4646e30a7a
* gnu/system/dmd.scm: New file. * gnu/system/vm.scm (system-qemu-image): Define dmd services. [populate]: Make var/log and etc/group. [boot]: Execute dmd directly. Add dmd and etc-group as inputs; add the inputs of dmd services. * gnu-system.am (GNU_SYSTEM_MODULES): Add gnu/system/dmd.scm.
126 lines
4.5 KiB
Scheme
126 lines
4.5 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2013 Ludovic Courtès <ludo@gnu.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 system dmd)
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#:use-module (guix store)
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#:use-module (guix packages)
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#:use-module (guix derivations)
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#:use-module (guix records)
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#:use-module ((gnu packages system)
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#:select (mingetty inetutils))
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#:use-module (ice-9 match)
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#:use-module (srfi srfi-1)
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#:export (service?
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service
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service-provision
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service-requirement
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service-respawn?
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service-start
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service-stop
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service-inputs
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syslog-service
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mingetty-service
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dmd-configuration-file))
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;;; Commentary:
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;;;
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;;; System services as cajoled by dmd.
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;;;
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;;; Code:
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(define-record-type* <service>
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service make-service
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service?
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(provision service-provision) ; list of symbols
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(requirement service-requirement ; list of symbols
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(default '()))
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(respawn? service-respawn? ; Boolean
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(default #t))
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(start service-start) ; expression
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(stop service-stop ; expression
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(default #f))
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(inputs service-inputs ; list of inputs
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(default '())))
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(define (mingetty-service store tty)
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"Return a service to run mingetty on TTY."
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(let* ((mingetty-drv (package-derivation store mingetty))
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(mingetty-bin (string-append (derivation->output-path mingetty-drv)
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"/sbin/mingetty")))
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(service
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(provision (list (symbol-append 'term- (string->symbol tty))))
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(start `(make-forkexec-constructor ,mingetty-bin "--noclear" ,tty))
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(inputs `(("mingetty" ,mingetty))))))
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(define (syslog-service store)
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"Return a service that runs 'syslogd' with reasonable default settings."
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(define syslog.conf
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;; Snippet adapted from the GNU inetutils manual.
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(add-text-to-store store "syslog.conf" "
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# Log all kernel messages, authentication messages of
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# level notice or higher and anything of level err or
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# higher to the console.
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# Don't log private authentication messages!
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*.err;kern.*;auth.notice;authpriv.none /dev/console
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# Log anything (except mail) of level info or higher.
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# Don't log private authentication messages!
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*.info;mail.none;authpriv.none /var/log/messages
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# Same, in a different place.
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*.info;mail.none;authpriv.none /dev/tty12
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# The authpriv file has restricted access.
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authpriv.* /var/log/secure
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# Log all the mail messages in one place.
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mail.* /var/log/maillog
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"))
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(let* ((inetutils-drv (package-derivation store inetutils))
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(syslogd (string-append (derivation->output-path inetutils-drv)
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"/libexec/syslogd")))
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(service
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(provision '(syslogd))
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(start `(make-forkexec-constructor ,syslogd
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"--rcfile" ,syslog.conf))
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(inputs `(("inetutils" ,inetutils)
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("syslog.conf" ,syslog.conf))))))
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(define (dmd-configuration-file store services)
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"Return the dmd configuration file for SERVICES."
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(define config
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`(begin
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(register-services
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,@(map (match-lambda
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(($ <service> provision requirement respawn? start stop)
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`(make <service>
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#:provides ',provision
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#:requires ',requirement
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#:respawn? ,respawn?
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#:start ,start
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#:stop ,stop)))
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services))
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(for-each start ',(append-map service-provision services))))
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(add-text-to-store store "dmd.conf"
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(object->string config)))
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;;; dmd.scm ends here
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