Disable swap in vagrant vms

Vagrantfile

@@ -129,6 +129,9 @@ Vagrant.configure("2") do |config|
         config.vm.provision "shell", inline: "service network restart", run: "always"
       end
 
+      # Disable swap for each vm
+      config.vm.provision "shell", inline: "swapoff -a"
+
       # Only execute once the Ansible provisioner,
       # when all the machines are up and ready.
       if i == $num_instances

roles/kubernetes/preinstall/tasks/verify-settings.yml

@@ -71,3 +71,9 @@
   command: ping -c1 {{ access_ip }}
   when: access_ip is defined
   ignore_errors: "{{ ignore_assert_errors }}"
+
+- name: Stop if swap enabled
+  assert:
+    that: ansible_swaptotal_mb == 0
+  when: kubelet_fail_swap_on|default(true)
+  ignore_errors: "{{ ignore_assert_errors }}"