Puppet users - May 2007 - Requiring Yum be installed before classes use it as a provider

I''m in the process of creating Puppet classes to install Munin via Yum
on my RHEL4 hosts.  Before Yum can be used as a provider, it obviously
needs to be installed.

I''ve tried requring the Yum package in the Munin classes but I still
get
an error about "Provider ''yum'' is not functional on this
platform".

Is there an easy way to require the yum class to be processed before any
classes that use yum as their provider?  I''m sure that I''m
missing
something simple here but I can''t quite figure out what.

Cheers,

James

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On 18 May , 2007, at 02:06, HARRIS Jimmy (AXA-Tech-AU) wrote:
> I''m in the process of creating Puppet classes to install Munin via
Yum
> on my RHEL4 hosts.  Before Yum can be used as a provider, it obviously
> needs to be installed.
>
> I''ve tried requring the Yum package in the Munin classes but I  
> still get
> an error about "Provider ''yum'' is not functional on
this platform".
Since you obviously can''t use the yum package provider, what provider  
are you using to install yum?

Did you specify an alternative package provider explicitly, such as
	provider => rpm?

On May 18, 2007, at 1:06 AM, HARRIS Jimmy ((AXA-Tech-AU)) wrote:
> I''m in the process of creating Puppet classes to install Munin via
Yum
> on my RHEL4 hosts.  Before Yum can be used as a provider, it obviously
> needs to be installed.
>
> I''ve tried requring the Yum package in the Munin classes but I  
> still get
> an error about "Provider ''yum'' is not functional on
this platform".
>
> Is there an easy way to require the yum class to be processed  
> before any
> classes that use yum as their provider?  I''m sure that
I''m missing
> something simple here but I can''t quite figure out what.
This is opened as bug #571.  I don''t yet know how I''m going to
solve
it, though.

  --
  A motion to adjourn is always in order.
            --Robert Heinlein
  ---------------------------------------------------------------------
  Luke Kanies | http://reductivelabs.com | http://madstop.com

>> I''m in the process of creating Puppet classes to install Munin
via Yum
>> on my RHEL4 hosts.  Before Yum can be used as a provider, it obviously
>> needs to be installed.
>>
>> I''ve tried requring the Yum package in the Munin classes but I
>> still get
>> an error about "Provider ''yum'' is not functional
on this platform".
>Since you obviously can''t use the yum package provider, what
provider
>are you using to install yum?
>Did you specify an alternative package provider explicitly, such as
>	provider => rpm?
There''s no problem installing Yum itself (and yes, I used RPM to
install the required packages), it''s just that Puppet fails when other
classes include the Yum provider.

The only way I can get it to work it to run Puppet first to install Yum, and
then add the classes that use the Yum provider and run Puppet again.

James

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This email (including any attachments) contains information which is 
confidential and may be subject to legal privilege.  If you are not 
the intended recipient you must not use, distribute or copy this 
email.  If you have received this email in error please notify the 
sender immediately and delete this email. Any views expressed in this 
email are not necessarily the views of AXA-Tech Australia.   Thank you.
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On May 20, 2007, at 10:34 PM, HARRIS Jimmy ((AXA-Tech-AU))
wrote:
>
> There''s no problem installing Yum itself (and yes, I used RPM to  
> install the required packages), it''s just that Puppet fails when  
> other classes include the Yum provider.
>
> The only way I can get it to work it to run Puppet first to install  
> Yum, and then add the classes that use the Yum provider and run  
> Puppet again.
I''ve been thinking about this problem, and the only way I see to fix  
it is to change the point at which provider functionality is tested.   
It''s currently tested at object creation time, which means that you  
can''t use the configuration to make providers functional, as
you''ve
found.

This wouldn''t fix all of the problems people are likely to run into  
-- Puppet''s mechanism for determining default providers will only  
ever choose from among those that are functional at instantiation  
time -- but it should get us pretty close.  I should have that  
problem fixed this week.

I guess I''ve gotten enough work done recently that I should look at  
doing a release soon.

  --
  Learning is not attained by chance, it must be sought for with  
ardor and
  attended to with diligence.      -- Abigail Adams
  ---------------------------------------------------------------------
  Luke Kanies | http://reductivelabs.com | http://madstop.com