Class: Bolt::Outputter::Human

Inherits:
Bolt::Outputter show all
Defined in:
lib/bolt/outputter/human.rb

Direct Known Subclasses

Rainbow

Constant Summary collapse

COLORS = 
{
  red:    "31",
  green:  "32",
  yellow: "33",
  cyan:   "36"
}.freeze

Instance Method Summary collapse

Methods inherited from Bolt::Outputter

for_format, #indent, #spin

Constructor Details

#initialize(color, verbose, trace, spin, stream = $stdout) ⇒ Human 



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# File 'lib/bolt/outputter/human.rb', line 17

def initialize(color, verbose, trace, spin, stream = $stdout)
  super
  # Plans and without_default_logging() calls can both be nested, so we
  # track each of them with a "stack" consisting of an integer.
  @plan_depth = 0
  @disable_depth = 0
  @pinwheel = %w[- \\ | /]
end

Instance Method Details

#colorize(color, string) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 26

def colorize(color, string)
  if @color && @stream.isatty
    "\033[#{COLORS[color]}m#{string}\033[0m"
  else
    string
  end
end

#duration_to_string(duration) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 575

def duration_to_string(duration)
  hrs = (duration / 3600).floor
  mins = ((duration % 3600) / 60).floor
  secs = (duration % 60)
  if hrs > 0
    "#{hrs} hr, #{mins} min, #{secs.round} sec"
  elsif mins > 0
    "#{mins} min, #{secs.round} sec"
  else
    # Include 2 decimal places if the duration is under a minute
    "#{secs.round(2)} sec"
  end
end

#enabled? ⇒ Boolean 



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# File 'lib/bolt/outputter/human.rb', line 107

def enabled?
  @disable_depth == 0
end

#fatal_error(err) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 523

def fatal_error(err)
  @stream.puts(colorize(:red, err.message))
  if err.is_a? Bolt::RunFailure
    @stream.puts ::JSON.pretty_generate(err.result_set)
  end

  if @trace && err.backtrace
    err.backtrace.each do |line|
      @stream.puts(colorize(:red, "\t#{line}"))
    end
  end
end

#format_log(log) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 186

def format_log(log)
  color = case log['level']
          when 'warn'
            :yellow
          when 'err'
            :red
          end
  source = "#{log['source']}: " if log['source']
  message = "#{log['level'].capitalize}: #{source}#{log['message']}"
  message = colorize(color, message) if color
  message
end

#format_table(results, padding_left = 0, padding_right = 3) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 276

def format_table(results, padding_left = 0, padding_right = 3)
  # lazy-load expensive gem code
  require 'terminal-table'

  Terminal::Table.new(
    rows: results,
    style: {
      border_x: '',
      border_y: '',
      border_i: '',
      padding_left: padding_left,
      padding_right: padding_right,
      border_top: false,
      border_bottom: false
    }
  )
end

#handle_event(event) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 71

def handle_event(event)
  case event[:type]
  when :enable_default_output
    @disable_depth -= 1
  when :disable_default_output
    @disable_depth += 1
  when :message
    print_message(event[:message])
  end

  if enabled?
    case event[:type]
    when :node_start
      print_start(event[:target]) if @verbose
    when :node_result
      print_result(event[:result]) if @verbose
    when :step_start
      print_step_start(**event) if plan_logging?
    when :step_finish
      print_step_finish(**event) if plan_logging?
    when :plan_start
      print_plan_start(event)
    when :plan_finish
      print_plan_finish(event)
    when :container_start
      print_container_start(event) if plan_logging?
    when :container_finish
      print_container_finish(event) if plan_logging?
    when :start_spin
      start_spin
    when :stop_spin
      stop_spin
    end
  end
end

#plan_logging? ⇒ Boolean 



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# File 'lib/bolt/outputter/human.rb', line 111

def plan_logging?
  @plan_depth > 0
end

#print_action_error(error) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 562

def print_action_error(error)
  # Running everything through 'wrap' messes with newlines. Separating
  # into lines and wrapping each individually ensures separate errors are
  # distinguishable.
  first, *remaining = error.lines
  first = colorize(:red, indent(2, "→ #{wrap(first, 76)}"))
  wrapped = remaining.map { |l| wrap(l) }
  to_print = wrapped.map { |line| colorize(:red, indent(4, line)) }
  step = [first, *to_print, "\n"].join

