Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

IAM policies for Amazon EMR calls in Step Functions

The following example templates show how Amazon Step Functions generates IAM policies based on the resources in your state machine definition. For more information, see How Step Functions generates IAM policies for integrated services and Discover service integration patterns in Step Functions.

addStep

Static resources

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "elasticmapreduce:AddJobFlowSteps",
        "elasticmapreduce:DescribeStep",
        "elasticmapreduce:CancelSteps"
      ],
      "Resource": [
        "arn:aws:elasticmapreduce:[[region]]:[[accountId]]:cluster/[[clusterId]]"
      ]
    }
  ]
}

Dynamic resources

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "elasticmapreduce:AddJobFlowSteps",
        "elasticmapreduce:DescribeStep",
        "elasticmapreduce:CancelSteps"
      ],
      "Resource": "arn:aws-cn:elasticmapreduce:*:*:cluster/*"
    }
  ]
}

cancelStep

Static resources

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": "elasticmapreduce:CancelSteps",
            "Resource": [
                "arn:aws-cn:elasticmapreduce:[[region]]:[[accountId]]:cluster/[[clusterId]]"
            ]
        }
    ]
}

Dynamic resources

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": "elasticmapreduce:CancelSteps",
            "Resource": "arn:aws-cn:elasticmapreduce:*:*:cluster/*"
        }
    ]
}

createCluster

Static resources

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "elasticmapreduce:RunJobFlow",
        "elasticmapreduce:DescribeCluster",
        "elasticmapreduce:TerminateJobFlows"
      ],
      "Resource": "*"
    },
    {
      "Effect": "Allow",
      "Action": "iam:PassRole",
      "Resource": [
        "arn:aws-cn:iam::{{account}}:role/[[roleName]]"
      ]
    }
  ]
}

setClusterTerminationProtection

Static resources

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": "elasticmapreduce:SetTerminationProtection",
            "Resource": [
                "arn:aws-cn:elasticmapreduce:[[region]]:[[accountId]]:cluster/[[clusterId]]"
            ]
        }
    ]
}

Dynamic resources

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": "elasticmapreduce:SetTerminationProtection",
            "Resource": "arn:aws-cn:elasticmapreduce:*:*:cluster/*"
        }
    ]
}

modifyInstanceFleetByName

Static resources

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "elasticmapreduce:ModifyInstanceFleet",
                "elasticmapreduce:ListInstanceFleets"
            ],
            "Resource": [
                "arn:aws-cn:elasticmapreduce:[[region]]:[[accountId]]:cluster/[[clusterId]]"
            ]
        }
    ]
}

Dynamic resources

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "elasticmapreduce:ModifyInstanceFleet",
                "elasticmapreduce:ListInstanceFleets"
            ],
            "Resource": "arn:aws-cn:elasticmapreduce:*:*:cluster/*"
        }
    ]
}

modifyInstanceGroupByName

Static resources

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "elasticmapreduce:ModifyInstanceGroups",
                "elasticmapreduce:ListInstanceGroups"
            ],
            "Resource": [
                "arn:aws-cn:elasticmapreduce:[[region]]:[[accountId]]:cluster/[[clusterId]]"
            ]
        }
    ]
}

Dynamic resources

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "elasticmapreduce:ModifyInstanceGroups",
                "elasticmapreduce:ListInstanceGroups"
            ],
            "Resource": "*"
        }
    ]
}

terminateCluster

Static resources

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "elasticmapreduce:TerminateJobFlows",
        "elasticmapreduce:DescribeCluster"
      ],
      "Resource": [
        "arn:aws-cn:elasticmapreduce:[[region]]:[[accountId]]:cluster/[[clusterId]]"
      ]
    }
  ]
}

Dynamic resources

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "elasticmapreduce:TerminateJobFlows",
        "elasticmapreduce:DescribeCluster"
      ],
      "Resource": "arn:aws-cn:elasticmapreduce:*:*:cluster/*"
    }
  ]
}