Add base role and playbook, molecule configuration

roles/keycloak/tasks/fastpackages/check.yml

@@ -0,0 +1,14 @@
+---
+- block:
+  - name: "Check if package {{ package_name }} is already installed"
+    command: rpm -q {{ package_name }}
+    args:
+      warn: no
+    register: rpm_info
+    changed_when: rpm_info.failed
+
+  rescue:
+    - name: "If package {{ package_name }} is missing, add it to the yum install list."
+      set_fact:
+        packages_to_install: "{{ packages_to_install + [ package_name ] }}"
+      when: rpm_info.failed