Key Lessons from Deploying Terraform Enterprise Active-Active on OpenShift

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A developer shared five critical challenges encountered while running Terraform Enterprise (TFE) in active-active mode on OpenShift, deployed via a GitOps pattern using ArgoCD. A major issue was TFE's version incompatibility during rolling updates, caused by the Helm chart's default RollingUpdate strategy; switching to a Recreate deployment strategy resolved the crash-loop failures. Vault's dynamic database role approach proved insufficient for TFE, which requires full database ownership, and was fixed by combining dynamic roles with a static role for the primary application user. TLS certificate errors when connecting to NooBaa S3-compatible storage were resolved by mounting OpenShift's internal CA certificate into the TFE pod. These findings highlight key configuration adjustments needed for a stable TFE active-active deployment in an OpenShift environment.

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