Import stacks into CloudFormation StackSets - Amazon CloudFormation
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Import stacks into CloudFormation StackSets

A stack import operation can import existing stacks into new or existing stack sets, so that you can migrate existing stacks to a stack set in one operation.

For self-managed StackSets, the import operation can import stacks in the administrator account or in different target accounts and Amazon Web Services Regions. For service-managed StackSets, the import operation can import any stack in the same Amazon Organizations as the management account.

The following are considerations and limitations when importing stacks into StackSets:

  • The import operation can import up to 10 stacks using inline stack IDs or up to 200 stacks using an Amazon S3 object.

  • The NoEcho property is not supported. Stacks that contain NoEcho won't be imported into new stack sets through StackSet import.

  • Stacks can only belong to one stack set.

  • You can implement stack tags to the stack set by specifying tags explicitly as parameters in the stack import operation.

  • A stack's custom parameter overrides aren't affected during the import operation.

  • The StackSets quotas and stack instances apply when importing stacks. For more information about quotas, see Understand CloudFormation quotas.

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