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-rw-r--r--gnu/system.scm469
1 files changed, 127 insertions, 342 deletions
diff --git a/gnu/system.scm b/gnu/system.scm
index 5eaafed6ae..b32d26bc8e 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -87,8 +87,6 @@
operating-system-locale-directory
operating-system-boot-script
- file-union
-
local-host-aliases
%setuid-programs
%base-packages
@@ -162,41 +160,6 @@
;;;
-;;; Derivation.
-;;;
-
-(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 #$target)))
- files)))
-
- (gexp->derivation name builder))
-
-(define (directory-union name things)
- "Return a directory that is the union of THINGS."
- (match things
- ((one)
- ;; Only one thing; return it.
- (with-monad %store-monad (return one)))
- (_
- (gexp->derivation name
- #~(begin
- (use-modules (guix build union))
- (union-build #$output '#$things))
- #:modules '((guix build union))
- #:local-build? #t))))
-
-
-;;;
;;; Services.
;;;
@@ -244,18 +207,7 @@ as 'needed-for-boot'."
(string->symbol (mapped-device-target md))))
(device-mappings fs))))
- (map (lambda (fs)
- (match fs
- (($ <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))
+ (map file-system-service file-systems))
(define (mapped-device-user device file-systems)
"Return a file system among FILE-SYSTEMS that uses DEVICE, or #f."
@@ -302,10 +254,11 @@ from the initrd."
"Return the list of swap services for OS."
(map swap-service (operating-system-swap-devices os)))
-(define (essential-services os)
+(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."
+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)))
@@ -315,17 +268,36 @@ bookkeeping."
(unmount (user-unmount-service known-fs))
(swaps (swap-services os))
(procs (user-processes-service
- (map (compose first service-provision)
- other-fs)))
+ (map service-parameters other-fs)))
(host-name (host-name-service (operating-system-host-name os))))
- (cons* host-name procs root-fs unmount
- (append other-fs mappings swaps))))
-
-(define (operating-system-services os)
+ (cons* %boot-service
+
+ ;; %DMD-ROOT-SERVICE must come first so that the gexp that execs
+ ;; dmd comes last in the boot script (XXX).
+ %dmd-root-service %activation-service
+
+ (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)
+ host-name procs root-fs unmount
+ (service setuid-program-service-type
+ (operating-system-setuid-programs os))
+ (append other-fs mappings swaps
+
+ ;; Add the firmware service, unless we are building for a
+ ;; container.
+ (if container?
+ '()
+ (list (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)))
+ (essential-services os #:container? container?)))
;;;
@@ -388,28 +360,27 @@ This is the GNU system. Welcome.\n")
(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."
- (gexp->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")
+ (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 guix.el.
+ (require 'guix-init nil t)
- ;; Attempt to load geiser.
- (require 'geiser-install nil t))))
+ ;; Attempt to load geiser.
+ (require 'geiser-install nil t))))
(define (emacs-site-directory)
"Return the Emacs site directory, aka. /etc/emacs."
- (mlet %store-monad ((file (emacs-site-file)))
- (gexp->derivation "emacs"
- #~(begin
- (mkdir #$output)
- (chdir #$output)
- (symlink #$file "site-start.el")))))
+ (computed-file "emacs"
+ #~(begin
+ (mkdir #$output)
+ (chdir #$output)
+ (symlink #$(emacs-site-file) "site-start.el"))))
(define (user-shells os)
"Return the list of all the shells used by the accounts of OS. These may be
@@ -417,49 +388,43 @@ gexps or strings."
(map user-account-shell (operating-system-accounts os)))
(define (shells-file shells)
- "Return a derivation that builds a shell list for use as /etc/shells based
-on SHELLS. /etc/shells is used by xterm, polkit, and other programs."
- (gexp->derivation "shells"
- #~(begin
- (use-modules (srfi srfi-1))
-
- (define shells
- (delete-duplicates (list #$@shells)))
-
- (call-with-output-file #$output
- (lambda (port)
- (display "\
+ "Return a file-like object that builds a shell list for use as /etc/shells
+based on SHELLS. /etc/shells is used by xterm, polkit, and other programs."
