Airflow implementation of import automation workflow - #2220
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This pull request introduces an automated workflow for Data Commons imports using Apache Airflow and Cloud Composer. It includes a catalog builder script, a dynamic DAG factory, and a core automation DAG that orchestrates Cloud Batch jobs and Spanner ingestion. The review identifies several critical anti-patterns, including unsafe path manipulation, global environment variable modification, synchronous operator execution within tasks, and blocking sleep loops. Actionable feedback was provided to improve path handling, enforce strict duplicate ID management, and implement robust retry mechanisms for network requests.
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