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

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module Shell
  module Commands
    # List live region servers
    class ListLiveservers < Command
      def help
        <<~EOF
           List all live region servers in hbase
           Examples:
           hbase> list_liveservers
        EOF
      end

      def command
        formatter.header(['SERVERNAME'])

        servers = admin.list_liveservers
        servers.each do |server|
          formatter.row([server.toString])
        end

        formatter.footer(servers.size)
      end
    end
  end
end