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Add auto_renew_certificates_systemd_calendar (#7490)

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This allow to configure when K8S certificates renewal runs

Signed-off-by: Etienne Champetier <e.champetier@ateme.com>
(cherry picked from commit bf6a39eb84)

Conflicts:
        inventory/sample/group_vars/k8s-cluster/k8s-cluster.yml
        roles/kubernetes/master/defaults/main/main.yml
        roles/kubernetes/master/templates/k8s-certs-renew.timer.j2
This commit is contained in:
Etienne Champetier 2021-04-12 12:47:45 -04:00 committed by Kubernetes Prow Robot
parent 6f9f450cce
commit e7fad8224d
3 changed files with 5 additions and 2 deletions
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2
inventory/sample/group_vars/k8s-cluster/k8s-cluster.yml
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@ -313,3 +313,5 @@ event_ttl_duration: "1h0m0s"
## Automatically renew K8S control plane certificates on first Monday of each month ## Automatically renew K8S control plane certificates on first Monday of each month
auto_renew_certificates: false 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-master'].index(inventory_hostname) }}0:00"

2
roles/kubernetes/master/defaults/main/main.yml
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@ -197,3 +197,5 @@ event_ttl_duration: "1h0m0s"
## Automatically renew K8S control plane certificates on first Monday of each month ## Automatically renew K8S control plane certificates on first Monday of each month
auto_renew_certificates: false 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-master'].index(inventory_hostname) }}0:00"

3
roles/kubernetes/master/templates/k8s-certs-renew.timer.j2
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@ -2,8 +2,7 @@
Description=Timer to renew K8S control plane certificates Description=Timer to renew K8S control plane certificates
[Timer] [Timer]
# First Monday of each month OnCalendar={{ auto_renew_certificates_systemd_calendar }}
OnCalendar=Mon *-*-1,2,3,4,5,6,7 03:{{ groups['kube-master'].index(inventory_hostname) }}0:00
[Install] [Install]
WantedBy=multi-user.target WantedBy=multi-user.target