diff options
Diffstat (limited to 'guix/scripts/pack.scm')
| -rw-r--r-- | guix/scripts/pack.scm | 151 |
1 files changed, 124 insertions, 27 deletions
diff --git a/guix/scripts/pack.scm b/guix/scripts/pack.scm index 067b1227e0..626c592e1c 100644 --- a/guix/scripts/pack.scm +++ b/guix/scripts/pack.scm @@ -24,6 +24,7 @@ #:use-module (guix store) #:use-module (guix grafts) #:use-module (guix monads) + #:use-module (guix modules) #:use-module (guix packages) #:use-module (guix profiles) #:use-module (guix derivations) @@ -32,6 +33,8 @@ #:use-module (gnu packages compression) #:autoload (gnu packages base) (tar) #:autoload (gnu packages package-management) (guix) + #:autoload (gnu packages gnupg) (libgcrypt) + #:autoload (gnu packages guile) (guile-json) #:use-module (srfi srfi-1) #:use-module (srfi srfi-9) #:use-module (srfi srfi-37) @@ -43,19 +46,22 @@ ;; Type of a compression tool. (define-record-type <compressor> - (compressor name package extension command) + (compressor name extension command) compressor? - (name compressor-name) ;string (e.g., "gzip") - (package compressor-package) ;package - (extension compressor-extension) ;string (e.g., "lz") - (command compressor-command)) ;list (e.g., '("gzip" "-9n")) + (name compressor-name) ;string (e.g., "gzip") + (extension compressor-extension) ;string (e.g., "lz") + (command compressor-command)) ;gexp (e.g., #~("/gnu/store/…/gzip" "-9n")) (define %compressors ;; Available compression tools. - (list (compressor "gzip" gzip "gz" '("gzip" "-9n")) - (compressor "lzip" lzip "lz" '("lzip" "-9")) - (compressor "xz" xz "xz" '("xz" "-e")) - (compressor "bzip2" bzip2 "bz2" '("bzip2" "-9")))) + (list (compressor "gzip" "gz" + #~(#+(file-append gzip "/bin/gzip") "-9n")) + (compressor "lzip" "lz" + #~(#+(file-append lzip "/bin/lzip") "-9")) + (compressor "xz" "xz" + #~(#+(file-append xz "/bin/xz") "-e")) + (compressor "bzip2" "bz2" + #~(#+(file-append bzip2 "/bin/bzip2") "-9")))) (define (lookup-compressor name) "Return the compressor object called NAME. Error out if it could not be @@ -67,7 +73,8 @@ found." (leave (_ "~a: compressor not found~%") name))) (define* (self-contained-tarball name profile - #:key deduplicate? + #:key target + deduplicate? (compressor (first %compressors)) localstatedir? (symlinks '()) @@ -118,8 +125,7 @@ added to the pack." (string-append #$(if localstatedir? (file-append guix "/sbin:") "") - #$tar "/bin:" - #$(compressor-package compressor) "/bin")) + #$tar "/bin")) ;; Note: there is not much to gain here with deduplication and ;; there is the overhead of the '.links' directory, so turn it @@ -139,7 +145,8 @@ added to the pack." (with-directory-excursion %root (exit (zero? (apply system* "tar" - "-I" #$(string-join (compressor-command compressor)) + "-I" + (string-join '#+(compressor-command compressor)) "--format=gnu" ;; Avoid non-determinism in the archive. Use @@ -177,6 +184,63 @@ added to the pack." build #:references-graphs `(("profile" ,profile)))) +(define* (docker-image name profile + #:key target + deduplicate? + (compressor (first %compressors)) + localstatedir? + (symlinks '()) + (tar tar)) + "Return a derivation to construct a Docker image of PROFILE. The +image is a tarball conforming to the Docker Image Specification, compressed +with COMPRESSOR. It can be passed to 'docker load'. If TARGET is true, it +must a be a GNU triplet and it is used to derive the architecture metadata in +the image." + ;; FIXME: Honor LOCALSTATEDIR?. + (define not-config? + (match-lambda + (('guix 'config) #f) + (('guix rest ...) #t) + (('gnu rest ...) #t) + (rest #f))) + + (define config + ;; (guix config) module for consumption by (guix gcrypt). + (scheme-file "gcrypt-config.scm" + #~(begin + (define-module (guix config) + #:export (%libgcrypt)) + + ;; XXX: Work around <http://bugs.gnu.org/15602>. + (eval-when (expand load eval) + (define %libgcrypt + #+(file-append libgcrypt "/lib/libgcrypt")))))) + + (define build + (with-imported-modules `(,@(source-module-closure '((guix docker)) + #:select? not-config?) + ((guix