use swapon -s (#4216)

2019-02-14 19:35:17 +09:00 · 2019-02-14 19:35:17 +09:00 · e03588f431
commit e03588f431
parent 8872b2e0c6
1 changed files with 7 additions and 2 deletions
--- a/roles/kubernetes/preinstall/tasks/0010-swapoff.yml
+++ b/roles/kubernetes/preinstall/tasks/0010-swapoff.yml
@ -8,6 +8,11 @@
    - swap
    - none

+# kubelet fails even if ansible_swaptotal_mb = 0
+- name: check swap
+  command: /sbin/swapon -s
+  register: swapon
+  changed_when: no
 - name: Disable swap
-  command: swapoff -a
-  when: ansible_swaptotal_mb > 0
+  command: /sbin/swapoff -a
+  when: swapon.stdout != ""