Use versioned Erlang 27 repo on aarch64

Fedora COPR build system cannot handle storing multiple package
versions in one repo.

Change-Id: I3ff95aa75f1f1cccfa40f3ab7f216cb221a6af29
Signed-off-by: Bartosz Bezak <bartosz@stackhpc.com>

doc/source/contributor/versions.rst

@@ -47,7 +47,7 @@ information about package sources.
 .. _`Team RabbitMQ 'Cloudsmith' repo (Deb)`: https://www.rabbitmq.com/install-debian.html#apt-cloudsmith
 .. _`Team RabbitMQ 'Modern Erlang' PPA`: https://launchpad.net/~rabbitmq/+archive/ubuntu/rabbitmq-erlang
 .. _`Team RabbitMQ 'Cloudsmith' repo (RPM)`: https://www.rabbitmq.com/docs/install-rpm#cloudsmith
-.. _`openstack-kolla COPR`: https://copr.fedorainfracloud.org/coprs/g/openstack-kolla/rabbitmq-erlang/
+.. _`openstack-kolla COPR`: https://copr.fedorainfracloud.org/coprs/g/openstack-kolla/rabbitmq-erlang-27/
 
 .. _`Grafana install guide`: https://grafana.com/grafana/download?platform=linux&edition=oss
 .. _`MariaDB Community downloads`: https://mariadb.com/downloads/community/

docker/base/copr-rabbitmq-erlang.repo

@@ -4,8 +4,8 @@
 
 [copr-rabbitmq-erlang]
 name=openstack-kolla COPR with Erlang build for RabbitMQ
-baseurl=https://download.copr.fedorainfracloud.org/results/@openstack-kolla/rabbitmq-erlang/rhel-$releasever-aarch64/
+baseurl=https://download.copr.fedorainfracloud.org/results/@openstack-kolla/rabbitmq-erlang-27/rhel-$releasever-aarch64/
 gpgcheck=1
 enabled=0
-gpgkey=https://download.copr.fedorainfracloud.org/results/@openstack-kolla/rabbitmq-erlang/pubkey.gpg
+gpgkey=https://download.copr.fedorainfracloud.org/results/@openstack-kolla/rabbitmq-erlang-27/pubkey.gpg
 repo_gpgcheck=0

releasenotes/notes/erlang-aarch64-repo-change-7fbc8696990b5677.yaml

@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    Switches Erlang RPMs on aarch64 to a versioned Erlang 27 repository,
+    due to Fedora COPR not supporting multiple package versions in one repo.