CoreOS Packer for Vagrant Box

Build a Vagrant box with CoreOS

• Based on CoreOS Stable 494.5.0
  • kernel v3.17.2
  • etcd v0.4.6
  • fleet v0.8.3
  • docker v1.3.3
  • coreos-cloudinit v0.10.9
  • systemd 215
• Add OEM files for Vagrant and patch them
  • Cf.) https://github.com/coreos/coreos-overlay/pull/568
  • Cf.) https://github.com/YungSang/coreos-packer/tree/overlay-568
• Enable the Docker daemon
• Open the official IANA registered Docker port 2375
• Add docker-enter(docker-attach) script to use nsenter easily

How to Build

$ make

How to Use

$ vagrant box add coreos coreos.box
$ vagrant init coreos
$ vagrant up

Or

VAGRANTFILE_API_VERSION = "2"

Vagrant.require_version ">= 1.5.0"

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
  config.vm.box = "yungsang/coreos"

  config.vm.network "forwarded_port", guest: 2375, host: 2375

  config.vm.network "private_network", ip: "192.168.33.10"

  config.vm.synced_folder ".", "/home/core/vagrant", id: "core", type: "nfs", mount_options: ["nolock", "vers=3", "udp"]

  config.vm.provision :docker do |d|
    d.pull_images "yungsang/busybox"
    d.run "simple-echo",
      image: "yungsang/busybox",
      args: "-p 8080:8080",
      cmd: "nc -p 8080 -l -l -e echo hello world!"
  end

  config.vm.network :forwarded_port, guest: 8080, host: 8080
end

$ vagrant up
$ docker version
$ docker images -t
$ docker ps -a
$ nc localhost 8080
hello world!

License

To the extent possible under law, the person who associated CC0 with this work has waived all copyright and related or neighboring rights to this work.

• CoreOS is under the Apache 2.0 license?