Juju Resources (a tool / library)

[Cory Johns]

Per request, the documentation is now also available on
ReadTheDocs.org: http://jujuresources.readthedocs.org/

On Wed, Feb 11, 2015 at 11:25 AM, Cory Johns <cory.johns at canonical.com> wrote:
> Hi all,
>
> (cross-posting to juju & juju-dev)
>
> I've created a tool / library for organizing and managing resources
> (binary blobs, tarballs, Python packages, and, eventually, apt
> packages) required by a charm.  The idea is to be an interim tool, and
> a test-bed for the resource features that have been discussed for the
> future in Juju core.
>
> It is available on GitHub [1] and PyPI [2], and the full documentation
> is on PythonHosted.org [3].
>
> The goals of this project are:
>
>   * Organize all external resource dependencies into a single
> resources.yaml file
>   * Provide easy, consistent interfaces to manage, install, and mirror resources
>   * CLI and Python bindings
>   * Enforce best practices, such as cryptographic hash validation
>
> I asked around to see if there was an existing proposal for a
> resources.yaml file format, but couldn't find one.  If someone is
> aware of an existing spec / proposal, I'd prefer to match that as much
> as possible.
>
> The current version is fully functional, and is currently being used
> in the framework refactor of the Apache Hadoop charms (e.g., [4]).
>
> Note that I created this separately from Charm Helpers primarily
> because I wanted to use it to bootstrap CH, but this also makes it
> easier to use in Bash charms.
>
> My next step is to add apt-get support, but that will requiring
> cleaning up the mirror server (possibly converting it to use squid,
> but I may want to keep it self-contained), and learning a bit more
> about how the apt proxy settings work.  Advice here is appreciated.
>
>
> [1] https://github.com/juju-solutions/jujuresources
> [2] https://pypi.python.org/pypi/jujuresources
> [3] http://pythonhosted.org/jujuresources/
> [4] https://code.launchpad.net/~bigdata-dev/charms/trusty/apache-hadoop-hdfs-master/trunk