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Last pushed: 4 months ago
Short Description
Vagrant-friendly Docker Base Images
Full Description

Vagrant-friendly Docker Base Images

A collection of Vagrant-friendly docker base images + corresponding Vagrant baseboxes. Something inbetween the
official distro base image and puhsion/baseimage,
just enough to make it work with Vagrant.

On top of the official distro base image it includes:

  • the vagrant user (password vagrant) with passwordless sudo enabled
  • the vagrant insecure public key in ~/.ssh/authorized_keys
  • sshd running in the foreground

Vagrant Baseboxes

The intended use of the Vagrant-friendly docker base images is to use them as a basebox in your Vagrantfile. These baseboxes simply reference one of the actual docker base images below.

The following baseboxes are currently published on Atlas:

Usage

Use the config.vm.box setting to specify the basebox in your Vagrantfile.

For example, run vagrant init tknerr/baseimage-ubuntu-16.04 --minimal to create the Vagrantfile below:

Vagrant.configure(2) do |config|
  config.vm.box = "tknerr/baseimage-ubuntu-16.04"
end

Then, running vagrant up --provider docker should look similar to this:

W:\repo\sample>vagrant up --provider=docker
Bringing machine 'default' up with 'docker' provider...
==> default: Creating the container...
    default:   Name: minimal_default_1441605508
    default:  Image: tknerr/baseimage-ubuntu:16.04
    default: Volume: /w/repo/sample:/vagrant
    default:   Port: 0.0.0.0:2222:22
    default:
    default: Container created: f366398390f6b33f
==> default: Starting container...
==> default: Waiting for machine to boot. This may take a few minutes...
    default: SSH address: 192.168.59.104:2222
    default: SSH username: vagrant
    default: SSH auth method: private key
    default:
    default: Vagrant insecure key detected. Vagrant will automatically replace
    default: this with a newly generated keypair for better security.
    default:
    default: Inserting generated public key within guest...
    default: Removing insecure key from the guest if it's present...
    default: Key inserted! Disconnecting and reconnecting using new SSH key...
==> default: Machine booted and ready!

Warning - it might not work as expected (Vagrant =< 1.7.2)

Please note: until version 1.7.2 of Vagrant the docker provisioner does not inspect
the packaged Vagrantfile

in the basebox, i.e. it might fail with an error like that:

$ vagrant up --provider docker
Bringing machine 'default' up with 'docker' provider...
There are errors in the configuration of this machine. Please fix
the following errors and try again:

docker provider:
* One of "build_dir" or "image" must be set

As a workaround you have to import the desired basebox once, so it is available
locally and the docker provider can inspect the Vagrantfile we package into the box:

$ vagrant box add tknerr/baseimage-ubuntu-16.04

After that, you can use the config.vm.box with the docker baseimage as expected.

Docker Base Images

In case you want to work with the actual docker base images directly, the following ones (see subdirectories) are available on docker hub:

Usage

You can use it in your Vagrantfile in it's most simple form like this and then
run vagrant up:

Vagrant.configure(2) do |config|
  config.vm.provider "docker" do |d|
    d.image = "tknerr/baseimage-ubuntu:16.04"
  end
end

If you want to use provisioners, you need to additionally tell vagrant that
this container has ssh enabled:

Vagrant.configure(2) do |config|
  config.vm.provider "docker" do |d|
    d.image = "tknerr/baseimage-ubuntu:16.04"
    d.has_ssh = true
  end

  # use shell and other provisioners as usual
  config.vm.provision "shell", inline: "echo 'hello docker!'"
end

Contribute

How to contribute?

  1. fork this repo
  2. create a new branch with your changes
  3. submit a pull request

License

MIT - see the accompanying LICENSE file

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Owner
tknerr

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