using custom array based fact with defined type

[Ritesh Nanda]

Hello , 

I have a custom facts which returns the block devices based on some condition in an array.

 facter | grep arraydev

arraydev => ["sdb", "sdc"]

Now i want to use this array in defined type so that a exec resource can run as no. of times elements in the array.

vi modules/test/manifest/exeecho.pp

define test::exeecho() {

        exec {"echo_${name}":

          command => "echo hello >> /tmp/foo23",

          path => ['/bin'],

         }

       }

vi modules/test/manifest/init.pp

class test {

test::exeecho{$::arraydev:}

}

But puppet agent -t run gives a error.

Error: Could not retrieve catalog from remote server: Error 400 on SERVER: Puppet::Parser::AST::Resource failed with error ArgumentError: Invalid resource type exec at /etc/puppetlabs/puppet/modules/test/manifests/exeecho.pp:5 on node pzxdcc0002.cdbt.pldc.kp.org

Warning: Not using cache on failed catalog

Error: Could not retrieve catalog; skipping run

Please tell me if i am doing something wrong.

Regards,

Ritesh Nanda

[Antoine Cotten]

Could you please post the result of: validate_array($::arraydev) ?

You need to have the "puppetlabs/stdlib" module installed

Toni

[jcbollinger]

Your manifests look fine to me, but the error message you report is surpassingly strange.  The exec resource type is distributed with Puppet itself, so the parser is exceedingly confused when it claims not to recognize it.  I am inclined to suspect that the Puppet installation on your master is borked.  Perhaps you have two different versions installed at the same time, such as maybe one from an RPM and another from a gem?


John

[Ritesh Nanda]

Hello Toni , John

Thanks for your help.

Doing validate array gives a  

 Error 400 on SERVER: "" is not an Array.  It looks to be a String

I made it working using  $arrayvar = split($::arraydev, '[,]') then calling  test::exeecho{$arrayvar:} , in this way it works and its process the array . 

now the init.pp looks like 

class test {

$arrayvar = split($::arraydev, '[,]')

test::exeecho{$arrayvar:}

}

Doing validate array tells me it is string not an array , Is this the right way to do it. Or there can be a better way to do it.

Regards,

Ritesh Nanda

[José Luis Ledesma]

Facter doesn't support arrays, only strings until v2.0, so the only way I know if what you did, although I usually use this form:

Anyfact => value1,value2,value3

And then just split with the ,

Regards,

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[Ritesh Nanda]

Thanks Jose

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 With Regards 

 Ritesh Nanda

[Antoine Cotten]

Actually Facter does support arrays since v2.0.1, Ritesh did not mention which version he was using.

Ritesh if you use Facter 2.0.1 I recommend you to make sure your fact is an actual Structured Fact, like described in this documentation page: Facter 2.0: Overview of Custom Facts With Examples
I suspect you're trying to build an array from Strings using a funny construction, like concatenate "[" and "]" to your data, am I right? This is indeed how you define it in Puppet DSL, but in Ruby (and Facter) this would still be recognized as a string.

[Ritesh Nanda]

Hello toni,

Yes , you are correct , i didn't knew about array not been supported in facter previous version . I am using 1.7.3 version.

thanks for pointing me out to the link , i will update facter and try to do in structured fashion.

Regards,

Ritesh

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