Grafana and Prometheus console gives 500 Internal Error

Solution Verified - Updated -

Issue

  • Unable to access Grafana and Prometheus console after changing the OCP's self signed certificate to custom certificate.
  • Error thrown in the grafana-proxy container:
oauthproxy.go:646: error redeeming code (client:10.11.10.1:36446): Post https://external-master-vip-name:8443/oauth/token: x509 : certificate signed by unknown authority
oauthproxy.go:439: ErrorPage 500 Internal Error Internal Error provider.go:372: authorizer reason: no RBAC policy matched

Environment

  • Red Hat OpenShift Container Platform [OCP]
    • v3.11

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