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Status Submitted
Workspace API Connect
Created by Guest
Created on Sep 17, 2025

APIC should use the cert manager generated certificate as the gateway invocation certificate in the Default Client TLS Keystore

Today the certificate in the Default TLS server keystore that is auto-generated by APIC during installation and is valid for 5 years. Its used as the default containerized gateway invocation url certificate. There is no option to extend this and in case its expired, customer need to create a new Keystore and create a new certificate.

Although its not recommended to use the Default TLS Server keystore and the corresping Default TLS server profile which references that keystore by default but many customers are using it especially on containerized gateways in test environemts as its all auto-generated by APIC.

Furthermore there is a certificate generated that is managed by Cert Manager that seems to correspond to this TLS Server keystore  / API Invocation Url certificate but is not used.

The request is to use this Cert Manager managed certificate and link it to the Default TLS server keystore certificate.

Example:
oc get certificates -n apic | grep gateway
apic-gw-gateway                        True    apic-gw-gateway                        2y17d
 

Its issued by the  apic-ingress-issuer and also the DNS Name in it matches the API invocation url of the containerized gateway. All other APIC certificates are managed by Cert Manager and get auto extended but as this gateway certificate is not linked to the secret in the TLS Server Keystore, customers need to change that certificate manually if it expires.

Idea priority Low