#:use-module (guix records)
#:use-module (guix packages)
#:use-module (guix derivations)
+ #:use-module (guix profiles)
#:use-module (gnu packages base)
#:use-module (gnu packages bash)
+ #:use-module (gnu packages guile)
+ #:use-module (gnu packages which)
#: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 which)
#: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 compression)
+ #:use-module (gnu packages firmware)
+ #:autoload (gnu packages cryptsetup) (cryptsetup)
#: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 locale)
#:use-module (gnu system linux)
#: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-user-services
operating-system-packages
operating-system-host-name
+ operating-system-hosts-file
operating-system-kernel
operating-system-initrd
operating-system-users
operating-system-packages
operating-system-timezone
operating-system-locale
+ operating-system-locale-definitions
+ operating-system-mapped-devices
operating-system-file-systems
+ operating-system-activation-script
operating-system-derivation
operating-system-profile
operating-system-grub.cfg
- %base-packages))
+ local-host-aliases
+ %setuid-programs
+ %base-packages
+ %base-firmware
+
+ luks-device-mapping))
;;; Commentary:
;;;
(bootloader operating-system-bootloader) ; <grub-configuration>
(initrd operating-system-initrd ; (list fs) -> M derivation
- (default qemu-initrd))
+ (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 ; M item | #f
+ (default #f))
- (file-systems operating-system-file-systems ; list of fs
+ (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-packages)) ; or just PACKAGE
(timezone operating-system-timezone) ; string
- (locale operating-system-locale) ; string
+ (locale operating-system-locale ; string
+ (default "en_US.utf8"))
+ (locale-definitions operating-system-locale-definitions ; list of <locale-definition>
+ (default %default-locale-definitions))
(services operating-system-user-services ; list of monadic services
(default %base-services))
;;; 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 #$output inputs)))
-
- (gexp->derivation name builder
- #:system system
- #:modules '((guix build union))
- #:guile-for-build guile
- #:local-build? #t))
-
(define* (file-union name files)
"Return a derivation that builds a directory containing all of FILES. Each
item in FILES must be a list where the first element is the file name to use
(gexp->derivation name builder))
+(define (directory-union name things)
+ "Return a directory that is the union of THINGS."
+ (match things
+ ((one)
+ ;; Only one thing; return it.
+ (with-monad %store-monad (return one)))
+ (_
+ (gexp->derivation name
+ #~(begin
+ (use-modules (guix build union))
+ (union-build #$output '#$things))
+ #:modules '((guix build union))
+ #:local-build? #t))))
+
\f
;;;
;;; Services.
;;;
+(define (open-luks-device source target)
+ "Return a gexp that maps SOURCE to TARGET as a LUKS device, using
+'cryptsetup'."
+ #~(zero? (system* (string-append #$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 (lambda (fs)
- (or (file-system-needed-for-boot? fs)
- (string=? "/" (file-system-mount-point fs))))
+ (remove file-system-needed-for-boot?
(operating-system-file-systems os)))
+ (define (device-mappings fs)
+ (filter (lambda (md)
+ (string=? (string-append "/dev/mapper/"
+ (mapped-device-target md))
+ (file-system-device fs)))
+ (operating-system-mapped-devices os)))
+
+ (define (requirements fs)
+ (map (lambda (md)
+ (symbol-append 'device-mapping-
+ (string->symbol (mapped-device-target md))))
+ (device-mappings fs)))
+
(sequence %store-monad
- (map (match-lambda
- (($ <file-system> device title target type flags opts
- #f check?)
- (file-system-service device target type
- #:title title
- #:check? check?
- #:options opts)))
+ (map (lambda (fs)
+ (match fs
+ (($ <file-system> device title target type flags opts
+ #f check? create?)
+ (file-system-service device target type
+ #:title title
+ #:requirements (requirements fs)
+ #:check? check?
+ #:create-mount-point? create?
+ #:options opts
+ #:flags flags))))
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)
+ (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 monadic list."
+ (sequence %store-monad
+ (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 as a monadic list."
+ (sequence %store-monad
+ (map swap-service (operating-system-swap-devices os))))
+
(define (essential-services os)
"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."
