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Add option to kubeadm upgrade command to control certificates renewal during control plane upgrade (#7976)

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* Add option to kubeadm upgrade command to control certificates renewal during control plane upgrade

* Remove training whitespace
This commit is contained in:
Hari Hud 2021-09-17 17:01:00 +05:30 committed by GitHub
parent 09af3ab074
commit 30cd91dc6b
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2 changed files with 6 additions and 0 deletions
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4
roles/kubernetes/control-plane/defaults/main/main.yml
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@ -193,3 +193,7 @@ event_ttl_duration: "1h0m0s"
auto_renew_certificates: false
# First Monday of each month
auto_renew_certificates_systemd_calendar: "Mon *-*-1,2,3,4,5,6,7 03:{{ groups['kube_control_plane'].index(inventory_hostname) }}0:00"
# kubeadm renews all the certificates during control plane upgrade.
# If we have requirement like without renewing certs upgrade the cluster,
# we can opt out from the default behavior by setting kubeadm_upgrade_auto_cert_renewal to false
kubeadm_upgrade_auto_cert_renewal: true

2
roles/kubernetes/control-plane/tasks/kubeadm-upgrade.yml
View file

@ -14,6 +14,7 @@
timeout -k 600s 600s
{{ bin_dir }}/kubeadm
upgrade apply -y {{ kube_version }}
--certificate-renewal={{ kubeadm_upgrade_auto_cert_renewal }}
--config={{ kube_config_dir }}/kubeadm-config.yaml
--ignore-preflight-errors=all
--allow-experimental-upgrades
@ -34,6 +35,7 @@
timeout -k 600s 600s
{{ bin_dir }}/kubeadm
upgrade apply -y {{ kube_version }}
--certificate-renewal={{ kubeadm_upgrade_auto_cert_renewal }}
--config={{ kube_config_dir }}/kubeadm-config.yaml
--ignore-preflight-errors=all
--allow-experimental-upgrades