We have a doubt. We are seeing that the SSL certificate of the cluster hosts expire in a few days.
What does it affect if it expires?
Can monitoring data be lost?
Or Is it renewed automatically?
Is there anything we should keep in mind before the expiration date?
Thanks in advance.
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Dynatrace by default uses certificates from Letsencrypt, unless you are using your own certs. They are normally valid for 3 months. I think the renewal process starts about a week before the expiration.
You don't need to worry about that. Unless you lose the connectivity to mission control, the certificates will be renewed automatically.
Actually there is 🙂 You need to disable and then re-enable the certificate management. New certificates will be generated. However, this may result in broken communication (for UI clients) during the time the certificate management is disabled (selfsign certificate will be used as far as I remember unless you specify your own one).
So this is definitely not a recommended way to do refresh certificates.