[bug#59845] [PATCH v2 3/4] gnu: Add PMB service.

[Yarl Baudig <yarl-baudig@mailoo.org>]

* gnu/services/ils.scm: New file.
* gnu/local.mk: Add it.
---
 gnu/local.mk         |   1 +
 gnu/services/ils.scm | 128 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 129 insertions(+)
 create mode 100644 gnu/services/ils.scm

diff --git a/gnu/local.mk b/gnu/local.mk
index ff0c86584a..16de11e31e 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -670,6 +670,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/services/getmail.scm				\
   %D%/services/guix.scm			\
   %D%/services/hurd.scm				\
+  %D%/services/ils.scm				\
   %D%/services/kerberos.scm			\
   %D%/services/lightdm.scm      		\
   %D%/services/linux.scm			\
diff --git a/gnu/services/ils.scm b/gnu/services/ils.scm
new file mode 100644
index 0000000000..5a704d368b
--- /dev/null
+++ b/gnu/services/ils.scm
@@ -0,0 +1,128 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2022 Yarl Baudig <yarl-baudig@mailoo.org>
+;;;
+;;; 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 services ils)
+  #:use-module (gnu services)
+  #:use-module (gnu services web)
+  #:use-module (gnu packages ils)
+  #:use-module (guix records)
+  #:use-module (guix utils)
+  #:use-module (guix gexp)
+  #:use-module (ice-9 match)
+  #:use-module (ice-9 format)
+  #:export (pmb-configuration
+	    pmb-service-type
+	    %default-nginx-pmb-location
+	    %default-pmb-php-fpm-configuration
+	    %default-pmb-mysql-configuration-extra-content))
+
+;;; Commentary
+;;;
+;;; Integrated Library Systems services.
+;;;
+;;; Code
+
+(define %default-nginx-pmb-location
+  (let ((base (nginx-php-location)))
+    (nginx-location-configuration
+     (inherit base)
+     (body (cons
+            "fastcgi_read_timeout 300;"
+            (nginx-location-configuration-body base))))))
+
+(define %default-pmb-php-fpm-configuration
+  "expose_php=off
+max_execution_time=300
+max_input_vars=50000
+memory_limit=256M
+post_max_size=64M
+upload_max_filesize=64M
+date.timezone=Europe/Paris")
+
+(define %default-pmb-mysql-configuration-extra-content
+  "[server]
+sql_mode=NO_AUTO_CREATE_USER
+collation_server=utf8_unicode_ci
+key_buffer_size=1000001536
+join_buffer_size=4000000")
+
+(define-record-type* <pmb-configuration>
+  pmb-configuration make-pmb-configuration
+  pmb-configuration?
+  (pmb pmb-configuration-pmb (default pmb))
+  (http-directory pmb-configuration-http-directory
+                  (default "/srv/http/pmb"))
+  (php-fpm-user pmb-configuration-php-fpm-user
+                (default "php-fpm"))
+  (php-fpm-group pmb-configuration-php-fpm-group
+		 (default "php-fpm")))
+
+(define (pmb-activation config)
+  (match-record
+      config
+      <pmb-configuration>
+    (pmb http-directory php-fpm-user php-fpm-group)
+    #~(begin
+        (use-modules (guix build utils))
+        (use-modules (ice-9 ftw))
+        (format #t "Copying pmb '~a' to http directory '~a'~%"
+                (string-append #$pmb "/share/http/pmb")
+                #$http-directory)
+        (mkdir-p #$http-directory)
+        ;; Please be quiet
+        (call-with-output-file "/dev/null"
+          (lambda (port)
+            (with-output-to-port port
+              (lambda ()
+                (copy-recursively (string-append #$pmb "/share/http/pmb")
+                                  #$http-directory)))))
+        (define (enter? name stat result)
+          #t)
+        (define (lchown obj)
+          (let ((user (getpwnam #$php-fpm-user))
+                (group (getgrnam #$php-fpm-group)))
+            (chown obj (passwd:uid user) (group:gid group))))
+        (define (leaf name stat result)
+          (lchown name)
+          result)
+        (define (down name stat result)
+          (lchown name)
+	  result)
+        (define (up name stat result) result)
+        (define (skip name stat result) result)
+        (define (error name stat errno result)
+          (warning (G_ "~a: ~a~%")
+                   name (strerror errno))
+          result)
+        (file-system-fold enter? leaf down up skip error '() #$http-directory)
+        ;; Those are to hide installation files on a re-activation
+        (if
+         (file-exists? (string-append #$http-directory "/tables/noinstall.php"))
+         (delete-file (string-append #$http-directory "/tables/install.php")))
+        (if
+         (file-exists? (string-append #$http-directory "/tables/noinstall_rep.php"))
+         (delete-file (string-append #$http-directory "/tables/install_rep.php"))))))
+
+(define pmb-service-type
+  (service-type
+   (name 'guix)
+   (extensions
+    (list (service-extension activation-service-type
+                             pmb-activation)))
+   (default-value (pmb-configuration))
+   (description "Install the pmb Integrated Library System")))
-- 
2.38.1