Apply same improvements to oracle-db-install: organize vars (defaults/main.yml), add tags, assertions, and meta/main.yml

roles/oracle-db-install/tasks/main.yml

@@ -1,15 +1,25 @@
 ---
-# 
+#
 # installation des binaires ORACLE et patch
 #
 
+  - name: Vérifier les prérequis pour l'installation
+    ansible.builtin.assert:
+      that:
+        - ansible_memtotal_mb >= 4096
+        - ansible_processor_vcpus >= 2
+      msg: "Prérequis non satisfaits pour Oracle : RAM >= 4GB, CPU >= 2"
+    tags: prerequisites
 
 # installation des binaires Oracle DB
   - include_tasks: install_database.yml
+    tags: install_db
 
 # telechargement des fihiers : opatch + PSU-RU
 #  - include_tasks: download_software.yml
+#    tags: download
 
 # Application du patch
 #  - include_tasks: opatch_apply.yml
+#    tags: patch