Data Source Error When Running from OpenShift "tls: failed to verify certificate

We have developed a plugin for our product.
The customer has configured our product with HTTPS communication using the corporate Level CA Certs

When the customer isntalled Grafana on a local macinhe, there was no issue. However, once the custoner tried to connect from a Grafana which installed on OpenShift, he encountered the following error while setting the data source:

referer=https://grafana-orig-engineeringmycompany.net/connections/datasources/edit/ddxcfzzr61b0ge t=2024-09-09T04:29:42.407839198Z level=error msg="Proxy request failed" err="tls: failed to verify certificate: x509: certificate signed by unknown authority"

Can we resolve the issue without modfying the plugin to skip on the TLS error?

I post this question in the plugin fortum and I was advised to post it here

Sure, make sure that used CA cert is included in CA certs used by that Grafana on Openshift.

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