Puppet users - Nov 2012 - inconsistencies with arrays: want multiple requires

I''ve poked around the puppet docs, and google, and so far I''m
stuck on an
apparent inconsistency of usage, when it comes to using arrays, and 
variables, interchangably.
I should mention this is with puppet 3.0.1

If you use literal arrays, both of the following are possible and accepted 
by puppet:

package{ [''pkg1'', ''pkg2'']: 
  blahblah
}

service{ foo:
     require => Package[''pkg1'', ''pkg2''],
}


However.  If I define a variable, 
$pkglist=[''pkg1'',''pkg2'']

Then, while I CAN do
package{ $pkglist:
  blahblah
}

It seems I cannot do

service{ foo:
  require => Package $pkglist ,
}

This makes me sad :(
Can someone tell if if there is some language shenanigans I must do, to get 
puppet to accept the last bit?


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I think you misunderstand what puppet is doing there. Variables are not a 
literal character replacement, they have types.

I think what you want is 

require => Package[$pkglist]

The [] in your variable assignment tells puppet it is an array.

The [] in the Package example I provided tells puppet you are referring to 
packages that have already been defined and not trying to change the 
Package type''s defaults. 

On Monday, November 19, 2012 4:45:55 PM UTC-7, Philip Brown
wrote:
>
> I''ve poked around the puppet docs, and google, and so far
I''m stuck on an
> apparent inconsistency of usage, when it comes to using arrays, and 
> variables, interchangably.
> I should mention this is with puppet 3.0.1
>
> If you use literal arrays, both of the following are possible and accepted 
> by puppet:
>
> package{ [''pkg1'', ''pkg2'']: 
>   blahblah
> }
>
> service{ foo:
>      require => Package[''pkg1'',
''pkg2''],
> }
>
>
> However.  If I define a variable, 
> $pkglist=[''pkg1'',''pkg2'']
>
> Then, while I CAN do
> package{ $pkglist:
>   blahblah
> }
>
> It seems I cannot do
>
> service{ foo:
>   require => Package $pkglist ,
> }
>
> This makes me sad :(
> Can someone tell if if there is some language shenanigans I must do, to 
> get puppet to accept the last bit?
>
>
>
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Huh. I could have SWORN I tried that syntax already.
First thing,even. But... it works. Thanks for the reply :)




On Monday, November 19, 2012 5:31:25 PM UTC-8, joe
wrote:
>
> I think you misunderstand what puppet is doing there. Variables are not a 
> literal character replacement, they have types.
>
> I think what you want is 
>
> require => Package[$pkglist]
>
> The [] in your variable assignment tells puppet it is an array.
>
> The [] in the Package example I provided tells puppet you are referring to 
> packages that have already been defined and not trying to change the 
> Package type''s defaults. 
>
> On Monday, November 19, 2012 4:45:55 PM UTC-7, Philip Brown wrote:
>>
>> ....
>> However.  If I define a variable, 
>> $pkglist=[''pkg1'',''pkg2'']
>>
>> Then, while I CAN do
>> package{ $pkglist:
>>   blahblah
>> }
>>
>> It seems I cannot do
>>
>> service{ foo:
>>   require => Package $pkglist ,
>> }
>>
>> This makes me sad :(
>> Can someone tell if if there is some language shenanigans I must do, to
>> get puppet to accept the last bit?
>>
>>
>>
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