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Pulls containers and turns them into OS trees for systemd-nspawn.

Project description

You can pull a Docker container:

pip install ostree
ostree pull python:3.7-alpine ./alpine

And run it with systemd-nspawn:

sudo systemd-nspawn --directory ./alpine python

Spawning container alpine on /home/denis/alpine.
Press ^] three times within 1s to kill container.
Timezone UTC does not exist in container, not updating container timezone.
Python 3.7.0 (default, Aug 22 2018, 20:39:59)
[GCC 6.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.


This is alpha-quality software. Things are intended to break.

Supported Registries

The following registries are currently supported:

  • Docker (public registry only)
  • Google Container Registry (public, private with service account and json keyfile)


  • Python 3.6+

Run the Tests

pip install -e '.[test]'
py.test ostree


Ostree follows PEP8 as closely as possible. To validate it run:

pip install -e '.[test]'
flake8 ostree

Ostree uses Semantic Versioning.


Ostree is released under the MIT license


0.1.1 (2018-09-07)

  • Adds environment variables for OSTREE_AUTH, OSTREE_CACHE and OSTREE_PROTOCOL. [href]

0.1.0 (2018-09-06)

  • Adds support for Google Container Registry. [href]

  • Implements cache purging. [href]

  • Shows an error if no protocol is given. [href]

  • Changes the cache path to ~/.cache/seantis/ostree for non-root users. [href]

0.0.0 (2018-08-24)

  • Initial Release. [href]

Project details

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