diff options
-rw-r--r-- | guix/docker.scm | 16 | ||||
-rw-r--r-- | guix/scripts/pack.scm | 9 | ||||
-rw-r--r-- | tests/pack.scm | 53 |
3 files changed, 74 insertions, 4 deletions
diff --git a/guix/docker.scm b/guix/docker.scm index 0757d3356f..c19a24d45c 100644 --- a/guix/docker.scm +++ b/guix/docker.scm @@ -26,6 +26,7 @@ delete-file-recursively with-directory-excursion invoke)) + #:use-module (gnu build install) #:use-module (json) ;guile-json #:use-module (srfi srfi-19) #:use-module (srfi srfi-26) @@ -108,11 +109,15 @@ return \"a\"." (symlinks '()) (transformations '()) (system (utsname:machine (uname))) + database compressor (creation-time (current-time time-utc))) "Write to IMAGE a Docker image archive containing the given PATHS. PREFIX must be a store path that is a prefix of any store paths in PATHS. +When DATABASE is true, copy it to /var/guix/db in the image and create +/var/guix/gcroots and friends. + SYMLINKS must be a list of (SOURCE -> TARGET) tuples describing symlinks to be created in the image, where each TARGET is relative to PREFIX. TRANSFORMATIONS must be a list of (OLD -> NEW) tuples describing how to @@ -188,10 +193,15 @@ SRFI-19 time-utc object, as the creation time in metadata." source)))) symlinks) + (when database + ;; Initialize /var/guix, assuming PREFIX points to a profile. + (install-database-and-gc-roots "." database prefix)) + (apply invoke "tar" "-cf" "layer.tar" `(,@transformation-options ,@%tar-determinism-options ,@paths + ,@(if database '("var") '()) ,@(map symlink-source symlinks))) ;; It is possible for "/" to show up in the archive, especially when ;; applying transformations. For example, the transformation @@ -203,7 +213,11 @@ SRFI-19 time-utc object, as the creation time in metadata." (system* "tar" "--delete" "/" "-f" "layer.tar") (for-each delete-file-recursively (map (compose topmost-component symlink-source) - symlinks))) + symlinks)) + + ;; Delete /var/guix. + (when database + (delete-file-recursively "var"))) (with-output-to-file "config.json" (lambda () diff --git a/guix/scripts/pack.scm b/guix/scripts/pack.scm index 3e6430bcce..09fc88988a 100644 --- a/guix/scripts/pack.scm +++ b/guix/scripts/pack.scm @@ -52,6 +52,8 @@ #:export (compressor? lookup-compressor self-contained-tarball + docker-image + guix-pack)) ;; Type of a compression tool. @@ -360,7 +362,6 @@ added to the pack." (define* (docker-image name profile #:key target - deduplicate? (compressor (first %compressors)) localstatedir? (symlinks '()) @@ -370,6 +371,11 @@ 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." + (define database + (and localstatedir? + (file-append (store-database (list profile)) + "/db/db.sqlite"))) + (define defmod 'define-module) ;trick Geiser (define build @@ -388,6 +394,7 @@ the image." (call-with-input-file "profile" read-reference-graph)) #$profile + #:database #+database #:system (or #$target (utsname:machine (uname))) #:symlinks '#$symlinks #:compressor '#$(compressor-command compressor) diff --git a/tests/pack.scm b/tests/pack.scm index 6bd18bdee2..bfff802d8a 100644 --- a/tests/pack.scm +++ b/tests/pack.scm @@ -22,6 +22,7 @@ #:use-module (guix store) #:use-module (guix derivations) #:use-module (guix profiles) + #:use-module (guix packages) #:use-module (guix monads) #:use-module (guix grafts) #:use-module (guix tests) @@ -37,8 +38,9 @@ (define-syntax-rule (test-assertm name store exp) (test-assert name - (run-with-store store exp - #:guile-for-build (%guile-for-build)))) + (let ((guile (package-derivation store %bootstrap-guile))) + (run-with-store store exp + #:guile-for-build guile)))) (define %gzip-compressor ;; Compressor that uses the bootstrap 'gzip'. @@ -79,6 +81,53 @@ (readlink "bin/Guile")))))))) (built-derivations (list check)))) +;; The following test needs guile-sqlite3, libgcrypt, etc. as a consequence of +;; commit c45477d2a1a651485feede20fe0f3d15aec48b39 and related changes. Thus, +;; run it on the user's store, if it's available, on the grounds that these +;; dependencies may be already there, or we can get substitutes or build them +;; quite inexpensively; see <https://bugs.gnu.org/32184>. + +(with-external-store store + (unless store (test-skip 1)) + (test-assertm "docker-image + localstatedir" store + (mlet* %store-monad + ((guile (set-guile-for-build (default-guile))) + (profile (profile-derivation (packages->manifest + (list %bootstrap-guile)) + #:hooks '() + #:locales? #f)) + (tarball (docker-image "docker-pack" profile + #:symlinks '(("/bin/Guile" -> "bin/guile")) + #:localstatedir? #t)) + (check (gexp->derivation + "check-tarball" + (with-imported-modules '((guix build utils)) + #~(begin + (use-modules (guix build utils) + (ice-9 match)) + + (define bin + (string-append "." #$profile "/bin")) + + (setenv "PATH" (string-append #$%tar-bootstrap "/bin")) + (mkdir "base") + (with-directory-excursion "base" + (invoke "tar" "xvf" #$tarball)) + + (match (find-files "base" "layer.tar") + ((layer) + (invoke "tar" "xvf" layer))) + + (when + (and (file-exists? (string-append bin "/guile")) + (file-exists? "var/guix/db/db.sqlite") + (string=? (string-append #$%bootstrap-guile "/bin") + (pk 'binlink (readlink bin))) + (string=? (string-append #$profile "/bin/guile") + (pk 'guilelink (readlink "bin/Guile")))) + (mkdir #$output))))))) + (built-derivations (list check))))) + (test-end) ;; Local Variables: |