122 lines
4.4 KiB
Scheme
122 lines
4.4 KiB
Scheme
;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
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;;; Copyright © 2016, 2017 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 thye 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 admin)
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#:use-module (gnu packages admin)
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#:use-module (gnu packages base)
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#:use-module (gnu services)
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#:use-module (gnu services mcron)
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#:use-module (gnu services shepherd)
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#:use-module (guix gexp)
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#:use-module (guix packages)
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#:use-module (guix records)
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#:use-module (srfi srfi-1)
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#:export (%default-rotations
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%rotated-files
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rottlog-configuration
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rottlog-configuration?
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rottlog-service
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rottlog-service-type))
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;;; Commentary:
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;;;
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;;; This module implements configuration of rottlog by writing
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;;; /etc/rottlog/{rc,hourly|daily|weekly}. Example usage
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;;;
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;;; (mcron-service)
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;;; (service rottlog-service-type (rottlog-configuration))
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;;;
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;;; Code:
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(define %rotated-files
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;; Syslog files subject to rotation.
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'("/var/log/messages" "/var/log/secure" "/var/log/maillog"))
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(define (syslog-rotation-config files)
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#~(string-append #$(string-join files ",")
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" {
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sharedscripts
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postrotate
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" #$coreutils "/bin/kill -HUP $(cat /var/run/syslog.pid) 2> /dev/null
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endscript
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}
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"))
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(define (simple-rotation-config files)
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#~(string-append #$(string-join files ",") " {
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sharedscripts
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}
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"))
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(define %default-rotations
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`(("weekly"
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,(computed-file "rottlog.weekly"
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#~(call-with-output-file #$output
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(lambda (port)
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(display #$(syslog-rotation-config %rotated-files)
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port)
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(display #$(simple-rotation-config
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'("/var/log/shepherd.log"
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"/var/log/guix-daemon.log"))
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port)))))))
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(define (default-jobs rottlog)
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(list #~(job '(next-hour '(0)) ;midnight
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(lambda ()
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(system* #$(file-append rottlog "/sbin/rottlog"))))
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#~(job '(next-hour '(12)) ;noon
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(lambda ()
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(system* #$(file-append rottlog "/sbin/rottlog"))))))
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(define-record-type* <rottlog-configuration>
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rottlog-configuration make-rottlog-configuration
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rottlog-configuration?
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(rottlog rottlog-rottlog ;package
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(default rottlog))
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(rc-file rottlog-rc-file ;file-like
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(default (file-append rottlog "/etc/rc")))
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(periodic-rotations rottlog-periodic-rotations ;list of (name file) tuples
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(default %default-rotations))
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(jobs rottlog-jobs ;list of <mcron-job>
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(default #f)))
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(define (rottlog-etc config)
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`(("rottlog" ,(file-union "rottlog"
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(cons `("rc" ,(rottlog-rc-file config))
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(rottlog-periodic-rotations config))))))
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(define (rottlog-jobs-or-default config)
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(or (rottlog-jobs config)
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(default-jobs (rottlog-rottlog config))))
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(define rottlog-service-type
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(service-type
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(name 'rottlog)
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(extensions (list (service-extension etc-service-type rottlog-etc)
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(service-extension mcron-service-type
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rottlog-jobs-or-default)
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;; Add Rottlog to the global profile so users can access
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;; the documentation.
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(service-extension profile-service-type
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(compose list rottlog-rottlog))))
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(default-value (rottlog-configuration))))
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;;; admin.scm ends here
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