Class: VagrantPlugins::HostManager::HostsFile::Updater

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-hostmanager/hosts_file/updater.rb

Defined Under Namespace

Modules: WindowsSupport

Instance Method Summary collapse

Constructor Details

#initialize(global_env, provider) ⇒ Updater

Returns a new instance of Updater.



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# File 'lib/vagrant-hostmanager/hosts_file/updater.rb', line 9

def initialize(global_env, provider)
  @global_env = global_env
  @config = Util.get_config(@global_env)
  @provider = provider
  @logger = Log4r::Logger.new('vagrant::hostmanager::updater')
  @logger.debug("init updater")
end

Instance Method Details

#update_guest(machine) ⇒ Object 



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# File 'lib/vagrant-hostmanager/hosts_file/updater.rb', line 17

def update_guest(machine)
  return unless machine.communicate.ready?

  if (machine.communicate.test("uname -s | grep SunOS"))
    realhostfile = "/etc/inet/hosts"
    line_endings = "lf"
  elsif (machine.communicate.test("test -d $Env:SystemRoot"))
    windir = ""
    machine.communicate.execute("echo %SYSTEMROOT%", {:shell => :cmd}) do |type, contents|
      windir << contents.gsub("\r\n", '') if type == :stdout
    end
    realhostfile = "#{windir}\\System32\\drivers\\etc\\hosts"
    line_endings = "crlf"
  else
    realhostfile = "/etc/hosts"
    line_endings = "lf"
  end

  # download and modify file with Vagrant-managed entries
  file = @global_env.tmp_path.join("hosts.#{machine.name}")
  machine.communicate.download(realhostfile, file)

  @logger.debug("file is: #{file.to_s}")
  @logger.debug("class of file is: #{file.class}")

  if update_file(file, machine, false, line_endings)
    # upload modified file and remove temporary file
    machine.communicate.upload(file.to_s, "/tmp/hosts.#{machine.name}")
    if windir
      machine.communicate.sudo("mv -force /tmp/hosts.#{machine.name} #{realhostfile}")
    else
      machine.communicate.sudo("cat /tmp/hosts.#{machine.name} > #{realhostfile} && rm /tmp/hosts.#{machine.name}")
    end
  end

end

#update_host ⇒ Object 



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# File 'lib/vagrant-hostmanager/hosts_file/updater.rb', line 54

def update_host
  # copy and modify hosts file on host with Vagrant-managed entries
  file = @global_env.tmp_path.join('hosts.local')

  if WindowsSupport.windows?
    # lazily include windows Module
    class << self
      include WindowsSupport unless include? WindowsSupport
    end
    hosts_location = "#{ENV['WINDIR']}\\System32\\drivers\\etc\\hosts"
    copy_proc = Proc.new { windows_copy_file(file, hosts_location) }
    line_endings = "crlf"
  else
    hosts_location = '/etc/hosts'
    copy_proc = Proc.new { `[ -w #{hosts_location} ] && cat #{file} > #{hosts_location} || sudo cp #{file} #{hosts_location}` }
    line_endings = "lf"
  end

  FileUtils.cp(hosts_location, file)

  if update_file(file, nil, true, line_endings)
    copy_proc.call
  end
end