;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2020, 2021 Marius Bakke <marius@gnu.org> ;;; Copyright © 2020 Brice Waegeneire <brice@waegenei.re> ;;; ;;; This file is part of GNU Guix. ;;; ;;; GNU Guix is free software; you can redistribute it and/or modify it ;;; under the terms of the GNU General Public License as published by ;;; the Free Software Foundation; either version 3 of the License, or (at ;;; your option) any later version. ;;; ;;; GNU Guix is distributed in the hope that it will be useful, but ;;; WITHOUT ANY WARRANTY; without even the implied warranty of ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;;; GNU General Public License for more details. ;;; ;;; You should have received a copy of the GNU General Public License ;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>. (define-module (gnu tests ganeti) #:use-module (gnu) #:use-module (gnu tests) #:use-module (gnu system vm) #:use-module (gnu services) #:use-module (gnu services ganeti) #:use-module (gnu services networking) #:use-module (gnu services ssh) #:use-module (gnu packages virtualization) #:use-module (guix gexp) #:use-module (ice-9 format) #:export (%test-ganeti-kvm %test-ganeti-lxc)) (define %ganeti-os (operating-system (host-name "gnt1") (timezone "Etc/UTC") (locale "en_US.UTF-8") (bootloader (bootloader-configuration (bootloader grub-bootloader) (targets '("/dev/vda")))) (file-systems (cons (file-system (device (file-system-label "my-root")) (mount-point "/") (type "ext4")) %base-file-systems)) (firmware '()) ;; The hosts file must contain a nonlocal IP for host-name. ;; In addition, the cluster name must resolve to an IP address that ;; is not currently provisioned. (hosts-file (plain-file "hosts" (format #f " 127.0.0.1 localhost ::1 localhost 10.0.2.15 gnt1.example.com gnt1 192.168.254.254 ganeti.example.com "))) (packages (append (list ganeti-instance-debootstrap ganeti-instance-guix) %base-packages)) (services (append (list (service static-networking-service-type (list %qemu-static-networking)) (service openssh-service-type (openssh-configuration (permit-root-login 'prohibit-password))) (service ganeti-service-type (ganeti-configuration (file-storage-paths '("/srv/ganeti/file-storage")) (rapi-configuration (ganeti-rapi-configuration ;; Disable TLS so we can test the RAPI without ;; pulling in GnuTLS. (ssl? #f))) (os %default-ganeti-os)))) %base-services)))) (define* (run-ganeti-test hypervisor #:key (master-netdev "eth0") (hvparams '()) (extra-packages '()) (rapi-port 5080)) "Run tests in %GANETI-OS." (define os (marionette-operating-system (operating-system (inherit %ganeti-os) (packages (append extra-packages (operating-system-packages %ganeti-os)))) #:imported-modules '((gnu services herd) (guix combinators)))) (define %forwarded-rapi-port 5080) (define vm (virtual-machine (operating-system os) ;; Some of the daemons are fairly memory-hungry. (memory-size 512) ;; Forward HTTP ports so we can access them from the "outside". (port-forwardings `((,%forwarded-rapi-port . ,rapi-port))))) (define test (with-imported-modules '((gnu build marionette)) #~(begin (use-modules (srfi srfi-11) (srfi srfi-64) (web uri) (web client) (web response) (ice-9 iconv) (gnu build marionette)) (define marionette (make-marionette (list #$vm))) (test-runner-current (system-test-runner #$output)) (test-begin "ganeti") ;; Ganeti uses the Shepherd to start/stop daemons, so make sure ;; it is ready before we begin. It takes a while because all ;; Ganeti daemons fail to start initially. (test-assert "shepherd is ready" (wait-for-unix-socket "/var/run/shepherd/socket" marionette)) (test-eq "gnt-cluster init" 0 (marionette-eval '(begin (setenv "PATH" ;; Init needs to run 'ssh-keygen', 'ip', etc. "/run/current-system/profile/sbin:/run/current-system/profile/bin") (system* #$(file-append ganeti "/sbin/gnt-cluster") "init" (string-append "--master-netdev=" #$master-netdev) ;; TODO: Enable more disk backends. "--enabled-disk-templates=file" (string-append "--enabled-hypervisors=" #$hypervisor) (string-append "--hypervisor-parameters=" #$hypervisor ":" (string-join '#$hvparams "\n")) ;; Set the default NIC mode to 'routed' to avoid having to ;; configure a full bridge to placate 'gnt-cluster verify'. "--nic-parameters=mode=routed,link=eth0" "ganeti.example.com")) marionette)) ;; Disable the watcher while doing daemon tests to prevent interference. (test-eq "watcher pause" 0 (marionette-eval '(begin (system* #$(file-append ganeti "/sbin/gnt-cluster") "watcher" "pause" "1h")) marionette)) (test-assert "force-start wconfd" ;; Check that the 'force-start' Shepherd action works, used in a ;; master-failover scenario. (marionette-eval '(begin (setenv "PATH" "/run/current-system/profile/bin") (invoke "herd" "stop" "ganeti-wconfd") (invoke "herd" "disable" "ganeti-wconfd") (invoke "herd" "force-start" "ganeti-wconfd")) marionette)) ;; Verify that the cluster is healthy. (test-eq "gnt-cluster verify 1" 0 (marionette-eval '(begin (system* #$(file-append ganeti "/sbin/gnt-cluster") "verify")) marionette)) ;; Try stopping and starting daemons with daemon-util like ;; 'gnt-node add', 'gnt-cluster init', etc. (test-eq "daemon-util stop-all" 0 (marionette-eval '(begin (system* #$(file-append ganeti "/lib/ganeti/daemon-util") "stop-all")) marionette)) (test-eq "daemon-util start-all" 0 (marionette-eval '(begin (system* #$(file-append ganeti "/lib/ganeti/daemon-util") "start-all")) marionette)) ;; Check that the cluster is still healthy after the daemon restarts. (test-eq "gnt-cluster verify 2" 0 (marionette-eval '(begin (system* #$(file-append ganeti "/sbin/gnt-cluster") "verify")) marionette)) (test-eq "watcher continue" 0 (marionette-eval '(begin (system* #$(file-append ganeti "/sbin/gnt-cluster") "watcher" "continue")) marionette)) ;; Try accessing the RAPI. (test-equal "http-get RAPI version" '(200 "2\n") (let-values (((response text) (http-get #$(simple-format #f "http://localhost:~A/version" %forwarded-rapi-port) #:decode-body? #f))) (list (response-code response) ;; The API response lacks a content-type, so ;; (http-client) won't decode it for us. (bytevector->string text "UTF-8")))) (test-equal "gnt-os list" "debootstrap+default\nguix+default\n" (marionette-eval '(begin (use-modules (ice-9 popen)) (let* ((port (open-pipe* OPEN_READ #$(file-append ganeti "/sbin/gnt-os") "list" "--no-headers")) (output (get-string-all port))) (close-pipe port) output)) marionette)) (test-eq "gnt-cluster destroy" 0 (marionette-eval '(begin (system* #$(file-append ganeti "/sbin/gnt-cluster") "destroy" "--yes-do-it")) marionette)) (test-end)))) (gexp->derivation (string-append "ganeti-" hypervisor "-test") test)) (define %test-ganeti-kvm (system-test (name "ganeti-kvm") (description "Provision a Ganeti cluster using the KVM hypervisor.") (value (run-ganeti-test "kvm" ;; Set kernel_path to an empty string to prevent ;; 'gnt-cluster verify' from testing for its presence. #:hvparams '("kernel_path=") #:extra-packages (list qemu))))) (define %test-ganeti-lxc (system-test (name "ganeti-lxc") (description "Provision a Ganeti cluster using LXC as the hypervisor.") (value (run-ganeti-test "lxc" #:extra-packages (list lxc)))))