VOL-666 : Ensure persistence of disabled swaps on kubernetes

- Swaps will remain disabled after reboot
- Commented out swap partitions in /etc/fstab

Change-Id: I7acd32ad717526d5a7cc4eb9b5904ab7e9724612
diff --git a/install/ansible/roles/voltha-k8s/tasks/config.yml b/install/ansible/roles/voltha-k8s/tasks/config.yml
index d7a4d43..db35acf 100644
--- a/install/ansible/roles/voltha-k8s/tasks/config.yml
+++ b/install/ansible/roles/voltha-k8s/tasks/config.yml
@@ -79,3 +79,8 @@
   command: swapoff -a
   when: target == "cluster"
   tags: [voltha]
+
+- name: VOLT-HA Config | Comment out swap partitions from /etc/fstab
+  command: sed -i -e 's/^\/.* swap .*/#&/' /etc/fstab
+  when: target == "cluster"
+  tag: [voltha]