* gnu/system.scm (operating-system-hosts-file): Deprecate procedure. (warn-hosts-file-field-deprecation): New procedure, helper for deprecated variable. (operating-system)[hosts-file]: Use helper to warn deprecated field. (local-host-aliases): Mark as deprecated. (local-host-entries): New procedure. (operating-system-default-essential-services, hurd-default-essential-services): Use hosts-service-type. Use '%operating-system-hosts-file' and 'local-host-entries'. (default-/etc/hosts): Remove procedure. (operating-system-etc-service): Remove hosts file. * doc/guix.texi (operating-system Reference) (Networking Services) (Virtualization Services): Rewrite documentation entries to use hosts-service-type. Co-authored-by: Ludovic Courtès <ludo@gnu.org>
		
			
				
	
	
		
			270 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
			
		
		
	
	
			270 lines
		
	
	
	
		
			11 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
| ;;; GNU Guix --- Functional package management for GNU
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| ;;; Copyright © 2020, 2021 Marius Bakke <marius@gnu.org>
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| ;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re>
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| ;;; Copyright © 2023 Bruno Victal <mirai@makinata.eu>
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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 tests ganeti)
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|   #:use-module (gnu)
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|   #:use-module (gnu tests)
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|   #:use-module (gnu system vm)
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|   #:use-module (gnu services)
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|   #:use-module (gnu services base)
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|   #:use-module (gnu services ganeti)
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|   #:use-module (gnu services networking)
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|   #:use-module (gnu services ssh)
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|   #:use-module (gnu packages virtualization)
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|   #:use-module (guix gexp)
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|   #:use-module (ice-9 format)
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|   #:export (%test-ganeti-kvm %test-ganeti-lxc))
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| 
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| (define %ganeti-os
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|   (operating-system
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|     (host-name "gnt1")
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|     (timezone "Etc/UTC")
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|     (locale "en_US.UTF-8")
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| 
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|     (bootloader (bootloader-configuration
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|                  (bootloader grub-bootloader)
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|                  (targets '("/dev/vda"))))
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|     (file-systems (cons (file-system
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|                           (device (file-system-label "my-root"))
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|                           (mount-point "/")
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|                           (type "ext4"))
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|                         %base-file-systems))
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|     (firmware '())
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| 
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|     (packages (append (list ganeti-instance-debootstrap ganeti-instance-guix)
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|                       %base-packages))
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| 
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|     ;; The hosts file must contain a nonlocal IP for host-name.
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|     (essential-services
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|      (modify-services (operating-system-default-essential-services this-operating-system)
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|        (hosts-service-type config => (list
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|                                       (host "127.0.0.1" "localhost")
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|                                       (host "::1"       "localhost")))))
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|     (services
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|      (append (list (service static-networking-service-type
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|                             (list %qemu-static-networking))
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|                    (service openssh-service-type
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|                             (openssh-configuration
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|                              (permit-root-login 'prohibit-password)))
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| 
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|                    ;; In addition, the cluster name must resolve to an IP address that
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|                    ;; is not currently provisioned.
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|                    (simple-service 'ganeti-host-entries hosts-service-type
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|                                    (list
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|                                     (host "10.0.2.15" "gnt1.example.com" '("gnt1"))
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|                                     (host "192.168.254.254" "ganeti.example.com")))
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| 
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|                    (service ganeti-service-type
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|                             (ganeti-configuration
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|                              (file-storage-paths '("/srv/ganeti/file-storage"))
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|                              (rapi-configuration
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|                               (ganeti-rapi-configuration
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|                                ;; Disable TLS so we can test the RAPI without
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|                                ;; pulling in GnuTLS.
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|                                (ssl? #f)))
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|                              (os %default-ganeti-os))))
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|              %base-services))))
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| 
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| (define* (run-ganeti-test hypervisor #:key
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|                           (master-netdev "eth0")
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|                           (hvparams '())
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|                           (extra-packages '())
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|                           (rapi-port 5080))
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|   "Run tests in %GANETI-OS."
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|   (define os
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|     (marionette-operating-system
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|      (operating-system
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|        (inherit %ganeti-os)
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|        (packages (append extra-packages
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|                          (operating-system-packages %ganeti-os))))
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|      #:imported-modules '((gnu services herd)
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|                           (guix combinators))))
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| 
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|   (define %forwarded-rapi-port 5080)
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| 
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|   (define vm
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|     (virtual-machine
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|      (operating-system os)
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|      ;; Some of the daemons are fairly memory-hungry.
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|      (memory-size 512)
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|      ;; Forward HTTP ports so we can access them from the "outside".
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|      (port-forwardings `((,%forwarded-rapi-port . ,rapi-port)))))
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| 
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|   (define test
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|     (with-imported-modules '((gnu build marionette))
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|       #~(begin
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|           (use-modules (srfi srfi-11) (srfi srfi-64)
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|                        (web uri) (web client) (web response)
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|                        (ice-9 iconv)
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|                        (gnu build marionette))
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| 
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|           (define marionette
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|             (make-marionette (list #$vm)))
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| 
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|           (test-runner-current (system-test-runner #$output))
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|           (test-begin "ganeti")
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| 
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|           ;; Ganeti uses the Shepherd to start/stop daemons, so make sure
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|           ;; it is ready before we begin.  It takes a while because all
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|           ;; Ganeti daemons fail to start initially.
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|           (test-assert "shepherd is ready"
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|             (wait-for-unix-socket "/var/run/shepherd/socket" marionette))
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| 
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|           (test-eq "gnt-cluster init"
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|             0
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|             (marionette-eval
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|              '(begin
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|                 (setenv
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|                  "PATH"
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|                  ;; Init needs to run 'ssh-keygen', 'ip', etc.
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|                  "/run/current-system/profile/sbin:/run/current-system/profile/bin")
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|                 (system* #$(file-append ganeti "/sbin/gnt-cluster") "init"
