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dynamodb-to-firehose

Projects eventsource data from dynamodb to firehose via dynamodb streams and lambda.

Data stored to S3 will be encoded as:

[base64-encoded-event][newline]

Configuration

Like all eventsource-lambda functions, this one is also configured via the S3_CONFIG environment variable. In this case S3_CONFIG should point to a yaml file that contains the name of the table and the delivery stream the content should be sent to.

my-table:
  delivery_stream: "my-delivery-stream"

Any number of tables may be configured this way.

If dynamodb-to-firehose comes across a table not listed in its config, it will return an error under the assumption that this is a misconfiguration.

AWS Policies

The role executing dynamodb-to-firehose will need permissions to:

  • execute lambda function to dynamodb
  • access the S3 bucket where the config is stored
  • write to the firehose delivery stream