Puppet users - Jan 2013 - Issue with exported resources and "ensure"

Hello folks! I hope everyone is having a great Wednesday!

I think I may have come across a bug / a use case which isn''t working 
properly however I wanted to run it by some eyes on the mailing list before 
I filed a bug report. I''m attempting to use Hiera with Puppet exported 
resources (a Nagios module in specific). I don''t believe Hiera is a
problem
in this instance however I believe it''s worth noting.

Here is the snippet that appears to not be working:

--
        "check_sda7_nrpe_${hostname}":
        ensure => $nrpe_command_check_sda7,
    check_command => $nagios_check_sda7_custom ? {
        yes     => 
"check_disk_nrpe!sda7!$nagios_check_sda7_warn!$nagios_check_sda7_crit",
        default => "check_disk_nrpe!sda7!20!10",
    },
    use => "generic-service",
    service_description => "SDA7 Check",
    host_name => $fqdn;
--

The $nrpe_command_check_sda7 variable is pulled via the hiera() function up 
top. It''s either assigned "absent" or "present"
depending on the node. This
*is* getting assigned properly (I''ve tested it with notice() in the 
manifest).

--
Jan 16 17:22:03 puppet puppet-master[31413]: 
(Scope(Class[Nagios::Target::Install])) Variable: absent
Jan 16 17:22:03 puppet puppet-master[31413]: Compiled catalog for 
sng002.xxx.com in environment production in 0.34 seconds
--

The Nagios server collects the Nagios_* resources and generates the 
configurations however it appears the "ensure" portion isn''t
working
properly. In the above example it''s not removing the Nagios_service 
resource. If I manually specify "absent" or "present" in the
manifest (not
using the variable) it works as expected.

Am I missing anything obvious in this case?

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On Wednesday, January 16, 2013 1:45:28 PM UTC-6, Cody Robertson
wrote:
>
> Hello folks! I hope everyone is having a great Wednesday!
>
> I think I may have come across a bug / a use case which isn''t
working
> properly however I wanted to run it by some eyes on the mailing list before
> I filed a bug report. I''m attempting to use Hiera with Puppet
exported
> resources (a Nagios module in specific). I don''t believe Hiera is
a problem
> in this instance however I believe it''s worth noting.
>
> Here is the snippet that appears to not be working:
>
> --
>         "check_sda7_nrpe_${hostname}":
>         ensure => $nrpe_command_check_sda7,
>     check_command => $nagios_check_sda7_custom ? {
>         yes     => 
>
"check_disk_nrpe!sda7!$nagios_check_sda7_warn!$nagios_check_sda7_crit",
>         default => "check_disk_nrpe!sda7!20!10",
>     },
>     use => "generic-service",
>     service_description => "SDA7 Check",
>     host_name => $fqdn;
> --
>
> The $nrpe_command_check_sda7 variable is pulled via the hiera() function 
> up top. It''s either assigned "absent" or
"present" depending on the node.
> This *is* getting assigned properly (I''ve tested it with notice()
in the
> manifest).
>
> --
> Jan 16 17:22:03 puppet puppet-master[31413]: 
> (Scope(Class[Nagios::Target::Install])) Variable: absent
> Jan 16 17:22:03 puppet puppet-master[31413]: Compiled catalog for 
> sng002.xxx.com in environment production in 0.34 seconds
> --
>
> The Nagios server collects the Nagios_* resources and generates the 
> configurations however it appears the "ensure" portion
isn''t working
> properly. In the above example it''s not removing the
Nagios_service
> resource. If I manually specify "absent" or "present"
in the manifest (not
> using the variable) it works as expected.
>
> Am I missing anything obvious in this case?
>

Yes.  You need to check directly what ensure values are being collected.  
Look at what''s stored in the DB, turn on debug logging everywhere and
check
those logs, and look at the catalog that the Nagios server receives.  Make 
sure that the node exporting the resources in question synchronizes with 
the master before you look for the updated values to be passed on to the 
node collecting them.

Frankly, I''m skeptical about the proposition that it makes a difference
whether you set an exported resource''s property via a literal or a
variable
that contains the same value.  I don''t think you''re seeing
what you think
you''re seeing.


John

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