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|                          (string-append "--master-netdev=" #$master-netdev)
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|                          ;; TODO: Enable more disk backends.
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|                          "--enabled-disk-templates=file"
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|                          (string-append "--enabled-hypervisors="
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|                                         #$hypervisor)
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|                          (string-append "--hypervisor-parameters="
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|                                         #$hypervisor ":"
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|                                         (string-join '#$hvparams "\n"))
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|                          ;; Set the default NIC mode to 'routed' to avoid having to
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|                          ;; configure a full bridge to placate 'gnt-cluster verify'.
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|                          "--nic-parameters=mode=routed,link=eth0"
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|                          "ganeti.example.com"))
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|              marionette))
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| 
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|           ;; Disable the watcher while doing daemon tests to prevent interference.
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|           (test-eq "watcher pause"
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|             0
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|             (marionette-eval
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|              '(begin
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|                 (system* #$(file-append ganeti "/sbin/gnt-cluster")
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|                          "watcher" "pause" "1h"))
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|              marionette))
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| 
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|           (test-assert "force-start wconfd"
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|             ;; Check that the 'force-start' Shepherd action works, used in a
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|             ;; master-failover scenario.
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|             (marionette-eval
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|              '(begin
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|                 (setenv "PATH" "/run/current-system/profile/bin")
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|                 (invoke "herd" "stop" "ganeti-wconfd")
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|                 (invoke "herd" "disable" "ganeti-wconfd")
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|                 (invoke "herd" "force-start" "ganeti-wconfd"))
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|              marionette))
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| 
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|           ;; Verify that the cluster is healthy.
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|           (test-eq "gnt-cluster verify 1"
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|             0
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|             (marionette-eval
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|              '(begin
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|                 (system* #$(file-append ganeti "/sbin/gnt-cluster") "verify"))
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|              marionette))
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| 
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|           ;; Try stopping and starting daemons with daemon-util like
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|           ;; 'gnt-node add', 'gnt-cluster init', etc.
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|           (test-eq "daemon-util stop-all"
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|             0
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|             (marionette-eval
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|              '(begin
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|                 (system* #$(file-append ganeti "/lib/ganeti/daemon-util")
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|                          "stop-all"))
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|              marionette))
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| 
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|           (test-eq "daemon-util start-all"
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|             0
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|             (marionette-eval
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|              '(begin
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|                 (system* #$(file-append ganeti "/lib/ganeti/daemon-util")
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|                          "start-all"))
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|              marionette))
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| 
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|           ;; Check that the cluster is still healthy after the daemon restarts.
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|           (test-eq "gnt-cluster verify 2"
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|             0
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|             (marionette-eval
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|              '(begin
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|                 (system* #$(file-append ganeti "/sbin/gnt-cluster") "verify"))
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|              marionette))
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| 
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|           (test-eq "watcher continue"
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|             0
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|             (marionette-eval
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|              '(begin
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|                 (system* #$(file-append ganeti "/sbin/gnt-cluster")
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|                          "watcher" "continue"))
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|              marionette))
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| 
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|           ;; Try accessing the RAPI.
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|           (test-equal "http-get RAPI version"
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|             '(200 "2\n")
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|             (let-values
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|                 (((response text)
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|                   (http-get #$(simple-format
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|                                #f "http://localhost:~A/version"
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|                                %forwarded-rapi-port)
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|                             #:decode-body? #f)))
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|               (list (response-code response)
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|                     ;; The API response lacks a content-type, so
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|                     ;; (http-client) won't decode it for us.
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|                     (bytevector->string text "UTF-8"))))
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| 
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|           (test-equal "gnt-os list"
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|             "debootstrap+default\nguix+default\n"
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|             (marionette-eval
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|              '(begin
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|                 (use-modules (ice-9 popen))
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|                 (let* ((port (open-pipe*
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|                               OPEN_READ
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|                               #$(file-append ganeti "/sbin/gnt-os")
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|                               "list" "--no-headers"))
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|                        (output (get-string-all port)))
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|                   (close-pipe port)
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|                   output))
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|              marionette))
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| 
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|           (test-eq "gnt-cluster destroy"
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|             0
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|             (marionette-eval
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|              '(begin
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|                 (system* #$(file-append ganeti "/sbin/gnt-cluster")
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|                          "destroy" "--yes-do-it"))
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|              marionette))
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| 
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|           (test-end))))
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| 
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|   (gexp->derivation (string-append "ganeti-" hypervisor "-test") test))
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| 
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| (define %test-ganeti-kvm
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|   (system-test
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|    (name "ganeti-kvm")
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|    (description "Provision a Ganeti cluster using the KVM hypervisor.")
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|    (value (run-ganeti-test "kvm"
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|                            ;; Set kernel_path to an empty string to prevent
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|                            ;; 'gnt-cluster verify' from testing for its presence.
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|                            #:hvparams '("kernel_path=")
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|                            #:extra-packages (list qemu)))))
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| 
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| (define %test-ganeti-lxc
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|   (system-test
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|    (name "ganeti-lxc")
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|    (description "Provision a Ganeti cluster using LXC as the hypervisor.")
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|    (value (run-ganeti-test "lxc"
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|                            #:extra-packages (list lxc)))))
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