services: rabbitmq: Depend on epmd.

* gnu/services/high-availability.scm (rabbitmq-shepherd-service):
  Change requirement to epmd service.
* doc/gnu.texi (High Availability Services): Document it.
* gnu/tests/high-availability.scm (%rabbitmq-os): Add epmd service.

Merges: https://codeberg.org/guix/guix/pulls/9607
Signed-off-by: Nguyễn Gia Phong <cnx@loang.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/gnu/services/high-availability.scm b/gnu/services/high-availability.scm
index 8b928e76168..ed7bbfbc7d8 100644
--- a/gnu/services/high-availability.scm
+++ b/gnu/services/high-availability.scm
@@ -185,7 +185,7 @@ distribution.listener.interface = 127.0.0.1
         (shepherd-service
           (provision '(rabbitmq))
           (documentation "Run the RabbitMQ daemon.")
-          (requirement '(user-processes loopback))
+          (requirement '(epmd))
           (modules '((gnu build shepherd)))
           (start
            #~(make-forkexec-constructor