* gnu/services/ganeti (ganeti-luxid-service-type)[description]: Fix spelling of "authoritative".
		
			
				
	
	
		
			1109 lines
		
	
	
	
		
			47 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
			
		
		
	
	
			1109 lines
		
	
	
	
		
			47 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
| ;;; GNU Guix --- Functional package management for GNU
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| ;;; Copyright © 2020 Marius Bakke <marius@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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| 
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| (define-module (gnu services ganeti)
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|   #:use-module (gnu packages virtualization)
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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 records)
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| 
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|   #:use-module (srfi srfi-1)
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|   #:use-module (ice-9 match)
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| 
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|   #:export (ganeti-noded-configuration
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|             ganeti-noded-configuration?
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|             ganeti-noded-configuration-ganeti
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|             ganeti-noded-configuration-port
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|             ganeti-noded-configuration-address
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|             ganeti-noded-configuration-interface
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|             ganeti-noded-configuration-max-clients
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|             ganeti-noded-configuration-ssl?
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|             ganeti-noded-configuration-ssl-key
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|             ganeti-noded-configuration-ssl-cert
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|             ganeti-noded-configuration-debug?
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|             ganeti-noded-service-type
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| 
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|             ganeti-confd-configuration
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|             ganeti-confd-configuration?
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|             ganeti-confd-configuration-ganeti
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|             ganeti-confd-configuration-port
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|             ganeti-confd-configuration-address
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|             ganeti-confd-configuration-debug
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|             ganeti-confd-service-type
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| 
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|             ganeti-wconfd-configuration
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|             ganeti-wconfd-configuration?
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|             ganeti-wconfd-configuration-ganeti
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|             ganeti-wconfd-configuration-no-voting?
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|             ganeti-wconfd-configuration-debug?
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|             ganeti-wconfd-service-type
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| 
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|             ganeti-luxid-configuration
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|             ganeti-luxid-configuration?
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|             ganeti-luxid-configuration-ganeti
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|             ganeti-luxid-configuration-no-voting?
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|             ganeti-luxid-configuration-debug?
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|             ganeti-luxid-service-type
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| 
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|             ganeti-rapi-configuration
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|             ganeti-rapi-configuration?
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|             ganeti-rapi-configuration-ganeti
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|             ganeti-rapi-configuration-require-authentication?
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|             ganeti-rapi-configuration-port
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|             ganeti-rapi-configuration-address
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|             ganeti-rapi-configuration-interface
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|             ganeti-rapi-configuration-max-clients
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|             ganeti-rapi-configuration-ssl?
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|             ganeti-rapi-configuration-ssl-key
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|             ganeti-rapi-configuration-ssl-cert
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|             ganeti-rapi-configuration-debug?
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|             ganeti-rapi-service-type
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| 
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|             ganeti-kvmd-configuration
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|             ganeti-kvmd-configuration?
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|             ganeti-kvmd-configuration-ganeti
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|             ganeti-kvmd-configuration-debug?
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|             ganeti-kvmd-service-type
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| 
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|             ganeti-mond-configuration
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|             ganeti-mond-configuration?
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|             ganeti-mond-configuration-ganeti
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|             ganeti-mond-configuration-port
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|             ganeti-mond-configuration-address
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|             ganeti-mond-configuration-debug?
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|             ganeti-mond-service-type
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| 
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|             ganeti-metad-configuration
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|             ganeti-metad-configuration?
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|             ganeti-metad-configuration-ganeti
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|             ganeti-metad-configuration-port
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|             ganeti-metad-configuration-address
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|             ganeti-metad-configuration-debug?
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|             ganeti-metad-service-type
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| 
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|             ganeti-watcher-configuration
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|             ganeti-watcher-configuration?
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|             ganeti-watcher-configuration-ganeti
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|             ganeti-watcher-configuration-schedule
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|             ganeti-watcher-configuration-rapi-ip
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|             ganeti-watcher-configuration-job-age
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|             ganeti-watcher-configuration-verify-disks?
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|             ganeti-watcher-configuration-debug?
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|             ganeti-watcher-service-type
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| 
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|             ganeti-cleaner-configuration
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|             ganeti-cleaner-configuration?
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|             ganeti-cleaner-configuration-ganeti
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|             ganeti-cleaner-configuration-master-schedule
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|             ganeti-cleaner-configuration-node-schedule
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|             ganeti-cleaner-service-type
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| 
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|             ganeti-os
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|             ganeti-os?
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|             ganeti-os-name
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|             ganeti-os-extension
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|             ganeti-os-variants
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| 
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|             ganeti-os-variant
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|             ganeti-os-variant?
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|             ganeti-os-variant-name
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|             ganeti-os-variant-configuration
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| 
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|             %debootstrap-interfaces-hook
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|             %debootstrap-grub-hook
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|             %default-debootstrap-hooks
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|             %default-debootstrap-extra-pkgs
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|             debootstrap-configuration
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|             debootstrap-configuration?
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|             debootstrap-configuration-hooks
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|             debootstrap-configuration-proxy
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|             debootstrap-configuration-mirror
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|             debootstrap-configuration-arch
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|             debootstrap-configuration-suite
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|             debootstrap-configuration-extra-pkgs
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|             debootstrap-configuration-components
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|             debootstrap-configuration-generate-cache?
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|             debootstrap-configuration-clean-cache
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|             debootstrap-configuration-partition-style
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|             debootstrap-configuration-partition-alignment
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| 
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|             debootstrap-variant
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|             debootstrap-os
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|             %default-debootstrap-variants
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| 
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|             guix-variant
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|             guix-os
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|             %default-guix-variants
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| 
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|             %default-ganeti-os
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| 
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|             ganeti-configuration
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|             ganeti-configuration?
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|             ganeti-configuration-noded-configuration
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|             ganeti-configuration-confd-configuration
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|             ganeti-configuration-wconfd-configuration
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|             ganeti-configuration-luxid-configuration
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|             ganeti-configuration-rapi-configuration
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|             ganeti-configuration-kvmd-configuration
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|             ganeti-configuration-mond-configuration
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|             ganeti-configuration-metad-configuration
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|             ganeti-configuration-watcher-configuration
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|             ganeti-configuration-cleaner-configuration
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|             ganeti-configuration-file-storage-paths
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|             ganeti-configuration-os
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|             ganeti-service-type))
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| 
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| ;;;
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| ;;; Service definitions for running a Ganeti cluster.
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| ;;;
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| ;;; Planned improvements: run daemons (except ganeti-noded) under unprivileged
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| ;;; user accounts and/or containers.  The account names must match the ones
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| ;;; given to Ganetis configure script.  metad needs "setcap" or root in order
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| ;;; to bind on port 80.
