services: Add pam-mount-volume-service-type.

The `pam-mount-volumes-service-type' adds additional volumes to the
pam-mount-service-type in addition to any that are already specified in
`pam-mount-rules'.

* doc/guix.texi (PAM Mount Volume Service): add documentation for
`pam-mount-service-type'.
* gnu/services/pam-mount.scm: new file.
* Makefile.am: add pam-mount tests
* tests/services/pam-mount.scm: new tests

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

1 files changed, 83 insertions, 0 deletions

diff --git a/tests/services/pam-mount.scm b/tests/services/pam-mount.scm
new file mode 100644
index 0000000000..bfbd15967f
--- /dev/null
+++ b/tests/services/pam-mount.scm
@@ -0,0 +1,83 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2023 Brian Cully <bjc@spork.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 (tests services pam-mount)
+  #:use-module (gnu services pam-mount)
+  #:use-module (gnu system pam)
+  #:use-module (gnu services)
+  #:use-module (gnu services configuration)
+  #:use-module (guix derivations)
+  #:use-module (guix gexp)
+  #:use-module (guix grafts)
+  #:use-module (guix store)
+  #:use-module (guix tests)
+  #:use-module (ice-9 match)
+  #:use-module (srfi srfi-1)
+  #:use-module (srfi srfi-64))
+
+(define pam-mount-volume-fields (@@ (gnu services pam-mount)
+                                    pam-mount-volume-fields))
+(define field-name->tag (@@ (gnu services pam-mount)
+                            field-name->tag))
+
+(define pam-mount-volume->sxml (@@ (gnu services pam-mount)
+                                   pam-mount-volume->sxml))
+
+(test-begin "services-pam-mount")
+
+(test-group "field-name->tag"
+  (let ((field-map '((user-name user)
+                     (user-id uid)
+                     (primary-group pgrp)
+                     (group-id gid)
+                     (secondary-group sgrp)
+                     (file-system-type fstype)
+                     (no-mount-as-root? noroot)
+                     (server server)
+                     (file-name path)
+                     (mount-point mountpoint)
+                     (options options)
+                     (ssh? ssh)
+                     (cipher cipher)
+                     (file-system-key-cipher fskeycipher)
+                     (file-system-key-hash fskeyhash)
+                     (file-system-key-file-name fskeypath))))
+
+    (test-equal "all fields accounted for"
+      (map car field-map)
+      (map configuration-field-name pam-mount-volume-fields))
+
+    (for-each (match-lambda
+                ((field-name tag-name)
+                 (test-eq (format #f "~a -> ~a" field-name tag-name)
+                   (field-name->tag field-name) tag-name)))
+              field-map)))
+
+(let ((tmpfs-volume (pam-mount-volume
+                     (secondary-group "users")
+                     (file-system-type "tmpfs")
+                     (mount-point "/run/user/%(USERUID)")
+                     (options "someoptions"))))
+  (test-equal "tmpfs"
+    '(volume (@ (sgrp "users")
+                (fstype "tmpfs")
+                (mountpoint "/run/user/%(USERUID)")
+                (options "someoptions")))
+    (pam-mount-volume->sxml tmpfs-volume)))
+
+(test-end "services-pam-mount")