guix/gnu/tests/web.scm

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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2017 Christopher Baines <mail@cbaines.net>
;;; Copyright © 2017, 2018 Clément Lassieur <clement@lassieur.org>
;;; Copyright © 2018 Pierre-Antoine Rouby <pierre-antoine.rouby@inria.fr>
;;; Copyright © 2018 Marius Bakke <mbakke@fastmail.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 web)
#:use-module (gnu tests)
#:use-module (gnu system)
#:use-module (gnu system file-systems)
#:use-module (gnu system shadow)
#:use-module (gnu system vm)
#:use-module (gnu services)
#:use-module (gnu services web)
#:use-module (gnu services networking)
#:use-module (guix gexp)
#:use-module (guix store)
#:export (%test-httpd
%test-nginx
%test-varnish
%test-php-fpm
%test-hpcguix-web
%test-tailon))
(define %index.html-contents
;; Contents of the /index.html file.
"Hello, guix!")
(define %make-http-root
;; Create our server root in /srv.
#~(begin
(mkdir "/srv")
(mkdir "/srv/http")
(call-with-output-file "/srv/http/index.html"
(lambda (port)
(display #$%index.html-contents port)))))
(define* (run-webserver-test name test-os #:key (log-file #f) (http-port 8080))
"Run tests in %NGINX-OS, which has nginx running and listening on
HTTP-PORT."
(define os
(marionette-operating-system
test-os
#:imported-modules '((gnu services herd)
(guix combinators))))
(define forwarded-port 8080)
(define vm
(virtual-machine
(operating-system os)
(port-forwardings `((,http-port . ,forwarded-port)))))
(define test
(with-imported-modules '((gnu build marionette))
#~(begin
(use-modules (srfi srfi-11) (srfi srfi-64)
(gnu build marionette)
(web uri)
(web client)
(web response))
(define marionette
(make-marionette (list #$vm)))
(mkdir #$output)
(chdir #$output)
(test-begin #$name)
(test-assert #$(string-append name " service running")
(marionette-eval
'(begin
(use-modules (gnu services herd))
(match (start-service '#$(string->symbol name))
(#f #f)
(('service response-parts ...)
(match (assq-ref response-parts 'running)
((#t) #t)
((pid) (number? pid))))))
marionette))
;; Retrieve the index.html file we put in /srv.
(test-equal "http-get"
'(200 #$%index.html-contents)
(let-values
(((response text)
(http-get #$(simple-format
#f "http://localhost:~A/index.html" forwarded-port)
#:decode-body? #t)))
(list (response-code response) text)))
#$@(if log-file
`((test-assert ,(string-append "log file exists " log-file)
(marionette-eval
'(file-exists? ,log-file)
marionette)))
'())
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
(gexp->derivation (string-append name "-test") test))
;;;
;;; HTTPD
;;;
(define %httpd-os
(simple-operating-system
(service dhcp-client-service-type)
(service httpd-service-type
(httpd-configuration
(config
(httpd-config-file
(listen '("8080"))))))
(simple-service 'make-http-root activation-service-type
%make-http-root)))
(define %test-httpd
(system-test
(name "httpd")
(description "Connect to a running HTTPD server.")
(value (run-webserver-test name %httpd-os
#:log-file "/var/log/httpd/error_log"))))
;;;
;;; NGINX
;;;
(define %nginx-servers
;; Server blocks.
(list (nginx-server-configuration
(listen '("8080")))))
(define %nginx-os
;; Operating system under test.
(simple-operating-system
(service dhcp-client-service-type)
(service nginx-service-type
(nginx-configuration
(log-directory "/var/log/nginx")
(server-blocks %nginx-servers)))
(simple-service 'make-http-root activation-service-type
%make-http-root)))
(define %test-nginx
(system-test
(name "nginx")
(description "Connect to a running NGINX server.")
(value (run-webserver-test name %nginx-os
#:log-file "/var/log/nginx/access.log"))))
;;;
;;; Varnish
;;;
(define %varnish-vcl
(mixed-text-file
"varnish-test.vcl"
"vcl 4.0;
backend dummy { .host = \"127.1.1.1\"; }
sub vcl_recv { return(synth(200, \"OK\")); }
sub vcl_synth {
synthetic(\"" %index.html-contents "\");
set resp.http.Content-Type = \"text/plain\";
return(deliver);
}"))
(define %varnish-os
(simple-operating-system
(service dhcp-client-service-type)
;; Pretend to be a web server that serves %index.html-contents.
(service varnish-service-type
(varnish-configuration
(name "/tmp/server")
;; Use a small VSL buffer to fit in the test VM.
(parameters '(("vsl_space" . "4M")))
(vcl %varnish-vcl)))
;; Proxy the "server" using the builtin configuration.
(service varnish-service-type
(varnish-configuration
(parameters '(("vsl_space" . "4M")))
(backend "localhost:80")
(listen '(":8080"))))))
(define %test-varnish
(system-test
(name "varnish")
(description "Test the Varnish Cache server.")
(value (run-webserver-test "varnish-default" %varnish-os))))
;;;
;;; PHP-FPM
;;;
(define %make-php-fpm-http-root
;; Create our server root in /srv.
#~(begin
(mkdir "/srv")
(call-with-output-file "/srv/index.php"
(lambda (port)
(display "<?php
phpinfo();
echo(\"Computed by php:\".((string)(2+3)));
?>\n" port)))))
(define %php-fpm-nginx-server-blocks
(list (nginx-server-configuration
(root "/srv")
(locations
(list (nginx-php-location)))
(listen '("8042"))
(ssl-certificate #f)
(ssl-certificate-key #f))))
(define %php-fpm-os
;; Operating system under test.