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| 
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| ;; Set PATH so the various daemons are able to find the 'ip' executable, LVM,
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| ;; Ceph, Gluster, etc, without having to add absolute references to everything.
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| (define %default-ganeti-environment-variables
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|   (list (string-append "PATH="
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|                        (string-join '("/run/setuid-programs"
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|                                       "/run/current-system/profile/sbin"
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|                                       "/run/current-system/profile/bin")
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|                                     ":"))))
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| 
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| (define-record-type* <ganeti-noded-configuration>
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|   ganeti-noded-configuration make-ganeti-noded-configuration
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|   ganeti-noded-configuration?
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|   (ganeti      ganeti-noded-configuration-ganeti        ;<package>
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|                (default ganeti))
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|   (port        ganeti-noded-configuration-port          ;integer
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|                (default 1811))
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|   (address     ganeti-noded-configuration-address       ;string
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|                (default "0.0.0.0"))
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|   (interface   ganeti-noded-configuration-interface     ;string | #f
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|                (default #f))
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|   (max-clients ganeti-noded-configuration-max-clients   ;integer
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|                (default 20))
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|   (ssl?        ganeti-noded-configuration-ssl?          ;Boolean
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|                (default #t))
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|   (ssl-key     ganeti-noded-configuration-ssl-key       ;string
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|                (default "/var/lib/ganeti/server.pem"))
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|   (ssl-cert    ganeti-noded-configuration-ssl-cert      ;string
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|                (default "/var/lib/ganeti/server.pem"))
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|   (debug?      ganeti-noded-configuration-debug?        ;Boolean
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|                (default #f)))
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| 
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| (define ganeti-noded-service
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|   (match-lambda
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|     (($ <ganeti-noded-configuration> ganeti port address interface max-clients
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|                                      ssl? ssl-key ssl-cert debug?)
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|      (list (shepherd-service
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|             (documentation "Run the Ganeti node daemon.")
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|             (provision '(ganeti-noded))
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|             (requirement '(user-processes networking))
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| 
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|             ;; If the daemon stops, it is probably for a good reason;
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|             ;; otherwise ganeti-watcher will restart it for us anyway.
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|             (respawn? #f)
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| 
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|             (start #~(make-forkexec-constructor
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|                       (list #$(file-append ganeti "/sbin/ganeti-noded")
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|                             #$(string-append "--port=" (number->string port))
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|                             #$(string-append "--bind=" address)
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|                             #$@(if interface
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|                                    #~((string-append "--interface=" #$interface))
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|                                    #~())
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|                             #$(string-append "--max-clients="
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|                                              (number->string max-clients))
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|                             #$@(if ssl?
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|                                    #~((string-append "--ssl-key=" #$ssl-key)
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|                                       (string-append "--ssl-cert=" #$ssl-cert))
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|                                    #~("--no-ssl"))
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|                             #$@(if debug?
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|                                    #~("--debug")
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|                                    #~()))
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|                       #:environment-variables
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|                       '#$%default-ganeti-environment-variables
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|                       #:pid-file "/var/run/ganeti/ganeti-noded.pid"))
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|             (stop #~(make-kill-destructor)))))))
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| 
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| (define ganeti-noded-service-type
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|   (service-type (name 'ganeti-noded)
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|                 (extensions
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|                  (list (service-extension shepherd-root-service-type
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|                                           ganeti-noded-service)))
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|                 (default-value (ganeti-noded-configuration))
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|                 (description
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|                  "@command{ganeti-noded} is the daemon which is responsible
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| for the node functions in the Ganeti system.")))
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| 
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| (define-record-type* <ganeti-confd-configuration>
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|   ganeti-confd-configuration make-ganeti-confd-configuration
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|   ganeti-confd-configuration?
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|   (ganeti      ganeti-confd-configuration-ganeti        ;<package>
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|                (default ganeti))
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|   (port        ganeti-confd-configuration-port          ;integer
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|                (default 1814))
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|   (address     ganeti-confd-configuration-address       ;string
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|                (default "0.0.0.0"))
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|   (debug?      ganeti-confd-configuration-debug?        ;Boolean
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|                (default #f)))
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| 
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| (define ganeti-confd-service
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|   (match-lambda
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|     (($ <ganeti-confd-configuration> ganeti port address debug?)
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|      (list (shepherd-service
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|             (documentation "Run the Ganeti confd daemon.")
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|             (provision '(ganeti-confd))
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|             (requirement '(user-processes networking))
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|             (respawn? #f)
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|             (start #~(make-forkexec-constructor
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|                       (list #$(file-append ganeti "/sbin/ganeti-confd")
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|                             #$(string-append "--port=" (number->string port))
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|                             #$(string-append "--bind=" address)
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|                             #$@(if debug?
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|                                    #~("--debug")
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|                                    #~()))
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|                       #:environment-variables
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|                       '#$%default-ganeti-environment-variables
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|                       #:pid-file "/var/run/ganeti/ganeti-confd.pid"))
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|             (stop #~(make-kill-destructor)))))))
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| 
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| (define ganeti-confd-service-type
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|   (service-type (name 'ganeti-confd)
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|                 (extensions
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|                  (list (service-extension shepherd-root-service-type
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|                                           ganeti-confd-service)))
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|                 (default-value (ganeti-confd-configuration))
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|                 (description
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|                  "@command{ganeti-confd} is a daemon used to answer queries
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| related to the configuration of a Ganeti cluster.")))
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| 
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| (define-record-type* <ganeti-wconfd-configuration>
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|   ganeti-wconfd-configuration make-ganeti-wconfd-configuration
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|   ganeti-wconfd-configuration?
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|   (ganeti      ganeti-wconfd-configuration-ganeti       ;<package>
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|                (default ganeti))
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|   (no-voting?  ganeti-wconfd-configuration-no-voting?   ;Boolean
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|                (default #f))
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|   (debug?      ganeti-wconfd-configuration-debug?       ;Boolean
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|                (default #f)))
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| 
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| ;; If this file exists, the wconfd daemon will be forcefully started even on
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| ;; non-master nodes.  It is used to accommodate a master-failover scenario.
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| (define %wconfd-force-node-hint
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|   "/var/lib/ganeti/guix_wconfd_force_node_hint")
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| 
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| (define (wconfd-wrapper ganeti args)
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|   ;; Wrapper for the wconfd daemon that looks for the force-node hint.
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|   (program-file
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|    "wconfd-wrapper"
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|    #~(begin
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|        (let ((wconfd #$(file-append ganeti "/sbin/ganeti-wconfd"))
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|              (force-node? (file-exists? #$%wconfd-force-node-hint)))
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|          (if force-node?
