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For security reasons and to avoid the possibility of tampering with uploaded data, data files that are ingested through S3 buckets are moved immediately to a different location when uploaded. Upon successful upload of data files to the ingest bucket using the above step, data will be moved to the raw submissions standardized data bucket or “Data Lake.”
Background processes will move the data from Raw data bucket to the Standardized data bucket under a folder labelled based on the date it was uploaded. As a data provider, you will have a folder in the Data Lake that contains all of the data you upload.
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aws s3 ls s3://prod.sdc.dot.gov.data-lake.standardized-data/<data-provider> --profile sdc |
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Configuration Files
When the uploaded data reaches the Standardized Data Bucket, it will be checked by the validation lambda function. This function confirms that all the correct fields exist for each message and that the data in each field is reasonable (eg. Variable speed limit set to 0-254 MPH). The field and data checks are stored in a file called config.ini.