+ (computed-file "shells"
+ #~(begin
+ (use-modules (srfi srfi-1))
+
+ (define shells
+ (delete-duplicates (list #$@shells)))
+
+ (call-with-output-file #$output
+ (lambda (port)
+ (display "\
/bin/sh
/run/current-system/profile/bin/sh
/run/current-system/profile/bin/bash\n" port)
- (for-each (lambda (shell)
- (display shell port)
- (newline port))
- shells))))))
-
-(define* (etc-directory #:key
- (locale "C") (timezone "Europe/Paris")
- (issue "Hello!\n")
- (skeletons '())
- (pam-services '())
- (profile "/run/current-system/profile")
- hosts-file nss (shells '())
- (sudoers-file (plain-file "sudoers" "")))
- "Return a derivation that builds the static part of the /etc directory."
- (mlet* %store-monad
- ((pam.d -> (pam-services->directory pam-services))
- (login.defs (text-file "login.defs" "# Empty for now.\n"))
- (shells (shells-file shells))
- (emacs (emacs-site-directory))
- (issue (text-file "issue" issue))
- (nsswitch (text-file "nsswitch.conf"
- (name-service-switch->string nss)))
-
- ;; Startup file for POSIX-compliant login shells, which set system-wide
- ;; environment variables.
- (profile (text-file* "profile" "\
-export LANG=\"" locale "\"
-export TZ=\"" timezone "\"
+ (for-each (lambda (shell)
+ (display shell port)
+ (newline port))
+ shells))))))
+
+(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"))
+
+ (shells (shells-file (user-shells os)))
+ (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" "\
+export LANG=\"" (operating-system-locale os) "\"
+export TZ=\"" (operating-system-timezone os) "\"
export TZDIR=\"" tzdata "/share/zoneinfo\"
# Tell 'modprobe' & co. where to look for modules.
@@ -516,7 +481,7 @@ then
fi
"))
- (bashrc (text-file "bashrc" "\
+ (bashrc (plain-file "bashrc" "\
# Bash-specific initialization.
# The 'bash-completion' package.
@@ -526,25 +491,23 @@ then
# 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"))
- (skel -> (skeleton-directory skeletons)))
- (file-union "etc"
- `(("services" ,#~(string-append #$net-base "/etc/services"))
- ("protocols" ,#~(string-append #$net-base "/etc/protocols"))
- ("rpc" ,#~(string-append #$net-base "/etc/rpc"))
- ("emacs" ,#~#$emacs)
- ("pam.d" ,#~#$pam.d)
- ("login.defs" ,#~#$login.defs)
- ("issue" ,#~#$issue)
- ("nsswitch.conf" ,#~#$nsswitch)
- ("skel" ,#~#$skel)
- ("shells" ,#~#$shells)
- ("profile" ,#~#$profile)
- ("bashrc" ,#~#$bashrc)
- ("hosts" ,#~#$hosts-file)
- ("localtime" ,#~(string-append #$tzdata "/share/zoneinfo/"
- #$timezone))
- ("sudoers" ,sudoers-file)))))
+fi\n")))
+ (etc-service
+ `(("services" ,#~(string-append #$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)
+ ("shells" ,#~#$shells)
+ ("profile" ,#~#$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 (operating-system-profile os)
"Return a derivation that builds the system profile of OS."
@@ -561,18 +524,14 @@ fi\n"))
(home-directory "/root")))
(define (operating-system-accounts os)
- "Return the user accounts for OS, including an obligatory 'root' account."
- (define users
- ;; 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))))
-
- (append users
- (append-map service-user-accounts
- (operating-system-services 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.
@@ -607,31 +566,9 @@ use 'plain-file' instead~%")
(define (operating-system-etc-directory os)
"Return that static part of the /etc directory of OS."
- (mlet* %store-monad
- ((services -> (operating-system-services os))
- (pam-services ->
- ;; Services known to PAM.
- (append (operating-system-pam-services os)
- (append-map service-pam-services services)))
- (profile-drv (operating-system-profile os))
- (skeletons (operating-system-skeletons os))
- (/etc/hosts (maybe-file->monadic
- "hosts"
- (or (operating-system-hosts-file os)
- (default-/etc/hosts (operating-system-host-name os)))))
- (shells -> (user-shells os)))
- (etc-directory #:pam-services pam-services
- #:skeletons skeletons
- #:issue (operating-system-issue os)
- #:locale (operating-system-locale os)
- #:nss (operating-system-name-service-switch os)
- #:timezone (operating-system-timezone os)
- #:hosts-file /etc/hosts
- #:shells shells
- #:sudoers-file (maybe-string->file
- "sudoers"
- (operating-system-sudoers-file os))
- #:profile profile-drv)))
+ (etc-directory
+ (fold-services (operating-system-services os)
+ #:target-type etc-service-type)))
(define %setuid-programs
;; Default set of setuid-root programs.
@@ -652,176 +589,23 @@ use 'plain-file' instead~%")
root ALL=(ALL) ALL
%wheel ALL=(ALL) ALL\n"))
-(define (user-group->gexp group)
- "Turn GROUP, a <user-group> object, into a list-valued gexp suitable for
-'active-groups'."
- #~(list #$(user-group-name group)
- #$(user-group-password 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
-'activate-users'."
- #~`(#$(user-account-name account)
- #$(user-account-uid account)
- #$(user-account-group account)
- #$(user-account-supplementary-groups account)
- #$(user-account-comment account)
- #$(user-account-home-directory account)
- ,#$(user-account-shell account) ; this one is a gexp
- #$(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 #$modprobe (cdr (command-line))))))))
-
(define* (operating-system-activation-script os #:key container?)
"Return the activation script for OS---i.e., the code that \"activates\" the
stateful part of OS, including user accounts and groups, special directories,
etc."
- (define %modules
- '((gnu build activation)
- (gnu build linux-boot)
- (gnu build linux-modules)
- (gnu build file-systems)
- (guix build utils)
- (guix build syscalls)
- (guix elf)))
-
- (define (service-activations services)
- ;; Return the activation scripts for SERVICES.
- (let ((gexps (filter-map service-activate services)))
- (sequence %store-monad (map (cut gexp->file "activate-service.scm" <>)
- gexps))))
-
- (mlet* %store-monad ((services -> (operating-system-services os))
- (actions (service-activations services))
- (etc (operating-system-etc-directory os))
- (modules (imported-modules %modules))
- (compiled (compiled-modules %modules))
- (modprobe (modprobe-wrapper))
- (firmware (directory-union
- "firmware" (operating-system-firmware os)))
- (accounts -> (operating-system-accounts os)))
- (define setuid-progs
- (operating-system-setuid-programs os))
-
- (define user-specs
- (map user-account->gexp accounts))
-
- (define groups
- (append (operating-system-groups os)
- (append-map service-user-groups services)))
-
- (define group-specs
- (map user-group->gexp groups))
-
- (assert-valid-users/groups accounts groups)
-
- (gexp->file "activate"
- #~(begin
- (eval-when (expand load eval)
- ;; Make sure 'use-modules' below succeeds.
- (set! %load-path (cons #$modules %load-path))
- (set! %load-compiled-path
- (cons #$compiled %load-compiled-path)))
-
- (use-modules (gnu build activation))
-
- ;; Make sure /bin/sh is valid and current.
- (activate-/bin/sh
- (string-append #$(canonical-package bash)
- "/bin/sh"))
-
- ;; Populate /etc.
- (activate-etc #$etc)
-
- ;; Add users and user groups.
