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pack: 'docker' backend records the profile's search paths.

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* guix/docker.scm (config): Add #:environment parameter and honor it.
(build-docker-image): Likewise, and pass it to 'config'.
* guix/scripts/pack.scm (docker-image): Import (guix profiles) and (guix
search-paths).  Call 'profile-search-paths' and pass #:environment to
'build-docker-image'.
* gnu/tests/docker.scm (run-docker-test)["Load docker image and run it"]:
Add example that expects (json) to be available.
* gnu/tests/docker.scm (build-tarball&run-docker-test): Replace
%BOOTSTRAP-GUILE by GUILE-2.2 and GUILE-JSON in the environment.
This commit is contained in:
Ludovic Courtès 2019-07-02 09:19:48 +02:00 committed by Ludovic Courtès
parent 9d8ab8034e
commit b9fcf0c82a
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3 changed files with 44 additions and 14 deletions
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18
gnu/tests/docker.scm
View file

@ -27,7 +27,6 @@
#:use-module (gnu services networking)
#:use-module (gnu services docker)
#:use-module (gnu services desktop)
#:use-module (gnu packages bootstrap) ; %bootstrap-guile
#:use-module (gnu packages docker)
#:use-module (gnu packages guile)
#:use-module (guix gexp)
@ -101,7 +100,7 @@ inside %DOCKER-OS."
marionette))
(test-equal "Load docker image and run it"
'("hello world" "hi!")
'("hello world" "hi!" "JSON!")
(marionette-eval
`(begin
(define slurp
@ -125,8 +124,15 @@ inside %DOCKER-OS."
(response2 (slurp ;default entry point
,(string-append #$docker-cli "/bin/docker")
"run" repository&tag
"-c" "(display \"hi!\")")))
(list response1 response2)))
"-c" "(display \"hi!\")"))
;; Check whether (json) is in $GUILE_LOAD_PATH.
(response3 (slurp ;default entry point + environment
,(string-append #$docker-cli "/bin/docker")
"run" repository&tag
"-c" "(use-modules (json))
(display (json-string->scm (scm->json-string \"JSON!\")))")))
(list response1 response2 response3)))
marionette))
(test-end)
@ -144,7 +150,7 @@ inside %DOCKER-OS."
(version "0")
(source #f)
(build-system trivial-build-system)
(arguments `(#:guile ,%bootstrap-guile
(arguments `(#:guile ,guile-2.2
#:builder
(let ((out (assoc-ref %outputs "out")))
(mkdir out)
@ -158,7 +164,7 @@ standard output device and then enters a new line.")
(home-page #f)
(license license:public-domain)))
(profile (profile-derivation (packages->manifest
(list %bootstrap-guile
(list guile-2.2 guile-json
guest-script-package))
#:hooks '()
#:locales? #f))

17
guix/docker.scm
View file

@ -73,7 +73,7 @@
`((,(generate-tag path) . ((latest . ,id)))))
;; See https://github.com/opencontainers/image-spec/blob/master/config.md
(define* (config layer time arch #:key entry-point)
(define* (config layer time arch #:key entry-point (environment '()))
"Generate a minimal image configuration for the given LAYER file."
;; "architecture" must be values matching "platform.arch" in the
;; runtime-spec at
@ -81,9 +81,13 @@
`((architecture . ,arch)
(comment . "Generated by GNU Guix")
(created . ,time)
(config . ,(if entry-point
`((entrypoint . ,entry-point))
#nil))
(config . ,`((env . ,(map (match-lambda
((name . value)
(string-append name "=" value)))
environment))
,@(if entry-point
`((entrypoint . ,entry-point))
'())))
(container_config . #nil)
(os . "linux")
(rootfs . ((type . "layers")
@ -113,6 +117,7 @@ return \"a\"."
(system (utsname:machine (uname)))
database
entry-point
(environment '())
compressor
(creation-time (current-time time-utc)))
"Write to IMAGE a Docker image archive containing the given PATHS. PREFIX
@ -124,6 +129,9 @@ When DATABASE is true, copy it to /var/guix/db in the image and create
When ENTRY-POINT is true, it must be a list of strings; it is stored as the
entry point in the Docker image JSON structure.
ENVIRONMENT must be a list of name/value pairs. It specifies the environment
variables that must be defined in the resulting image.
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
@ -234,6 +242,7 @@ SRFI-19 time-utc object, as the creation time in metadata."
(lambda ()
(scm->json (config (string-append id "/layer.tar")
time arch
#:environment environment
#:entry-point entry-point))))
(with-output-to-file "manifest.json"
(lambda ()

23
guix/scripts/pack.scm
View file

@ -27,6 +27,7 @@
#:use-module (guix utils)
#:use-module (guix store)
#:use-module ((guix status) #:select (with-status-verbosity))
#:use-module ((guix self) #:select (make-config.scm))
#:use-module (guix grafts)
#:autoload (guix inferior) (inferior-package?)
#:use-module (guix monads)
@ -440,11 +441,24 @@ the image."
(define build
;; Guile-JSON and Guile-Gcrypt are required by (guix docker).
(with-extensions (list guile-json guile-gcrypt)
(with-imported-modules (source-module-closure '((guix docker)
(guix build store-copy))
#:select? not-config?)
(with-imported-modules `(((guix config) => ,(make-config.scm))
,@(source-module-closure
`((guix docker)
(guix build store-copy)
(guix profiles)
(guix search-paths))
#:select? not-config?))
#~(begin
(use-modules (guix docker) (srfi srfi-19) (guix build store-copy))
(use-modules (guix docker) (guix build store-copy)
(guix profiles) (guix search-paths)
(srfi srfi-19) (ice-9 match))
(define environment
(map (match-lambda
((spec . value)
(cons (search-path-specification-variable spec)
value)))
(profile-search-paths #$profile)))
(setenv "PATH" (string-append #$archiver "/bin"))
@ -455,6 +469,7 @@ the image."
#$profile
#:database #+database
#:system (or #$target (utsname:machine (uname)))
#:environment environment
#:entry-point #$(and entry-point
#~(string-append #$profile "/"
#$entry-point))