  @stream.puts(step)
end

#print_action_step(step) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 552

def print_action_step(step)
  first, *remaining = wrap(step, 76).lines

  first     = indent(2, "→ #{first}")
  remaining = remaining.map { |line| indent(4, line) }
  step      = [first, *remaining, "\n"].join

  @stream.puts(step)
end

#print_apply_result(apply_result, elapsed_time) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 487

def print_apply_result(apply_result, elapsed_time)
  print_summary(apply_result, elapsed_time)
end

#print_container_finish(event) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 219

def print_container_finish(event)
  result = if event[:result].is_a?(Bolt::ContainerFailure)
             event[:result].result
           else
             event[:result]
           end

  if result.success?
    @stream.puts(colorize(:green, "Finished: run container '#{result.object}' succeeded."))
  else
    @stream.puts(colorize(:red, "Finished: run container '#{result.object}' failed."))
  end
  print_container_result(result) if @verbose
end

#print_container_result(result) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 119

def print_container_result(result)
  if result.success?
    @stream.puts(colorize(:green, "Finished running container #{result.object}:"))
  else
    @stream.puts(colorize(:red, "Failed running container #{result.object}:"))
  end

  if result.error_hash
    @stream.puts(colorize(:red, remove_trail(indent(2, result.error_hash['msg']))))
    return 0
  end

  # Only print results if there's something other than empty string and hash
  safe_value = result.safe_value
  if safe_value['stdout'].strip.empty? && safe_value['stderr'].strip.empty?
    @stream.puts(indent(2, "Running container #{result.object} completed successfully with no result"))
  else
    unless safe_value['stdout'].strip && safe_value['stdout'].strip.empty?
      @stream.puts(indent(2, "STDOUT:"))
      @stream.puts(indent(4, safe_value['stdout']))
    end
    unless safe_value['stderr'].strip.empty?
      @stream.puts(indent(2, "STDERR:"))
      @stream.puts(indent(4, safe_value['stderr']))
    end
  end
end

#print_container_start(image:, **_kwargs) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 215

def print_container_start(image:, **_kwargs)
  @stream.puts(colorize(:green, "Starting: run container '#{image}'"))
end

#print_error(message) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 540

def print_error(message)
  @stream.puts(colorize(:red, message))
end

#print_groups(groups) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 480

def print_groups(groups)
  count = "#{groups.count} group#{'s' unless groups.count == 1}"
  @stream.puts groups.join("\n")
  @stream.puts colorize(:green, count)
end

#print_guide(guide, _topic) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 416

def print_guide(guide, _topic)
  @stream.puts(guide)
end

#print_head ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 15

def print_head; end

#print_message(message) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 536

def print_message(message)
  @stream.puts(message)
end

#print_module_list(module_list) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 420

def print_module_list(module_list)
  module_list.each do |path, modules|
    if (mod = modules.find { |m| m[:internal_module_group] })
      @stream.puts(colorize(:cyan, mod[:internal_module_group]))
    else
      @stream.puts(colorize(:cyan, path))
    end

    if modules.empty?
      @stream.puts('(no modules installed)')
    else
      module_info = modules.map do |m|
        version = if m[:version].nil?
                    m[:internal_module_group].nil? ? '(no metadata)' : '(built-in)'
                  else
                    m[:version]
                  end

        [m[:name], version]
      end

      @stream.puts format_table(module_info, 2, 1)
    end

    @stream.write("\n")
  end
end

#print_plan_finish(event) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 244

def print_plan_finish(event)
  @plan_depth -= 1
  plan = event[:plan]
  duration = event[:duration]
  @stream.puts(colorize(:green, "Finished: plan #{plan} in #{duration_to_string(duration)}"))
end

