From af4c8b31920650fc0323d822aa72872bc7e861e7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20Mass=C3=A9?= <nicolas.masse@itix.fr>
Date: Wed, 27 Jun 2018 07:50:30 +0200
Subject: [PATCH] see #5: verify that the hostnames are consistent

---
 prepare.yml | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/prepare.yml b/prepare.yml
index 2384065..cae04f9 100644
--- a/prepare.yml
+++ b/prepare.yml
@@ -207,6 +207,25 @@
     changed_when: false
     tags: dns
 
+  - name: Get the machine FQDN
+    command: hostname -f
+    register: hostname_f
+    changed_when: false
+    tags: dns
+  
+  - name: Make sure the hostnames are consistent
+    assert:
+      that:
+      - inventory_hostname_short == discovered_hostname
+      - inventory_hostname == discovered_fqdn
+      msg: >
+        Your hostnames are not consistent ! Check your /etc/hosts, 
+        /etc/sysconfig/hostname and the output of "hostnamectl status". 
+    vars:
+      discovered_fqdn: '{{ hostname_f.stdout_lines[0] }}'
+      discovered_hostname: '{{ ansible_hostname }}'
+    tags: dns
+
   - name: First, disable any repos (using subscription-manager)
     command: subscription-manager repos --disable="*"
     tags: rpm