diff options
| -rw-r--r-- | doc/guix.texi | 27 | ||||
| -rw-r--r-- | gnu/local.mk | 1 | ||||
| -rw-r--r-- | gnu/services/docker.scm | 94 |
3 files changed, 122 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 7c6a714830..c0cc8d4169 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -22118,6 +22118,33 @@ The following is an example @code{dicod-service} configuration. %dicod-database:gcide)))) @end example +@cindex Docker +@subsubheading Docker Service + +The @code{(gnu services docker)} module provides the following service. + +@defvr {Scheme Variable} docker-service-type + +This is the type of the service that runs @url{http://www.docker.com,Docker}, +a daemon that can execute application bundles (sometimes referred to as +``containers'') in isolated environments. + +@end defvr + +@deftp {Data Type} docker-configuration +This is the data type representing the configuration of Docker and Containerd. + +@table @asis + +@item @code{package} (default: @code{docker}) +The Docker package to use. + +@item @code{containerd} (default: @var{containerd}) +The Containerd package to use. + +@end table +@end deftp + @node Setuid Programs @subsection Setuid Programs diff --git a/gnu/local.mk b/gnu/local.mk index 25363869dd..7c319b727f 100644 --- a/gnu/local.mk +++ b/gnu/local.mk @@ -483,6 +483,7 @@ GNU_SYSTEM_MODULES = \ %D%/services/desktop.scm \ %D%/services/dict.scm \ %D%/services/dns.scm \ + %D%/services/docker.scm \ %D%/services/authentication.scm \ %D%/services/games.scm \ %D%/services/kerberos.scm \ diff --git a/gnu/services/docker.scm b/gnu/services/docker.scm new file mode 100644 index 0000000000..6d270831b3 --- /dev/null +++ b/gnu/services/docker.scm @@ -0,0 +1,94 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2018 Danny Milosavljevic <dannym@scratchpost.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 services docker) + #:use-module (gnu services) + #:use-module (gnu services configuration) + #:use-module (gnu services base) + #:use-module (gnu services dbus) + #:use-module (gnu services shepherd) + #:use-module (gnu system shadow) + #:use-module (gnu packages docker) + #:use-module (guix records) + #:use-module (guix gexp) + #:use-module (guix packages) + + #:export (docker-configuration + docker-service-type)) + +(define-configuration docker-configuration + (docker + (package docker) + "Docker daemon package.") + (containerd + (package containerd) + "containerd package.")) + +(define %docker-accounts + (list (user-group (name "docker") (system? #t)))) + +(define (%containerd-activation config) + (let ((state-dir "/var/lib/containerd")) + #~(begin + (use-modules (guix build utils)) + (mkdir-p #$state-dir)))) + +(define (%docker-activation config) + (%containerd-activation config) + (let ((state-dir "/var/lib/docker")) + #~(begin + (use-modules (guix build utils)) + (mkdir-p #$state-dir)))) + +(define (containerd-shepherd-service config) + (let* ((package (docker-configuration-containerd config))) + (shepherd-service + (documentation "containerd daemon.") + (provision '(containerd)) + (start #~(make-forkexec-constructor + (list (string-append #$package "/bin/containerd")))) + (stop #~(make-kill-destructor))))) + +(define (docker-shepherd-service config) + (let* ((docker (docker-configuration-docker config))) + (shepherd-service + (documentation "Docker daemon.") + (provision '(dockerd)) + (requirement '(containerd)) + (start #~(make-forkexec-constructor + (list (string-append #$docker "/bin/dockerd") + "-p" "/var/run/docker.pid") + #:pid-file "/var/run/docker.pid" + #:log-file "/var/log/docker.log")) + (stop #~(make-kill-destructor))))) + +(define docker-service-type + (service-type (name 'docker) + (description "Provide capability to run Docker application +bundles in Docker containers.") + (extensions + (list + (service-extension activation-service-type + %docker-activation) + (service-extension shepherd-root-service-type + (lambda args + (list (apply containerd-shepherd-service args) + (apply docker-shepherd-service args)))) + (service-extension account-service-type + (const %docker-accounts)))) + (default-value (docker-configuration)))) |