Class: JDCConsole

Inherits:
JDCTunnel show all
Defined in:
lib/console/console.rb

Constant Summary

Constants inherited from JDCTunnel

JDCTunnel::HELPER_APP, JDCTunnel::HELPER_NAME, JDCTunnel::HELPER_VERSION, JDCTunnel::PORT_RANGE

Instance Method Summary collapse

Methods inherited from JDCTunnel

#open!, #pick_port!, #wait_for_end, #wait_for_start

Constructor Details

#initialize(client, app, port = 10000) ⇒ JDCConsole

Returns a new instance of JDCConsole.



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# File 'lib/console/console.rb', line 7

def initialize(client, app, port = 10000)
  @client = client
  @app = app
  @port = port
end

Instance Method Details

#get_connection_info(auth) ⇒ Object 



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# File 'lib/console/console.rb', line 13

def get_connection_info(auth)
  instances = @app.instances
  if instances.empty?
    raise "App has no running instances; try starting it."
  end

  unless console = instances[0].console
    raise "App does not have console access; try restarting it."
  end

  { "hostname" => console[:ip],
    "port" => console[:port]
  }
end

#get_credentials ⇒ Object 



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# File 'lib/console/console.rb', line 28

def get_credentials
  YAML.load(@app.file("app", "jdc-rails-console", ".consoleaccess"))
end

#login(auth = get_credentials) ⇒ Object 



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# File 'lib/console/console.rb', line 40

def (auth = get_credentials)
  if !auth["username"] || !auth["password"]
    raise "Unable to verify console credentials."
  end

  @telnet = telnet_client

  prompt = nil
  err_msg = "Login attempt timed out."

  5.times do
    begin
      results = @telnet.(
        "Name" => auth["username"],
        "Password" => auth["password"])

      lines = results.sub("Login: Password: ", "").split("\n")

      last_line = lines.pop

      if last_line =~ /[$%#>] \z/n
        prompt = last_line
      elsif last_line =~ /Login failed/
        err_msg = last_line
      end

      break

    rescue TimeoutError
      sleep 1

    rescue EOFError
      # This may happen if we login right after app starts
      close_console
      sleep 5
      @telnet = telnet_client
    end
  end

  unless prompt
    close_console
    raise err_msg
  end

  prompt
end

#start_console ⇒ Object 



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# File 'lib/console/console.rb', line 32

def start_console
  prompt = 

  init_readline

  run_console prompt
end