#print_plan_info(plan) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 357

def print_plan_info(plan)
  # Building lots of strings...
  pretty_params = +""
  plan_info = +""
  usage = if Bolt::Util.powershell?
            +"Invoke-BoltPlan -Name #{plan['name']}"
          else
            +"bolt plan run #{plan['name']}"
          end

  plan['parameters'].each do |name, p|
    pretty_params << "- #{name}: #{p['type']}\n"
    pretty_params << "    Default: #{p['default_value']}\n" unless p['default_value'].nil?
    pretty_params << "    #{p['description']}\n" if p['description']
    usage << (p.include?('default_value') ? " [#{name}=<value>]" : " #{name}=<value>")
  end

  plan_info << "\n#{plan['name']}"
  plan_info << " - #{plan['description']}" if plan['description']
  plan_info << "\n\n"
  plan_info << "USAGE:\n#{usage}\n\n"
  plan_info << "PARAMETERS:\n#{pretty_params}\n" unless plan['parameters'].empty?
  plan_info << "MODULE:\n"

  path = plan['module']
  plan_info << if path.start_with?(Bolt::Config::Modulepath::MODULES_PATH)
                 "built-in module"
               else
                 path
               end
  @stream.puts(plan_info)
end

#print_plan_result(plan_result) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 492

def print_plan_result(plan_result)
  value = plan_result.value
  case value
  when nil
    @stream.puts("Plan completed successfully with no result")
  when Bolt::ApplyFailure, Bolt::RunFailure
    print_result_set(value.result_set)
  when Bolt::ContainerResult
    print_container_result(value)
  when Bolt::ContainerFailure
    print_container_result(value.result)
  when Bolt::ResultSet
    print_result_set(value)
  else
    @stream.puts(::JSON.pretty_generate(plan_result, quirks_mode: true))
  end
end

#print_plan_start(event) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 234

def print_plan_start(event)
  @plan_depth += 1
  # We use this event to both mark the start of a plan _and_ to enable
  # plan logging for `apply`, so only log the message if we were called
  # with a plan
  if event[:plan]
    @stream.puts(colorize(:green, "Starting: plan #{event[:plan]}"))
  end
end

#print_plans(plans, modulepath) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 390

def print_plans(plans, modulepath)
  command = Bolt::Util.powershell? ? 'Get-BoltPlan -Name <PLAN NAME>' : 'bolt plan show <PLAN NAME>'

  plans = plans.map do |name, description|
    description = truncate(description, 72)
    [name, description]
  end

  @stream.puts colorize(:cyan, 'Plans')
  @stream.puts plans.any? ? format_table(plans, 2) : indent(2, 'No available plans')
  @stream.puts

  @stream.puts colorize(:cyan, 'Modulepath')
  @stream.puts indent(2, modulepath.join(File::PATH_SEPARATOR))
  @stream.puts

  @stream.puts colorize(:cyan, 'Additional information')
  @stream.puts indent(2, "Use '#{command}' to view details and parameters for a specific plan.")
end

#print_prompt(prompt) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 544

def print_prompt(prompt)
  @stream.print(colorize(:cyan, indent(4, prompt)))
end

#print_prompt_error(message) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 548

def print_prompt_error(message)
  @stream.puts(colorize(:red, indent(4, message)))
end

#print_puppetfile_result(success, puppetfile, moduledir) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 515

def print_puppetfile_result(success, puppetfile, moduledir)
  if success
    @stream.puts("Successfully synced modules from #{puppetfile} to #{moduledir}")
  else
    @stream.puts(colorize(:red, "Failed to sync modules from #{puppetfile} to #{moduledir}"))
  end
end

#print_result(result) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 147

def print_result(result)
  if result.success?
    @stream.puts(colorize(:green, "Finished on #{result.target.safe_name}:"))
  else
    @stream.puts(colorize(:red, "Failed on #{result.target.safe_name}:"))
  end

  if result.error_hash
    @stream.puts(colorize(:red, remove_trail(indent(2, result.error_hash['msg']))))
  end

  if result.is_a?(Bolt::ApplyResult) && @verbose
    result.resource_logs.each do |log|
      # Omit low-level info/debug messages
      next if %w[info debug].include?(log['level'])
      message = format_log(log)
      @stream.puts(indent(2, message))
    end
  end