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|              (execl wconfd wconfd "--force-node" "--no-voting" "--yes-do-it" #$@args)
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|              (execl wconfd wconfd #$@args))))))
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| 
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| (define shepherd-wconfd-force-start-action
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|   ;; Shepherd action to create the force-node hint and start wconfd.
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|   (shepherd-action
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|    (name 'force-start)
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|    (documentation
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|     "Forcefully start wconfd even on non-master nodes (dangerous!).")
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|    (procedure #~(lambda _
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|                   (format #t "Forcefully starting the wconfd daemon...~%")
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|                   (action 'ganeti-wconfd 'enable)
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|                   (dynamic-wind
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|                     (lambda ()
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|                       (false-if-exception
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|                        (call-with-output-file #$%wconfd-force-node-hint
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|                          (lambda (port)
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|                            (const #t)))))
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|                     (lambda ()
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|                       (action 'ganeti-wconfd 'restart))
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|                     (lambda ()
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|                       (delete-file #$%wconfd-force-node-hint)))
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|                     #t))))
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| 
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| (define ganeti-wconfd-service
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|   (match-lambda
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|     (($ <ganeti-wconfd-configuration> ganeti no-voting? debug?)
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|      (list (shepherd-service
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|             (documentation "Run the Ganeti wconfd daemon.")
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|             (provision '(ganeti-wconfd))
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|             (requirement '(user-processes))
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| 
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|             ;; Shepherd action to support a master-failover scenario.  It is
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|             ;; automatically invoked during 'gnt-cluster master-failover' (see
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|             ;; related Ganeti patch) and not intended for interactive use.
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|             (actions (list shepherd-wconfd-force-start-action))
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| 
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|             ;; wconfd will disable itself when not running on the master
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|             ;; node.  Don't attempt to restart it.
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|             (respawn? #f)
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| 
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|             (start
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|              #~(make-forkexec-constructor
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|                 (list #$(wconfd-wrapper ganeti
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|                                         (append
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|                                          (if no-voting?
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|                                              '("--no-voting" "--yes-do-it")
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|                                              '())
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|                                          (if debug?
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|                                              '("--debug")
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|                                              '()))))
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|                 #:environment-variables
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|                 '#$%default-ganeti-environment-variables
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|                 #:pid-file "/var/run/ganeti/ganeti-wconfd.pid"))
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|             (stop #~(make-kill-destructor)))))))
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| 
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| (define ganeti-wconfd-service-type
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|   (service-type (name 'ganeti-wconfd)
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|                 (extensions
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|                  (list (service-extension shepherd-root-service-type
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|                                           ganeti-wconfd-service)))
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|                 (default-value (ganeti-wconfd-configuration))
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|                 (description
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|                  "@command{ganeti-wconfd} is the daemon that has authoritative
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| knowledge about the configuration and is the only entity that can accept changes
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| to it.  All jobs that need to modify the configuration will do so by sending
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| appropriate requests to this daemon.")))
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| 
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| (define-record-type* <ganeti-luxid-configuration>
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|   ganeti-luxid-configuration make-ganeti-luxid-configuration
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|   ganeti-luxid-configuration?
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|   (ganeti      ganeti-luxid-configuration-ganeti        ;<package>
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|                (default ganeti))
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|   (no-voting?  ganeti-luxid-configuration-no-voting?    ;Boolean
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|                (default #f))
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|   (debug?      ganeti-luxid-configuration-debug?        ;Boolean
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|                (default #f)))
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| 
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| (define ganeti-luxid-service
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|   (match-lambda
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|     (($ <ganeti-luxid-configuration> ganeti no-voting? debug?)
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|      (list (shepherd-service
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|             (documentation "Run the Ganeti LUXI daemon.")
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|             (provision '(ganeti-luxid))
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|             (requirement '(user-processes))
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| 
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|             ;; This service will automatically disable itself when not
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|             ;; running on the master node.  Don't attempt to restart it.
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|             (respawn? #f)
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| 
 | |
|             (start #~(make-forkexec-constructor
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|                       (list #$(file-append ganeti "/sbin/ganeti-luxid")
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|                             #$@(if no-voting?
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|                                    #~("--no-voting" "--yes-do-it")
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|                                    #~())
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|                             #$@(if debug?
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|                                    #~("--debug")
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|                                    #~()))
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|                       #:environment-variables
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|                       '#$%default-ganeti-environment-variables
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|                       #:pid-file "/var/run/ganeti/ganeti-luxid.pid"))
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|             (stop #~(make-kill-destructor)))))))
 | |
| 
 | |
| (define ganeti-luxid-service-type
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|   (service-type (name 'ganeti-luxid)
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|                 (extensions
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|                  (list (service-extension shepherd-root-service-type
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|                                           ganeti-luxid-service)))
 | |
|                 (default-value (ganeti-luxid-configuration))
 | |
|                 (description
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|                  "@command{ganeti-luxid} is a daemon used to answer queries
 | |
| related to the configuration and the current live state of a Ganeti cluster.
 | |
| Additionally, it is the authoritative daemon for the Ganeti job queue.  Jobs can
 | |
| be submitted via this daemon and it schedules and starts them.")))
 | |
| 
 | |
| (define-record-type* <ganeti-rapi-configuration>
 | |
|   ganeti-rapi-configuration make-ganeti-rapi-configuration
 | |
|   ganeti-rapi-configuration?
 | |
|   (ganeti      ganeti-rapi-configuration-ganeti         ;<package>
 | |
|                (default ganeti))
 | |
|   (require-authentication?
 | |
|    ganeti-rapi-configuration-require-authentication?    ;Boolean
 | |
|    (default #f))
 | |
|   (port        ganeti-rapi-configuration-port           ;integer
 | |
|                (default 5080))
 | |
|   (address     ganeti-rapi-configuration-address        ;string
 | |
|                (default "0.0.0.0"))
 | |
|   (interface   ganeti-rapi-configuration-interface      ;string | #f
 | |
|                (default #f))
 | |
|   (max-clients ganeti-rapi-configuration-max-clients    ;integer
 | |
|                (default 20))
 | |
|   (ssl?        ganeti-rapi-configuration-ssl?           ;Boolean
 | |
|                (default #t))
 | |
|   (ssl-key     ganeti-rapi-configuration-ssl-key        ;string
 | |
|                (default "/var/lib/ganeti/server.pem"))
 | |
|   (ssl-cert    ganeti-rapi-configuration-ssl-cert       ;string
 | |
|                (default "/var/lib/ganeti/server.pem"))
 | |
|   (debug?      ganeti-rapi-configuration-debug?         ;Boolean
 | |
|                (default #f)))
 | |
| 
 | |
| (define ganeti-rapi-service
 | |
|   (match-lambda
 | |
|     (($ <ganeti-rapi-configuration> ganeti require-authentication? port address
 | |
|                                     interface max-clients ssl? ssl-key ssl-cert
 | |
|                                     debug?)
