fix molecule instance creation

Author: sjpb

.github/workflows/ci.yml

@@ -1,6 +1,6 @@
 ---
 name: CI
-on:
+'on':
   pull_request:
   push:
     branches:
@@ -56,7 +56,7 @@ jobs:
 
       - name: Install test dependencies.
         run: |
-          pip3 install -U ansible molecule-podman yamllint ansible-lint
+          pip3 install -U pip ansible>=2.9.0 molecule-plugins[podman] yamllint ansible-lint
           ansible-galaxy collection install containers.podman:>=1.10.1 # otherwise get https://github.com/containers/ansible-podman-collections/issues/428
 
       - name: Display ansible version

molecule/test1/molecule.yml

@@ -7,7 +7,7 @@ platforms:
     pre_build_image: true
     groups:
       - testohpc_login
-    command: /sbin/init
+    command: "{{ container_init_command }}"
     tmpfs:
       - /run
       - /tmp
@@ -19,7 +19,7 @@ platforms:
     pre_build_image: true
     groups:
       - testohpc_compute
-    command: /sbin/init
+    command: "{{ container_init_command }}"
     tmpfs:
       - /run
       - /tmp
@@ -31,7 +31,7 @@ platforms:
     pre_build_image: true
     groups:
       - testohpc_compute
-    command: /sbin/init
+    command: "{{ container_init_command }}"
     tmpfs:
       - /run
       - /tmp
@@ -40,5 +40,9 @@ platforms:
     network: net1
 provisioner:
   name: ansible
+  inventory:
+    group_vars:
+      all:
+        container_init_command: 'dnf -y install systemd && /sbin/init' # not in RL9 image
 verifier:
   name: ansible