Jaimin D Jetly created AMBARI-6928:
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             Summary: Remove the restriction for minimum one filesystem check.
                 Key: AMBARI-6928
                 URL: https://issues.apache.org/jira/browse/AMBARI-6928
             Project: Ambari
          Issue Type: Sub-task
          Components: client
    Affects Versions: 1.7.0
            Reporter: Jaimin D Jetly
            Assignee: Jaimin D Jetly
             Fix For: 1.7.0


amabri-web code has the validation logic on select services page to minimum 
select one filesystem service. This needs to be removed and along with this 
service dependencies on HDFS should be added.

service dependency map:
{code}
HDP-1: {
    HDFS: ['MAPREDUCE', ''HBASE', SQOOP'],
    MAPREDUCE: ['PIG', 'OOZIE', 'HIVE'],
    ZOOKEEPER: ['HBASE', 'HIVE', 'WEBHCAT'],
    HIVE: ['HCATALOG','WEBHCAT']
  },
  HDP-2: {
    ZOOKEEPER: ['HDFS', 'HBASE', 'HIVE', 'WEBHCAT', 'STORM']
    HDFS: ['YARN', 'HBASE', 'FLUME', 'SQOOP'],
    YARN: [ 'MAPREDUCE2', 'PIG', 'OOZIE', 'HIVE', 'TEZ'],
    TEZ: ['YARN', 'HIVE'],
    OOZIE: ['FALCON'], 
    HIVE: ['HCATALOG','WEBHCAT'] 
  }
{code}




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