gnu: services: Add php-fpm.

* gnu/services/web.scm (<php-fpm-configuration>,
  <php-fpm-process-manager-configuration>): New record types.
  (php-fpm-configuration?,
   php-fpm-process-manager-configuration?,
   php-fpm-service-type,
   nginx-php-location): New procedures.
* doc/guix.texi (Web-Services): Document php-fpm service.
* gnu/tests/web.scm: Add php-fpm system test.

Signed-off-by: Christopher Baines <mail@cbaines.net>

1 files changed, 122 insertions, 1 deletions

diff --git a/gnu/tests/web.scm b/gnu/tests/web.scm
index de7ab3cd65..e975cb8300 100644
--- a/gnu/tests/web.scm
+++ b/gnu/tests/web.scm
@@ -1,5 +1,6 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2017 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2017 Christopher Baines <mail@cbaines.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -27,7 +28,8 @@
   #:use-module (gnu services networking)
   #:use-module (guix gexp)
   #:use-module (guix store)
-  #:export (%test-nginx))
+  #:export (%test-nginx
+            %test-php-fpm))
 
 (define %index.html-contents
   ;; Contents of the /index.html file served by nginx.
@@ -129,3 +131,122 @@ HTTP-PORT."
    (name "nginx")
    (description "Connect to a running NGINX server.")
    (value (run-nginx-test))))
+
+
+;;;
+;;; 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)))
+         (http-port 8042)
+         (https-port #f)
+         (ssl-certificate #f)
+         (ssl-certificate-key #f))))
+
+(define %php-fpm-os
+  ;; Operating system under test.
+  (simple-operating-system
+   (dhcp-client-service)
+   (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-eq "nginx running"
+            'running!
+            (marionette-eval
+             '(begin
+                (use-modules (gnu services herd))
+                (start-service 'nginx)
+                'running!)
+             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))))