Start Ambari Services automatically on cluster startup

#!/bin/bash

set -x

# =========================================================== #
# Created By: Lokesh Nanda
# Date: 14/03/2016
# Starts ambari services
# Configured to start HDFS,YARN,MapReduce2,Hive,ZooKeper,Kafka,Spark,Spark2
# =========================================================== #

curl -u admin:admin -i -H 'X-Requested-By: ambari' -X PUT -d '{"RequestInfo": {"context" :"Start HDFS via REST"}, "Body": {"ServiceInfo": {"state": "STARTED"}}}' http://localhost:8080/api/v1/clusters/mydevcluster/services/HDFS

curl -u admin:admin -i -H 'X-Requested-By: ambari' -X PUT -d '{"RequestInfo": {"context" :"Start YARN via REST"}, "Body": {"ServiceInfo": {"state": "STARTED"}}}' http://localhost:8080/api/v1/clusters/mydevcluster/services/YARN

curl -u admin:admin -i -H 'X-Requested-By: ambari' -X PUT -d '{"RequestInfo": {"context" :"Start MapReduce2 via REST"}, "Body": {"ServiceInfo": {"state": "STARTED"}}}' http://localhost:8080/api/v1/clusters/mydevcluster/services/MAPREDUCE2

curl -u admin:admin -i -H 'X-Requested-By: ambari' -X PUT -d '{"RequestInfo": {"context" :"Start ZooKeeper via REST"}, "Body": {"ServiceInfo": {"state": "STARTED"}}}' http://localhost:8080/api/v1/clusters/mydevcluster/services/ZOOKEEPER

#curl -u admin:admin -i -H 'X-Requested-By: ambari' -X PUT -d '{"RequestInfo": {"context" :"Start Kafka via REST"}, "Body": {"ServiceInfo": {"state": "STARTED"}}}' http://localhost:8080/api/v1/clusters/mydevcluster/services/KAFKA

curl -u admin:admin -i -H 'X-Requested-By: ambari' -X PUT -d '{"RequestInfo": {"context" :"Start Spark via REST"}, "Body": {"ServiceInfo": {"state": "STARTED"}}}' http://localhost:8080/api/v1/clusters/mydevcluster/services/SPARK

#curl -u admin:admin -i -H 'X-Requested-By: ambari' -X PUT -d '{"RequestInfo": {"context" :"Start Spark2 via REST"}, "Body": {"ServiceInfo": {"state": "STARTED"}}}' http://localhost:8080/api/v1/clusters/mydevcluster/services/SPARK2

curl -u admin:admin -i -H 'X-Requested-By: ambari' -X PUT -d '{"RequestInfo": {"context" :"Start Hive via REST"}, "Body": {"ServiceInfo": {"state": "STARTED"}}}' http://localhost:8080/api/v1/clusters/mydevcluster/services/HIVE


1. Save the above file start-ambari.sh
2. Enter in terminal
    crontab -e
    @reboot /home/lokesh/Scripts/start-ambari.sh
3. Save and exit