VOL-666 : Disabled swap on kubernetes hosts

- Also added specific versions for kafka and zookeeper

Change-Id: Id5d31fc2ac8dbfd0921a3fff103c8f3dc95bf96a
diff --git a/install/ansible/roles/voltha-k8s/tasks/config.yml b/install/ansible/roles/voltha-k8s/tasks/config.yml
index c3bfe22..d7a4d43 100644
--- a/install/ansible/roles/voltha-k8s/tasks/config.yml
+++ b/install/ansible/roles/voltha-k8s/tasks/config.yml
@@ -74,3 +74,8 @@
   with_items: "{{ voltha_containers }}"
   when: target == "cluster"
   tags: [voltha]
+
+- name: VOLT-HA Config | Disable all swaps
+  command: swapoff -a
+  when: target == "cluster"
+  tags: [voltha]