Class: Chef::Knife::HadoopHdfsList

Inherits:
Chef::Knife show all
Includes:
HadoopBase
Defined in:
lib/chef/knife/hadoop_hdfs_list.rb

Instance Method Summary collapse

Methods included from HadoopBase

#db_connection, #hdfs_connection, included, #locate_config_value, #msg_pair

Instance Method Details

#run ⇒ Object 



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# File 'lib/chef/knife/hadoop_hdfs_list.rb', line 40

def run
  $stdout.sync = true
  
  hdfs_list = [
    ui.color('Directory',        :bold),
    ui.color('accessTime',       :bold),
    ui.color('blockSize',        :bold),
    ui.color('group',            :bold),
    ui.color('length',           :bold),
    ui.color('modificationTime', :bold),
    ui.color('owner',            :bold),
    ui.color('pathSuffix',       :bold),
    ui.color('permission',       :bold),
    ui.color('replication',      :bold),
    ui.color('type',             :bold)
  ]
  
  #There has to be a more elegant way to do the below iteration :-)

  hdfs_layout = hdfs_connection.list("#{Chef::Config[:knife][:dir]}") 
  hdfs_layout.each do |item|
    hdfs_list << "#{Chef::Config[:knife][:dir]}"
    item.each do |k, v|
      if "#{k}" == 'accessTime'
         hdfs_list << item['accessTime'].to_s
      elsif "#{k}" == 'blockSize'
         hdfs_list << item['blockSize'].to_s
      elsif "#{k}" == 'group'
         hdfs_list << item['group'].to_s
      elsif "#{k}" == 'length'
         hdfs_list << item['length'].to_s
      elsif "#{k}" == 'modificationTime'
         hdfs_list << item['modificationTime'].to_s
      elsif "#{k}" == 'owner'
         hdfs_list << item['owner'].to_s
      elsif "#{k}" == 'pathSuffix'
         hdfs_list << item['pathSuffix'].to_s
      elsif "#{k}" == 'permission'
         hdfs_list << item['permission'].to_s
      elsif "#{k}" == 'replication'
         hdfs_list << item['replication'].to_s
      elsif "#{k}" == 'type'
         hdfs_list << item['type'].to_s
      else
        ui.error ("WebHDFS is not responding. Please debug")
      end
    end 
  end
  puts ui.list(hdfs_list, :uneven_columns_across, 11)
end