters-file os)
|
||
"Return a file that describes the boot parameters of OS. The primary use of
|
||
this file is the reconstruction of GRUB menu entries for old configurations."
|
||
(mlet %store-monad ((initrd (operating-system-initrd-file os))
|
||
(root -> (operating-system-root-file-system os))
|
||
(label -> (kernel->grub-label
|
||
(operating-system-kernel os))))
|
||
(gexp->file "parameters"
|
||
#~(boot-parameters (version 0)
|
||
(label #$label)
|
||
(root-device #$(file-system-device root))
|
||
(kernel #$(operating-system-kernel os))
|
||
(kernel-arguments
|
||
#$(operating-system-kernel-arguments os))
|
||
(initrd #$initrd)))))
|
||
|
||
|
||
;;;
|
||
;;; Boot parameters
|
||
;;;
|
||
|
||
(define-record-type* <boot-parameters>
|
||
boot-parameters make-boot-parameters boot-parameters?
|
||
(label boot-parameters-label)
|
||
(root-device boot-parameters-root-device)
|
||
(kernel boot-parameters-kernel)
|
||
(kernel-arguments boot-parameters-kernel-arguments))
|
||
|
||
(define (read-boot-parameters port)
|
||
"Read boot parameters from PORT and return the corresponding
|
||
<boot-parameters> object or #f if the format is unrecognized."
|
||
(match (read port)
|
||
(('boot-parameters ('version 0)
|
||
('label label) ('root-device root)
|
||
('kernel linux)
|
||
rest ...)
|
||
(boot-parameters
|
||
(label label)
|
||
(root-device root)
|
||
(kernel linux)
|
||
(kernel-arguments
|
||
(match (assq 'kernel-arguments rest)
|
||
((_ args) args)
|
||
(#f '()))))) ;the old format
|
||
(x ;unsupported format
|
||
(warning (_ "unrecognized boot parameters for '~a'~%")
|
||
system)
|
||
#f)))
|
||
|
||
;;; system.scm ends here
|