(simple-operating-system
(service dhcp-client-service-type)
(service php-fpm-service-type)
(service nginx-service-type
(nginx-configuration
(server-blocks %php-fpm-nginx-server-blocks)))
(simple-service 'make-http-root activation-service-type
%make-php-fpm-http-root)))
(define* (run-php-fpm-test #:optional (http-port 8042))
"Run tests in %PHP-FPM-OS, which has nginx running and listening on
HTTP-PORT, along with php-fpm."
(define os
(marionette-operating-system
%php-fpm-os
#:imported-modules '((gnu services herd)
(guix combinators))))
(define vm
(virtual-machine
(operating-system os)
(port-forwardings `((8080 . ,http-port)))))
(define test
(with-imported-modules '((gnu build marionette)
(guix build utils))
#~(begin
(use-modules (srfi srfi-11) (srfi srfi-64)
(gnu build marionette)
(web uri)
(web client)
(web response))
(define marionette
(make-marionette (list #$vm)))
(mkdir #$output)
(chdir #$output)
(test-begin "php-fpm")
(test-assert "php-fpm running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(match (start-service 'php-fpm)
(#f #f)
(('service response-parts ...)
(match (assq-ref response-parts 'running)
((pid) (number? pid))))))
marionette))
(test-assert "nginx running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(start-service 'nginx))
marionette))
(test-equal "http-get"
200
(let-values (((response text)
(http-get "http://localhost:8080/index.php"
#:decode-body? #t)))
(response-code response)))
(test-equal "php computed result is sent"
"Computed by php:5"
(let-values (((response text)
(http-get "http://localhost:8080/index.php"
#:decode-body? #t)))
(begin
(use-modules (ice-9 regex))
(let ((matches (string-match "Computed by php:5" text)))
(and matches
(match:substring matches 0))))))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
(gexp->derivation "php-fpm-test" test))
(define %test-php-fpm
(system-test
(name "php-fpm")
(description "Test PHP-FPM through nginx.")
(value (run-php-fpm-test))))
;;;
;;; hpcguix-web
;;;
(define* (run-hpcguix-web-server-test name test-os)
"Run tests in %HPCGUIX-WEB-OS, which has hpcguix-web running."
(define os
(marionette-operating-system
test-os
#:imported-modules '((gnu services herd)
(guix combinators))))
(define vm
(virtual-machine
(operating-system os)
(port-forwardings '((8080 . 5000)))))
(define test
(with-imported-modules '((gnu build marionette))
#~(begin
(use-modules (srfi srfi-11) (srfi srfi-64)
(gnu build marionette)
(web uri)
(web client)
(web response))
(define marionette
(make-marionette (list #$vm)))
(mkdir #$output)
(chdir #$output)
(test-begin #$name)
(test-assert "hpcguix-web running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(match (start-service 'hpcguix-web)
(#f #f)
(('service response-parts ...)
(match (assq-ref response-parts 'running)
((pid) (number? pid))))))
marionette))
(test-equal "http-get"
200
(begin
(wait-for-tcp-port 5000 marionette)
(let-values (((response text)
(http-get "http://localhost:8080")))
(response-code response))))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
(gexp->derivation (string-append name "-test") test))
(define %hpcguix-web-specs
;; Server config gexp.
#~(define site-config
(hpcweb-configuration
(title-prefix "[TEST] HPCGUIX-WEB"))))
(define %hpcguix-web-os
(simple-operating-system
(service dhcp-client-service-type)
(service hpcguix-web-service-type
(hpcguix-web-configuration
(specs %hpcguix-web-specs)))))
(define %test-hpcguix-web
(system-test
(name "hpcguix-web")
(description "Connect to a running hpcguix-web server.")
(value (run-hpcguix-web-server-test name %hpcguix-web-os))))
(define %tailon-os
;; Operating system under test.
(simple-operating-system
(service dhcp-client-service-type)
(service tailon-service-type
(tailon-configuration
(config-file
(tailon-configuration-file
(bind "0.0.0.0:8080")))))))
(define* (run-tailon-test #:optional (http-port 8081))
"Run tests in %TAILON-OS, which has tailon running and listening on
HTTP-PORT."
(define os
(marionette-operating-system
%tailon-os
#:imported-modules '((gnu services herd)
(guix combinators))))
(define vm
(virtual-machine
(operating-system os)
(port-forwardings `((,http-port . 8080)))))
(define test
(with-imported-modules '((gnu build marionette))
#~(begin
(use-modules (srfi srfi-11) (srfi srfi-64)
(ice-9 match)
(gnu build marionette)
(web uri)
(web client)
(web response))
(define marionette
;; Forward the guest's HTTP-PORT, where tailon is listening, to
;; port 8080 in the host.
(make-marionette (list #$vm)))
(mkdir #$output)
(chdir #$output)
(test-begin "tailon")
(test-assert "service running"
(marionette-eval
'(begin
(use-modules (gnu services herd))
(start-service 'tailon))
marionette))
(define* (retry-on-error f #:key times delay)
(let loop ((attempt 1))
(match (catch
#t
(lambda ()
(cons #t
(f)))
(lambda args
(cons #f
args)))
((#t . return-value)
return-value)
((#f . error-args)
(if (>= attempt times)
error-args
(begin
(sleep delay)
(loop (+ 1 attempt))))))))
(test-equal "http-get"
200
(retry-on-error
(lambda ()
(let-values (((response text)
(http-get #$(format
#f
"http://localhost:~A/"
http-port)
#:decode-body? #t)))
(response-code response)))
#:times 10
#:delay 5))
(test-end)
(exit (= (test-runner-fail-count (test-runner-current)) 0)))))
(gexp->derivation "tailon-test" test))
(define %test-tailon
(system-test
(name "tailon")
(description "Connect to a running Tailon server.")
(value (run-tailon-test))))