Class: VagrantPlugins::RsyncOnlyChanged::RsyncOnlyChangedAuto

Inherits:
Object
  • Object
show all
Includes:
Vagrant::Action::Builtin::MixinSyncedFolders
Defined in:
lib/vagrant-rsync-only-changed/command/rsync_auto.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.synopsis ⇒ Object 



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# File 'lib/vagrant-rsync-only-changed/command/rsync_auto.rb', line 28

def self.synopsis
  "syncs rsync synced folders automatically when files change"
end

Instance Method Details

#callback(paths, modified, added, removed) ⇒ Object

This is the callback that is called when any changes happen



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# File 'lib/vagrant-rsync-only-changed/command/rsync_auto.rb', line 155

def callback(paths, modified, added, removed)
  @logger.info("File change callback called!")
  @logger.info("  - Modified: #{modified.inspect}")
  @logger.info("  - Added: #{added.inspect}")
  @logger.info("  - Removed: #{removed.inspect}")

    toSyncPaths = Hash.new
  
  paths.each do |hostpath, folders|
  changed_paths = []
  [modified, added, removed].each do |changed|
    changed.each do |listenpath|
    if listenpath.start_with?(hostpath)
      changed_paths << listenpath
    end
    end
  end

  if changed_paths.any?
    toSyncPaths[folders] = changed_paths
  end
  end
  
  # Sync all the folders that need to be synced

  toSyncPaths.each do |folders, changed_paths|
  folders.each do |opts|
    # Reload so we get the latest ID

    opts[:machine].reload
    if !opts[:machine].id || opts[:machine].id == ""
    # Skip since we can't get SSH info without an ID

    next
    end

    ssh_info = opts[:machine].ssh_info
    begin
    start = Time.now
    VagrantPlugins::RsyncOnlyChanged::RsyncHelper.rsync_single(opts[:machine], ssh_info, opts[:opts], changed_paths)
    finish = Time.now
    @logger.info("Time spent in rsync: #{finish-start} (in seconds)")
    rescue Vagrant::Errors::MachineGuestNotReady
    # Error communicating to the machine, probably a reload or

    # halt is happening. Just notify the user but don't fail out.

    opts[:machine].ui.error(I18n.t(
      "vagrant.rsync_communicator_not_ready_callback"))
    rescue Vagrant::Errors::RSyncError => e
    # Error executing rsync, so show an error

    opts[:machine].ui.error(I18n.t(
      "vagrant.rsync_auto_rsync_error", message: e.to_s))
    end
  end
  end
end

#execute ⇒ Object 



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# File 'lib/vagrant-rsync-only-changed/command/rsync_auto.rb', line 32

def execute
  @logger = Log4r::Logger.new("vagrant::commands::rsync-auto-only-changed")

  options = {}
  opts = OptionParser.new do |o|
  o.banner = "Usage: vagrant rsync-auto-only-changed [vm-name]"
  o.separator ""
  o.separator "Options:"
  o.separator ""

  o.on("--[no-]poll", "Force polling filesystem (slow)") do |poll|
    options[:poll] = poll
  end
  end

  # Parse the options and return if we don't have any target.

  argv = parse_options(opts)
  return if !argv

  # Build up the paths that we need to listen to.

  paths = {}
  ignores = []
  with_target_vms(argv) do |machine|
  if machine.provider.capability?(:proxy_machine)
    proxy = machine.provider.capability(:proxy_machine)
    if proxy
    machine.ui.warn(I18n.t(
      "vagrant.rsync_proxy_machine",
      name: machine.name.to_s,
      provider: machine.provider_name.to_s))

    machine = proxy
    end
  end

  cached = synced_folders(machine, cached: true)
  fresh  = synced_folders(machine)
  diff   = synced_folders_diff(cached, fresh)
  if !diff[:added].empty?
    machine.ui.warn(I18n.t("vagrant.rsync_auto_new_folders"))
  end

  folders = cached[:rsync]
  next if !folders || folders.empty?

  # Get the SSH info for this machine so we can do an initial

  # sync to the VM.

  ssh_info = machine.ssh_info
  if ssh_info
    machine.ui.info(I18n.t("vagrant.rsync_auto_initial"))
    folders.each do |id, folder_opts|
    RsyncHelper.rsync_single(machine, ssh_info, folder_opts)
    end
  end

  folders.each do |id, folder_opts|
    # If we marked this folder to not auto sync, then

    # don't do it.

    next if folder_opts.key?(:auto) && !folder_opts[:auto]

    hostpath = folder_opts[:hostpath]
    hostpath = File.expand_path(hostpath, machine.env.root_path)
    paths[hostpath] ||= []
    paths[hostpath] << {
    id: id,
    machine: machine,
    opts:    folder_opts,
    }

    if folder_opts[:exclude]
    Array(folder_opts[:exclude]).each do |pattern|
      ignores << RsyncHelper.exclude_to_regexp(hostpath, pattern.to_s)
    end
    end
  end
  end

  # Exit immediately if there is nothing to watch

  if paths.empty?
  @env.ui.info(I18n.t("vagrant.rsync_auto_no_paths"))
  return 1
  end

  # Output to the user what paths we'll be watching

  paths.keys.sort.each do |path|
  paths[path].each do |path_opts|
    path_opts[:machine].ui.info(I18n.t(
    "vagrant.rsync_auto_path",
    path: path.to_s,
    ))
  end
  end

  @logger.info("Listening to paths: #{paths.keys.sort.inspect}")
  @logger.info("Ignoring #{ignores.length} paths:")
  ignores.each do |ignore|
  @logger.info("  -- #{ignore.to_s}")
  end
  @logger.info("Listening via: #{Listen::Adapter.select.inspect}")
  callback = method(:callback).to_proc.curry[paths]
  listopts = { ignore: ignores, force_polling: !!options[:poll] }
  listener = Listen.to(*paths.keys, listopts, &callback)

  # Create the callback that lets us know when we've been interrupted

  queue    = Queue.new
  callback = lambda do
  # This needs to execute in another thread because Thread

  # synchronization can't happen in a trap context.

  Thread.new { queue << true }
  end

  # Run the listener in a busy block so that we can cleanly

  # exit once we receive an interrupt.

  Vagrant::Util::Busy.busy(callback) do
  listener.start
  queue.pop
  listener.stop if listener.state != :stopped
  end

  0
end