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S3_Write

Node​

Node Description​

Sync GCS bucket -> S3 bucket

Node attributes that begin with "src_" are used to specify the source Ganymede GCS bucket and the files to sync. Node attributes that begin with "dest_" are used to specify the destination S3 bucket and the files to write. The source bucket can be either the input or output bucket of the current run. The destination bucket is specified by the dest_s3_key attribute.

Node Attributes​

  • src_input_or_output_bucket : str
    • "input" or "output" for the Ganymede cloud storage bucket to sync from
  • src_object_prefix : str
    • Prefix of Ganymede data lake object(s) to write
  • src_all_or_current_run : str
    • "all" or "current" - whether to sync all files or the files in the input or output bucket from the current run
  • dest_node_name_in_path : bool
    • "true" or "false" - whether to prepend the flow name and node name for specified file in the S3 bucket path. If the output bucket is specified, written files will contain the flow name and the timestamp of the run in that path to the file.
  • dest_replace_or_append : str
    • "replace" or "append" - whether to replace existing files or only add new files to the destination S3 bucket when a file in the S3 bucket has the same name as the source file being synced
  • dest_s3_key : str
    • Destination S3 key to write to. If this string ends with a '/', it will be treated as a prefix (i.e. - S3 folder), and the file will be written with the same name as the source file

Notes​

Prior to usage, the following secrets must be configured in the environment:

  • aws_s3_role_arn: AWS Service Account Name

This ARN will be used to enable the Airflow connection to the S3 bucket. Configuring this ARN will require the service account ID associated with the workflow orchestrator. Please reach out to the Ganymede team for instructions on configuring access within AWS to enable Ganymede connectivity.

Once configured, add the AWS role ARN secret to your environment by clicking on your username in the upper-right hand of the Ganymede application, then selecting Environment Settings and navigating to the Secrets tab.

Example​

An example configuration for an S3 Write Node in the Flow Editor (src_object_prefix is left empty so that no prefix is added to files).

  • dest_node_name_in_path: false
  • dest_replace_or_append: append
  • dest_s3_key: s3://environment-sandbox-s3-bucket/test_path/
  • src_all_or_current_run: current
  • src_input_or_output_bucket: output
  • src_object_prefix: