Add a new role "ansible-managed"

ansible-managed/README.md

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+# ansible-managed
+
+Set some indications that the server is managed by Ansible and extra care yshould be given not no mess with it manually.
+
+## Tasks
+
+Everything is in the `tasks/main.yml` file.
+
+## Available variables
+
+* `project_repository` : project URL for the repository.

ansible-managed/defaults/main.yml

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+---
+project_repository: "/!\ No repository set, contact Evolix"

ansible-managed/tasks/main.yml

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+---
+- name: Set message of the day
+  template:
+    src: motd.j2
+    dest: /etc/motd
+    force: yes
+    backup: yes

ansible-managed/templates/motd.j2

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+
+SERVER MANAGED BY EVOLIX VIA ANSIBLE
+------------------------------------
+{{ project_repository | mandatory }}