 | |
|      (list (shepherd-service
 | |
|             (documentation "Run the Ganeti RAPI daemon.")
 | |
|             (provision '(ganeti-rapi))
 | |
|             (requirement '(user-processes networking))
 | |
| 
 | |
|             ;; This service will automatically disable itself when not
 | |
|             ;; running on the master node.  Don't attempt to restart it.
 | |
|             (respawn? #f)
 | |
| 
 | |
|             (start #~(make-forkexec-constructor
 | |
|                       (list #$(file-append ganeti "/sbin/ganeti-rapi")
 | |
|                             #$@(if require-authentication?
 | |
|                                    #~("--require-authentication")
 | |
|                                    #~())
 | |
|                             #$(string-append "--port=" (number->string port))
 | |
|                             #$(string-append "--bind=" address)
 | |
|                             #$@(if interface
 | |
|                                    #~((string-append "--interface=" #$interface))
 | |
|                                    #~())
 | |
|                             #$(string-append "--max-clients="
 | |
|                                              (number->string max-clients))
 | |
|                             #$@(if ssl?
 | |
|                                    #~((string-append "--ssl-key=" #$ssl-key)
 | |
|                                       (string-append "--ssl-cert=" #$ssl-cert))
 | |
|                                    #~("--no-ssl"))
 | |
|                             #$@(if debug?
 | |
|                                    #~("--debug")
 | |
|                                    #~()))
 | |
|                       #:environment-variables
 | |
|                       '#$%default-ganeti-environment-variables
 | |
|                       #:pid-file "/var/run/ganeti/ganeti-rapi.pid"))
 | |
|             (stop #~(make-kill-destructor)))))))
 | |
| 
 | |
| (define ganeti-rapi-service-type
 | |
|   (service-type (name 'ganeti-rapi)
 | |
|                 (extensions
 | |
|                  (list (service-extension shepherd-root-service-type
 | |
|                                           ganeti-rapi-service)))
 | |
|                 (default-value (ganeti-rapi-configuration))
 | |
|                 (description
 | |
|                  "@command{ganeti-rapi} is the daemon providing a remote API
 | |
| for Ganeti clusters.")))
 | |
| 
 | |
| (define-record-type* <ganeti-kvmd-configuration>
 | |
|   ganeti-kvmd-configuration make-ganeti-kvmd-configuration
 | |
|   ganeti-kvmd-configuration?
 | |
|   (ganeti      ganeti-kvmd-configuration-ganeti         ;<package>
 | |
|                (default ganeti))
 | |
|   (debug?      ganeti-kvmd-configuration-debug?         ;Boolean
 | |
|                (default #f)))
 | |
| 
 | |
| (define ganeti-kvmd-service
 | |
|   (match-lambda
 | |
|     (($ <ganeti-kvmd-configuration> ganeti debug?)
 | |
|      (list (shepherd-service
 | |
|             (documentation "Run the Ganeti KVM daemon.")
 | |
|             (provision '(ganeti-kvmd))
 | |
|             (requirement '(user-processes))
 | |
| 
 | |
|             ;; This service will automatically disable itself when not
 | |
|             ;; needed.  Don't attempt to restart it.
 | |
|             (respawn? #f)
 | |
| 
 | |
|             (start #~(make-forkexec-constructor
 | |
|                       (list #$(file-append ganeti "/sbin/ganeti-kvmd")
 | |
|                             #$@(if debug?
 | |
|                                    #~("--debug")
 | |
|                                    #~()))
 | |
|                       #:environment-variables
 | |
|                       '#$%default-ganeti-environment-variables
 | |
|                       #:pid-file "/var/run/ganeti/ganeti-kvmd.pid"))
 | |
|             (stop #~(make-kill-destructor)))))))
 | |
| 
 | |
| (define ganeti-kvmd-service-type
 | |
|   (service-type (name 'ganeti-kvmd)
 | |
|                 (extensions
 | |
|                  (list (service-extension shepherd-root-service-type
 | |
|                                           ganeti-kvmd-service)))
 | |
|                 (default-value (ganeti-kvmd-configuration))
 | |
|                 (description
 | |
|                  "@command{ganeti-kvmd} is responsible for determining whether
 | |
| a given KVM instance was shutdown by an administrator or a user.
 | |
| 
 | |
| The KVM daemon monitors, using @code{inotify}, KVM instances through their QMP
 | |
| sockets, which are provided by KVM.  Using the QMP sockets, the KVM daemon
 | |
| listens for particular shutdown, powerdown, and stop events which will determine
 | |
| if a given instance was shutdown by the user or Ganeti, and this result is
 | |
| communicated to Ganeti via a special file in the file system.")))
 | |
| 
 | |
| (define-record-type* <ganeti-mond-configuration>
 | |
|   ganeti-mond-configuration make-ganeti-mond-configuration
 | |
|   ganeti-mond-configuration?
 | |
|   (ganeti      ganeti-mond-configuration-ganeti         ;<package>
 | |
|                (default ganeti))
 | |
|   (port        ganeti-mond-configuration-port           ;integer
 | |
|                (default 1815))
 | |
|   (address     ganeti-mond-configuration-address        ;string
 | |
|                (default "0.0.0.0"))
 | |
|   (debug?      ganeti-mond-configuration-debug?         ;Boolean
 | |
|                (default #f)))
 | |
| 
 | |
| (define ganeti-mond-service
 | |
|   (match-lambda
 | |
|     (($ <ganeti-mond-configuration> ganeti port address debug?)
 | |
|      (list (shepherd-service
 | |
|             (documentation "Run the Ganeti monitoring daemon.")
 | |
|             (provision '(ganeti-mond))
 | |
|             (requirement '(user-processes networking))
 | |
|             (respawn? #f)
 | |
|             (start #~(make-forkexec-constructor
 | |
|                       (list #$(file-append ganeti "/sbin/ganeti-mond")
 | |
|                             #$(string-append "--port=" (number->string port))
 | |
|                             #$(string-append "--bind=" address)
 | |
|                             #$@(if debug?
 | |
|                                    #~("--debug")
 | |
|                                    #~()))
 | |
|                       #:pid-file "/var/run/ganeti/ganeti-mond.pid"))
 | |
|             (stop #~(make-kill-destructor)))))))
 | |
| 
 | |
| (define ganeti-mond-service-type
 | |
|   (service-type (name 'ganeti-mond)
 | |
|                 (extensions
 | |
|                  (list (service-extension shepherd-root-service-type
 | |
|                                           ganeti-mond-service)))
 | |
|                 (default-value (ganeti-mond-configuration))
 | |
|                 (description
 | |
|                  "@command{ganeti-mond} is a daemon providing monitoring
 | |
| functionality.  It is responsible for running the data collectors and to
 | |
| provide the collected information through a HTTP interface.")))
