Toggle diff (232 lines)
diff --git a/doc/guix.texi b/doc/guix.texi
index 20f007b1c0..61cc904f9d 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -46500,6 +46500,59 @@ Miscellaneous Home Services
(dicod-configuration @dots{})))
@end lisp
+@subsubheading Container Services
+
+@cindex docker cli service, for Home
+The @code{(gnu home services containers)} module provides the following service:
+
+@defvar home-docker-cli-service-type
+This service allows for configuring the Docker command line interface, for
+example to make it aware of Guix provided plugins.
+@end defvar
+
+For example, you can use it like this to make Docker safely store your registry
+credentials with the system
+@uref{https://wiki.gnome.org/Projects/Libsecret, libsecret} compatible Secret service:
+
+@lisp
+(use-modules (gnu packages docker))
+
+(service home-docker-cli-service-type
+ (docker-cli-configuration
+ (creds-store "secretservice")
+ (cli-plugins
+ (list docker-credential-secretservice))
+ (extra-content ", \"auths\": @{\"https://index.docker.io/v1/\": @{@}@}")))
+@end lisp
+
+
+@c %start of fragment
+
+@deftp {Data Type} docker-cli-configuration
+Available @code{docker-cli-configuration} fields are:
+
+@table @asis
+@item @code{docker-cli} (default: @code{docker-cli}) (type: package)
+The Docker cli package installed to the Home profile.
+
+@item @code{creds-store} (type: maybe-string)
+A native secrets store used to store Docker credentials.
+
+@item @code{cli-plugins} (default: @code{()}) (type: list-of-docker-cli-plugins)
+A list of Docker cli plugin package records that will be configured to
+work with Docker's cli.
+
+@item @code{extra-content} (default: @code{""}) (type: string)
+Additional literal content that will be appended to Docker cli
+config.json.
+
+@end table
+
+@end deftp
+
+
+@c %end of fragment
+
@node Invoking guix home
@section Invoking @command{guix home}
diff --git a/gnu/home/services/containers.scm b/gnu/home/services/containers.scm
new file mode 100644
index 0000000000..89d6ad5f39
--- /dev/null
+++ b/gnu/home/services/containers.scm
@@ -0,0 +1,148 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2024 Giacomo Leidi <goodoldpaul@autistici.org>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify
+;;; it under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation, either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful,
+;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu home services containers)
+ #:use-module (guix gexp)
+ #:use-module (guix packages)
+ #:use-module (gnu packages docker)
+ #:use-module (gnu services configuration)
+ #:use-module (gnu home services)
+ #:use-module (ice-9 match)
+ #:use-module (ice-9 string-fun)
+ #:export (docker-cli-configuration
+ docker-cli-configuration?
+ docker-cli-configuration-fields
+ docker-cli-configuration-docker-cli
+ docker-cli-configuration-creds-store
+ docker-cli-configuration-cli-plugins
+
+ home-docker-cli-service-type
+ home-docker-cli-configuration-file
+ docker-cli-configuration->json-fields))
+
+;; Turn field names, which are Scheme symbols into strings
+;; cli-plugins-extra-dirs -> cliPluginsExtraDirs
+(define (format-name name)
+ (define without-dashes (string-replace-substring (symbol->string name) "-" " "))
+ (define splitted (string-split without-dashes #\space))
+ (string-replace-substring
+ (apply string-append
+ `(,(car splitted)
+ ,@(map string-capitalize (cdr splitted))))
+ " " ""))
+
+(define (serialize-json-value name value)
+ #~(begin
+ (use-modules (ice-9 format))
+ (format #f "\"~a\": ~a" #$(format-name name) #$value)))
+
+(define (serialize-json-list values)
+ #~(string-append "["
+ (string-join
+ (map (lambda (s) (string-append "\"" s "\""))
+ (list #$@values))
+ ", ")
+ "]"))
+
+(define (serialize-string field-name value)
+ (serialize-json-value field-name (string-append "\"" value "\"")))
+
+(define (serialize-maybe-string field-name value)
+ (if (maybe-value-set? value)
+ (serialize-string field-name value)
+ '()))
+
+(define (serialize-list-of-strings field-name value)
+ (serialize-json-value field-name (serialize-json-list value)))
+
+(define (serialize-list-of-docker-cli-plugins value)
+ (serialize-json-value 'cli-plugins-extra-dirs
+ (serialize-json-list
+ (map (lambda (p)
+ (file-append p "/libexec/docker/cli-plugins"))
+ value))))
+
+(define list-of-strings?
+ (list-of string?))
+
+(define list-of-docker-cli-plugins?
+ (list-of package?))
+
+(define-maybe string)
+
+(define-configuration/no-serialization docker-cli-configuration
+ (docker-cli
+ (package docker-cli)
+ "The Docker cli package installed to the Home profile.")
+ (creds-store
+ (maybe-string)
+ "A native secrets store used to store Docker credentials.")
+ (cli-plugins
+ (list-of-docker-cli-plugins '())
+ "A list of Docker cli plugin package records that will be configured to work with Docker's cli.")
+ (extra-content
+ (string "")
+ "Additional literal content that will be appended to Docker cli config.json."))
+
+(define docker-cli-configuration->json-fields
+ (lambda (config)
+ (filter (compose not (lambda (f) (or (null? f) (and (string? f) (string-null? f)))))
+ (map (lambda (f)
+ (let ((field-name (configuration-field-name f))
+ (type (configuration-field-type f))
+ (value ((configuration-field-getter f) config)))
+ (if (not (member field-name '(docker-cli extra-content)))
+ (match type
+ ('string
+ (serialize-string field-name value))
+ ('maybe-string
+ (serialize-maybe-string field-name value))
+ ('list-of-strings
+ (serialize-list-of-strings field-name value))
+ ('list-of-docker-cli-plugins
+ (serialize-list-of-docker-cli-plugins value))
+ (_
+ (raise
+ (formatted-message
+ (G_ "Unknown docker-cli-configuration field type: ~a")
+ type))))
+ '())))
+ docker-cli-configuration-fields))))
+
+(define (home-docker-cli-configuration-file config)
+ `((".docker/config.json"
+ ,(computed-file "docker-cli-config.json"
+ #~(with-output-to-file #$output
+ (lambda _
+ (display
+ (string-append "{"
+ (string-join (list #$@(docker-cli-configuration->json-fields config)) ",")
+ #$(docker-cli-configuration-extra-content config)
+ "}\n"))))))))
+
+(define home-docker-cli-service-type
+ (service-type (name 'docker-cli)
+ (extensions (list (service-extension home-profile-service-type
+ (lambda (config)
+ `(,(docker-cli-configuration-docker-cli config)
+ ,@(docker-cli-configuration-cli-plugins config))))
+ (service-extension home-files-service-type
+ home-docker-cli-configuration-file)))
+ (default-value (docker-cli-configuration))
+ (description
+ "This service install and configures Docker's command line interface.")))
diff --git a/gnu/local.mk b/gnu/local.mk
index 7f1006010b..4960f32a1a 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -95,6 +95,7 @@ GNU_SYSTEM_MODULES = \
%D%/compression.scm \
%D%/home.scm \
%D%/home/services.scm \
+ %D%/home/services/containers.scm \
%D%/home/services/desktop.scm \
%D%/home/services/dict.scm \
%D%/home/services/dotfiles.scm \
--
2.41.0
