172 lines
7.4 KiB
Scheme
172 lines
7.4 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2016 Mathieu Lirzin <mthl@gnu.org>
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;;; Copyright © 2016, 2017 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2017 Mathieu Othacehe <m.othacehe@gmail.com>
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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
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;;; it 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
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;;; (at 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,
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;;; but 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 cuirass)
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#:use-module (guix gexp)
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#:use-module (guix records)
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#:use-module (gnu packages admin)
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#:autoload (gnu packages ci) (cuirass)
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#:autoload (gnu packages version-control) (git)
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#:use-module (gnu services)
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#:use-module (gnu services base)
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#:use-module (gnu services shepherd)
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#:use-module (gnu services admin)
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#:use-module (gnu system shadow)
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#:export (<cuirass-configuration>
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cuirass-configuration
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cuirass-configuration?
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cuirass-service-type))
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;;;; Commentary:
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;;;
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;;; This module implements a service that to run instances of Cuirass, a
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;;; continuous integration tool.
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;;;
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;;;; Code:
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(define-record-type* <cuirass-configuration>
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cuirass-configuration make-cuirass-configuration
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cuirass-configuration?
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(cuirass cuirass-configuration-cuirass ;package
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(default cuirass))
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(log-file cuirass-configuration-log-file ;string
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(default "/var/log/cuirass.log"))
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(cache-directory cuirass-configuration-cache-directory ;string (dir-name)
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(default "/var/cache/cuirass"))
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(user cuirass-configuration-user ;string
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(default "cuirass"))
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(group cuirass-configuration-group ;string
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(default "cuirass"))
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(interval cuirass-configuration-interval ;integer (seconds)
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(default 60))
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(database cuirass-configuration-database ;string (file-name)
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(default "/var/run/cuirass/cuirass.db"))
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(port cuirass-configuration-port ;integer (port)
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(default 8080))
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(specifications cuirass-configuration-specifications)
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;gexp that evaluates to specification-alist
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(use-substitutes? cuirass-configuration-use-substitutes? ;boolean
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(default #f))
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(one-shot? cuirass-configuration-one-shot? ;boolean
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(default #f))
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(fallback? cuirass-configuration-fallback? ;boolean
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(default #f))
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(load-path cuirass-configuration-load-path
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(default '())))
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(define (cuirass-shepherd-service config)
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"Return a <shepherd-service> for the Cuirass service with CONFIG."
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(and
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(cuirass-configuration? config)
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(let ((cuirass (cuirass-configuration-cuirass config))
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(cache-directory (cuirass-configuration-cache-directory config))
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(log-file (cuirass-configuration-log-file config))
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(user (cuirass-configuration-user config))
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(group (cuirass-configuration-group config))
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(interval (cuirass-configuration-interval config))
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(database (cuirass-configuration-database config))
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(port (cuirass-configuration-port config))
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(specs (cuirass-configuration-specifications config))
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(use-substitutes? (cuirass-configuration-use-substitutes? config))
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(one-shot? (cuirass-configuration-one-shot? config))
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(fallback? (cuirass-configuration-fallback? config))
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(load-path (cuirass-configuration-load-path config)))
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(list (shepherd-service
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(documentation "Run Cuirass.")
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(provision '(cuirass))
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(requirement '(guix-daemon networking))
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(start #~(make-forkexec-constructor
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(list (string-append #$cuirass "/bin/cuirass")
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"--cache-directory" #$cache-directory
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"--specifications"
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#$(scheme-file "cuirass-specs.scm" specs)
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"--database" #$database
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"--port" #$(number->string port)
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"--interval" #$(number->string interval)
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#$@(if use-substitutes? '("--use-substitutes") '())
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#$@(if one-shot? '("--one-shot") '())
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#$@(if fallback? '("--fallback") '())
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#$@(if (null? load-path) '()
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`("--load-path" ,(string-join load-path ":"))))
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#:environment-variables
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(list "GIT_SSL_CAINFO=/etc/ssl/certs/ca-certificates.crt"
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(string-append "GIT_EXEC_PATH=" #$git
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"/libexec/git-core"))
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#:user #$user
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#:group #$group
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#:log-file #$log-file))
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(stop #~(make-kill-destructor)))))))
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(define (cuirass-account config)
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"Return the user accounts and user groups for CONFIG."
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(let ((cuirass-user (cuirass-configuration-user config))
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(cuirass-group (cuirass-configuration-group config)))
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(list (user-group
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(name cuirass-group)
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(system? #t))
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(user-account
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(name cuirass-user)
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(group cuirass-group)
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(system? #t)
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(comment "Cuirass privilege separation user")
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(home-directory (string-append "/var/run/" cuirass-user))
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(shell #~(string-append #$shadow "/sbin/nologin"))))))
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(define (cuirass-activation config)
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"Return the activation code for CONFIG."
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(let ((cache (cuirass-configuration-cache-directory config))
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(db (dirname (cuirass-configuration-database config)))
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(user (cuirass-configuration-user config))
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(group (cuirass-configuration-group config)))
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(with-imported-modules '((guix build utils))
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#~(begin
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(use-modules (guix build utils))
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(mkdir-p #$cache)
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(mkdir-p #$db)
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(let ((uid (passwd:uid (getpw #$user)))
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(gid (group:gid (getgr #$group))))
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(chown #$cache uid gid)
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(chown #$db uid gid))))))
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(define (cuirass-log-rotations config)
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"Return the list of log rotations that corresponds to CONFIG."
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(list (log-rotation
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(files (list (cuirass-configuration-log-file config)))
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(frequency 'weekly)
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(options '("rotate 40"))))) ;worth keeping
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(define cuirass-service-type
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(service-type
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(name 'cuirass)
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(extensions
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(list
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(service-extension profile-service-type ;for 'info cuirass'
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(compose list cuirass-configuration-cuirass))
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(service-extension rottlog-service-type cuirass-log-rotations)
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(service-extension activation-service-type cuirass-activation)
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(service-extension shepherd-root-service-type cuirass-shepherd-service)
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(service-extension account-service-type cuirass-account)))))
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