terraform-provider-aws: Lambda create timeout with large files

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Terraform Version

Terraform v0.11.7
+ provider.aws v1.18.0

Affected Resource(s)

• aws_lambda_function

Expected Behavior

Creating a lambda function with a 16mb file on a slow connection should work, albeit slowly.

Actual Behavior

It quickly times out.

module.lambda.aws_lambda_function.lambda: Creating...
  arn:                                   "" => "<computed>"
  description:                           "" => "..."
  environment.#:                         "" => "1"
  environment.0.variables.%:             "" => "2"
  environment.0.variables.DOMAINS:       "" => "..."
  environment.0.variables.EMAIL_ADDRESS: "" => "..."
  filename:                              "" => "large-file.zip"
  function_name:                         "" => "..."
  handler:                               "" => "main.lambda_handler"
  invoke_arn:                            "" => "<computed>"
  last_modified:                         "" => "<computed>"
  memory_size:                           "" => "128"
  publish:                               "" => "false"
  qualified_arn:                         "" => "<computed>"
  reserved_concurrent_executions:        "" => "0"
  role:                                  "" => "..."
  runtime:                               "" => "python3.6"
  source_code_hash:                      "" => "<computed>"
  source_code_size:                      "" => "<computed>"
  timeout:                               "" => "300"
  tracing_config.#:                      "" => "<computed>"
  version:                               "" => "<computed>"
module.lambda.aws_lambda_function.lambda: Still creating... (10s elapsed)
module.lambda.aws_lambda_function.lambda: Still creating... (20s elapsed)
module.lambda.aws_lambda_function.lambda: Still creating... (30s elapsed)
module.lambda.aws_lambda_function.lambda: Still creating... (40s elapsed)
module.lambda.aws_lambda_function.lambda: Still creating... (50s elapsed)
module.lambda.aws_lambda_function.lambda: Still creating... (1m0s elapsed)
module.lambda.aws_lambda_function.lambda: Still creating... (1m10s elapsed)
module.lambda.aws_lambda_function.lambda: Still creating... (1m20s elapsed)
module.lambda.aws_lambda_function.lambda: Still creating... (1m30s elapsed)

Error: Error applying plan:

1 error(s) occurred:

* module.lambda.aws_lambda_function.lambda: 1 error(s) occurred:

* aws_lambda_function.lambda: Error creating Lambda function: timeout while waiting for state to become 'success' (timeout: 1m0s)

Steps to Reproduce

Use aws_lambda_function with filename pointing to a large file, and try to apply it.

Important Factoids

A workaround is to first create the function with a small file and then modify it to use the big file, as per this comment in an unrelated issue.