- (setenv "PATH"
- (string-append #$(@ (gnu packages admin) shadow)
- "/sbin"))
- (activate-users+groups (list #$@user-specs)
- (list #$@group-specs))
-
- ;; 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, unless we are
- ;; activating a container.
- #$@(if container?
- #~()
- ;; Tell the kernel where firmware is.
- #~((activate-firmware
- (string-append #$firmware "/lib/firmware"))
- ;; Let users debug their own processes!
- (activate-ptrace-attach)))
-
- ;; Run the services' activation snippets.
- ;; TODO: Use 'load-compiled'.
- (for-each primitive-load '#$actions)
-
- ;; Set up /run/current-system.
- (activate-current-system)))))
+ (let* ((services (operating-system-services os #:container? container?))
+ (activation (fold-services services
+ #:target-type activation-service-type)))
+ (activation-service->script activation)))
(define* (operating-system-boot-script os #:key container?)
"Return the boot script for OS---i.e., the code started by the initrd once
we're running in the final root. When CONTAINER? is true, skip all
hardware-related operations as necessary when booting a Linux container."
- (mlet* %store-monad ((services -> (operating-system-services os))
- (activate (operating-system-activation-script os))
- (dmd-conf (dmd-configuration-file services)))
- (gexp->file "boot"
- #~(begin
- (use-modules (guix build utils))
-
- ;; Clean out /tmp and /var/run.
- ;;
- ;; XXX This needs to happen before service activations, so
- ;; it has to be here, but this also implicitly assumes
- ;; that /tmp and /var/run are on the root partition.
- (false-if-exception (delete-file-recursively "/tmp"))
- (false-if-exception (delete-file-recursively "/var/run"))
- (false-if-exception (mkdir "/tmp"))
- (false-if-exception (chmod "/tmp" #o1777))
- (false-if-exception (mkdir "/var/run"))
- (false-if-exception (chmod "/var/run" #o755))
-
- ;; Activate the system.
- ;; TODO: Use 'load-compiled'.
- (primitive-load #$activate)
-
- ;; Keep track of the booted system.
- (false-if-exception (delete-file "/run/booted-system"))
- (symlink (readlink "/run/current-system")
- "/run/booted-system")
-
- ;; Close any remaining open file descriptors to be on the
- ;; safe side. This must be the very last thing we do,
- ;; because Guile has internal FDs such as 'sleep_pipe'
- ;; that need to be alive.
- (let loop ((fd 3))
- (when (< fd 1024)
- (false-if-exception (close-fdes fd))
- (loop (+ 1 fd))))
-
- ;; Start dmd.
- (execl (string-append #$dmd "/bin/dmd")
- "dmd" "--config" #$dmd-conf)))))
+ (let* ((services (operating-system-services os #:container? container?))
+ (boot (fold-services services)))
+ ;; BOOT is the script as a monadic value.
+ (service-parameters boot)))
(define (operating-system-root-file-system os)
"Return the root file system of OS."
@@ -908,19 +692,20 @@ this file is the reconstruction of GRUB menu entries for old configurations."
"Return a derivation that builds OS."
(mlet* %store-monad
((profile (operating-system-profile os))
- (etc (operating-system-etc-directory os))
+ (etc -> (operating-system-etc-directory os))
(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" ,#~#$boot)
- ("kernel" ,#~#$kernel)
- ("parameters" ,#~#$params)
- ("initrd" ,initrd)
- ("profile" ,#~#$profile)
- ("locale" ,#~#$locale) ;used by libc
- ("etc" ,#~#$etc)))))
+ (lower-object
+ (file-union "system"
+ `(("boot" ,#~#$boot)
+ ("kernel" ,#~#$kernel)
+ ("parameters" ,#~#$params)
+ ("initrd" ,initrd)
+ ("profile" ,#~#$profile)
+ ("locale" ,#~#$locale) ;used by libc
+ ("etc" ,#~#$etc))))))
;;; system.scm ends here
generated by cgit v1.2.3 (git 2.45.0) at 2024-11-15 06:18:53 +0000