On Mon, Mar 4, 2013 at 7:59 AM, Erik Dalén <[email protected]>wrote:
> I've released version 1.0.0-pre1 of the dalen-puppetdbquery module, it
> includes the old functions against the PuppetDB api version 1.0. But also
> some entirely new functions that will query the PuppetDB api v2.0 (in
> puppetdb 1.1 and up).
>
> These new functions borrow the syntax from Dan Bode's ruby-puppetdb, but
> are entirely rewritten to make use of the 2.0 API.
>
I also wanted to make sure that Pieter Loubser and RI Pienaar also got a
shout out for helping put together the initial grammar for ruby-puppetdb
(it heavily borrowed from mcollective's syntax, and Piter built the initial
parser)
>
> It now uses a lexer and parser written in rex & racc (ruby versions of lex
> & yacc) to compile a high level query language into PuppetDB queries.
>
> An example of a high level query would be:
> Class[Apache]{service_enable=true} and (osfamily=Redhat or osfamily=Debian)
>
> That would find any host with the apache class (notice though that class
> names have to be capitalized in queries) with the parameter service_enable
> => true and osfamily red hat or debian. It does normal operator precedence,
> so a parenthesis is required around that or-statement.
>
> The three new query functions are:
> * query_nodes
> * query_facts
> * query_resources
>
> So far only query_nodes and query_facts accept the new query language. In
> all three functions an array argument instead of string will be treated as
> a "raw" puppetdb query.
>
> Anyway, please test it and send me feedback (dalen on freenode). The old
> functions are left intact but deprecated, so it shouldn't affect any
> existing code using the older functions.
>
> --
> Erik Dalén
>
>
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