add official support for CentOS8 (#114)

[minor] release

meta/main.yml

@@ -17,6 +17,7 @@ galaxy_info:
     - name: EL
       versions:
         - 7
+        - 8
     - name: Fedora
       versions:
         - 30

molecule/alternative/molecule.yml

@@ -36,6 +36,14 @@ platforms:
     privileged: true
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
+  - name: centos8
+    image: paulfantom/centos-molecule:8
+    docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
+    privileged: true
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup:ro
+    groups:
+      - python3
   - name: fedora
     image: paulfantom/fedora-molecule:30
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"

molecule/default/molecule.yml

@@ -36,6 +36,14 @@ platforms:
     privileged: true
     volumes:
       - /sys/fs/cgroup:/sys/fs/cgroup:ro
+  - name: centos8
+    image: paulfantom/centos-molecule:8
+    docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"
+    privileged: true
+    volumes:
+      - /sys/fs/cgroup:/sys/fs/cgroup:ro
+    groups:
+      - python3
   - name: fedora
     image: paulfantom/fedora-molecule:30
     docker_host: "${DOCKER_HOST:-unix://var/run/docker.sock}"

tasks/main.yml

@@ -4,7 +4,7 @@
   with_first_found:
     - "{{ ansible_distribution | lower }}-{{ ansible_distribution_version | lower }}.yml"
     - "{{ ansible_distribution | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
-    - "{{ ansible_distribution_file_variety | lower }}.yml"
+    - "{{ ansible_distribution_file_variety | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
     - "{{ ansible_os_family | lower }}-{{ ansible_distribution_major_version | lower }}.yml"
     - "{{ ansible_distribution | lower }}.yml"
     - "{{ ansible_os_family | lower }}-{{ ansible_distribution_version.split('.')[0] }}.yml"