diff options
| -rw-r--r-- | gnu/services/dmd.scm | 2 | ||||
| -rw-r--r-- | gnu/services/xorg.scm | 2 | ||||
| -rw-r--r-- | gnu/system.scm | 56 | ||||
| -rw-r--r-- | gnu/system/vm.scm | 59 | ||||
| -rw-r--r-- | guix/build/activation.scm | 33 | ||||
| -rw-r--r-- | guix/build/install.scm | 50 | ||||
| -rw-r--r-- | guix/build/vm.scm | 3 |
7 files changed, 118 insertions, 87 deletions
diff --git a/gnu/services/dmd.scm b/gnu/services/dmd.scm index 0d17285890..982c196fe4 100644 --- a/gnu/services/dmd.scm +++ b/gnu/services/dmd.scm @@ -64,7 +64,7 @@ services)) ;; guix-daemon 0.6 aborts if 'PATH' is undefined, so work around it. - (setenv "PATH" "/run/current-system/bin") + (setenv "PATH" "/run/current-system/profile/bin") (format #t "starting services...~%") (for-each start '#$(append-map service-provision services)))) diff --git a/gnu/services/xorg.scm b/gnu/services/xorg.scm index 1988cfa6a0..7215297f69 100644 --- a/gnu/services/xorg.scm +++ b/gnu/services/xorg.scm @@ -139,7 +139,7 @@ When AUTO-LOGIN? is true, log in automatically as DEFAULT-USER." (mlet %store-monad ((startx (or startx (xorg-start-command))) (xinitrc (xinitrc))) (text-file* "slim.cfg" " -default_path /run/current-system/bin +default_path /run/current-system/profile/bin default_xserver " startx " xserver_arguments :0 vt7 xauth_path " xauth "/bin/xauth diff --git a/gnu/system.scm b/gnu/system.scm index 9ce94d0230..ec3e2fcd6c 100644 --- a/gnu/system.scm +++ b/gnu/system.scm @@ -55,6 +55,7 @@ operating-system-derivation operating-system-profile + operating-system-grub.cfg <file-system> file-system @@ -263,7 +264,7 @@ explicitly appear in OS." (locale "C") (timezone "Europe/Paris") (skeletons '()) (pam-services '()) - (profile "/var/run/current-system/profile") + (profile "/run/current-system/profile") (sudoers "")) "Return a derivation that builds the static part of the /etc directory." (mlet* %store-monad @@ -273,8 +274,8 @@ explicitly appear in OS." (shells (text-file "shells" ; used by xterm and others "\ /bin/sh -/run/current-system/bin/sh -/run/current-system/bin/bash\n")) +/run/current-system/profile/bin/sh +/run/current-system/profile/bin/bash\n")) (issue (text-file "issue" " This is an alpha preview of the GNU system. Welcome. @@ -293,8 +294,8 @@ export LC_ALL=\"" locale "\" export TZ=\"" timezone "\" export TZDIR=\"" tzdata "/share/zoneinfo\" -export PATH=$HOME/.guix-profile/bin:" profile "/bin:" profile "/sbin -export PATH=/run/setuid-programs:$PATH +export PATH=/run/setuid-programs:/run/current-system/profile/sbin +export PATH=$HOME/.guix-profile/bin:/run/current-system/profile/bin:$PATH export CPATH=$HOME/.guix-profile/include:" profile "/include export LIBRARY_PATH=$HOME/.guix-profile/lib:" profile "/lib alias ls='ls -p --color' @@ -402,7 +403,8 @@ alias ll='ls -l' we're running in the final root." (define %modules '((guix build activation) - (guix build utils))) + (guix build utils) + (guix build linux-initrd))) (mlet* %store-monad ((services (operating-system-services os)) (etc (operating-system-etc-directory os)) @@ -446,6 +448,9 @@ we're running in the final root." ;; Activate setuid programs. (activate-setuid-programs (list #$@setuid-progs)) + ;; Set up /run/current-system. + (activate-current-system #:boot? #t) + ;; 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' @@ -466,8 +471,8 @@ we're running in the final root." (_ #f)) (operating-system-file-systems os))) -(define (operating-system-derivation os) - "Return a derivation that builds OS." +(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 "/") @@ -476,15 +481,16 @@ we're running in the final root." boot?)) (operating-system-file-systems os))) + (mlet %store-monad + ((initrd ((operating-system-initrd os) boot-file-systems))) + (return #~(string-append #$initrd "/initrd")))) + +(define (operating-system-grub.cfg os) + "Return the GRUB configuration file for OS." (mlet* %store-monad - ((profile (operating-system-profile os)) - (etc (operating-system-etc-directory os)) - (services (operating-system-services os)) - (boot (operating-system-boot-script os)) - (kernel -> (operating-system-kernel os)) - (initrd ((operating-system-initrd os) boot-file-systems)) - (initrd-file -> #~(string-append #$initrd "/initrd")) + ((system (operating-system-derivation os)) (root-fs -> (operating-system-root-file-system os)) + (kernel -> (operating-system-kernel os)) (entries -> (list (menu-entry (label (string-append "GNU system with " @@ -494,15 +500,25 @@ we're running in the final root." (linux-arguments (list (string-append "--root=" (file-system-device root-fs)) - #~(string-append "--load=" #$boot))) - (initrd initrd-file)))) - (grub.cfg (grub-configuration-file entries))) + #~(string-append "--system=" #$system) + #~(string-append "--load=" #$system + "/boot"))) + (initrd #~(string-append #$system "/initrd")))))) + (grub-configuration-file entries))) + +(define (operating-system-derivation os) + "Return a derivation that builds OS." + (mlet* %store-monad + ((profile (operating-system-profile os)) + (etc (operating-system-etc-directory os)) + (boot (operating-system-boot-script os)) + (kernel -> (operating-system-kernel os)) + (initrd (operating-system-initrd-file os))) (file-union "system" `(("boot" ,#~#$boot) ("kernel" ,#~#$kernel) - ("initrd" ,initrd-file) + ("initrd" ,initrd) ("profile" ,#~#$profile) - ("grub.cfg" ,#~#$grub.cfg) ("etc" ,#~#$etc))))) ;;; system.scm ends here diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm index 58e5416b3e..4bf0e06081 100644 --- a/gnu/system/vm.scm +++ b/gnu/system/vm.scm @@ -192,7 +192,6 @@ made available under the /xchg CIFS share." (file-system-type "ext4") grub-configuration (register-closures? #t) - (populate #f) (inputs '()) copy-inputs?) "Return a bootable, stand-alone QEMU image, with a root partition of type @@ -203,12 +202,7 @@ file (GRUB-CONFIGURATION must be the name of a file in the VM.) INPUTS is a list of inputs (as for packages). When COPY-INPUTS? is true, copy all of INPUTS into the image being built. When REGISTER-CLOSURES? is true, register INPUTS in the store database of the image so that Guix can be used in -the image. - -POPULATE is a list of directives stating directories or symlinks to be created -in the disk image partition. It is evaluated once the image has been -populated with INPUTS-TO-COPY. It can be used to provide additional files, -such as /etc files." +the image." (mlet %store-monad ((graph (sequence %store-monad (map input->name+output inputs)))) (expression->derivation-in-linux-vm @@ -241,8 +235,7 @@ such as /etc files." #:copy-closures? #$copy-inputs? #:register-closures? #$register-closures? #:disk-image-size #$disk-image-size - #:file-system-type #$file-system-type - #:directives '#$populate) + #:file-system-type #$file-system-type) (reboot)))) #:system system #:make-disk-image? #t @@ -254,39 +247,6 @@ such as /etc files." ;;; Stand-alone VM image. ;;; -(define (operating-system-build-gid os) - "Return as a monadic value the group id for build users of OS, or #f." - (mlet %store-monad ((services (operating-system-services os))) - (return (any (lambda (service) - (and (equal? '(guix-daemon) - (service-provision service)) - (match (service-user-groups service) - ((group) - (user-group-id group))))) - services)))) - -(define (operating-system-default-contents os) - "Return a list of directives suitable for 'system-qemu-image' describing the -basic contents of the root file system of OS." - (mlet* %store-monad ((os-drv (operating-system-derivation os)) - (build-gid (operating-system-build-gid os)) - (profile (operating-system-profile os))) - (return #~((directory #$(%store-prefix) 0 #$(or build-gid 0)) - (directory "/etc") - (directory "/var/log") ; for dmd - (directory "/var/run/nscd") - (directory "/var/guix/gcroots") - ("/var/guix/gcroots/system" -> #$os-drv) - (directory "/run") - ("/run/current-system" -> #$profile) - (directory "/bin") - ("/bin/sh" -> "/run/current-system/bin/bash") - (directory "/tmp") - (directory "/var/guix/profiles/per-user/root" 0 0) - - (directory "/root" 0 0) ; an exception - (directory "/home" 0 0))))) - (define* (system-qemu-image os #:key (file-system-type "ext4") @@ -312,14 +272,12 @@ of the GNU system as described by OS." file-systems-to-keep))))) (mlet* %store-monad ((os-drv (operating-system-derivation os)) - (os-dir -> (derivation->output-path os-drv)) - (grub.cfg -> (string-append os-dir "/grub.cfg")) - (populate (operating-system-default-contents os))) + (grub.cfg (operating-system-grub.cfg os))) (qemu-image #:grub-configuration grub.cfg - #:populate populate #:disk-image-size disk-image-size #:file-system-type file-system-type - #:inputs `(("system" ,os-drv)) + #:inputs `(("system" ,os-drv) + ("grub.cfg" ,grub.cfg)) #:copy-inputs? #t)))) (define (virtualized-operating-system os) @@ -356,11 +314,8 @@ environment with the store shared with the host." with the host." (mlet* %store-monad ((os-drv (operating-system-derivation os)) - (os-dir -> (derivation->output-path os-drv)) - (grub.cfg -> (string-append os-dir "/grub.cfg")) - (populate (operating-system-default-contents os))) + (grub.cfg (operating-system-grub.cfg os))) (qemu-image #:grub-configuration grub.cfg - #:populate populate #:disk-image-size disk-image-size #:inputs `(("system" ,os-drv)) @@ -390,7 +345,7 @@ exec " #$qemu "/bin/qemu-system-x86_64 -enable-kvm -no-reboot -net nic,model=vir -kernel " #$(operating-system-kernel os) "/bzImage \ -initrd " #$os-drv "/initrd \ -append \"" #$(if graphic? "" "console=ttyS0 ") - "--load=" #$os-drv "/boot --root=/dev/vda1\" \ + "--system=" #$os-drv " --load=" #$os-drv "/boot --root=/dev/vda1\" \ -serial stdio \ -drive file=" #$image ",if=virtio,cache=writeback,werror=report,readonly\n") diff --git a/guix/build/activation.scm b/guix/build/activation.scm index 267c592b52..49f98c021d 100644 --- a/guix/build/activation.scm +++ b/guix/build/activation.scm @@ -18,13 +18,15 @@ (define-module (guix build activation) #:use-module (guix build utils) + #:use-module (guix build linux-initrd) #:use-module (ice-9 ftw) #:use-module (ice-9 match) #:use-module (srfi srfi-1) #:use-module (srfi srfi-26) #:export (activate-users+groups activate-etc - activate-setuid-programs)) + activate-setuid-programs + activate-current-system)) ;;; Commentary: ;;; @@ -195,4 +197,33 @@ numeric gid or #f." (for-each make-setuid-program programs)) +(define %booted-system + ;; The system we booted in (a symlink.) + "/run/booted-system") + +(define %current-system + ;; The system that is current (a symlink.) This is not necessarily the same + ;; as %BOOTED-SYSTEM, for instance because we can re-build a new system + ;; configuration and activate it, without rebooting. + "/run/current-system") + +(define (boot-time-system) + "Return the '--system' argument passed on the kernel command line." + (find-long-option "--system" (linux-command-line))) + +(define* (activate-current-system #:optional (system (boot-time-system)) + #:key boot?) + "Atomically make SYSTEM the current system. When BOOT? is true, also make +it the booted system." + (format #t "making '~a' the current system...