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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2018 Gábor Boskovits <boskovits@gmail.com>
;;; Copyright © 2018, 2019 Oleg Pykhalov <go.wigust@gmail.com>
;;;
;;; 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 monitoring)
#:use-module (gnu packages databases)
#:use-module (gnu packages monitoring)
#:use-module (gnu packages php)
#:use-module (gnu services)
#:use-module (gnu services monitoring)
#:use-module (gnu services networking)
#:use-module (gnu services databases)
#:use-module (gnu services shepherd)
#:use-module (gnu services web)
#:use-module (gnu system vm)
#:use-module (gnu system)
#:use-module (gnu tests)
#:use-module (guix gexp)
#:export (%test-prometheus-node-exporter
%test-zabbix))
;;;
;;; Prometheus Node Exporter
;;;
(define* (run-prometheus-node-exporter-server-test name test-os)
"Run tests in %PROMETHEUS-NODE-EXPORTER-OS, which has prometheus-node-exporter running."
(define os
(marionette-operating-system
test-os
#:imported-modules '((gnu services herd))))
(define vm
(virtual-machine
(operating-system os)
(port-forwardings '((8080 . 9100)))))
(define test
(with-imported-modules '((gnu build marionette))
#~(begin
(use-modules (srfi srfi-11)
(srfi srfi-64)
(gnu build marionette)
(web client)
(web response))
(define marionette
(make-marionette (list #$vm)))
(mkdir #$output)
(chdir #$output)
(test-begin #$name)
(test-assert "prometheus-node-exporter running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(match (start-service 'prometheus-node-exporter)
(#f #f)
(('service response-parts ...)
(match (assq-ref response-parts 'running)
((pid) (number? pid))))))
marionette))
(test-equal "http-get"
200
(begin
(wait-for-tcp-port 9100 marionette)
(let-values (((response text)
(http-get "http://localhost:8080")))
(response-code response))))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
(gexp->derivation (string-append name "-test") test))
(define %prometheus-node-exporter-os
(simple-operating-system
(service dhcp-client-service-type)
(service prometheus-node-exporter-service-type
(prometheus-node-exporter-configuration))))
(define %test-prometheus-node-exporter
(system-test
(name "prometheus-node-exporter")
(description "Connect to a running prometheus-node-exporter server.")
(value (run-prometheus-node-exporter-server-test
name %prometheus-node-exporter-os))))
;;;
;;; Zabbix
;;;
(define %psql-user-create-zabbix
"\
sudo -u postgres psql <<< \"create user zabbix password 'zabbix';\"
")
(define %psql-db-zabbix-create-script
"\
sudo -u postgres psql --no-align <<< \\\\du
")
(define %psql-db-create-zabbix
"\
sudo -u postgres createdb -O zabbix -E Unicode -T template0 zabbix
")
(define %psql-db-import-zabbix
#~(format #f "\
cat ~a | sudo -u zabbix psql zabbix;
cat ~a | sudo -u zabbix psql zabbix;
cat ~a | sudo -u zabbix psql zabbix;
"
(string-append #$zabbix-server:schema
"/database/postgresql/schema.sql")
(string-append #$zabbix-server:schema
"/database/postgresql/images.sql")
(string-append #$zabbix-server:schema
"/database/postgresql/data.sql")))
(define* (run-zabbix-server-test name test-os)
"Run tests in %ZABBIX-OS, which has zabbix running."
(define os
(marionette-operating-system
test-os
#:imported-modules '((gnu services herd))))
(define vm
(virtual-machine
(operating-system os)
(port-forwardings '((8080 . 80)))
(memory-size 1024)))
(define test
(with-imported-modules '((gnu build marionette))
#~(begin
(use-modules (srfi srfi-11)
(srfi srfi-64)
(gnu build marionette)
(web client)
(web response)
(ice-9 popen)
(ice-9 rdelim))
(define marionette
(make-marionette (list #$vm)))
(mkdir #$output)
(chdir #$output)
(test-begin #$name)
;; XXX: Shepherd reads the config file *before* binding its control
;; socket, so /var/run/shepherd/socket might not exist yet when the
;; 'marionette' service is started.
