This issue is still unresolved as of 3.1.0
# hiera -h resources -c /etc/puppet/hiera.yaml
{"webapplication2"=>{"Consumer"=>"undef"},
"webapplication"=>{"Consumer"=>{"2a"=>nil, "1a"=>{"offset"=>"3"},
"3a"=>"undef"}, "indexer"=>nil}}
____hieranil.pp________
$fullhash = hiera_hash(resources)
create_resources(noundefparams,$fullhash)
define noundefparams($Consumer="abc", $indexer="def"){
if $Consumer { notify {"$Consumer":} }
}
_________________
]# puppet apply hieranil.pp
Error: Received incomplete information - no value provided for parameter
indexer at /tmp/experiment/hieranil.pp:15 on node puppet-master
Wrapped exception:
Received incomplete information - no value provided for parameter indexer
Error: Received incomplete information - no value provided for parameter
indexer at /tmp/experiment/hieranil.pp:15 on node puppet-master
On Thursday, May 24, 2012 3:15:58 AM UTC+5:30, Jeff McCune wrote:
>
> On Tue, May 22, 2012 at 8:50 AM, Jeff McCune
> <je...@puppetlabs.com<javascript:>
> > wrote:
>
>> On Tuesday, May 22, 2012, Dan White wrote:
>>
>>> I found an answer to this particular issue. Thanks for the reminder so
>>> I can share the answer:
>>>
>>> I found the hiera/yaml way to indicate an empty array !
>>> So, to use my earlier example:
>>>
>>> users:
>>> beast:
>>> username : beast
>>> uid : 6666
>>> ingroups :
>>> - ''
>>> info : Let's see if this works
>>>
>>> Then, with a hiera call, I get :
>>>
>>> {"beast"=>{"ingroups"=>[""], "uid"=>6666, "username"=>"beast",
>>> "info"=>"Let's see if this works"}
>>>
>>> This is actually a non-empty array hat had one element, the empt string.
>>
>
> OK, I had a look today. Much of the behavior of hashes and arrays whose
> elements are not defined has been resolved in Puppet 3.0.0rc. If you could
> try that out it would help us make sure your problem has actually been
> solved in Puppet.
>
> As to how to specify an empty array as the value of a hash key using Hiera
> and Puppet, this is the way:
>
> ---
> username: beast
> uid: 6666
> ingroups: []
> info: Let's see if this works
>
> Notice it's just an empty set of square braces, no empty string.
>
>
>> This clearly seems like a bug in puppet and how it is handling Hash
>> values. I'll take a look more as soon as I get into the office.
>>
>
> It is a bug, luckily we've fixed it in Puppet 3.0.x. Please give the
> release candidates a try.
>
> -Jeff
>
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