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IDH uses version of IDH distro and there is no direct mapping between
distro version and hadoop version. E.g. IDH 2.5.1 works with apache hadoop
1.0.3.

I suggest to call the field as just 'version' everywhere and assume this
version as plugin specific property.

Andrew.


On Mon, Feb 17, 2014 at 5:06 AM, Matthew Farrellee <matt at redhat.com> wrote:

> $ savanna plugins-list
> +---------+----------+---------------------------+
> | name    | versions | title                     |
> +---------+----------+---------------------------+
> | vanilla | 1.2.1    | Vanilla Apache Hadoop     |
> | hdp     | 1.3.2    | Hortonworks Data Platform |
> +---------+----------+---------------------------+
>
> above is output from the /plugins endpoint - http://docs.openstack.org/
> developer/savanna/userdoc/rest_api_v1.0.html#plugins
>
> the question is, should the version be the version of the plugin or the
> version of hadoop the plugin installs?
>
> i ask because it seems like we have version == plugin version for hdp and
> version == hadoop version for vanilla.
>
> the documentation is somewhat vague on the subject, mostly stating
> "version" without qualification. however, the json passed to the service
> references "hadoop_version" and the arguments in the client are called
> "hadoop_version"
>
> fyi, this could be complicated by the idh and spark plugins.
>
> best,
>
>
> matt
>
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