DynamoDB Table

External DynamoDB Table properties

Name:

type: string | required

• Altostra will use Name property for generating a logical ID:
  • Only strict alpha-numeric characters will be used (by the restrictions of CFN)
  • If non alpha-numeric characters were used in the name, the logical ID will be generated by the resource type.
  • Up to 64 characters

Identifier:

type: string | required

• An identifier of the table
• The kind of the identifier is determined by the Type field

Type:

type: string | required

• Selects the table identifier type
• Allowed values:
  • Table Name: The identifier is the table's name
    • Can be used when the table need not trigger a lambda and exists in the same region as the deployed stack.
    • Get from the AWS Console
      • Select the DynamoDB Table from the tables list in the AWS Console
      • Copy the title - it is the table's name
  • Table ARN: The identifier is the table's ARN
    • Can be used when the table need not trigger a lambda.
    • Get from the AWS Console
      • Select the DynamoDB Table from the tables list in the AWS Console
      • Expand the Additional info section
      • Copy the Amazon Resource Name (ARN)
  • Stream Identifier: The identifier is the table's stream ARN
    • Can be used when the table has DynamoDB stream enabled.
    • Get from the AWS Console
      • Select the DynamoDB Table from the tables list in the AWS Console
      • Go to the Exports and streams tab
      • Under DynamoDB stream details make sure the DynamoDB stream is enabled
        • If it is not - enable it
      • Copy the Latest stream ARN

External SQS Queue connections

The DynamoDB Table can connect to the following resources:

• Compute
  • Lambda Function
    • You must use the Stream Identifier table identifier type in order to trigger lambda using an external DynamoDB Table