Use batch mode for graceful docker/rkt upgrade (#1815)

7 years ago · c766bd077b
1 changed files with 1 additions and 0 deletions
--- a/upgrade-cluster.yml
+++ b/upgrade-cluster.yml
@ -24,6 +24,7 @@

 - hosts: k8s-cluster:etcd:calico-rr
  any_errors_fatal: "{{ any_errors_fatal | default(true) }}"
+  serial: "{{ serial | default('20%') }}"
  roles:
    - { role: kubespray-defaults}
    - { role: kubernetes/preinstall, tags: preinstall }