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102 lines
4 KiB
Scheme
102 lines
4 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2018 Danny Milosavljevic <dannym@scratchpost.org>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu services docker)
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#:use-module (gnu services)
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#:use-module (gnu services configuration)
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#:use-module (gnu services base)
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#:use-module (gnu services dbus)
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#:use-module (gnu services shepherd)
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#:use-module (gnu system shadow)
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#:use-module (gnu packages docker)
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#:use-module (guix records)
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#:use-module (guix gexp)
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#:use-module (guix packages)
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#:export (docker-configuration
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docker-service-type))
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(define-configuration docker-configuration
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(docker
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(package docker)
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"Docker daemon package.")
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(containerd
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(package containerd)
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"containerd package."))
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(define %docker-accounts
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(list (user-group (name "docker") (system? #t))))
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(define (%containerd-activation config)
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(let ((state-dir "/var/lib/containerd"))
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#~(begin
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(use-modules (guix build utils))
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(mkdir-p #$state-dir))))
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(define (%docker-activation config)
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(%containerd-activation config)
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(let ((state-dir "/var/lib/docker"))
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#~(begin
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(use-modules (guix build utils))
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(mkdir-p #$state-dir))))
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(define (containerd-shepherd-service config)
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(let* ((package (docker-configuration-containerd config)))
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(shepherd-service
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(documentation "containerd daemon.")
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(provision '(containerd))
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(start #~(make-forkexec-constructor
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(list (string-append #$package "/bin/containerd"))
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#:log-file "/var/log/containerd.log"))
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(stop #~(make-kill-destructor)))))
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(define (docker-shepherd-service config)
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(let* ((docker (docker-configuration-docker config)))
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(shepherd-service
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(documentation "Docker daemon.")
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(provision '(dockerd))
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(requirement '(containerd
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file-system-/sys/fs/cgroup/blkio
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file-system-/sys/fs/cgroup/cpu
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file-system-/sys/fs/cgroup/cpuset
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file-system-/sys/fs/cgroup/devices
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file-system-/sys/fs/cgroup/memory
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; TODO: file-system-/sys/fs/cgroup/pids
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))
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(start #~(make-forkexec-constructor
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(list (string-append #$docker "/bin/dockerd")
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"-p" "/var/run/docker.pid")
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#:pid-file "/var/run/docker.pid"
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#:log-file "/var/log/docker.log"))
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(stop #~(make-kill-destructor)))))
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(define docker-service-type
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(service-type (name 'docker)
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(description "Provide capability to run Docker application
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bundles in Docker containers.")
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(extensions
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(list
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(service-extension activation-service-type
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%docker-activation)
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(service-extension shepherd-root-service-type
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(lambda (config)
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(list (containerd-shepherd-service config)
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(docker-shepherd-service config))))
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(service-extension account-service-type
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(const %docker-accounts))))
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(default-value (docker-configuration))))
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