Vagrant: Rsync error on Windows

Created on 11 May 2016  ยท  5Comments  ยท  Source: hashicorp/vagrant

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Vagrant version

Vagrant 1.8.1

Host operating system

Windows 7 SP1 x64

Guest operating system

Centos 7

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

# All Vagrant configuration is done below. The "2" in Vagrant.configure
# configures the configuration version (we support older styles for
# backwards compatibility). Please don't change it unless you know what
# you're doing.
Vagrant.configure(2) do |config|
  # The most common configuration options are documented and commented below.
  # For a complete reference, please see the online documentation at
  # https://docs.vagrantup.com.

  # Every Vagrant development environment requires a box. You can search for
  # boxes at https://atlas.hashicorp.com/search.
  config.vm.box = "centos/7"

  # Disable automatic box update checking. If you disable this, then
  # boxes will only be checked for updates when the user runs
  # `vagrant box outdated`. This is not recommended.
  # config.vm.box_check_update = false

  # Create a forwarded port mapping which allows access to a specific port
  # within the machine from a port on the host machine. In the example below,
  # accessing "localhost:8080" will access port 80 on the guest machine.
  # config.vm.network "forwarded_port", guest: 80, host: 8080

  # Create a private network, which allows host-only access to the machine
  # using a specific IP.
  # config.vm.network "private_network", ip: "192.168.33.10"

  # Create a public network, which generally matched to bridged network.
  # Bridged networks make the machine appear as another physical device on
  # your network.
  # config.vm.network "public_network"

  # Share an additional folder to the guest VM. The first argument is
  # the path on the host to the actual folder. The second argument is
  # the path on the guest to mount the folder. And the optional third
  # argument is a set of non-required options.
  # config.vm.synced_folder "../data", "/vagrant_data"

  # Provider-specific configuration so you can fine-tune various
  # backing providers for Vagrant. These expose provider-specific options.
  # Example for VirtualBox:
  #
  # config.vm.provider "virtualbox" do |vb|
  #   # Display the VirtualBox GUI when booting the machine
  #   vb.gui = true
  #
  #   # Customize the amount of memory on the VM:
  #   vb.memory = "1024"
  # end
  #
  # View the documentation for the provider you are using for more
  # information on available options.

  # Define a Vagrant Push strategy for pushing to Atlas. Other push strategies
  # such as FTP and Heroku are also available. See the documentation at
  # https://docs.vagrantup.com/v2/push/atlas.html for more information.
  # config.push.define "atlas" do |push|
  #   push.app = "YOUR_ATLAS_USERNAME/YOUR_APPLICATION_NAME"
  # end

  # Enable provisioning with a shell script. Additional provisioners such as
  # Puppet, Chef, Ansible, Salt, and Docker are also available. Please see the
  # documentation for more information about their specific syntax and use.
  # config.vm.provision "shell", inline: <<-SHELL
  #   sudo apt-get update
  #   sudo apt-get install -y apache2
  # SHELL
end

Please note, if you are using Homestead or a different Vagrantfile format, we
may be unable to assist with your issue. Try to reproduce the issue using a
vanilla Vagrantfile first.

Debug output

https://gist.github.com/wheelerlaw/3bb2d0c5069137cc95256d8b76b33047

Expected behavior

The error not show up.

Actual behavior

The error showed up.

Steps to reproduce

  1. vagrant init centos/7
  2. vagrant up
    3.

    References

none

bug hoswindows synced-folderrsync

Most helpful comment

I've run into this same error, and after some research determined that it's because Cygwin ssh/rsync doesn't support the 'ControlMaster' functionality that Vagrant is trying to use.
https://bugzilla.mindrot.org/show_bug.cgi?id=1278

For the time being I worked around it by commenting out three lines in plugins\synced_folders\rsync\helper.rb:

        # Create the path for the control sockets. We used to do this
        # in the machine data dir but this can result in paths that are
        # too long for unix domain sockets.
        controlpath = File.join(Dir.tmpdir, "ssh.#{rand(1000)}")

        rsh = [
          "ssh -p #{ssh_info[:port]} " +
          proxy_command +
          #"-o ControlMaster=auto " +
          #"-o ControlPath=#{controlpath} " +
          #"-o ControlPersist=10m " +
          "-o StrictHostKeyChecking=no " +
          "-o IdentitiesOnly=true " +
          "-o UserKnownHostsFile=/dev/null",
          ssh_info[:private_key_path].map { |p| "-i '#{p}'" },
        ].flatten.join(" ")

All 5 comments

I've run into this same error, and after some research determined that it's because Cygwin ssh/rsync doesn't support the 'ControlMaster' functionality that Vagrant is trying to use.
https://bugzilla.mindrot.org/show_bug.cgi?id=1278

For the time being I worked around it by commenting out three lines in plugins\synced_folders\rsync\helper.rb:

        # Create the path for the control sockets. We used to do this
        # in the machine data dir but this can result in paths that are
        # too long for unix domain sockets.
        controlpath = File.join(Dir.tmpdir, "ssh.#{rand(1000)}")

        rsh = [
          "ssh -p #{ssh_info[:port]} " +
          proxy_command +
          #"-o ControlMaster=auto " +
          #"-o ControlPath=#{controlpath} " +
          #"-o ControlPersist=10m " +
          "-o StrictHostKeyChecking=no " +
          "-o IdentitiesOnly=true " +
          "-o UserKnownHostsFile=/dev/null",
          ssh_info[:private_key_path].map { |p| "-i '#{p}'" },
        ].flatten.join(" ")

This error shows up in Vagrant 1.8.4 too, by the way.

Hi there,

It looks like this has been resolved within a previously shipped version of Vagrant so I am now closing this issue. If the original issue was not fully resolved, please reopen this issue or create a new one.

Cheers!

I'm going to lock this issue because it has been closed for _30 days_ โณ. This helps our maintainers find and focus on the active issues.

If you have found a problem that seems similar to this, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.

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