[
    {
        "Name": "Master instance group - 1",
        "InstanceGroupType": "MASTER",
        "InstanceCount": ${resources.EMR.master.instance_count},
        "InstanceType": "${resources.EMR.master.instance_type}"
    },
    {
        "Name": "Core instance group - 2",
        "InstanceGroupType": "CORE",
        "InstanceCount": ${resources.EMR.core.instance_count},
        "InstanceType": "${resources.EMR.core.instance_type}"
    }
]

[
    {
        "Name": "Master instance group - 1",
        "InstanceGroupType": "MASTER",
        "InstanceCount": ${resources.EMR.master.instance_count},
        "InstanceType": "${resources.EMR.master.instance_type}",
        "BidPrice": "${resources.EMR.master.bid_price}"
    },
    {
        "Name": "Core instance group - 2",
        "InstanceGroupType": "CORE",
        "InstanceCount": ${resources.EMR.core.instance_count},
        "InstanceType": "${resources.EMR.core.instance_type}",
        "BidPrice": "${resources.EMR.core.bid_price}"
    }
]

Update instance_group template to allow us to support the "launch EMR" script.
Update instance_group template to allow us to support the "launch EMR" script.
