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

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# Retrieve latest balancer decisions maintained in memory by HMaster

module Shell
  module Commands
    # Retrieve latest large log responses
    class GetBalancerDecisions < Command
      def help
        <<-EOF
Retrieve latest balancer decisions made by LoadBalancers.

Examples:

  hbase> get_balancer_decisions                       => Retrieve recent balancer decisions with
                                                         region plans
  hbase> get_balancer_decisions LIMIT => 10           => Retrieve 10 most recent balancer decisions
                                                         with region plans

        EOF
      end

      def command(args = {})
        unless args.is_a? Hash
          raise 'Filter parameters are not Hash'
        end

        balancer_decisions_resp_arr = admin.get_balancer_decisions(args)
        puts 'Retrieved BalancerDecision Responses'
        puts balancer_decisions_resp_arr
      end
    end
  end
end