Manage motd on both deb/ubuntu and centos installations.

motd/defaults/main.yml

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+---
+motd_setup: True
+
+motd_additional_text: "\nThis host runs services\n"
+
+deb_motd_packages:
+  - update-notifier-common
+  - landscape-common

motd/tasks/deb_motd.yml

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+---
+- block:
+  - name: Install the packages that manage the dynamic motd file on debian based distributions
+    apt: pkg={{ deb_motd_packages }} state=present update_cache=yes cache_valid_time=3600
+    register: motd_pkgs
+
+  - name: Install our motd template file on debian based distributions
+    template: src=motd.j2 dest=/etc/static-motd owner=root group=root mode=0644
+
+  - name: Install the dynamic merge script of the motd file on debian based distributions
+    template: src=update_motd.j2 dest=/etc/update-motd.d/05-motd-message owner=root group=root mode=0755
+
+  - name: Initialise the motd prompt on debian based distributions
+    command: run-parts --lsbsysinit /etc/update-motd.d > /run/motd.dynamic
+    when: motd_pkgs is changed
+  
+  tags: motd

motd/tasks/main.yml

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+---
+- import_tasks: deb_motd.yml
+  when: ansible_distribution_file_variety == "Debian"
+
+- import_tasks: rh_motd.yml
+  when: ansible_distribution_file_variety == "RedHat"

motd/tasks/rh_motd.yml

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+- block:
+  - name: Install our motd template file on RH/CentOS based distributions
+    template: src=motd.j2 dest=/etc/motd owner=root group=root mode=0644
+
+  tags: motd
+  

motd/templates/motd.j2

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+
+{{ motd_additional_text }}

motd/templates/update_motd.j2

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+#!/bin/sh
+
+cat /etc/static-motd
+
+exit 0