Lightning Talk: 800 Reasons To Love OpenTofu (We Counted Them All)
summary
An SRE team migrates 800+ resources (dashboards, monitors, synthetics) from ClickOps to OpenTofu in about three to four weeks by building a Datadog-API-backed generator pipeline that emits HCL, uses OpenTofu import/state, and runs shadow-mode testing (import → terraform plan → fix generator) to avoid any production changes until validated. Key operational details: batching with exponential backoff for Datadog rate limits, per-team workspaces/state files, zero downtime, and no incidents during cutover.
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