Class: Flare::Tools::Cli::Remove

Inherits:
SubCommand show all
Includes:
Cli::AskNodeRemove, Cli::ParseHostPortPairs, Operation::NodeRemove, IndexServerConfig, Flare::Tools::Common
Defined in:
lib/flare/tools/cli/remove.rb

Constant Summary

Constants included from Cli::ParseHostPortPairs

Cli::ParseHostPortPairs::Entity

Constants included from IndexServerConfig

IndexServerConfig::Entity, IndexServerConfig::FLARE_INDEX_SERVER, IndexServerConfig::FLARE_INDEX_SERVERS

Constants included from Util::Constant

Util::Constant::DefalutBwlimit, Util::Constant::DefaultIndexServerName, Util::Constant::DefaultIndexServerPort, Util::Constant::DefaultNodePort, Util::Constant::DefaultTimeout, Util::Constant::STATUS_NG, Util::Constant::STATUS_OK

Constants included from Flare::Tools::Common

Flare::Tools::Common::NodeListFormat, Flare::Tools::Common::NodeListHeader

Constants inherited from SubCommand

SubCommand::S_NG, SubCommand::S_OK

Constants included from Util::Interruption

Util::Interruption::InterruptionTargets

Instance Attribute Summary

Attributes included from Option

#optp

Instance Method Summary collapse

Methods included from Operation::NodeRemove

#node_can_remove_safely?, #node_remove

Methods included from Cli::AskNodeRemove

#ask_node_remove

Methods included from Cli::ParseHostPortPairs

#parse_host_port_pairs

Methods included from Util::Logging

#debug, #error, #fatal, #info, logger, #puts, set_logger, #trace, #warn

Methods included from Flare::Tools::Common

#address_of_hostname, #fetch_cluster, #hostname_of_address, #nodekey_of, #string_of_nodelist, #user_confirmed, #wait_for_master_construction, #wait_for_servers, #wait_for_slave_construction

Methods inherited from SubCommand

desc, #execute_subcommand, myname, #myname, to_s, to_sym, usage

Methods included from Util::Interruption

included, #initialize_interruption, #interrupt, #interrupt_, interrupt_all, #interrupted?, #interruptible, #interruptible?

Methods included from Option

#option_init, #parse_options, #set_option_dry_run, #set_option_force, #set_option_global, #set_option_index_server

Constructor Details

#initialize ⇒ Remove

Returns a new instance of Remove.



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# File 'lib/flare/tools/cli/remove.rb', line 36

def initialize
  super
  @retry = 0
end

Instance Method Details

#execute(config, args) ⇒ Object 



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# File 'lib/flare/tools/cli/remove.rb', line 41

def execute(config, args)
  parse_index_server(config, args)
  nodes = parse_host_port_pairs(args)
  unless nodes
    return S_NG
  end

  Flare::Tools::IndexServer.open(config[:index_server_hostname], config[:index_server_port], @timeout) do |s|
    cluster = fetch_cluster(s)

    nodes.each do |node|
      node_stat = cluster.node_stat(node.nodekey)

      unless node_stat
        error "node not found in cluster. (node=#{node})"
        next
      end

      # check status downed & proxy
      unless node_can_remove_safely?(node_stat)
        error "node should role=proxy and state=down. (node=#{node} role=#{node_stat.role} state=#{node_stat.state})"
        return S_NG
      end

      # ask really remove or not
      unless @force || ask_node_remove(node, node_stat)
        return S_NG
      end

      succeeded = node_remove(s, node, @retry, @dry_run)
      unless succeeded
        error "node remove failed. (node=#{node})"
        return S_NG
      end
    end

    # puts node list after nodes removed
    puts ""
    puts string_of_nodelist(s.stats_nodes)

    return S_OK
  end
end

#setup ⇒ Object 



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# File 'lib/flare/tools/cli/remove.rb', line 28

def setup
  super
  set_option_index_server
  set_option_dry_run
  set_option_force
  @optp.on('--retry=COUNT', "retry count(default:#{@retry})") {|v| @retry = v.to_i }
end