config) => ,config)) + #~(begin + ;; Guile-JSON is required by (guix docker). + (add-to-load-path + (string-append #$guile-json "/share/guile/site/" + (effective-version))) + + (use-modules (guix docker) (srfi srfi-19)) + + (setenv "PATH" (string-append #$tar "/bin")) + + (build-docker-image #$output #$profile + #:system (or #$target (utsname:machine (uname))) + #:closure "profile" + #:symlinks '#$symlinks + #:compressor '#$(compressor-command compressor) + #:creation-time (make-time time-utc 0 1))))) + + (gexp->derivation (string-append name ".tar." + (compressor-extension compressor)) + build + #:references-graphs `(("profile" ,profile)))) ;;; @@ -185,7 +249,8 @@ added to the pack." (define %default-options ;; Alist of default option values. - `((system . ,(%current-system)) + `((format . tarball) + (system . ,(%current-system)) (substitutes? . #t) (graft? . #t) (max-silent-time . 3600) @@ -193,6 +258,11 @@ added to the pack." (symlinks . ()) (compressor . ,(first %compressors)))) +(define %formats + ;; Supported pack formats. + `((tarball . ,self-contained-tarball) + (docker . ,docker-image))) + (define %options ;; Specifications of the command-line options. (cons* (option '(#\h "help") #f #f @@ -206,19 +276,27 @@ added to the pack." (option '(#\n "dry-run") #f #f (lambda (opt name arg result) (alist-cons 'dry-run? #t (alist-cons 'graft? #f result)))) + (option '(#\f "format") #t #f + (lambda (opt name arg result) + (alist-cons 'format (string->symbol arg) result))) (option '(#\s "system") #t #f (lambda (opt name arg result) (alist-cons 'system arg (alist-delete 'system result eq?)))) + (option '("target") #t #f + (lambda (opt name arg result) + (alist-cons 'target arg + (alist-delete 'target result eq?)))) (option '(#\C "compression") #t #f (lambda (opt name arg result) (alist-cons 'compressor (lookup-compressor arg) result))) (option '(#\S "symlink") #t #f (lambda (opt name arg result) - (match (string-tokenize arg - (char-set-complement - (char-set #\=))) + ;; Note: Using 'string-split' allows us to handle empty + ;; TARGET (as in "/opt/guile=", meaning that /opt/guile is + ;; a symlink to the profile) correctly. + (match (string-split arg (char-set #\=)) ((source target) (let ((symlinks (assoc-ref result 'symlinks))) (alist-cons 'symlinks @@ -242,8 +320,12 @@ Create a bundle of PACKAGE.\n")) (show-transformation-options-help) (newline) (display (_ " + -f, --format=FORMAT build a pack in the given FORMAT")) + (display (_ " -s, --system=SYSTEM attempt to build for SYSTEM--e.g., \"i686-linux\"")) (display (_ " + --target=TRIPLET cross-build for TRIPLET--e.g., \"armel-linux-gnu\"")) + (display (_ " -C, --compression=TOOL compress using TOOL--e.g., \"lzip\"")) (display (_ " -S, --symlink=SPEC create symlinks to the profile according to SPEC")) @@ -280,20 +362,35 @@ Create a bundle of PACKAGE.\n")) (specification->package+output spec)) list)) specs)) - (compressor (assoc-ref opts 'compressor)) - (symlinks (assoc-ref opts 'symlinks)) + (pack-format (assoc-ref opts 'format)) + (name (string-append (symbol->string pack-format) + "-pack")) + (target (assoc-ref opts 'target)) + (compressor (assoc-ref opts 'compressor)) + (symlinks (assoc-ref opts 'symlinks)) + (build-image (match (assq-ref %formats pack-format) + ((? procedure? proc) proc) + (#f + (leave (_ "~a: unknown pack format") + format)))) (localstatedir? (assoc-ref opts 'localstatedir?))) (with-store store + ;; Set the build options before we do anything else. + (set-build-options-from-command-line store opts) + (run-with-store store (mlet* %store-monad ((profile (profile-derivation - (packages->manifest packages))) - (drv (self-contained-tarball "pack" profile - #:compressor - compressor - #:symlinks - symlinks - #:localstatedir? - localstatedir?))) + (packages->manifest packages) + #:target target)) + (drv (build-image name profile + #:target + target + #:compressor + compressor + #:symlinks + symlinks + #:localstatedir? + localstatedir?))) (mbegin %store-monad (show-what-to-build* (list drv) #:use-substitutes? |