 | |
| 
 | |
| (define-record-type* <ganeti-metad-configuration>
 | |
|   ganeti-metad-configuration make-ganeti-metad-configuration
 | |
|   ganeti-metad-configuration?
 | |
|   (ganeti      ganeti-metad-configuration-ganeti        ;<package>
 | |
|                (default ganeti))
 | |
|   (port        ganeti-metad-configuration-port          ;integer
 | |
|                (default 80))
 | |
|   (address     ganeti-metad-configuration-address       ;string | #f
 | |
|                (default #f))
 | |
|   (debug?      ganeti-metad-configuration-debug?        ;Boolean
 | |
|                (default #f)))
 | |
| 
 | |
| (define ganeti-metad-service
 | |
|   (match-lambda
 | |
|     (($ <ganeti-metad-configuration> ganeti port address debug?)
 | |
|      (list (shepherd-service
 | |
|             (documentation "Run the Ganeti metadata daemon.")
 | |
|             (provision '(ganeti-metad))
 | |
|             (requirement '(user-processes networking))
 | |
|             (respawn? #f)
 | |
|             (start #~(make-forkexec-constructor
 | |
|                       (list #$(file-append ganeti "/sbin/ganeti-metad")
 | |
|                             #$(string-append "--port=" (number->string port))
 | |
|                             #$@(if address
 | |
|                                    #~((string-append "--bind=" #$address))
 | |
|                                    #~())
 | |
|                             #$@(if debug?
 | |
|                                    #~("--debug")
 | |
|                                    #~()))
 | |
|                       #:pid-file "/var/run/ganeti/ganeti-metad.pid"))
 | |
|             (stop #~(make-kill-destructor)))))))
 | |
| 
 | |
| (define ganeti-metad-service-type
 | |
|   (service-type (name 'ganeti-metad)
 | |
|                 (extensions
 | |
|                  (list (service-extension shepherd-root-service-type
 | |
|                                           ganeti-metad-service)))
 | |
|                 (default-value (ganeti-metad-configuration))
 | |
|                 (description
 | |
|                  "@command{ganeti-metad} is a daemon that can be used to pass
 | |
| information to OS install scripts or instances.")))
 | |
| 
 | |
| (define-record-type* <ganeti-watcher-configuration>
 | |
|   ganeti-watcher-configuration make-ganeti-watcher-configuration
 | |
|   ganeti-watcher-configuration?
 | |
|   (ganeti        ganeti-watcher-configuration-ganeti        ;<package>
 | |
|                  (default ganeti))
 | |
|   (schedule      ganeti-watcher-configuration-schedule      ;list | string
 | |
|                  (default '(next-second-from
 | |
|                             ;; Run every five minutes.
 | |
|                             (next-minute (range 0 60 5)))))
 | |
|   (rapi-ip       ganeti-watcher-configuration-rapi-ip       ;#f | string
 | |
|                  (default #f))
 | |
|   (job-age       ganeti-watcher-configuration-job-age       ;integer
 | |
|                  (default (* 6 3600)))
 | |
|   (verify-disks? ganeti-watcher-configuration-verify-disks? ;Boolean
 | |
|                  (default #t))
 | |
|   (debug?        ganeti-watcher-configuration-debug?        ;Boolean
 | |
|                  (default #f)))
 | |
| 
 | |
| (define ganeti-watcher-command
 | |
|   (match-lambda
 | |
|     (($ <ganeti-watcher-configuration> ganeti _ rapi-ip job-age verify-disks?
 | |
|                                        debug?)
 | |
|      #~(lambda ()
 | |
|          (system* #$(file-append ganeti "/sbin/ganeti-watcher")
 | |
|                   #$@(if rapi-ip
 | |
|                          #~((string-append "--rapi-ip=" #$rapi-ip))
 | |
|                          #~())
 | |
|                   #$(string-append "--job-age=" (number->string job-age))
 | |
|                   #$@(if verify-disks?
 | |
|                          #~()
 | |
|                          #~("--no-verify-disks"))
 | |
|                   #$@(if debug?
 | |
|                          #~("--debug")
 | |
|                          #~()))))))
 | |
| 
 | |
| (define (ganeti-watcher-jobs config)
 | |
|   (match config
 | |
|     (($ <ganeti-watcher-configuration> _ schedule)
 | |
|      (list
 | |
|       #~(job #$@(match schedule
 | |
|                   ((? string?)
 | |
|                    #~(#$schedule))
 | |
|                   ((? list?)
 | |
|                    #~('#$schedule)))
 | |
|              #$(ganeti-watcher-command config))))))
 | |
| 
 | |
| (define ganeti-watcher-service-type
 | |
|   (service-type (name 'ganeti-watcher)
 | |
|                 (extensions
 | |
|                  (list (service-extension mcron-service-type
 | |
|                                           ganeti-watcher-jobs)))
 | |
|                 (default-value (ganeti-watcher-configuration))
 | |
|                 (description
 | |
|                  "@command{ganeti-watcher} is a periodically run script that
 | |
| performs a number of maintenance actions on the cluster.  It will automatically
 | |
| restart instances that are marked as ERROR_down, i.e., instances that should be
 | |
| running, but are not; and it will also try to repair DRBD links in case a
 | |
| secondary node has rebooted.  In addition it is responsible for archiving old
 | |
| cluster jobs, and it will restart any down Ganeti daemons that are appropriate
 | |
| for the current node.  If the cluster parameter @code{maintain_node_health} is
 | |
| enabled, the watcher will also shutdown instances and DRBD devices if the node
 | |
| is declared offline by known master candidates.")))
 | |
| 
 | |
| (define-record-type* <ganeti-cleaner-configuration>
 | |
|   ganeti-cleaner-configuration make-ganeti-cleaner-configuration
 | |
|   ganeti-cleaner-configuration?
 | |
|   (ganeti          ganeti-cleaner-configuration-ganeti          ;<package>
 | |
|                    (default ganeti))
 | |
|   (master-schedule ganeti-cleaner-configuration-master-schedule ;list | string
 | |
|                    ;; Run the master cleaner at 01:45 every day.
 | |
|                    (default "45 1 * * *"))
 | |
|   (node-schedule ganeti-cleaner-configuration-node-schedule     ;list | string
 | |
|                    ;; Run the node cleaner at 02:45 every day.
 | |
|                    (default "45 2 * * *")))
 | |
| 
 | |
| (define ganeti-cleaner-jobs
 | |
|   (match-lambda
 | |
|     (($ <ganeti-cleaner-configuration> ganeti master-schedule node-schedule)
 | |
|      (list
 | |
|       #~(job #$@(match master-schedule
 | |
|                   ((? string?)
