share/ansible: implement distribution selection

Distribution to run can be selected when running `ansible-playbook` by
appending `-e 'distribution=fedora'` to the command.

Signed-off-by: Iker Pedrosa <ipedrosa@redhat.com>

share/ansible/playbook.yml

@@ -1,9 +1,13 @@
 - name: Start build container
   hosts: localhost
+  vars:
+    image:
+      fedora: registry.fedoraproject.org/fedora:latest
+      alpine: docker.io/library/alpine:latest
+      debian: docker.io/library/debian:latest
+
   roles:
     - role: build_container
-      vars:
-        container_image: registry.fedoraproject.org/fedora:latest
 
 - name: CI run
   hosts: builder

share/ansible/roles/build_container/tasks/main.yml

@@ -2,13 +2,13 @@
 # tasks file for build_container
 - name: Pull container image
   containers.podman.podman_image:
-    name: '{{ container_image }}'
+    name: '{{ image[distribution] }}'
 
 - name: Create and start container
   containers.podman.podman_container:
     name: builder
     state: started
-    image: '{{ container_image }}'
+    image: '{{ image[distribution] }}'
     command: "sleep 1d"
 
 - name: Create repo

share/ansible/roles/ci_run/tasks/main.yml

@@ -1,8 +1,4 @@
 ---
 # tasks file for ci_run
 - name: 'Include distribution specific ci_run tasks fedora'
-  include_tasks: '{{ include_file }}'
-  loop_control:
-    loop_var: include_file
-  with_first_found:
-  - files: fedora.yml
+  include_tasks: '{{ distribution }}.yml'