K3s Server Certificate

EFA uses K3s for management of microservices which comes up with its own certificates.

Location

TPVM: /apps/efadata/certs/ca/extreme-ca-cert.pem
Server: /opt/efadata/certs/own/extreme-ca-cert.pem

Expiry and Alerts

The certificate is valid till one year from the date of installation which is reset on every upgrade. It supports the following alerts which effects the health of EFA security subsystem:

CertificateExpiryNoticeAlert
CertificateExpiredAlert
CertificateUnreadableAlert

For more information, see Fault Management.

Renewal

You can perform the renewal of K3s Server certificate only when:

K3s server certificate has expired
K3s server certificates expiry is less than 90 days

To renew or regenerate the K3S server certificate, use the renewal script efa_k3s_renew_certs.sh.

Note

In TPVM, the renewal script is available in /apps/efa/ and /opt/efa/ on a server installation.

sudo bash <path to the script>/efa_k3s_renew_certs.sh --type server

On renewal of the certificate, CertificateRenewalAlert is raised which changes the health of the system to green.