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Diffstat (limited to 'gnu/services/guix.scm')
| -rw-r--r-- | gnu/services/guix.scm | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/gnu/services/guix.scm b/gnu/services/guix.scm new file mode 100644 index 0000000000..0f0fad39b0 --- /dev/null +++ b/gnu/services/guix.scm @@ -0,0 +1,212 @@ +;;; GNU Guix --- Functional package management for GNU +;;; Copyright © 2019 Christopher Baines <mail@cbaines.net> +;;; +;;; 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 guix) + #:use-module (ice-9 match) + #:use-module (guix gexp) + #:use-module (guix records) + #:use-module ((gnu packages base) + #:select (glibc-utf8-locales)) + #:use-module (gnu packages admin) + #:use-module (gnu packages web) + #:use-module (gnu services) + #:use-module (gnu services base) + #:use-module (gnu services admin) + #:use-module (gnu services shepherd) + #:use-module (gnu services getmail) + #:use-module (gnu system shadow) + #:export (<guix-data-service-configuration> + guix-data-service-configuration + guix-data-service-configuration? + guix-data-service-package + guix-data-service-user + guix-data-service-group + guix-data-service-port + guix-data-service-host + guix-data-service-getmail-idle-mailboxes + guix-data-service-commits-getmail-retriever-configuration + + guix-data-service-type)) + +;;;; Commentary: +;;; +;;; This module implements a service that to run instances of the Guix Data +;;; Service, which provides data about Guix over time. +;;; +;;;; Code: + +(define-record-type* <guix-data-service-configuration> + guix-data-service-configuration make-guix-data-service-configuration + guix-data-service-configuration? + (package guix-data-service-package + (default guix-data-service)) + (user guix-data-service-configuration-user + (default "guix-data-service")) + (group guix-data-service-configuration-group + (default "guix-data-service")) + (port guix-data-service-port + (default 8765)) + (host guix-data-service-host + (default "127.0.0.1")) + (getmail-idle-mailboxes + guix-data-service-getmail-idle-mailboxes + (default #f)) + (commits-getmail-retriever-configuration + guix-data-service-commits-getmail-retriever-configuration + (default #f))) + +(define (guix-data-service-profile-packages config) + "Return the guix-data-service package, this will populate the +ca-certificates.crt file in the system profile." + (list + (guix-data-service-package config))) + +(define (guix-data-service-shepherd-services config) + (match-record config <guix-data-service-configuration> + (package user group port host) + (list + (shepherd-service + (documentation "Guix Data Service web server") + (provision '(guix-data-service)) + (requirement '(postgres networking)) + (start #~(make-forkexec-constructor + (list #$(file-append package + "/bin/guix-data-service") + "--pid-file=/var/run/guix-data-service/pid" + #$(string-append "--port=" (number->string port)) + #$(string-append "--host=" host) + ;; Perform any database migrations when the + ;; service is started + "--update-database") + + #:user #$user + #:group #$group + #:pid-file "/var/run/guix-data-service/pid" + ;; Allow time for migrations to run + #:pid-file-timeout 60 + #:environment-variables + `(,(string-append + "GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale") + "LC_ALL=en_US.utf8") + #:log-file "/var/log/guix-data-service/web.log")) + (stop #~(make-kill-destructor))) + + (shepherd-service + (documentation "Guix Data Service process jobs") + (provision '(guix-data-service-process-jobs)) + (requirement '(postgres + networking + ;; Require guix-data-service, as that the database + ;; migrations are handled through this service + guix-data-service)) + (start #~(make-forkexec-constructor + (list + #$(file-append package + "/bin/guix-data-service-process-jobs")) + #:user #$user + #:group #$group + #:environment-variables + `("HOME=/var/lib/guix-data-service" + "GIT_SSL_CAINFO=/etc/ssl/certs/ca-certificates.crt" + ,(string-append + "GUIX_LOCPATH=" #$glibc-utf8-locales "/lib/locale") + "LC_ALL=en_US.utf8") + #:log-file "/var/log/guix-data-service/process-jobs.log")) + (stop #~(make-kill-destructor)))))) + +(define (guix-data-service-activation config) + #~(begin + (use-modules (guix build utils)) + + (define %user (getpw "guix-data-service")) + + (chmod "/var/lib/guix-data-service" #o755) + + (mkdir-p "/var/log/guix-data-service") + + ;; Allow writing the PID file + (mkdir-p "/var/run/guix-data-service") + (chown "/var/run/guix-data-service" + (passwd:uid %user) + (passwd:gid %user)))) + +(define (guix-data-service-account config) + (match-record config <guix-data-service-configuration> + (user group) + (list (user-group + (name group) + (system? #t)) + (user-account + (name user) + (group group) + (system? #t) + (comment "Guix Data Service user") + (home-directory "/var/lib/guix-data-service") + (shell (file-append shadow "/sbin/nologin")))))) + +(define (guix-data-service-getmail-configuration config) + (match config + (($ <guix-data-service-configuration> package user group + port host + #f #f) + '()) + (($ <guix-data-service-configuration> package user group + port host + getmail-idle-mailboxes + commits-getmail-retriever-configuration) + (list + (getmail-configuration + (name 'guix-data-service) + (user user) + (group group) + (directory "/var/lib/getmail/guix-data-service") + (rcfile + (getmail-configuration-file + (retriever commits-getmail-retriever-configuration) + (destination + (getmail-destination-configuration + (type "MDA_external") + (path (file-append + package + "/bin/guix-data-service-process-branch-updated-email")))) + (options + (getmail-options-configuration + (read-all #f) + (delivered-to #f) + (received #f))))) + (idle getmail-idle-mailboxes)))))) + +(define guix-data-service-type + (service-type + (name 'guix-data-service) + (extensions + (list + (service-extension profile-service-type + guix-data-service-profile-packages) + (service-extension shepherd-root-service-type + guix-data-service-shepherd-services) + (service-extension activation-service-type + guix-data-service-activation) + (service-extension account-service-type + guix-data-service-account) + (service-extension getmail-service-type + guix-data-service-getmail-configuration))) + (default-value + (guix-data-service-configuration)) + (description + "Run an instance of the Guix Data Service."))) |