Class: VagrantPlugins::Vocker::Command

Inherits:
Object
  • Object
show all
Defined in:
lib/vocker/command.rb

Constant Summary collapse

DOCKER_COMMANDS = 
%w(
  attach build commit diff events export history images import info
  insert inspect kill login logs port top ps pull push restart rm
  rmi run search start stop tag version wait
)

Instance Method Summary collapse

Instance Method Details

#execute ⇒ Object 



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# File 'lib/vocker/command.rb', line 9

def execute
  opts = OptionParser.new do |o|
    o.banner = "Usage: vagrant docker [vm-name] COMMAND [ARGS]"
    o.separator ""
    o.separator "COMMAND can be any of #{DOCKER_COMMANDS.join(', ')}"
    o.separator ""
  end

  # Parse out docker commands
  options = {}
  command_index = @argv.index{|cmd| DOCKER_COMMANDS.include? cmd}
  if command_index
    options[:command] = @argv.drop(command_index)
    @argv             = @argv.take(command_index)
  end

  # Parse the options and return if we don't have any target.
  argv = parse_options(opts)
  return if !argv

  # Execute the actual Docker command
  # TODO: Make it work with multiple VMs
  with_target_vms(argv, :single_target => true) do |vm|
    # FIXME: - Check if docker is running first
    #        - Handle empty command

    @logger.debug("Executing docker command on remote machine: #{options[:command]}")
    env = vm.action(:ssh_run, :ssh_run_command => "sudo docker #{options[:command].join(' ')}")

    # Exit with the exit status of the command or a 0 if we didn't
    # get one.
    exit_status = env[:ssh_run_exit_status] || 0
    return exit_status
  end
end