Merge pull request #4750 from jkaurredhat/drain_upgrade1.6

Upgrade fails when "Drain Node for Kubelet upgrade"

playbooks/common/openshift-cluster/upgrades/upgrade_control_plane.yml

@@ -294,7 +294,7 @@
 
   - name: Drain Node for Kubelet upgrade
     command: >
-      {{ hostvars[groups.oo_first_master.0].openshift.common.admin_binary }} drain {{ openshift.node.nodename | lower }} --force --delete-local-data --ignore-daemonsets
+      {{ hostvars[groups.oo_first_master.0].openshift.common.admin_binary }} drain {{ openshift.node.nodename | lower }} --config={{ openshift.common.config_base }}/master/admin.kubeconfig --force --delete-local-data --ignore-daemonsets
     delegate_to: "{{ groups.oo_first_master.0 }}"
 
   roles: