Class: Zold::Remote

Inherits:
Object
  • Object
show all
Includes:
ThreadBadge
Defined in:
lib/zold/commands/remote.rb

Overview

Remote command

Instance Method Summary collapse

Constructor Details

#initialize(remotes:, farm: Farm::Empty.new, log: Log::NULL) ⇒ Remote

Returns a new instance of Remote.



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# File 'lib/zold/commands/remote.rb', line 50

def initialize(remotes:, farm: Farm::Empty.new, log: Log::NULL)
  @remotes = remotes
  @farm = farm
  @log = log
end

Instance Method Details

#run(args = []) ⇒ Object 



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# File 'lib/zold/commands/remote.rb', line 56

def run(args = [])
  opts = Slop.parse(args, help: true, suppress_errors: true) do |o|
    o.banner = "Usage: zold remote <command> [options]
Available commands:
#{Rainbow('remote show').green}
  Show all registered remote nodes
#{Rainbow('remote clean').green}
  Remove all registered remote nodes
#{Rainbow('remote reset').green}
  Restore it back to the default list of nodes
#{Rainbow('remote masters').green}
  Add all \"master\" nodes to the list
#{Rainbow('remote add').green} host [port]
  Add a new remote node
#{Rainbow('remote remove').green} host [port]
  Remove the remote node
#{Rainbow('remote elect').green}
  Pick a random remote node as a target for a bonus awarding
#{Rainbow('remote trim').green}
  Remove the least reliable nodes
#{Rainbow('remote select [options]').green}
  Select the most reliable N nodes
#{Rainbow('remote update').green}
  Check each registered remote node for availability
Available options:"
    o.integer '--tolerate',
      "Maximum level of errors we are able to tolerate (default: #{Remotes::TOLERANCE})",
      default: Remotes::TOLERANCE
    o.bool '--ignore-score-weakness',
      'Don\'t complain when their score is too weak',
      default: false
    o.bool '--ignore-score-value',
      'Don\'t complain when their score is too small',
      default: false
    o.array '--ignore-node',
      'Ignore this node and never add it to the list',
      default: []
    o.bool '--ignore-if-exists',
      'Ignore the node while adding if it already exists in the list',
      default: false
    o.bool '--ignore-masters',
      'Don\'t elect master nodes, only edges',
      default: false
    o.bool '--masters-too',
      'Give no priviledges to masters, treat them as other nodes',
      default: false
    o.integer '--min-score',
      "The minimum score required for winning the election (default: #{Tax::EXACT_SCORE})",
      default: Tax::EXACT_SCORE
    o.integer '--max-winners',
      'The maximum amount of election winners the election (default: 1)',
      default: 1
    o.integer '--retry',
      'How many times to retry each node before reporting a failure (default: 2)',
      default: 2
    o.bool '--skip-ping',
      'Don\'t ping back the node when adding it (not recommended)',
      default: false
    o.bool '--ignore-ping',
      'Don\'t fail if ping fails, just report the problem in the log',
      default: false
    o.integer '--depth',
      'The amount of update cycles to run, in order to fetch as many nodes as possible (default: 2)',
      default: 2
    o.integer '--threads',
      "How many threads to use for updating, electing, etc. (default: #{[Concurrent.processor_count, 4].min})",
      default: [Concurrent.processor_count, 4].min
    o.string '--network',
      "The name of the network we work in (default: #{Wallet::MAINET})",
      required: true,
      default: Wallet::MAINET
    o.bool '--reboot',
      'Exit if any node reports version higher than we have',
      default: false
    # @todo #292:30min Group options by subcommands
    #  Having all the options in one place _rather than grouping them by subcommands_
    #  makes the help totally misleading and hard to read.
    #  Not all the options are valid for every command - that's the key here.
    #  The option below (`--max-nodes`) is an example.
    #  **Next actions:**
    #  - Implement the suggestion above.
    #  - Remove note from the --max-nodes option saying that it applies to the select
    #  subcommand only.
    o.integer '--max-nodes',
      "Number of nodes to limit to (default: #{Remotes::MAX_NODES})",
      default: Remotes::MAX_NODES
    o.bool '--help', 'Print instructions'
  end
  mine = Args.new(opts, @log).take || return
  command = mine[0]
  raise "A command is required, try 'zold remote --help'" unless command
  case command
  when 'show'
    show
  when 'clean'
    clean
  when 'reset'
    reset(opts)
  when 'masters'
    masters(opts)
  when 'add'
    add(mine[1], mine[2] ? mine[2].to_i : Remotes::PORT, opts)
  when 'remove'
    remove(mine[1], mine[2] ? mine[2].to_i : Remotes::PORT, opts)
  when 'elect'
    elect(opts)
  when 'trim'
    trim(opts)
  when 'update'
    update(opts)
  when 'select'
    select(opts)
  else
    raise "Unknown command '#{command}'"
  end
end