  # Only print results if there's something other than empty string and hash
  if result.value.empty? || (result.value.keys == ['_output'] && !result.message?)
    @stream.puts(indent(2, "#{result.action.capitalize} completed successfully with no result"))
  else
    # Only print messages that have something other than whitespace
    if result.message?
      @stream.puts(remove_trail(indent(2, result.message)))
    end

    # Use special handling if the result looks like a command or script result
    if result.generic_value.keys == %w[stdout stderr merged_output exit_code]
      safe_value = result.safe_value
      @stream.puts(indent(2, safe_value['merged_output'])) unless safe_value['merged_output'].strip.empty?
    elsif result.generic_value.any?
      @stream.puts(indent(2, ::JSON.pretty_generate(result.generic_value)))
    end
  end
end

#print_result_set(result_set) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 510

def print_result_set(result_set)
  result_set.each { |result| print_result(result) }
  print_summary(result_set)
end

#print_start(target) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 115

def print_start(target)
  @stream.puts(colorize(:green, "Started on #{target.safe_name}..."))
end

#print_step_finish(description:, result:, duration:, **_kwargs) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 208

def print_step_finish(description:, result:, duration:, **_kwargs)
  failures = result.error_set.length
  plural = failures == 1 ? '' : 's'
  message = "Finished: #{description} with #{failures} failure#{plural} in #{duration.round(2)} sec"
  @stream.puts(colorize(:green, message))
end

#print_step_start(description:, targets:, **_kwargs) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 199

def print_step_start(description:, targets:, **_kwargs)
  target_str = if targets.length > 5
                 "#{targets.count} targets"
               else
                 targets.map(&:safe_name).join(', ')
               end
  @stream.puts(colorize(:green, "Starting: #{description} on #{target_str}"))
end

#print_summary(results, elapsed_time = nil) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 251

def print_summary(results, elapsed_time = nil)
  ok_set = results.ok_set
  unless ok_set.empty?
    @stream.puts format('Successful on %<size>d target%<plural>s: %<names>s',
                        size: ok_set.size,
                        plural: ok_set.size == 1 ? '' : 's',
                        names: ok_set.targets.map(&:safe_name).join(','))
  end

  error_set = results.error_set
  unless error_set.empty?
    @stream.puts colorize(:red,
                          format('Failed on %<size>d target%<plural>s: %<names>s',
                                 size: error_set.size,
                                 plural: error_set.size == 1 ? '' : 's',
                                 names: error_set.targets.map(&:safe_name).join(',')))
  end

  total_msg = format('Ran on %<size>d target%<plural>s',
                     size: results.size,
                     plural: results.size == 1 ? '' : 's')
  total_msg << " in #{duration_to_string(elapsed_time)}" unless elapsed_time.nil?
  @stream.puts total_msg
end

#print_target_info(targets) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 472

def print_target_info(targets)
  @stream.puts ::JSON.pretty_generate(
    targets: targets.map(&:detail)
  )
  count = "#{targets.count} target#{'s' unless targets.count == 1}"
  @stream.puts colorize(:green, count)
end

#print_targets(target_list, inventoryfile) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 448

def print_targets(target_list, inventoryfile)
  adhoc = colorize(:yellow, "(Not found in inventory file)")

  targets  = []
  targets += target_list[:inventory].map { |target| [target.name, nil] }
  targets += target_list[:adhoc].map { |target| [target.name, adhoc] }

  if targets.any?
    @stream.puts format_table(targets, 0, 2)
    @stream.puts
  end

  @stream.puts "INVENTORY FILE:"
  if File.exist?(inventoryfile)
    @stream.puts inventoryfile
  else
    @stream.puts wrap("Tried to load inventory from #{inventoryfile}, but the file does not exist")
  end

