Do rolling upgrades in batches of 20%

ec188354 · Evangelos Foutras · 334c85f8 · ec188354
Verified Commit ec188354 authored 3 years ago by Evangelos Foutras
--- a/playbooks/tasks/upgrade-servers.yml
+++ b/playbooks/tasks/upgrade-servers.yml
@@ -2,6 +2,7 @@

 - name: upgrade and reboot all servers
  hosts: all,!rsync_net,!hetzner_storageboxes
+  serial: 20%
  gather_facts: false

  tasks: