265 lines
10 KiB
Scheme
265 lines
10 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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;;;
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;;; This file is part of GNU Guix.
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;;;
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;;; GNU Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; GNU Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (gnu 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 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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(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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(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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;; The hosts file must contain a nonlocal IP for host-name.
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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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(hosts-file (plain-file "hosts" (format #f "
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127.0.0.1 localhost
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::1 localhost
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10.0.2.15 gnt1.example.com gnt1
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192.168.254.254 ganeti.example.com
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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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(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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(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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(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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(define %forwarded-rapi-port 5080)
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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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(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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(define marionette
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(make-marionette (list #$vm)))
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(test-runner-current (system-test-runner #$output))
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(test-begin "ganeti")
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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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(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 '#$hvparams "\n"))
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;; Set the default NIC mode to 'routed' to avoid having to
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;; configure a full bridge to placate 'gnt-cluster verify'.
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"--nic-parameters=mode=routed,link=eth0"
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"ganeti.example.com"))
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marionette))
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;; Disable the watcher while doing daemon tests to prevent interference.
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(test-eq "watcher pause"
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0
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(marionette-eval
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'(begin
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(system* #$(file-append ganeti "/sbin/gnt-cluster")
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"watcher" "pause" "1h"))
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marionette))
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(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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;; 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* #$(file-append ganeti "/sbin/gnt-cluster") "verify"))
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marionette))
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;; Try stopping and starting daemons with daemon-util like
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;; 'gnt-node add', 'gnt-cluster init', etc.
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(test-eq "daemon-util stop-all"
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0
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(marionette-eval
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'(begin
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(system* #$(file-append ganeti "/lib/ganeti/daemon-util")
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"stop-all"))
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marionette))
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(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* #$(file-append ganeti "/lib/ganeti/daemon-util")
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"start-all"))
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marionette))
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;; Check that the cluster is still healthy after the daemon restarts.
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(test-eq "gnt-cluster verify 2"
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0
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(marionette-eval
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'(begin
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(system* #$(file-append ganeti "/sbin/gnt-cluster") "verify"))
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marionette))
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(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* #$(file-append ganeti "/sbin/gnt-cluster")
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"watcher" "continue"))
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marionette))
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;; Try accessing the RAPI.
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(test-equal "http-get RAPI version"
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'(200 "2\n")
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(let-values
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(((response text)
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(http-get #$(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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(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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#$(file-append ganeti "/sbin/gnt-os")
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"list" "--no-headers"))
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(output (get-string-all port)))
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(close-pipe port)
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output))
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marionette))
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(test-eq "gnt-cluster destroy"
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0
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(marionette-eval
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'(begin
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(system* #$(file-append ganeti "/sbin/gnt-cluster")
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"destroy" "--yes-do-it"))
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marionette))
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(test-end))))
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(gexp->derivation (string-append "ganeti-" hypervisor "-test") test))
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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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(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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