module SSHKit::Sudo::Backend::Netssh

Private Instance Methods

execute_command!(cmd) click to toggle source
# File lib/sshkit/sudo/backends/netssh.rb, line 6
def execute_command!(cmd)
  output.log_command_start(cmd)
  cmd.started = true
  exit_status = nil
  with_ssh do |ssh|
    ssh.open_channel do |chan|
      chan.request_pty
      chan.exec cmd.to_command do |_ch, _success|
        chan.on_data do |ch, data|
          cmd.on_stdout(ch, data)
          output.log_command_data(cmd, :stdout, data)
        end
        chan.on_extended_data do |ch, _type, data|
          cmd.on_stderr(ch, data)
          output.log_command_data(cmd, :stderr, data)
        end
        chan.on_request("exit-status") do |_ch, data|
          exit_status = data.read_long
        end
        #chan.on_request("exit-signal") do |ch, data|
        #  # TODO: This gets called if the program is killed by a signal
        #  # might also be a worthwhile thing to report
        #  exit_signal = data.read_string.to_i
        #  warn ">>> " + exit_signal.inspect
        #  output.log_command_killed(cmd, exit_signal)
        #end
        chan.on_open_failed do |_ch|
          # TODO: What do do here?
          # I think we should raise something
        end
        chan.on_process do |_ch|
          # TODO: I don't know if this is useful
        end
        chan.on_eof do |_ch|
          # TODO: chan sends EOF before the exit status has been
          # writtend
        end
      end
      chan.wait
    end
    ssh.loop
  end
  # Set exit_status and log the result upon completion
  if exit_status
    cmd.exit_status = exit_status
    output.log_command_exit(cmd)
  end
end