Class: Bwrap::Args::MachineId

Inherits:
Object
  • Object
show all
Includes:
Output
Defined in:
lib/bwrap/args/machine_id.rb

Overview

Calculate machine id data.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Output

debug?, debug_output, error_output, handle_output_options, info_output, quiet?, trace?, trace_output, verb_output, verbose?, warn_output

Instance Attribute Details

#config=(value) ⇒ Object (writeonly)

Instance of Config.



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# File 'lib/bwrap/args/machine_id.rb', line 14

def config=(value)
  @config = value
end

Instance Method Details

#cleanup ⇒ Object

Removes opened temporary machine id file.

Can be called safely even if no file is opened.



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# File 'lib/bwrap/args/machine_id.rb', line 46

def cleanup
  @machine_id_file&.unlink
end

#machine_id ⇒ Object

machine_id == :random

Generates random machine id for each launch and sets it as /etc/machine_id.

machine_id == :dummy

Uses 10000000000000000000000000000000 as dummy machine id and sets it as /etc/machine_id.

machine_id == true

A file from `#{sandbox_directory}/machine_id` is bound as /etc/machine_id.

machine_id.is_a? String

Given file as bound as /etc/machine_id.



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# File 'lib/bwrap/args/machine_id.rb', line 24

def machine_id
  # Returning [] means that execute() will ignore this fully.
  # Nil would be converted to empty string, causing spawn() to pass it as argument, causing
  # bwrap to misbehave.
  return unless @config&.machine_id

  machine_id = @config.machine_id

  if machine_id == :random
    random_machine_id
  elsif machine_id == :dummy
    dummy_machine_id
  elsif machine_id == true
    machine_id_inside_sandbox_dir @config.sandbox_directory
  elsif machine_id.is_a? String
    string_machine_id machine_id
  end
end