Command Line tool that will extract an existing AWS IAM Role and output a YAML snippet that can be cut and pasted into a CloudFormation or SAM template.
iam-extractor --role-name=my-existing-roleFull Options
usage: iam-extractor --role-name=<role name> --file-name=<output file name>
arguments:
-r, --role-name AWS IAM Role Name to extract
-s, --suppress-output-stdout Output the yaml fragment to stdout
--file-name The name of the file to write the output to. Optional.