- (mlet* %store-monad ((root-fs (root-file-system-service))
+ (define known-fs
+ (map file-system-mount-point (operating-system-file-systems os)))
+
+ (mlet* %store-monad ((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 (compose first service-provision)
other-fs)))
(host-name (host-name-service
(operating-system-host-name os))))
- (return (cons* host-name procs root-fs other-fs))))
+ (return (cons* host-name procs root-fs unmount
+ (append other-fs mappings swaps)))))
(define (operating-system-services os)
"Return all the services of OS, including \"internal\" services that do not
;;; /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 less zile
- guile-final (@ (gnu packages admin) dmd) guix
- util-linux inetutils isc-dhcp
+ (cons* procps psmisc which less zile nano
+ (@ (gnu packages admin) dmd) guix
+ lsof ;for Guix's 'list-runtime-roots'
+ pciutils usbutils
+ util-linux inetutils isc-dhcp wireless-tools
net-tools ; XXX: remove when Inetutils suffices
- module-init-tools udev kbd
+ man-db
+
+ ;; 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
+
+ e2fsprogs kbd
;; The packages below are also in %FINAL-INPUTS, so take them from
;; there to avoid duplication.
(map canonical-package
- (list bash coreutils findutils grep sed))))
+ (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."
+ (text-file "hosts" (local-host-aliases host-name)))
+
(define* (etc-directory #:key
- kernel
(locale "C") (timezone "Europe/Paris")
(issue "Hello!\n")
(skeletons '())
(pam-services '())
(profile "/run/current-system/profile")
+ hosts-file
(sudoers ""))
"Return a derivation that builds the static part of the /etc directory."
(mlet* %store-monad
/run/current-system/profile/bin/bash\n"))
(issue (text-file "issue" issue))
- ;; TODO: Generate bashrc from packages' search-paths.
- (bashrc (text-file* "bashrc" "
-export PS1='\\u@\\h\\$ '
+ ;; For now, generate a basic config so that /etc/hosts is honored.
+ (nsswitch (text-file "nsswitch.conf"
+ "hosts: files dns\n"))
-export LC_ALL=\"" locale "\"
+ ;; Startup file for POSIX-compliant login shells, which set system-wide
+ ;; environment variables.
+ (profile (text-file* "profile" "\
+export LANG=\"" locale "\"
export TZ=\"" timezone "\"
export TZDIR=\"" tzdata "/share/zoneinfo\"
# Tell 'modprobe' & co. where to look for modules.
-# XXX: The downside of doing it here is that when switching to a new config
-# without rebooting, this variable possibly becomes invalid.
-export LINUX_MODULE_DIRECTORY=" kernel "/lib/modules
+export LINUX_MODULE_DIRECTORY=/run/booted-system/kernel/lib/modules
export PATH=$HOME/.guix-profile/bin:/run/current-system/profile/bin
export PATH=/run/setuid-programs:/run/current-system/profile/sbin:$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'
+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
"))
(skel (skeleton-directory skeletons)))
(file-union "etc"
("pam.d" ,#~#$pam.d)
("login.defs" ,#~#$login.defs)
("issue" ,#~#$issue)
+ ("nsswitch.conf" ,#~#$nsswitch)
("skel" ,#~#$skel)
("shells" ,#~#$shells)
- ("profile" ,#~#$bashrc)
+ ("profile" ,#~#$profile)
+ ("hosts" ,#~#$hosts-file)
("localtime" ,#~(string-append #$tzdata "/share/zoneinfo/"
#$timezone))
("sudoers" ,#~#$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"))
+ "Return a derivation that builds the system profile of OS."
+ (profile-derivation (manifest (map package->manifest-entry
+ (operating-system-packages os)))))
(define %root-account
;; Default root account.
(append (operating-system-pam-services os)
(append-map service-pam-services services))))
(profile-drv (operating-system-profile os))
- (skeletons (operating-system-skeletons os)))
- (etc-directory #:kernel (operating-system-kernel os)
- #:pam-services pam-services
+ (skeletons (operating-system-skeletons os))
+ (/etc/hosts (or (operating-system-hosts-file os)
+ (default-/etc/hosts (operating-system-host-name os)))))
+ (etc-directory #:pam-services pam-services
#:skeletons skeletons
#:issue (operating-system-issue os)
#:locale (operating-system-locale os)
#:timezone (operating-system-timezone os)
+ #:hosts-file /etc/hosts
#:sudoers (operating-system-sudoers os)
#:profile profile-drv)))
'active-groups'."
#~(list #$(user-group-name group)
#$(user-group-password group)
- #$(user-group-id group)))
+ #$(user-group-id group)
+ #$(user-group-system? group)))
(define (user-account->gexp account)
"Turn ACCOUNT, a <user-account> object, into a list-valued gexp suitable for
#$(user-account-comment account)
#$(user-account-home-directory account)
,#$(user-account-shell account) ; this one is a gexp
- #$(user-account-password account)))
+ #$(user-account-password account)
+ #$(user-account-system? account)))
+
+(define (modprobe-wrapper)
+ "Return a wrapper for the 'modprobe' command that knows where modules live.
