Hi,
I am playing around with the Puppet 4 Type system and nested hashes.
Is it possible to use the Type system on a hash and check sub hashes as Struct?
# nested hashes
$hash = {
‘ben’ => {
uid => 2204,
home => ‘/home/ben’,
},
‘jones’ => {
uid => 2205,
home => ‘home/jones’,
}
}
# class definition
class users (
Hash[String, Struct[{ uid => Integer, home => Pattern[/^\/.*/]}]] $hash,
){
…
}
# class declaration
class { ‘users’:
hash => $hash,
}
In this case I receive the following error:
Error: Expected parameter 'hash' of 'Class[Users]' to have type Hash[String,
Struct[{'uid'=>Integer, 'home'=>Pattern[/^\/.*/]}]], got
Struct[{'ben'=>Struct[{'uid'=>Integer, 'home'=>String}],
'jones'=>Struct[{'uid'=>Integer, 'home'=>String}]}] at /root/hash.pp:16 on node
puppetmaster.example.net
When using the Struct one needs to know the keys. But the keys may be any
arbitrary value.
Within class users I could use the keys function and a define and check for the
data types within the define.
But I thought that the mentioned approach is valid (at least I haven’t found a
hint that my approach is not valid).
Any help/feedback appreciated,
best,
Martin
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