/bq_property_transform.py
Created Mar 22, 2014
The mapreduce job we use to transform datastore backups into JSON files that we then load into BigQuery.
| mr_pipeline = mapreduce_pipeline.MapperPipeline( | |
| 'bq_property_transform', | |
| 'extbackup.bq_property_transform.property_transform_mapper', | |
| 'third_party.mapreduce.input_readers.RecordsReader', | |
| 'third_party.mapreduce.output_writers.FileOutputWriter', | |
| params={ | |
| 'input_reader': { | |
| 'files': list_backup_files(kind, backup_date), | |
| }, | |
| 'output_writer': { | |
| 'filesystem': 'gs', | |
| 'mime_type': 'text/plain', | |
| 'output_sharding': 'input', | |
| 'gs_bucket_name': get_output_path(kind, backup_date), | |
| }, | |
| 'backup_date': backup_date.encode('UTF-8'), | |
| 'kind': kind.encode('UTF-8'), | |
| }, | |
| shards=N_SHARDS, | |
| ) |
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