Dump HBase schema creation statements

hbase_schemadump.rb

include Java
import org.apache.hadoop.hbase.HBaseConfiguration
import org.apache.hadoop.hbase.client.HTable

conf = HBaseConfiguration.new

jrb_tables = list()
hbase_tables = jrb_tables.map { |jt| HTable.new(conf, jt) }

hbase_tables.each do |tbl|
  desc = tbl.getTableDescriptor()
  name = desc.nameAsString()
  fams = desc.getFamilies().toArray()
  famstrs = fams.map { |fam| fam.toString() }
  print "create '#{name}', #{famstr.join(', ')}"
  print "\n"