services: Add whoogle-service-type.

* gnu/services/web.scm (whoogle-service-type): New variable.
* doc/guix.texi (Web Services): Document it.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

doc/guix.texi

@@ -31863,6 +31863,38 @@ Additional arguments to pass to the @command{varnishd} process.
 @end table
 @end deftp
 
+@subheading Whoogle Search
+@cindex Whoogle Search
+@uref{https://github.com/benbusby/whoogle-search, Whoogle Search} is a
+self-hosted, ad-free, privacy-respecting metasearch engine that collects
+and displays Google search results.
+
+@defvar whoogle-service-type
+Service type for Whoogle Search.
+@end defvar
+
+@deftp {Data Type} whoogle-configuration
+Data type representing Whoogle Search service configuration.
+
+@table @asis
+@item @code{package} (default: @code{whoogle-search})
+The Whoogle Search package to use.
+
+@item @code{host} (default: @code{"127.0.0.1"})
+The host address to run Whoogle on.
+
+@item @code{port} (default: @code{5000})
+The port where Whoogle will be exposed.
+
+@item @code{environment-variables} (default: @code{'()})
+A list of strings with the environment variables to configure Whoogle.
+You can consult
+@uref{https://github.com/benbusby/whoogle-search/blob/main/whoogle.template.env,
+its environment variables template} for the list of available options.
+
+@end table
+@end deftp
+
 @subsubheading Patchwork
 @cindex Patchwork
 Patchwork is a patch tracking system.  It can collect patches sent to a

gnu/services/web.scm

@@ -16,6 +16,7 @@
 ;;; Copyright © 2020, 2021 Alexandru-Sergiu Marton <brown121407@posteo.ro>
 ;;; Copyright © 2022 Simen Endsjø <simendsjo@gmail.com>
 ;;; Copyright © 2023 Bruno Victal <mirai@makinata.eu>
+;;; Copyright © 2023 Miguel Ángel Moreno <mail@migalmoreno.com>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -36,6 +37,7 @@
   #:use-module (gnu services)
   #:use-module (gnu services shepherd)
   #:use-module (gnu services admin)
+  #:use-module (gnu services configuration)
   #:use-module (gnu services getmail)
   #:use-module (gnu services mail)
   #:use-module (gnu system pam)
@@ -47,6 +49,7 @@
   #:use-module (gnu packages patchutils)
   #:use-module (gnu packages php)
   #:use-module (gnu packages python)
+  #:use-module (gnu packages python-web)
   #:use-module (gnu packages gnupg)
   #:use-module (gnu packages guile)
   #:use-module (gnu packages logging)
@@ -240,6 +243,13 @@
 
             varnish-service-type
 
+            whoogle-service-type
+            whoogle-configuration
+            whoogle-configuration-package
+            whoogle-configuration-host
+            whoogle-configuration-port
+            whoogle-configuration-environment-variables
+
             patchwork-database-configuration
             patchwork-database-configuration?
             patchwork-database-configuration-engine
@@ -1603,6 +1613,52 @@ files.")
    (default-value
      (varnish-configuration))))
 
+
+;;;
+;;; Whoogle
+;;;
+
+(define-configuration/no-serialization whoogle-configuration
+  (package
+    (package whoogle-search)
+    "The @code{whoogle-search} package to use.")
+  (host
+   (string "127.0.0.1")
+   "The host address to run Whoogle on.")
+  (port
+   (integer 5000)
+   "The port to run Whoogle on.")
+  (environment-variables
+   (list-of-strings '())
+   "A list of strings specifying environment variables used to configure
+Whoogle."))
+
+(define (whoogle-shepherd-service config)
+  (match-record config <whoogle-configuration>
+    (package host port environment-variables)
+    (list
+     (shepherd-service
+      (provision '(whoogle-search))
+      (start #~(make-forkexec-constructor
+                (list (string-append #$package "/bin/whoogle-search")
+                      "--host" #$host "--port" #$(number->string port))
+                #:environment-variables
+                (append (list "CONFIG_VOLUME=/var/cache/whoogle-search")
+                        '#$environment-variables)))
+      (stop #~(make-kill-destructor))
+      (documentation "Run a @code{whoogle-search} instance.")))))
+
+(define whoogle-service-type
+  (service-type
+   (name 'whoogle-search)
+   (extensions
+    (list (service-extension shepherd-root-service-type
+                             whoogle-shepherd-service)
+          (service-extension profile-service-type
+                             (compose list whoogle-configuration-package))))
+   (default-value (whoogle-configuration))
+   (description "Set up the @code{whoogle-search} metasearch engine.")))
+
 
 ;;;
 ;;; Patchwork