文件操作 - ttl_setting.rb

文件: /opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/settings/ttl_setting.rb

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# frozen_string_literal: true

# A setting that represents a span of time to live, and evaluates to Numeric
# seconds to live where 0 means shortest possible time to live, a positive numeric value means time
# to live in seconds, and the symbolic entry 'unlimited' is an infinite amount of time.
#
class Puppet::Settings::TTLSetting < Puppet::Settings::BaseSetting
  # How we convert from various units to seconds.
  UNITMAP = {
    # 365 days isn't technically a year, but is sufficient for most purposes
    "y" => 365 * 24 * 60 * 60,
    "d" => 24 * 60 * 60,
    "h" => 60 * 60,
    "m" => 60,
    "s" => 1
  }

# A regex describing valid formats with groups for capturing the value and units
  FORMAT = /^(\d+)(y|d|h|m|s)?$/

def type
    :ttl
  end

# Convert the value to Numeric, parsing numeric string with units if necessary.
  def munge(value)
    self.class.munge(value, @name)
  end

def print(value)
    val = munge(value)
    val == Float::INFINITY ? 'unlimited' : val
  end

# Convert the value to Numeric, parsing numeric string with units if necessary.
  def self.munge(value, param_name)
    if value.is_a?(Numeric)
      if value < 0
        raise Puppet::Settings::ValidationError, _("Invalid negative 'time to live' %{value} - did you mean 'unlimited'?") % { value: value.inspect }
      end

value

elsif value == 'unlimited'
      Float::INFINITY

elsif value.is_a?(String) and value =~ FORMAT
      ::Regexp.last_match(1).to_i * UNITMAP[::Regexp.last_match(2) || 's']
    else
      raise Puppet::Settings::ValidationError, _("Invalid 'time to live' format '%{value}' for parameter: %{param_name}") % { value: value.inspect, param_name: param_name }
    end
  end
end

文件操作 - ttl_setting.rb

文件: /opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/settings/ttl_setting.rb

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