  @stream.puts "\nTARGET COUNT:"
  @stream.puts "#{targets.count} total, #{target_list[:inventory].count} from inventory, "\
               "#{target_list[:adhoc].count} adhoc"
end

#print_task_info(task) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 315

def print_task_info(task)
  # Building lots of strings...
  pretty_params = +""
  task_info = +""
  usage = if Bolt::Util.powershell?
            +"Invoke-BoltTask -Name #{task.name} -Targets <targets>"
          else
            +"bolt task run #{task.name} --targets <targets>"
          end

  task.parameters&.each do |k, v|
    pretty_params << "- #{k}: #{v['type'] || 'Any'}\n"
    pretty_params << "    Default: #{v['default'].inspect}\n" if v.key?('default')
    pretty_params << "    #{v['description']}\n" if v['description']
    usage << if v['type']&.start_with?("Optional")
               " [#{k}=<value>]"
             else
               " #{k}=<value>"
             end
  end

  if task.supports_noop
    usage << (Bolt::Util.powershell? ? ' [-Noop]' : ' [--noop]')
  end

  task_info << "\n#{task.name}"
  task_info << " - #{task.description}" if task.description
  task_info << "\n\n"
  task_info << "USAGE:\n#{usage}\n\n"
  task_info << "PARAMETERS:\n#{pretty_params}\n" unless pretty_params.empty?
  task_info << "MODULE:\n"

  path = task.files.first['path'].chomp("/tasks/#{task.files.first['name']}")
  task_info << if path.start_with?(Bolt::Config::Modulepath::MODULES_PATH)
                 "built-in module"
               else
                 path
               end
  @stream.puts(task_info)
end

#print_tasks(tasks, modulepath) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 294

def print_tasks(tasks, modulepath)
  command = Bolt::Util.powershell? ? 'Get-BoltTask -Task <TASK NAME>' : 'bolt task show <TASK NAME>'

  tasks = tasks.map do |name, description|
    description = truncate(description, 72)
    [name, description]
  end

  @stream.puts colorize(:cyan, 'Tasks')
  @stream.puts tasks.any? ? format_table(tasks, 2) : indent(2, 'No available tasks')
  @stream.puts

  @stream.puts colorize(:cyan, 'Modulepath')
  @stream.puts indent(2, modulepath.join(File::PATH_SEPARATOR))
  @stream.puts

  @stream.puts colorize(:cyan, 'Additional information')
  @stream.puts indent(2, "Use '#{command}' to view details and parameters for a specific task.")
end

#print_topics(topics) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 410

def print_topics(topics)
  print_message("Available topics are:")
  print_message(topics.join("\n"))
  print_message("\nUse 'bolt guide <TOPIC>' to view a specific guide.")
end

#remove_trail(string) ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 52

def remove_trail(string)
  string.sub(/\s\z/, '')
end

#start_spin ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 34

def start_spin
  return unless @spin && @stream.isatty && !@spinning
  @spinning = true
  @spin_thread = Thread.new do
    loop do
      sleep(0.1)
      @stream.print(colorize(:cyan, @pinwheel.rotate!.first + "\b"))
    end
  end
end

#stop_spin ⇒ Object 



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# File 'lib/bolt/outputter/human.rb', line 45

def stop_spin
  return unless @spin && @stream.isatty && @spinning
  @spinning = false
  @spin_thread.terminate
  @stream.print("\b")
end

#truncate(string, width = 80) ⇒ Object

Trims a string to a specified width, adding an ellipsis if it’s longer.



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# File 'lib/bolt/outputter/human.rb', line 66

def truncate(string, width = 80)
  return string unless string.is_a?(String) && string.length > width
  string.lines.first[0...width].gsub(/\s\w+\s*$/, '...')
end

#wrap(string, width = 80) ⇒ Object

Wraps a string to the specified width. Lines only wrap at whitespace.



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# File 'lib/bolt/outputter/human.rb', line 59

def wrap(string, width = 80)
  return string unless string.is_a?(String)
  string.gsub(/(.{1,#{width}})(\s+|\Z)/, "\\1\n")
end