~%" system) + (when boot? + (when (file-exists? %booted-system) + (delete-file %booted-system)) + (symlink system %booted-system)) + + ;; Atomically make SYSTEM current. + (let ((new (string-append %current-system ".new"))) + (symlink system new) + (rename-file new %current-system))) + ;;; activation.scm ends here diff --git a/guix/build/install.scm b/guix/build/install.scm index 37153703e5..a0be6e9d39 100644 --- a/guix/build/install.scm +++ b/guix/build/install.scm @@ -19,9 +19,10 @@ (define-module (guix build install) #:use-module (guix build utils) #:use-module (guix build install) + #:use-module (srfi srfi-26) #:use-module (ice-9 match) #:export (install-grub - evaluate-populate-directive + populate-root-file-system reset-timestamps register-closure)) @@ -46,15 +47,44 @@ MOUNT-POINT. Return #t on success." (define (evaluate-populate-directive directive target) "Evaluate DIRECTIVE, an sexp describing a file or directory to create under directory TARGET." - (match directive - (('directory name) - (mkdir-p (string-append target name))) - (('directory name uid gid) - (let ((dir (string-append target name))) - (mkdir-p dir) - (chown dir uid gid))) - ((new '-> old) - (symlink old (string-append target new))))) + (let loop ((directive directive)) + (match directive + (('directory name) + (mkdir-p (string-append target name))) + (('directory name uid gid) + (let ((dir (string-append target name))) + (mkdir-p dir) + (chown dir uid gid))) + (('directory name uid gid mode) + (loop `(directory ,name ,uid ,gid)) + (chmod (string-append target name) mode)) + ((new '-> old) + (symlink old (string-append target new)))))) + +(define (directives store) + "Return a list of directives to populate the root file system that will host +STORE." + `((directory ,store 0 0) + (directory "/etc") + (directory "/var/log") ; for dmd + (directory "/var/run/nscd") + (directory "/var/guix/gcroots") + (directory "/run") + ("/var/guix/gcroots/booted-system" -> "/run/booted-system") + ("/var/guix/gcroots/current-system" -> "/run/current-system") + (directory "/bin") + ("/bin/sh" -> "/run/current-system/profile/bin/bash") + (directory "/tmp" 0 0 #o1777) ; sticky bit + (directory "/var/guix/profiles/per-user/root" 0 0) + + (directory "/root" 0 0) ; an exception + (directory "/home" 0 0))) + +(define (populate-root-file-system target) + "Make the essential non-store files and directories on TARGET. This +includes /etc, /var, /run, /bin/sh, etc." + (for-each (cut evaluate-populate-directive <> target) + (directives (%store-directory)))) (define (reset-timestamps directory) "Reset the timestamps of all the files under DIRECTORY, so that they appear diff --git a/guix/build/vm.scm b/guix/build/vm.scm index 12f952bd11..b9bb66cdb7 100644 --- a/guix/build/vm.scm +++ b/guix/build/vm.scm @@ -206,8 +206,7 @@ further populate the partition." ;; Evaluate the POPULATE directives. (display "populating...\n") - (for-each (cut evaluate-populate-directive <> target-directory) - directives) + (populate-root-file-system target-directory) (unless (install-grub grub.cfg "/dev/sda" target-directory) (error "failed to install GRUB")) |