Adding new OCP nodes fails because Machine Config Server certificate is missing the SAN field
Issue
- Adding new nodes to a RHOCP cluster fails because the
ignitionprocess doesn't accept the Machine Config Server certificate - Any new node
ignitionprocess fails with error:ignition[743]: GET error: "https://api-int.<domain>:22623/config/master": x509: certificate relies on legacy Common Name field, use SANs instead.
Environment
- Red Hat OpenShift Container Platform (RHOCP)
- 4.10 and later
- Red Hat Enterprise Linux CoreOS (RHCOS)
- 4.10 and later
- UPI installation
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