website/www: 1.4 release announcement for tomorrow
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Mitchell Hashimoto
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page_title: "Vagrant 1.4"
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title: "Vagrant 1.4"
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author: Mitchell Hashimoto
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author_url: https://github.com/mitchellh
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---
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Vagrant 1.4 has been released! This is a major new release of Vagrant
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with an incredible amount of new features, improvements, and bug fixes.
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First, I have to thank the new core committers of Vagrant for building
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many of the incredible features and improvements that made it into this release:
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[Fabio Rehm](https://github.com/fgrehm),
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[Paul Hinze](https://github.com/phinze),
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and [Teemu Matilainen](https://github.com/tmatilai).
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Vagrant 1.4 introduces no Vagrantfile backwards incompatibilities so
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it can be considered a drop-in upgrade for prior versions. Vagrant environments
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also do not need to be destroyed prior to upgrading.
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There are a huge number of new features introduces in Vagrant 1.4,
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and this blog post will attempt to cover the major ones. For all changes
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see the [changelog](https://github.com/mitchellh/vagrant/blob/v1.4.0/CHANGELOG.md).
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This blog post will cover:
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* [Docker provisioner](/blog/vagrant-1-4.html#docker)
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* [Machine-readable output](/blog/vagrant-1-4.html#machine-readable)
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* [Enforcing a Vagrant version from your Vagrantfile](/blog/vagrant-1-4.html#vagrant-version)
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* [Synced folder plugins](/blog/vagrant-1-4.html#synced-folder-plugins)
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* [Minor improvements](/blog/vagrant-1-4.html#minor-improvements)
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And we'll conclude by talking about
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[plans for Vagrant 1.5 and beyond](/blog/vagrant-1-4.html#vagrant-1-5).
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READMORE
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<a id="docker"></a>
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### Docker Provisioner
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Vagrant 1.4 introduces a [Docker provisioner](http://docs.vagrantup.com/v2/provisioning/docker.html)
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to automatically install Docker, pull Docker containers, and configure
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certain containers to run on boot.
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As with all provisioners, the Docker provisioner can be used along with
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all the other provisioners Vagrant has in order to setup your working
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environment the best way possible. For example, perhaps you use Puppet to
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install services like databases or web servers but use Docker to house
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your application runtime. You can use the Puppet provisioner along
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with the Docker provisioner.
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See the documentation for usage examples and a complete option reference.
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<a id="machine-readable"></a>
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### Machine-Readable Output
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Vagrant now has [machine-readable output](http://docs.vagrantup.com/v2/cli/machine-readable.html) for a handful of commands. The machine-readable output makes it much
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easier to script Vagrant usage.
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Note that not very many features of Vagrant output useful machine-readable
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information yet. This is just the first version with this feature and we
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plan to add more information as it is requested. If you'd like some
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data in the machine-readable output, please open an issue on the
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Vagrant GitHub project requesting it!
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<a id="vagrant-version"></a>
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### Enforcing a Vagrant Version
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You now use the `Vagrant.require_version` helper in your Vagrantfiles
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to enforce that only certain versions of Vagrant be used to run that
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environment.
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This helps avoid unexpected surprises with backwards incompatibilities
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or plugin incompatibilities with your Vagrantfiles. The version
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constraints that can be specified are very powerful and easy to use.
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See the [documentation for more information](http://docs.vagrantup.com/v2/vagrantfile/vagrant_version.html).
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<a id="synced-folder-plugins"></a>
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### Synced Folder Plugins
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Synced folder implementations can now be implemented as standalone
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plugins. For example, NFS synced folders are implemented as a
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[plugin within the core of Vagrant](https://github.com/mitchellh/vagrant/tree/master/plugins/synced_folders).
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The ability to create new synced folder implementations opens the
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door to very easily try new techniques for faster file syncing
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to and from the guest environment, or more appropriate file syncing
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mechanisms.
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Some new synced folder implementations are already in the works:
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rsync, scp, NFS client (host is the client), etc.
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Writing synced folder plugins is not yet documented, since the plugin
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development documentation is undergoing a large revamp at the moment.
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See the core of Vagrant for examples (such as NFS).
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<a id="minor-improvements"></a>
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### Minor Improvements
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In addition to all the features above, there are many more features
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as well as many more minor improvements made to Vagrant. This section
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documents just a handful.
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**Box downloading will resume if interrupted** rather than starting
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from scratch. This should help in cases where internet is not reliable
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and you're downloading large boxes.
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**Box checksums** can be provided both in the Vagrantfile and on the
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command-line when adding boxes. Vagrant will verify the checksum with the
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downloaded contents.
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**NFS on VirtualBox no longer requires a static IP** and now works
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with private networks using DHCP, as well.
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**Running multiple "vagrant up" commands in parallel with VirtualBox**
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is now safe. This is a boon for CI or automated environments.
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**Multiple SSH keys** can be specified in your Vagrantfile, allowing
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you to replace the insecure Vagrant key with a more secure key during
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provisioning.
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And so much more. See the complete
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[changelog](https://github.com/mitchellh/vagrant/blob/v1.4.0/CHANGELOG.md)
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for the full list.
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<a id="vagrant-1-5"></a>
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### Vagrant 1.5 and Beyond
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There are some big plans for the future of Vagrant. Work on Vagrant 1.5
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will begin right away and we have some great things planned.
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Without giving away specific features, our areas of focus will be
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box versioning, Windows guests, more features that plugins can hook into,
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more synced folder implementations, more features for provisioners (such
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as Chef installing itself).
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Beyond that, it is time to start shipping more providers out of the
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box with Vagrant. Work will begin on pulling the Vagrant AWS integration
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into the core distribution -- to start -- so that you can use Vagrant with
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AWS (and other providers) right after installing it and without having
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to juggle plugin versions.
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Onwards and upwards towards Vagrant 2.0.
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@ -7,6 +7,8 @@
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&.blog-landing, &.blog-post {
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article {
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margin-bottom: 30px;
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.meta {
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font-size: 16px;
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}
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@ -17,6 +19,27 @@
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margin-top: 2px;
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text-transform: none;
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}
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h3 {
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color: #476576;
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font-size: 32px;
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font-weight: bold;
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border-bottom: 1px solid #476576;
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padding-bottom: 15px;
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margin-bottom: 20px;
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margin-top: 20px;
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}
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li a {
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color: @docs-blue;
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text-decoration: none;
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border-bottom: 1px solid @docs-blue;
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&:hover {
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color: darken(@blue, 10%);
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border-bottom: 1px solid darken(@blue, 10%);
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}
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}
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}
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}
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