hbase-shell/src/main/ruby/shell/commands/list_decommissioned_regionservers.rb

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module Shell
  module Commands
    # List decommissioned region servers
    class ListDecommissionedRegionservers < Command
      def help
        <<~EOF
  List region servers marked as decommissioned, which can not be assigned regions.
EOF
      end

      def command
        formatter.header(['DECOMMISSIONED REGION SERVERS'])

        list = admin.list_decommissioned_regionservers
        list.each do |server_name|
          formatter.row([server_name.getServerName])
        end

        formatter.footer(list.size)
      end
    end
  end
end