 | |
|                    #~(#$master-schedule))
 | |
|                   ((? list?)
 | |
|                    #~('#$master-schedule)))
 | |
|              (lambda ()
 | |
|               (system* #$(file-append ganeti "/sbin/ganeti-cleaner")
 | |
|                        "master")))
 | |
|       #~(job #$@(match node-schedule
 | |
|                   ((? string?)
 | |
|                    #~(#$node-schedule))
 | |
|                   ((? list?)
 | |
|                    #~('#$node-schedule)))
 | |
|              (lambda ()
 | |
|                (system* #$(file-append ganeti "/sbin/ganeti-cleaner")
 | |
|                         "node")))))))
 | |
| 
 | |
| (define ganeti-cleaner-service-type
 | |
|   (service-type (name 'ganeti-cleaner)
 | |
|                 (extensions
 | |
|                  (list (service-extension mcron-service-type
 | |
|                                           ganeti-cleaner-jobs)))
 | |
|                 (default-value (ganeti-cleaner-configuration))
 | |
|                 (description
 | |
|                  "@command{ganeti-cleaner} is a script that removes old files
 | |
| from the cluster.  When called with @code{node} as argument it removes expired
 | |
| X509 certificates and keys from @file{/var/run/ganeti/crypto}, as well as
 | |
| outdated @command{ganeti-watcher} information.
 | |
| 
 | |
| When called with @code{master} as argument, it instead removes files older
 | |
| than 21 days from @file{/var/lib/ganeti/queue/archive}.")))
 | |
| 
 | |
| (define-record-type* <ganeti-configuration>
 | |
|   ganeti-configuration make-ganeti-configuration
 | |
|   ganeti-configuration?
 | |
|   (ganeti                 ganeti-configuration-ganeti
 | |
|                           (default ganeti))
 | |
|   (noded-configuration    ganeti-configuration-noded-configuration
 | |
|                           (default (ganeti-noded-configuration)))
 | |
|   (confd-configuration    ganeti-configuration-confd-configuration
 | |
|                           (default (ganeti-confd-configuration)))
 | |
|   (wconfd-configuration   ganeti-configuration-wconfd-configuration
 | |
|                           (default (ganeti-wconfd-configuration)))
 | |
|   (luxid-configuration    ganeti-configuration-luxid-configuration
 | |
|                           (default (ganeti-luxid-configuration)))
 | |
|   (rapi-configuration     ganeti-configuration-rapi-configuration
 | |
|                           (default (ganeti-rapi-configuration)))
 | |
|   (kvmd-configuration     ganeti-configuration-kvmd-configuration
 | |
|                           (default (ganeti-kvmd-configuration)))
 | |
|   (mond-configuration     ganeti-configuration-mond-configuration
 | |
|                           (default (ganeti-mond-configuration)))
 | |
|   (metad-configuration    ganeti-configuration-metad-configuration
 | |
|                           (default (ganeti-metad-configuration)))
 | |
|   (watcher-configuration  ganeti-configuration-watcher-configuration
 | |
|                           (default (ganeti-watcher-configuration)))
 | |
|   (cleaner-configuration  ganeti-configuration-cleaner-configuration
 | |
|                           (default (ganeti-cleaner-configuration)))
 | |
|   (file-storage-paths     ganeti-configuration-file-storage-paths ;list of strings | gexp
 | |
|                           (default '()))
 | |
|   (os                     ganeti-configuration-os  ;list of <ganeti-os>
 | |
|                           (default '())))
 | |
| 
 | |
| (define (ganeti-activation config)
 | |
|   (with-imported-modules '((guix build utils))
 | |
|     #~(begin
 | |
|         (use-modules (guix build utils))
 | |
|         (for-each mkdir-p
 | |
|                   '("/var/log/ganeti"
 | |
|                     "/var/log/ganeti/kvm"
 | |
|                     "/var/log/ganeti/os"
 | |
|                     "/var/lib/ganeti/rapi"
 | |
|                     "/var/lib/ganeti/queue"
 | |
|                     "/var/lib/ganeti/queue/archive"
 | |
|                     "/var/run/ganeti/bdev-cache"
 | |
|                     "/var/run/ganeti/crypto"
 | |
|                     "/var/run/ganeti/socket"
 | |
|                     "/var/run/ganeti/instance-disks"
 | |
|                     "/var/run/ganeti/instance-reason"
 | |
|                     "/var/run/ganeti/livelocks")))))
 | |
| 
 | |
| (define ganeti-shepherd-services
 | |
|   (match-lambda
 | |
|     (($ <ganeti-configuration> _ noded confd wconfd luxid rapi kvmd mond metad)
 | |
|      (append (ganeti-noded-service noded)
 | |
|              (ganeti-confd-service confd)
 | |
|              (ganeti-wconfd-service wconfd)
 | |
|              (ganeti-luxid-service luxid)
 | |
|              (ganeti-rapi-service rapi)
 | |
|              (ganeti-kvmd-service kvmd)
 | |
|              (ganeti-mond-service mond)
 | |
|              (ganeti-metad-service metad)))))
 | |
| 
 | |
| (define ganeti-mcron-jobs
 | |
|   (match-lambda
 | |
|     (($ <ganeti-configuration> _ _ _ _ _ _ _ _ _ watcher cleaner)
 | |
|      (append (ganeti-watcher-jobs watcher)
 | |
|              (ganeti-cleaner-jobs cleaner)))))
 | |
| 
 | |
| (define-record-type* <ganeti-os>
 | |
|   ganeti-os make-ganeti-os ganeti-os?
 | |
|   (name ganeti-os-name)                     ;string
 | |
|   (extension ganeti-os-extension)           ;string
 | |
|   (variants ganeti-os-variants              ;list of <ganeti-os-variant>
 | |
|             (default '())))
 | |
| 
 | |
| (define-record-type* <ganeti-os-variant>
 | |
|   ganeti-os-variant make-ganeti-os-variant ganeti-os-variant?
 | |
|   (name ganeti-os-variant-name)                       ;string
 | |
|   (configuration ganeti-os-variant-configuration))    ;<file-like>
 | |
| 
 | |
| (define %debootstrap-interfaces-hook
 | |
|   (file-append ganeti-instance-debootstrap
 | |
|                "/share/doc/ganeti-instance-debootstrap/examples/interfaces"))
 | |
| 
 | |
| ;; The GRUB hook shipped with instance-debootstrap does not work with GRUB2.
 | |
| ;; For convenience, provide one that work with modern Debians here.
 | |
| ;; Note: it would be neat to reuse Guix' bootloader infrastructure instead.
