Class: Chef::Knife::HadoopHdfsSnapshot

Inherits:
Chef::Knife show all
Includes:
HadoopBase
Defined in:
lib/chef/knife/hadoop_hdfs_snapshot.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_snapshot.rb', line 46

def run
  $stdout.sync = true
  dataset = db_connection.from("#{Chef::Config[:knife][:table]}")
  list = hdfs_connection.list("#{Chef::Config[:knife][:dir]}")
  list.each do |item|
    item.each do |k, v|
      if "#{k}" == 'accessTime'
        @accessTime = item['accessTime']
      elsif "#{k}" == 'blockSize'
        @blockSize = item['blockSize']
      elsif "#{k}" == 'group'
        @group = item['group']
      elsif "#{k}" == 'length'
        @length = item['length']
      elsif "#{k}" == 'modificationTime'
        @modificationTime = item['modificationTime']
      elsif "#{k}" == 'owner'
        @owner = item['owner']
      elsif "#{k}" == 'pathSuffix'
        @pathSuffix = item['pathSuffix']
      elsif "#{k}" == 'permission'
        @permission = item['permission']
      elsif "#{k}" == 'replication'
        @replication = item['replication']
      elsif "#{k}" == 'type'
        @type = item['type']
      else
        puts "Cannot read key value pairs. Please debug"
      end
    end

    db_connection.transaction do
          dataset.insert(
            :directory => "#{Chef::Config[:knife][:dir]}",
            :accessTime => "#{@accessTime}",
            :blockSize =>  "#{@blockSize}",
            :group =>  "#{@group}",
            :length =>  "#{@length}",
            :modificationTime =>  "#{@modificationTime}",
            :owner =>  "#{@owner}",
            :pathSuffix =>  "#{@pathSuffix}",
            :permission =>  "#{@permission}",
            :replication => "#{@replication}",
            :type =>  "#{@type}",
            :created_at => @created_at = Time.now
            ) 
    end      
  end
  ui.msg ("Created snapshot in #{Chef::Config[:knife][:table]} at #{@created_at}")         
end