Merge pull request #2903 from riverzhang/swap

Add manage swap on the worker node

roles/kubernetes/preinstall/tasks/main.yml

@@ -1,4 +1,8 @@
 ---
+# Disable swap
+- import_tasks: swapoff.yml
+  when: disable_swap
+
 - import_tasks: verify-settings.yml
   tags:
     - asserts

roles/kubernetes/preinstall/tasks/swapoff.yml

@@ -0,0 +1,10 @@
+---
+- name: Remove swapfile from /etc/fstab
+  mount:
+    name: swap
+    fstype: swap
+    state: absent
+
+- name: Disable swap
+  command: swapoff -a
+  when: ansible_swaptotal_mb > 0