Recursive hiera lookups with Arrays and Hashes

[Trevor Vaughan]

All,

I've just patched Hiera to allow recursive lookups of Arrays and Hashes.

https://github.com/onyxpoint/hiera/commit/a00c9e4ef0e033d1012c95fda028412eeb425ce4

For my uses, this patch works properly, however, it hasn't gotten buy off from the Hiera team yet.

This allows you to do the following:

---

foo :

  - 'one'

  - 'two'

bar : %{hiera('foo')}

Result:

hiera foo => [ 'one', 'two' ]

hiera bar => ['one', 'two' ]

There is no merging of arrays or hashes if you nest the entries and if you use an array entry on the left hand side of a lookup you'll probably end up with a Hiera entry that you can't reference.

Thanks,

Trevor

--
Trevor Vaughan
Vice President, Onyx Point, Inc
(410) 541-6699
tvau...@onyxpoint.com

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[Trevor Vaughan]

All,

Apologies for this, but apparently, the patch that I put together is stopping one level too high on some queries.

Pleas disregard.

Thanks,

Trevor

[Trevor Vaughan]

Well, that was fun.

This has been corrected and validated against the internal Hiera spec tests. All should be well if you wish to use the patch!

https://github.com/onyxpoint/hiera/compare/puppetlabs:master...master

Thanks!

Trevor

[Dan Bode]

thanks for your work on this, it was already on my TODO list. I will definitely be looking at this patch in the near future.

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[Trevor Vaughan]

Thanks Dan.

I just confirmed that it works as expected on a full system called from Puppet.

I'm not sure if bailing at the first hit was the right thing to do, but it made sense to me.

Trevor

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