(test-assert "shepherd socket ready"
(marionette-eval
`(begin
(use-modules (gnu services herd))
(let loop ((i 10))
(cond ((file-exists? (%shepherd-socket-file))
#t)
((> i 0)
(sleep 1)
(loop (- i 1)))
(else
'failure))))
marionette))
(test-assert "postgres service running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(start-service 'postgres))
marionette))
;; Add /run/setuid-programs to $PATH so that the scripts passed to
;; 'system' can find 'sudo'.
(marionette-eval
'(setenv "PATH"
"/run/setuid-programs:/run/current-system/profile/bin")
marionette)
(test-eq "postgres create zabbix user"
0
(marionette-eval '(begin (system #$%psql-user-create-zabbix))
marionette))
(test-equal "postgres find zabbix user"
"List of roles
Role name|Attributes|Member of
postgres|Superuser, Create role, Create DB, Replication, Bypass RLS|{}
zabbix||{}
"
(marionette-eval
'(begin (let* ((port (open-pipe #$%psql-db-zabbix-create-script
OPEN_READ))
(output (read-string port))
(status (close-pipe port)))
output))
marionette))
(test-eq "postgres create zabbix db"
0
(marionette-eval '(begin (system #$%psql-db-create-zabbix))
marionette))
(test-eq "postgres import zabbix db"
0
(marionette-eval '(begin (system #$%psql-db-import-zabbix))
marionette))
;; Wait for zabbix-server to be up and running.
(test-assert "zabbix-server running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(start-service 'zabbix-server))
marionette))
;; Make sure the PID file is created.
(test-assert "zabbix-server PID file"
(marionette-eval
'(file-exists? "/var/run/zabbix/zabbix_server.pid")
marionette))
;; Wait for zabbix-agent to be up and running.
(test-assert "zabbix-agent running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(start-service 'zabbix-agent))
marionette))
;; Make sure the PID file is created.
(test-assert "zabbix-agent PID file"
(marionette-eval
'(file-exists? "/var/run/zabbix/zabbix_agent.pid")
marionette))
;; Wait for php-fpm to be up and running.
(test-assert "php-fpm running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(start-service 'php-fpm))
marionette))
;; Wait for nginx to be up and running.
(test-assert "nginx running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(start-service 'nginx))
marionette))
;; Make sure the PID file is created.
(test-assert "nginx PID file"
(marionette-eval
'(file-exists? "/var/run/nginx/pid")
marionette))
;; Make sure we can access pages that correspond to our Zabbix instance.
(letrec-syntax ((test-url
(syntax-rules ()
((_ path code)
(test-equal (string-append "GET " path)
code
(let-values (((response body)
(http-get (string-append
"http://localhost:8080"
path))))
(response-code response))))
((_ path)
(test-url path 200)))))
(test-url "/")
(test-url "/does-not-exist" 404))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
(gexp->derivation (string-append name "-test") test))
(define %zabbix-os
;; Return operating system under test.
(let ((base-os
(simple-operating-system
(service dhcp-client-service-type)
(postgresql-service)
(service zabbix-front-end-service-type
(zabbix-front-end-configuration
(db-password "zabbix")))
(service php-fpm-service-type
(php-fpm-configuration
(timezone "Europe/Paris")))
(service zabbix-server-service-type
(zabbix-server-configuration
(db-password "zabbix")
(log-type "console")))
(service zabbix-agent-service-type))))
(operating-system
(inherit base-os)
(packages (cons* postgresql (operating-system-packages base-os))))))
(define %test-zabbix
(system-test
(name "zabbix")
(description "Connect to a running Zabbix")
(value (run-zabbix-server-test name %zabbix-os))))