On Sun, Jul 31, 2016 at 3:05 PM, R.I.Pienaar <r...@devco.net> wrote:
> hello,
>
> I am trying to selectively find classes using PQL that has a certain
> parameter.
>
> class foo($server=true) {
> }
>
> So with PQL I have no idea how to match only foo classes where server = true,
> it
> appears from errors that it does support search parameters but nothing in the
> docs and I can't figure it out.
In the current version of PQL, you can't query against parameters.
It's under development though:
https://github.com/puppetlabs/puppetdb/pull/2000
In the future, you should be able to query parameters with
resources { type = "Class" and title = "Foo" and parameters.server = true }
What you can do now, however, is use the AST query language:
["from", "resources",
["and",
["=", "type", "Class"],
["=", "title", "Foo"],
["=", ["parameter", "server"], true]]]
This will do the same thing as the PQL except it works in the current
version of PuppetDB. It's not quite as convenient, but at least it
works.
> So then I tried to query via tags which does work, I figured I'll ta the
> class using tag():
>
> class foo($server=true) {
> if $server {
> tag("foo_server")
> }
>
> if tagged("foo_server") {
> notify{"it's tagged": }
> }
> }
>
> this code runs, and the notify fires, however if I query puppet db using a
> simple
> resources {type = "Class" and title = "Foo"} the tag set with the function
> does not
> appear on the class.
>
> So back to not having anyway to find nodes where foo::server = true, any
> ideas?
>
> ---
> R.I.Pienaar
>
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