Configuration reference

The etl.conf file ships with the engine and contains a demonstration of every supported block. The configuration consists of six top-level blocks:

• source database — where the engine reads from.
• cdm database — the destination database hosting the OMOP CDM.
• rabbit configuration — locations of OHDSI Rabbit artefacts (Usagi files, the Rabbit-in-a-Hat file, index storage).
• automation — pre and post automation steps.
• tool configuration — engine-wide knobs (worker threads, license, slot model).
• logging — log level and directory.

Each block is reviewed in turn on the linked pages.

Path resolution

Each path in the configuration file can be either relative or absolute. Relative paths are resolved against the location of etl.conf itself. When running the ETL Engine from inside its container, it is recommended to keep the pre-entered paths from the configuration template and folder structure intact.