Puppet users - Apr 2011 - Default parameters for classes with parameters

Hi all,

does somebody know if default parameters in classes with parameters work? I 
tried it with puppet v2.6.7 i.e.:

class app::mysql(
                 $mysql_data_dir = ''/data/mysql/data'',
                 $mysql_log_dir = ''/data/mysql/log'',
                 $mysql_binlog_dir = ''/data/mysql/binlog'',
                 $mysql_expire_logs_days = ''10'',
                 $mysql_max_binlog_size = ''100M'',
                 $mysql_binlog_do_db = []
                ) {
...
}

Inside I use a template which shows me "undef" as value for the
parameters
above. If I define the same parameters inside the class, it works.

Regards
Oli

Hi
On Apr 21, 2011, at 10:58 AM, Oliver Schad wrote:
> Hi all,
> 
> does somebody know if default parameters in classes with parameters work? I
> tried it with puppet v2.6.7 i.e.:
this is possible according to documentation:
http://docs.puppetlabs.com/guides/parameterized_classes.html#using-parameterized-classes-1
> 
> class app::mysql(
>                 $mysql_data_dir = ''/data/mysql/data'',
>                 $mysql_log_dir = ''/data/mysql/log'',
>                 $mysql_binlog_dir = ''/data/mysql/binlog'',
>                 $mysql_expire_logs_days = ''10'',
>                 $mysql_max_binlog_size = ''100M'',
>                 $mysql_binlog_do_db = []
>                ) {
> ...
> }
> 
> Inside I use a template which shows me "undef" as value for the
parameters
> above. If I define the same parameters inside the class, it works.
> 
How do you use your parameterized class?

According to documentation you should use:

class { ''app::mysql'': }
> Regards
> Oli
Regards,

Martin

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Am Thursday 21 April 2011 schrieb mir Martin Alfke:
> On Apr 21, 2011, at 10:58 AM, Oliver Schad wrote:
> > Inside I use a template which shows me "undef" as value for
the
> > parameters above. If I define the same parameters inside the class,
> > it works.
> 
> How do you use your parameterized class?
> 
> According to documentation you should use:
> 
> class { ''app::mysql'': }
I do it this way, the including works but not the default values for the 
parameters.

Regards
Oli

On Fri, Apr 22, 2011 at 8:26 AM, Oliver Schad <puppet@oschad.de>
wrote:
> Am Thursday 21 April 2011 schrieb mir Martin Alfke:
>> On Apr 21, 2011, at 10:58 AM, Oliver Schad wrote:
>> > Inside I use a template which shows me "undef" as value
for the
>> > parameters above. If I define the same parameters inside the
class,
>> > it works.
>>
>> How do you use your parameterized class?
>>
>> According to documentation you should use:
>>
>> class { ''app::mysql'': }
>
> I do it this way, the including works but not the default values for the
> parameters.
Seems to work fine in 2.6.7. Here''s an easy test file, try it with the
inline_template string in the erb file
class hello (
  $var = ''hello''
) {
  #$string = inline_template("<%= var %>")
  $string = template("/tmp/hello.erb")
  notice($string)
}
include hello

If you have issues, post your manifests, test, and erb template on pastie.

Thanks,

Nan

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