 | |
| (define %debootstrap-grub-hook
 | |
|   (plain-file "grub"
 | |
|               "#!/usr/bin/env bash
 | |
| CLEANUP=( )
 | |
| cleanup() {
 | |
|   if [ ${#CLEANUP[*]} -gt 0 ]; then
 | |
|     LAST_ELEMENT=$((${#CLEANUP[*]}-1))
 | |
|     REVERSE_INDEXES=$(seq ${LAST_ELEMENT} -1 0)
 | |
|     for i in $REVERSE_INDEXES; do
 | |
|       ${CLEANUP[$i]}
 | |
|     done
 | |
|   fi
 | |
| }
 | |
| 
 | |
| trap cleanup EXIT
 | |
| 
 | |
| mount -t proc proc $TARGET/proc
 | |
| CLEANUP+=(\"umount $TARGET/proc\")
 | |
| mount -t sysfs sysfs $TARGET/sys
 | |
| CLEANUP+=(\"umount $TARGET/sys\")
 | |
| mount -o bind /dev $TARGET/dev
 | |
| CLEANUP+=(\"umount $TARGET/dev\")
 | |
| 
 | |
| echo '
 | |
| GRUB_TIMEOUT_STYLE=menu
 | |
| GRUB_CMDLINE_LINUX_DEFAULT=\"console=ttyS0,115200 net.ifnames=0\"
 | |
| GRUB_TERMINAL=\"serial\"
 | |
| GRUB_SERIAL_COMMAND=\"serial --unit=0 --speed=115200\"
 | |
| ' >> $TARGET/etc/default/grub
 | |
| 
 | |
| # This PATH is propagated into the chroot and necessary to make grub-install
 | |
| # and related commands visible.
 | |
| export PATH=\"/usr/sbin:/usr/bin:/sbin:/bin:$PATH\"
 | |
| 
 | |
| chroot \"$TARGET\" grub-install $BLOCKDEV
 | |
| chroot \"$TARGET\" update-grub
 | |
| 
 | |
| cleanup
 | |
| trap - EXIT
 | |
| "))
 | |
| 
 | |
| (define %default-debootstrap-hooks
 | |
|   `((10-interfaces . ,%debootstrap-interfaces-hook)
 | |
|     (90-grub . ,%debootstrap-grub-hook)))
 | |
| 
 | |
| (define %default-debootstrap-extra-pkgs
 | |
|   ;; Packages suitable for a fully virtualized KVM guest.
 | |
|   '("acpi-support-base" "udev" "linux-image-amd64" "openssh-server"
 | |
|     "locales-all" "grub-pc"))
 | |
| 
 | |
| (define-record-type* <debootstrap-configuration>
 | |
|   debootstrap-configuration make-debootstrap-configuration
 | |
|   debootstrap-configuration?
 | |
|   (hooks debootstrap-configuration-hooks                     ;#f | gexp | '((name . gexp))
 | |
|          (default %default-debootstrap-hooks))
 | |
|   (proxy debootstrap-configuration-proxy (default #f))       ;#f | string
 | |
|   (mirror debootstrap-configuration-mirror                   ;#f | string
 | |
|           (default #f))
 | |
|   (arch debootstrap-configuration-arch (default #f))         ;#f | string
 | |
|   (suite debootstrap-configuration-suite                     ;#f | string
 | |
|          (default "stable"))
 | |
|   (extra-pkgs debootstrap-configuration-extra-pkgs           ;list of strings
 | |
|               (default %default-debootstrap-extra-pkgs))
 | |
|   (components debootstrap-configuration-components           ;list of strings
 | |
|               (default '()))
 | |
|   (generate-cache? debootstrap-configuration-generate-cache? ;Boolean
 | |
|                    (default #t))
 | |
|   (clean-cache debootstrap-configuration-clean-cache         ;#f | integer
 | |
|                (default 14))
 | |
|   (partition-style debootstrap-configuration-partition-style ;#f | symbol | string
 | |
|                    (default 'msdos))
 | |
|   (partition-alignment debootstrap-configuration-partition-alignment ;#f | integer
 | |
|                        (default 2048)))
 | |
| 
 | |
| (define (hooks->directory hooks)
 | |
|   (match hooks
 | |
|     ((? file-like?)
 | |
|      hooks)
 | |
|     ((? list?)
 | |
|      (let ((names (map car hooks))
 | |
|            (files (map cdr hooks)))
 | |
|        (with-imported-modules '((guix build utils))
 | |
|          (computed-file "hooks-union"
 | |
|                         #~(begin
 | |
|                             (use-modules (guix build utils)
 | |
|                                          (ice-9 match))
 | |
|                             (mkdir-p #$output)
 | |
|                             (with-directory-excursion #$output
 | |
|                               (for-each (match-lambda
 | |
|                                           ((name hook)
 | |
|                                            (let ((file-name (string-append
 | |
|                                                              #$output "/"
 | |
|                                                              (symbol->string name))))
 | |
|                                              ;; Copy to the destination to ensure
 | |
|                                              ;; the file is executable.
 | |
|                                              (copy-file hook file-name)
 | |
|                                              (chmod file-name #o555))))
 | |
|                                         '#$(zip names files))))))))
 | |
|     (_ #f)))
 | |
| 
 | |
| (define-gexp-compiler (debootstrap-configuration-compiler
 | |
|                        (file <debootstrap-configuration>) system target)
 | |
|   (match file
 | |
|     (($ <debootstrap-configuration> hooks proxy mirror arch suite extra-pkgs
 | |
|                                     components generate-cache? clean-cache
 | |
|                                     partition-style partition-alignment)
 | |
|      (let ((customize-dir (hooks->directory hooks)))
 | |
|        (gexp->derivation
 | |
|         "debootstrap-variant"
 | |
|         #~(call-with-output-file (ungexp output "out")
 | |
|             (lambda (port)
 | |
|               (display
 | |
|                (string-append
 | |
|                 (ungexp-splicing
 | |
|                  `(,@(if proxy
 | |
|                           `("PROXY=" ,proxy "\n")
 | |
|                           '())
 | |
|                     ,@(if mirror
 | |
|                           `("MIRROR=" ,mirror "\n")
 | |
|                           '())
 | |
|                     ,@(if arch
 | |
|                           `("ARCH=" ,arch "\n")
 | |
|                           '())
 | |
|                     ,@(if suite
 | |
|                           `("SUITE=" ,suite "\n")
 | |
|                           '())
 | |
|                     ,@(if (not (null? extra-pkgs))
 | |
|                           `("EXTRA_PKGS=" ,(string-join extra-pkgs ",") "\n")
 | |
|                           '())
 | |
|                     ,@(if (not (null? components))
 | |
|                           `("COMPONENTS=" ,(string-join components ",") "\n")
 | |
|                           '())
 | |
|                     ,@(if customize-dir
 | |
|                           `("CUSTOMIZE_DIR=" ,customize-dir "\n")
 | |
|                           '())
 | |
|                     ,@(if generate-cache?
