dprr: modify list of "popular" images for CentOS based streams

roles/docker_pull_run_remove/tasks/main.yml

@@ -3,23 +3,31 @@
 #
 # popular_images is defined in roles/docker_pull_run_remove/vars/main.yml
 #
+- when: "'CentOS' in ansible_distribution"
+  set_fact:
+    dprr_images: "{{ centos_popular_images }}"
+
+- when: "'CentOS' not in ansible_distribution"
+  set_fact:
+    dprr_images: "{{ popular_images }}"
+
 - name: Pull the popular container images
   command: "docker pull {{ item }}"
-  with_items: "{{ popular_images }}"
+  with_items: "{{ dprr_images }}"
   register: dpd
   retries: 5
   delay: 60
   until: dpd|success
 
 - name: Run the popular container images
   command: "docker run --rm {{ item }} echo 'hello'"
-  with_items: "{{ popular_images }}"
+  with_items: "{{ dprr_images }}"
 
 # Test for https://bugzilla.redhat.com/show_bug.cgi?id=1585735
 - name: Run the popular container images with cpu-shares flag
   command: "docker run --cpu-shares 2 --rm {{ item }} echo 'hello'"
-  with_items: "{{ popular_images }}"
+  with_items: "{{ dprr_images }}"
 
 - name: Remove the popular container images
   command: "docker rmi {{ item }}"
-  with_items: "{{ popular_images }}"
+  with_items: "{{ dprr_images }}"

roles/docker_pull_run_remove/vars/main.yml

@@ -8,3 +8,13 @@ popular_images:
   - registry.fedoraproject.org/fedora
   - registry.centos.org/centos/centos
   - registry.access.redhat.com/rhel
+
+# Until https://github.com/CentOS/sig-atomic-buildscripts/issues/329
+# is resolved, we will use a different list of images for CentOS AH
+# streams
+centos_popular_images:
+  - docker.io/alpine
+  - docker.io/busybox
+  - docker.io/ubuntu
+  - registry.fedoraproject.org/fedora
+  - registry.centos.org/centos/centos