From d2eff8d6523868eb88c431cce5029ca296aa5ee8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicolas=20Mass=C3=A9?= <nicolas.masse@itix.fr>
Date: Mon, 25 Jun 2018 11:31:51 +0200
Subject: [PATCH] fix #2: check if there are residue of an old install of K8S

---
 prepare.yml | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/prepare.yml b/prepare.yml
index 69c05f9..8e806eb 100644
--- a/prepare.yml
+++ b/prepare.yml
@@ -10,6 +10,27 @@
     docker_version: 1.13.1
 
   tasks:
+  - name: Check if /etc/kubernetes exists
+    stat:
+      path: /etc/kubernetes
+    register: etc_kubernetes
+    tags: checks
+
+  - name: Check if /etc/cni exists
+    stat:
+      path: /etc/cni
+    register: etc_cni
+    tags: checks
+
+  - name: Check if there is an old version of Kubernetes installed
+    assert:
+      that:
+      - "'KUBE_CONFIG' not in ansible_env"
+      - "not etc_kubernetes.stat.exists"
+      - "not etc_cni.stat.exists"
+      msg: An old installation of Kubernetes may have been found
+    tags: checks
+
   - name: Make sure SELinux is enabled
     lineinfile:
       path: /etc/sysconfig/selinux