 | |
|                           '("GENERATE_CACHE=yes\n")
 | |
|                           '("GENERATE_CACHE=no\n"))
 | |
|                     ,@(if clean-cache
 | |
|                           `("CLEAN_CACHE=" ,(number->string clean-cache) "\n")
 | |
|                           '())
 | |
|                     ,@(if partition-style
 | |
|                           (if (symbol? partition-style)
 | |
|                               `("PARTITION_STYLE="
 | |
|                                 ,(symbol->string partition-style) "\n")
 | |
|                               `("PARTITION_STYLE=" ,partition-style "\n"))
 | |
|                           '())
 | |
|                     ,@(if partition-alignment
 | |
|                           `("PARTITION_ALIGNMENT="
 | |
|                             ,(number->string partition-alignment) "\n")
 | |
|                           '()))))
 | |
|                port)))
 | |
|         #:local-build? #t)))))
 | |
| 
 | |
| (define (ganeti-os->directory os)
 | |
|   "Return the derivation to build the configuration directory to be installed
 | |
| in /etc/ganeti/instance-$os for OS."
 | |
|   (let* ((name      (ganeti-os-name os))
 | |
|          (extension (ganeti-os-extension os))
 | |
|          (variants  (ganeti-os-variants os))
 | |
|          (names     (map ganeti-os-variant-name variants))
 | |
|          (configs   (map ganeti-os-variant-configuration variants)))
 | |
|     (with-imported-modules '((guix build utils))
 | |
|       (define builder
 | |
|         #~(begin
 | |
|             (use-modules (guix build utils)
 | |
|                          (ice-9 format)
 | |
|                          (ice-9 match)
 | |
|                          (srfi srfi-1))
 | |
|             (mkdir-p #$output)
 | |
|             (unless (null? '#$names)
 | |
|               (let ((variants-dir (string-append #$output "/variants")))
 | |
|                 (mkdir-p variants-dir)
 | |
|                 (call-with-output-file (string-append variants-dir "/variants.list")
 | |
|                   (lambda (port)
 | |
|                     (format port "~a~%"
 | |
|                             (string-join '#$names "\n"))))
 | |
|                 (for-each (match-lambda
 | |
|                             ((name file)
 | |
|                              (symlink file
 | |
|                                       (string-append variants-dir "/" name
 | |
|                                                      #$extension))))
 | |
| 
 | |
|                           '#$(zip names configs))))))
 | |
| 
 | |
|       (computed-file (string-append name "-os") builder))))
 | |
| 
 | |
| (define (ganeti-directory file-storage-file os)
 | |
|   (let ((dirs (map ganeti-os->directory os))
 | |
|         (names (map ganeti-os-name os)))
 | |
|     (define builder
 | |
|       #~(begin
 | |
|           (use-modules (ice-9 match))
 | |
|           (mkdir #$output)
 | |
|           (when #$file-storage-file
 | |
|             (symlink #$file-storage-file
 | |
|                      (string-append #$output "/file-storage-paths")))
 | |
|           (for-each (match-lambda
 | |
|                       ((name dest)
 | |
|                        (symlink dest
 | |
|                                 (string-append #$output "/instance-" name))))
 | |
|                     '#$(zip names dirs))))
 | |
|     (computed-file "etc-ganeti" builder)))
 | |
| 
 | |
| (define (file-storage-file paths)
 | |
|   (match paths
 | |
|     ((? null?) #f)
 | |
|     ((? list?) (plain-file
 | |
|                 "file-storage-paths"
 | |
|                 (string-join paths "\n")))
 | |
|     (_ paths)))
 | |
| 
 | |
| (define (ganeti-etc-service config)
 | |
|   (list `("ganeti" ,(ganeti-directory
 | |
|                      (file-storage-file
 | |
|                       (ganeti-configuration-file-storage-paths config))
 | |
|                      (ganeti-configuration-os config)))))
 | |
| 
 | |
| (define (debootstrap-os variants)
 | |
|   (ganeti-os
 | |
|    (name "debootstrap")
 | |
|    (extension ".conf")
 | |
|    (variants variants)))
 | |
| 
 | |
| (define (debootstrap-variant name configuration)
 | |
|   (ganeti-os-variant
 | |
|    (name name)
 | |
|    (configuration configuration)))
 | |
| 
 | |
| (define %default-debootstrap-variants
 | |
|   (list (debootstrap-variant
 | |
|          "default"
 | |
|          (debootstrap-configuration))))
 | |
| 
 | |
| (define (guix-os variants)
 | |
|   (ganeti-os
 | |
|    (name "guix")
 | |
|    (extension ".scm")
 | |
|    (variants variants)))
 | |
| 
 | |
| (define (guix-variant name configuration)
 | |
|   (ganeti-os-variant
 | |
|    (name name)
 | |
|    (configuration configuration)))
 | |
| 
 | |
| (define %default-guix-variants
 | |
|   (list (guix-variant
 | |
|          "default"
 | |
|          (file-append ganeti-instance-guix
 | |
|                       "/share/doc/ganeti-instance-guix/examples/dynamic.scm"))))
 | |
| 
 | |
| ;; The OS configurations usually come with a default OS.  To make them work
 | |
| ;; out of the box, follow suit.
 | |
| (define %default-ganeti-os
 | |
|   (list (debootstrap-os %default-debootstrap-variants)
 | |
|         (guix-os %default-guix-variants)))
 | |
| 
 | |
| (define ganeti-service-type
 | |
|   (service-type (name 'ganeti)
 | |
|                 (extensions
 | |
|                  (list (service-extension activation-service-type
 | |
|                                           ganeti-activation)
 | |
|                        (service-extension shepherd-root-service-type
 | |
|                                           ganeti-shepherd-services)
 | |
|                        (service-extension etc-service-type
 | |
|                                           ganeti-etc-service)
 | |
|                        (service-extension profile-service-type
 | |
|                                           (compose list ganeti-configuration-ganeti))
 | |
|                        (service-extension mcron-service-type
 | |
|                                           ganeti-mcron-jobs)))
 | |
|                 (default-value (ganeti-configuration (os %default-ganeti-os)))
 | |
|                 (description
 | |
|                  "Ganeti is a family of services that are designed to run
 | |
| on a fleet of machines and facilitate deployment and maintenance of virtual
 | |
| servers (@dfn{instances}).  It can migrate instances between nodes, automatically
 | |
| restart failed instances, evacuate nodes, and much more.")))
 |