+
+This wrapper is typically invoked by the Linux kernel ('call_modprobe', in
+kernel/kmod.c), a situation where the 'LINUX_MODULE_DIRECTORY' environment
+variable is not set---hence the need for this wrapper."
+ (let ((modprobe "/run/current-system/profile/bin/modprobe"))
+ (gexp->script "modprobe"
+ #~(begin
+ (setenv "LINUX_MODULE_DIRECTORY"
+ "/run/booted-system/kernel/lib/modules")
+ (apply execl #$modprobe
+ (cons #$modprobe (cdr (command-line))))))))
(define (operating-system-activation-script os)
"Return the activation script for OS---i.e., the code that \"activates\" the
stateful part of OS, including user accounts and groups, special directories,
etc."
(define %modules
- '((guix build activation)
+ '((gnu build activation)
+ (gnu build linux-boot)
+ (gnu build linux-modules)
+ (gnu build file-systems)
(guix build utils)
- (guix build linux-initrd)))
+ (guix elf)))
(define (service-activations services)
;; Return the activation scripts for SERVICES.
(etc (operating-system-etc-directory os))
(modules (imported-modules %modules))
(compiled (compiled-modules %modules))
+ (modprobe (modprobe-wrapper))
+ (firmware (directory-union
+ "firmware" (operating-system-firmware os)))
(accounts (operating-system-accounts os)))
(define setuid-progs
(operating-system-setuid-programs os))
(set! %load-compiled-path
(cons #$compiled %load-compiled-path)))
- (use-modules (guix build activation))
+ (use-modules (gnu build activation))
+
+ ;; Make sure /bin/sh is valid and current.
+ (activate-/bin/sh
+ (string-append #$(canonical-package bash)
+ "/bin/sh"))
;; Populate /etc.
(activate-etc #$etc)
;; Activate setuid programs.
(activate-setuid-programs (list #$@setuid-progs))
+ ;; Tell the kernel to use our 'modprobe' command.
+ (activate-modprobe #$modprobe)
+
+ ;; Tell the kernel where firmware is.
+ (activate-firmware
+ (string-append #$firmware "/lib/firmware"))
+
;; Run the services' activation snippets.
;; TODO: Use 'load-compiled'.
(for-each primitive-load '#$actions)
(define (operating-system-initrd-file os)
"Return a gexp denoting the initrd file of OS."
(define boot-file-systems
- (filter (match-lambda
- (($ <file-system> device title "/")
- #t)
- (($ <file-system> device title mount-point type flags
- options boot?)
- boot?))
+ (filter file-system-needed-for-boot?
(operating-system-file-systems os)))
- (mlet %store-monad
- ((initrd ((operating-system-initrd os) boot-file-systems)))
+ (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
+ #:mapped-devices mapped-devices)))
(return #~(string-append #$initrd "/initrd"))))
+(define (operating-system-locale-directory os)
+ "Return the directory containing the locales compiled for the definitions
+listed in OS. The C library expects to find it under
+/run/current-system/locale."
+ ;; While we're at it, check whether the locale of OS is defined.
+ (unless (member (operating-system-locale os)
+ (map locale-definition-name
+ (operating-system-locale-definitions os)))
+ (raise (condition
+ (&message (message "system locale lacks a definition")))))
+
+ (locale-directory (operating-system-locale-definitions os)))
+
(define (kernel->grub-label kernel)
"Return a label for the GRUB menu entry that boots KERNEL."
- (string-append "GNU system with "
+ (string-append "GNU with "
(string-titlecase (package-name kernel)) " "
(package-version kernel)
- " (technology preview)"))
+ " (alpha)"))
(define* (operating-system-grub.cfg os #:optional (old-entries '()))
"Return the GRUB configuration file for OS. Use OLD-ENTRIES to populate the
(boot (operating-system-boot-script os))
(kernel -> (operating-system-kernel os))
(initrd (operating-system-initrd-file os))
+ (locale (operating-system-locale-directory os))
(params (operating-system-parameters-file os)))
(file-union "system"
`(("boot" ,#~#$boot)
("parameters" ,#~#$params)
("initrd" ,initrd)
("profile" ,#~#$profile)
+ ("locale" ,#~#$locale) ;used by libc
("etc" ,#~#$etc)))))
;;; system.scm ends here