Issue #20475 has been reported by Erik Dalén.
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Feature #20475: Allow class & define parameters to reference earlier parameters
https://projects.puppetlabs.com/issues/20475
* Author: Erik Dalén
* Status: Unreviewed
* Priority: Normal
* Assignee:
* Category: parser
* Target version:
* Affected Puppet version:
* Keywords:
* Branch:
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It would be good if code like this was possible:
class postgresql (
$version = '9.0',
$datadir = "/var/lib/postgresql/${version}/main",
) { ... }
or used in expressions:
class foo (
$concurrent_reads = 20,
$concurrent_writes = $concurrent_reads/2,
) { ... }
Some of this can be possible to workaround using class inheritance, but for
each reference you need another layer of inheritance and it also results in
weird parameter naming for the data bindings. Like having to specify
postgresql::params::version but then postgresql::datadir.
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