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scale down coredns on each master during graceful upgrade (#5344)

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This fixes the scenario where masters are upgraded one at a time
and coredns gets improperly scaled back up to 2 replicas.

Change-Id: I7cc9283f40efcfd61b5813c89a5805c95d901567
This commit is contained in:
Matthew Mosesohn 2019-11-18 11:13:41 +03:00 committed by Kubernetes Prow Robot
parent 5cd7d1a3c9
commit 85c851f519
1 changed files with 1 additions and 1 deletions
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2
roles/kubernetes/master/tasks/kubeadm-upgrade.yml
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@ -49,8 +49,8 @@
retries: 6 retries: 6
delay: 5 delay: 5
until: scale_down_coredns is succeeded until: scale_down_coredns is succeeded
run_once: yes
when: when:
- inventory_hostname == groups['kube-master']|first
- kubeadm_scale_down_coredns_enabled - kubeadm_scale_down_coredns_enabled
- dns_mode not in ['coredns', 'coredns_dual'] - dns_mode not in ['coredns', 'coredns_dual']
changed_when: false changed_when: false