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Co-authored-by: to-bar <46519524+to-bar@users.noreply.github.com>

core/src/epicli/data/common/ansible/playbooks/roles/upgrade/tasks/kubernetes/backup-kubeadm-config.yml

@@ -0,0 +1,6 @@
+---
+# The kubeadm-config.yml file is no longer used during upgrade process,
+# but we keep it for backup and reference purposes.
+- name: k8s/master | Save kubeadm-config ConfigMap to file
+  command: >-
+    kubeadm config view > /etc/kubeadm/kubeadm-config.yml

core/src/epicli/data/common/ansible/playbooks/roles/upgrade/tasks/kubernetes/upgrade-master0.yml

@@ -112,8 +112,8 @@
   when:
     - version is version('1.17.7', '==')
 
-- name: k8s/master0 | Upgrade kubeadm-config.yml if exists
-  include_tasks: upgrade-kubeadm-config.yml
+- name: k8s/master0 | Backup kubeadm-config.yml
+  include_tasks: backup-kubeadm-config.yml
 
 - name: k8s/master0 | Upgrade Docker  # this may restart Docker daemon
   include_tasks: docker.yml

core/src/epicli/data/common/ansible/playbooks/roles/upgrade/tasks/kubernetes/upgrade-masterN.yml

@@ -34,8 +34,8 @@
 - name: k8s/masterN | Wait for cluster's readiness
   include_tasks: utils/wait.yml
 
-- name: k8s/masterN | Upgrade kubeadm-config.yml if exists
-  include_tasks: upgrade-kubeadm-config.yml
+- name: k8s/masterN | Backup kubeadm-config.yml
+  include_tasks: backup-kubeadm-config.yml
 
 - name: k8s/masterN | Upgrade Docker  # this may restart Docker daemon
   include_tasks: docker.yml