Mods
AWS

IAM Role: AWS/DataPipeline/Metadata

PermissionGrant
datapipeline:DescribeObjectsMetadata
datapipeline:DescribePipelinesMetadata
datapipeline:GetAccountLimitsMetadata
datapipeline:GetPipelineDefinitionMetadata
datapipeline:ListPipelinesMetadata
datapipeline:QueryObjectsMetadata