constants are requested to server script

ebulk-data/embulk-wendelin-dataset-tool/lib/embulk/dataset_utils.rb

 require_relative 'filelogger'
 require 'digest/md5'
 require 'fileutils'
+require 'open-uri'
 
 # class that handles dataset tasks report
 class DatasetUtils
 
+  begin
+    uri = URI(URI.escape("https://softinst104003.host.vifib.net/erp5/getIngestionConstantsJson"))
+    res = open(uri).read
+    json = JSON.parse(res)
+    EOF = json['split_end_suffix']
+    NONE_EXT = json['none_extension']
+    REFERENCE_SEPARATOR = json['reference_separator']
+  rescue
+    EOF = "EOF"
+    NONE_EXT = "none"
+    REFERENCE_SEPARATOR = "/"
+  end
+
   DATASET_REPORT_FILE = ".dataset-task-report"
   DATASET_TEMP_REPORT_FILE = ".temp-dataset-task-report"
   DATASET_COMPLETED_FILE = ".dataset-completed"
@@ -42,10 +56,7 @@ class DatasetUtils
   OUTPUT_RENAMED = "renamed:     "
 
   MEGA = 1000000
-  EOF = "EOF"
   CHUNK_SIZE = 50000000 #50mb
-  NONE_EXT = "none"
-  REFERENCE_SEPARATOR = "/"
   RECORD_SEPARATOR = ";"
   DATE_FORMAT = "%Y-%m-%d-%H-%M-%S"