Puppet users - Oct 2012 - Using Hiera with Parameters set for the Puppet Node

Is it possible to have Hiera look at a key set for the node first, before 
looking at other items in the hierarchy?

In particular - I''m using Puppet Dashboard and am setting keys &
params for
there, so I would like for any value set there for a node to be used over 
another item in the hiera hierachy. What value would I have to specify in 
the hierarchy for this, if it is possible?

Thanks,
TJ

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Puppet OS 2.7.19 if that is necessary as well.

On Friday, October 19, 2012 1:18:59 PM UTC-7, Thomas Biddle
wrote:
>
> Is it possible to have Hiera look at a key set for the node first, before 
> looking at other items in the hierarchy?
>
> In particular - I''m using Puppet Dashboard and am setting keys
& params
> for there, so I would like for any value set there for a node to be used 
> over another item in the hiera hierachy. What value would I have to specify
> in the hierarchy for this, if it is possible?
>
> Thanks,
> TJ
>
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On Friday, October 19, 2012 3:18:59 PM UTC-5, Thomas Biddle
wrote:
>
> Is it possible to have Hiera look at a key set for the node first, before 
> looking at other items in the hierarchy?
>
> In particular - I''m using Puppet Dashboard and am setting keys
& params
> for there, so I would like for any value set there for a node to be used 
> over another item in the hiera hierachy. What value would I have to specify
> in the hierarchy for this, if it is possible?
>
>
Only option I can think of would be to write a custom hiera backend that 
checks with the ENC for the value, and then setup your hiera.yaml so it 
looks there first.

 
> Thanks,
> TJ
>
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On Friday, October 19, 2012 3:18:59 PM UTC-5, Thomas Biddle
wrote:
>
> Is it possible to have Hiera look at a key set for the node first, before 
> looking at other items in the hierarchy?
>
> In particular - I''m using Puppet Dashboard and am setting keys
& params
> for there, so I would like for any value set there for a node to be used 
> over another item in the hiera hierachy. What value would I have to specify
> in the hierarchy for this, if it is possible?
>

If you specify the levels of your data hierarchy in the conventional way -- 
from most specific to least -- then the hiera() function should do what you 
want automatically.  Do not use hiera_array() or hiera_hash() for this 
purpose, as those are specifically intended for collecting values declared 
at all levels of your hierarchy.


John

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