Ambari blueprint for Hortonworks 2.6 with Spark 2.1 and Livy Server (see https://community.hortonworks.com/articles/104448/using-cloudbreak-to-deploy-hdp-26-and-spark-21-on.html)

hdp26-spark2-livy-cluster.json

{
    "host_groups": [
        {
            "name": "host_group_client_1",
            "configurations": [],
            "components": [
                {
                    "name": "ZOOKEEPER_CLIENT"
                },
                {
                    "name": "PIG"
                },
                {
                    "name": "OOZIE_CLIENT"
                },
                {
                    "name": "HBASE_CLIENT"
                },
                {
                    "name": "HCAT"
                },
                {
                    "name": "KNOX_GATEWAY"
                },
                {
                    "name": "METRICS_MONITOR"
                },
                {
                    "name": "FALCON_CLIENT"
                },
                {
                    "name": "TEZ_CLIENT"
                },
                {
                    "name": "SPARK2_CLIENT"
                },
                {
                    "name": "SLIDER"
                },
                {
                    "name": "SQOOP"
                },
                {
                    "name": "HDFS_CLIENT"
                },
                {
                    "name": "HIVE_CLIENT"
                },
                {
                    "name": "YARN_CLIENT"
                },
                {
                    "name": "METRICS_COLLECTOR"
                },
                {
                    "name": "MAPREDUCE2_CLIENT"
                }
            ],
            "cardinality": "1"
        },
        {
            "name": "host_group_master_3",
            "configurations": [],
            "components": [
                {
                    "name": "ZOOKEEPER_SERVER"
                },
                {
                    "name": "APP_TIMELINE_SERVER"
                },
                {
                    "name": "TEZ_CLIENT"
                },
                {
                    "name": "HBASE_MASTER"
                },
                {
                    "name": "HBASE_CLIENT"
                },
                {
                    "name": "HDFS_CLIENT"
                },
                {
                    "name": "METRICS_MONITOR"
                },
                {
                    "name": "SECONDARY_NAMENODE"
                }
            ],
            "cardinality": "1"
        },
        {
            "name": "host_group_slave_1",
            "configurations": [],
            "components": [
                {
                    "name": "HBASE_REGIONSERVER"
                },
                {
                    "name": "NODEMANAGER"
                },
                {
                    "name": "METRICS_MONITOR"
                },
                {
                    "name": "DATANODE"
                }
            ],
            "cardinality": "6"
        },
        {
            "name": "host_group_master_2",
            "configurations": [],
            "components": [
                {
                    "name": "ZOOKEEPER_SERVER"
                },
                {
                    "name": "ZOOKEEPER_CLIENT"
                },
                {
                    "name": "PIG"
                },
                {
                    "name": "MYSQL_SERVER"
                },
                {
                    "name": "HIVE_SERVER"
                },
                {
                    "name": "METRICS_MONITOR"
                },
                {
                    "name": "SPARK2_JOBHISTORYSERVER"
                },
                {
                    "name": "SPARK2_CLIENT"
                },
                {
                    "name": "SPARK2_THRIFTSERVER"
                },
                {
                    "name": "LIVY2_SERVER"
                },
                {
                    "name": "TEZ_CLIENT"
                },
                {
                    "name": "HBASE_CLIENT"
                },
                {
                    "name": "HIVE_METASTORE"
                },
                {
                    "name": "ZEPPELIN_MASTER"
                },
                {
                    "name": "HDFS_CLIENT"
                },
                {
                    "name": "YARN_CLIENT"
                },
                {
                    "name": "MAPREDUCE2_CLIENT"
                },
                {
                    "name": "RESOURCEMANAGER"
                },
                {
                    "name": "WEBHCAT_SERVER"
                }
            ],
            "cardinality": "1"
        },
        {
            "name": "host_group_master_1",
            "configurations": [],
            "components": [
                {
                    "name": "ZOOKEEPER_SERVER"
                },
                {
                    "name": "HISTORYSERVER"
                },
                {
                    "name": "OOZIE_CLIENT"
                },
                {
                    "name": "NAMENODE"
                },
                {
                    "name": "OOZIE_SERVER"
                },
                {
                    "name": "HDFS_CLIENT"
                },
                {
                    "name": "YARN_CLIENT"
                },
                {
                    "name": "FALCON_SERVER"
                },
                {
                    "name": "METRICS_MONITOR"
                },
                {
                    "name": "MAPREDUCE2_CLIENT"
                }
            ],
            "cardinality": "1"
        }
    ],
    "Blueprints": {
        "blueprint_name": "hdp26-spark21-cluster",
        "stack_name": "HDP",
        "stack_version": "2.6"
    }
}