Puppet users - Mar 2010 - Problem with Variables and Class Inheritance

I am trying to create set of users from different set of lists in the 
following way;

*Secondary Classes*
-------------------------
class /*DevelopersManager */#Secondary Class 1
{
*$fileList* = "developerUserlist.txt"
*$group* = "users"
*$home *= "/home"

     include StaffManager
}

class /*AdminsManager */#Secondary Class 2
{
*$fileList* = "adminUserlist.txt"
*$group* = "staff"
*$home *= "/home"

     include StaffManager
}

*Master Class*
---------------------
class StaffManager
{
     $list = generate("/bin/cat", 
"/etc/puppet/modules/metafiles/*$fileList*")
     $userList = split($list,'','')    # usernames are listed as
comma
separated items

     createUsers{ $userList: }    # this creates Virtual User resource
     realizeUsers{ $userList: } # this realizes Virtual User resource
                 # both these functions are working fine
}

*Node.pp
----------
*node client1.mydomain.com
{
     include AdminsManager        # Line 1
     include DevelopersManager # Line 2
}

Problem:
----------
with above code Puppet server only create _Admin Resources_ but not 
Developer Resources. It is not showing anything as to why its not 
creating it. however, if I change the order of */include/*  in nodes.pp 
i.e. if I put ''Line 2'' before ''Line 1'' then
it only creates DeveloperUsers.
Its a general behaviour of Puppet but I like to know how make this work. 
I have 9 different categories of users and each category has many users. 
Is there any better approach you guys suggest? or is there any work 
around to deal with this Puppet behaviour?

waiting for your reponse

Thanks

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On Mon, 22 Mar 2010, Farooque M Haris wrote:
> class /*DevelopersManager */#Secondary Class 1
> {
> *$fileList* = "developerUserlist.txt"
> *$group* = "users"
> *$home *= "/home"
> 
>     include StaffManager
> }
> 
> class /*AdminsManager */#Secondary Class 2
> {
> *$fileList* = "adminUserlist.txt"
> *$group* = "staff"
> *$home *= "/home"
> 
>     include StaffManager
> }
Apart from the strange stars and slashes (which I guess are an attempt
at highlighting), this won''t work because, no matter how many
"include"
statements you have, each class is really included no more than once.
Whichever of the two "include StaffManager" lines happens to take
effect
first will do what you expect (making those variables available for use
by the StaffManager class).  Whichever of the two "include
StaffManager"
lines happens to take effect last will do nothing, because that the
StaffManager class will already have been included.

To do what I think you want, you need something like this:

    define StaffManager($filelist, $group, $home) {
	# do stuff with $filelist, $group, and $home
    }

    class DevelopersManager {
	StaffManager { "developers":
	    filelist => "developerUserlist.txt",
            group => "users",
            home => "/home",
	}
    }

    class AdminsManager {
	StaffManager { "admins":
	    filelist => "adminsUserlist.txt",
            group => "staff",
            home => "/home",
	}
    }

--apb (Alan Barrett)
     

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Thanks Alan,
Yesterday, I did it exactly the same way and it is running fine. I hope 
this will be helpful for other puppet newbies too.

Am 24.03.2010 19:09, schrieb Alan Barrett:
> On Mon, 22 Mar 2010, Farooque M Haris wrote:
>    
>> class /*DevelopersManager */#Secondary Class 1
>> {
>> *$fileList* = "developerUserlist.txt"
>> *$group* = "users"
>> *$home *= "/home"
>>
>>      include StaffManager
>> }
>>
>> class /*AdminsManager */#Secondary Class 2
>> {
>> *$fileList* = "adminUserlist.txt"
>> *$group* = "staff"
>> *$home *= "/home"
>>
>>      include StaffManager
>> }
>>      
> Apart from the strange stars and slashes (which I guess are an attempt
> at highlighting), this won''t work because, no matter how many
"include"
> statements you have, each class is really included no more than once.
> Whichever of the two "include StaffManager" lines happens to take
effect
> first will do what you expect (making those variables available for use
> by the StaffManager class).  Whichever of the two "include
StaffManager"
> lines happens to take effect last will do nothing, because that the
> StaffManager class will already have been included.
>
> To do what I think you want, you need something like this:
>
>      define StaffManager($filelist, $group, $home) {
> 	# do stuff with $filelist, $group, and $home
>      }
>
>      class DevelopersManager {
> 	StaffManager { "developers":
> 	    filelist =>  "developerUserlist.txt",
>              group =>  "users",
>              home =>  "/home",
> 	}
>      }
>
>      class AdminsManager {
> 	StaffManager { "admins":
> 	    filelist =>  "adminsUserlist.txt",
>              group =>  "staff",
>              home =>  "/home",
> 	}
>      }
>
> --apb (Alan Barrett)
>
>
>    
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