export elastic to csv

logstash-export-csv.conf

input {
 elasticsearch {
    hosts => "localhost:9200"
    index => "give_index_name"
    query => '
    {
	    "query": {
		    "match_all": {}
	    }	
    } 
  '
  }
}
output {
  csv {
    # elastic field name
    fields => ["field1", "field2", "field3", "field4", "field5"]
    # This is path where we store output.   
    path => "/scrap/csv-export.csv"
  }
}

filter {
  mutate {
    convert => {
		"lat" => "float"
		"lon" => "float"
		"weight" => "float"
		}
  }
}