airflow_emr_policy.json

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "s3:GetObject",
                "elasticmapreduce:DescribeStep",
                "elasticmapreduce:AddJobFlowSteps",
                "elasticmapreduce:RunJobFlow"
            ],
            "Resource": "*"
        },
        {
            "Effect": "Allow",
            "Action": "iam:PassRole",
            "Resource": [
                "arn:aws:iam::123412341234:role/EMR_DemoRole",
                "arn:aws:iam::123412341234:role/EMR_EC2_DemoRole",
                "arn:aws:iam::123412341234:role/EMR_EC2_DefaultRole",
                "arn:aws:iam::123412341234:role/EMR_DefaultRole"
            ]
        }
    ]
}