56 lines
2 KiB
Markdown
56 lines
2 KiB
Markdown
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# vagrant-lxc base boxes
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Although the official documentation says it is only supported for VirtualBox
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environments, you can use the [`vagrant package`](http://docs.vagrantup.com/v2/cli/package.html)
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command to export a `.box` file from an existing vagrant-lxc container.
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There is also a set of [bash scripts](https://github.com/fgrehm/vagrant-lxc/tree/master/boxes)
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that you can use to build base boxes as needed. By default it won't include any
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provisioning tool and you can pick the ones you want by providing some environment
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variables.
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For example:
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```
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git clone https://github.com/fgrehm/vagrant-lxc.git
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cd vagrant-lxc/boxes
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PUPPET=1 CHEF=1 sudo -E ./build-ubuntu-box.sh precise amd64
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```
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Will build a Ubuntu Precise x86_64 box with latest Puppet and Chef pre-installed, please refer to the scripts for more information.
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## "Anatomy" of a box
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If you need to go deeper and build your scripts from scratch or if you are interested
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on knowing what makes a base box for vagrant-lxc, here's what's needed:
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### Expected `.box` contents
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| FILE | DESCRIPTION |
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| --- | --- |
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| `lxc-template` | Script responsible for creating and setting up the container (used with `lxc-create`), a ["generic script"]() is provided along with project's source. |
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| `rootfs.tar.gz` | Compressed container rootfs tarball (need to remeber to pass in `--numeric-owner` when creating it) |
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| `lxc.conf` | |
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| `metadata.json` | |
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### metadata.json
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```json
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{
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"provider": "lxc",
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"version": "3",
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"built-on": "Sat Sep 21 21:10:00 UTC 2013",
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"template-opts": {
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"--arch": "amd64",
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"--release": "quantal"
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}
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}
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```
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| KEY | REQUIRED? | DESCRIPTION |
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| --- | --- | --- |
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| `provider` | Yes | Required by Vagrant |
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| `version` | Yes | Tracks backward incompatibilities |
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| `built-on` | No | Date / time when the box was packaged |
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| `template-opts` | No | Extra options to be passed to the `lxc-template` script provided with the .box package |
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