Fully qualify seed container images

Seed hosts configured to use the Podman container
engine do not automatically resolve image short-names
to docker.io like seed hosts using the Docker
container engine.

Fully qualify seed container images so that Podman
does not fail to resolve them out of the box.

Author: m-bull

etc/kayobe/seed.yml

@@ -102,7 +102,7 @@ seed_pulp_container_enabled: true
 
 seed_pulp_container:
   pulp:
-    image: pulp/pulp
+    image: quay.io/pulp/pulp
     pre: "{{ kayobe_config_path }}/containers/pulp/pre.yml"
     post: "{{ kayobe_config_path }}/containers/pulp/post.yml"
     tag: "3.81.0"
@@ -127,7 +127,7 @@ seed_squid_container_enabled: false
 
 seed_squid_container:
   squid:
-    image: stackhpc/squid
+    image: docker.io/stackhpc/squid
     pre: "{{ kayobe_config_path }}/containers/squid_proxy/pre.yml"
     tag: "4.15"
     network_mode: host

releasenotes/notes/seed-container-image-locations-3b83bb42f6c50bab.yaml

@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    Ensure that seed hosts using Podman pull seed container
+    images using their fully-qualified name, rather than
+    their short-name.