Merge "baremetal: use docker_yum_gpgkey to fetch docker GPG key"

ansible/roles/baremetal/tasks/pre-install.yml

@@ -144,7 +144,7 @@
         - name: Install docker rpm gpg key
           rpm_key:
             state: present
-            key: "{{ docker_yum_url }}/gpg"
+            key: "{{ docker_yum_gpgkey }}"
           become: True
           when: docker_yum_gpgcheck | bool
       when: ansible_facts.os_family == 'RedHat'

releasenotes/notes/bug-1934913-a8d436e3d0b950b4.yaml

+---
+fixes:
+  - |
+    Fixes an issue seen when customising the Docker Yum repository URL on
+    CentOS, where the ``docker_yum_gpgkey`` variable is not used consistently.
+    `LP#1934913 <https://bugs.launchpad.net/kolla-ansible/+bug/1934913>`__