The Jetstack cert-manager allows to automatically create and extend SSL/TLS certificates with Let's Encrypt. It also seamlessly integrates with Ingress Controllers to automatically create certificates for Ingress resources.
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For information on how to install and uninstall an Add-On see MetaKube Add-Ons.
When installing on Openstack the required Webhook to use Openstack DNS will be deployed automatically in the cluster.
There are no customization options.