Hi Helmut,
you could take this as a starting point (untested):
$profile_logging = $profiles.map | $p_name, $p_data | { $p_data.map |
$s_name, $s_data | { $s_data['syslog'] } }.flatten
p_ is the outer profile layer, s_ is the inner service layer.
Some notes on solving this kind of problems:
1) It can be much easier to develop these functions in a small minimal pp
file which only contains a sample dict as puppet code, the extraction code
and a notify to print the output. With such a file, you can test small
changes in the code without going through the puppet master.
2) Sometimes it can be easier to re-design the data structure than to write
complex extraction code. It is possible to describe complex setups in a
single yaml dict, but it may not be the best idea.
3) If you may have requirements like this repeatedly, I would recommend
dedicating some time into understanding the relevant puppet functions (map,
filter, then, group_by, ...). For someone who has not yet worked with
functional languages, this is quiete a change in mind that will take some
time to grasp and process.
Best regards
Karsten
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