Excellent, sir! Thank you very much for the tip and clear information.
Thanks again.
Doug
On Wednesday, August 10, 2016 at 5:48:47 PM UTC-5, Peter Huene wrote:
>
> Hi Doug:
>
> On Wed, Aug 10, 2016 at 12:28 PM, dkoleary <dkol...@olearycomputers.com
> <javascript:>> wrote:
>
>> Hey
>>
>> I'm setting up a module to handle our smtp config.
>>
>> My simple if statement is:
>>
>> if ($facts['os']['release']['major'] > 5 ) {
>>
>>
>> results in a bright red error stating:
>>
>> Error: Could not retrieve catalog from remote server: Error 400 on SERVER
>> : Evaluation Error: Error while evaluating a Resource Statement,
>> Evaluation Error: Comparison of: String > Integer, is not possible.
>> Caused by '*A String is not comparable to a non String'*. at /etc/
>> puppetlabs/code/environments/dkoleary/modules/mpismtp/manifests/init.pp:
>> 50:40 on node nap1d030.multiplan.com
>>
>> Facts are obviously interpreted as strings. Several posts referenced
>> that puppet will auto-translate strings to integers if appropriate. So,
>> figuring there was something special about the facts hash, I created a
>> variable for it:
>>
>
> Recent versions of Puppet do not "stringify" facts and Facter 3 outputs
> facts of many different types, including numerical. However, Facter's
> schema defines this particular fact as being a string because it cannot
> limit any component of a version string to be numerical; for example, a
> valid version string could just be a release code name.
>
>
>>
>> $mpismpt_orm = $facts['os']['release']['major']
>> if ($mpismpt_orm > 5) {
>>
>> with the same result. It wasn't until I updated the var declaration as
>> "$mpismpt_orm = 0 + $facts['os']['release']['major']" that this works - a
>> hint in a post from 2010. There has to be a better way to have facts be
>> interpreted as numbers, doesn't there?
>>
>
> The Puppet compiler only automatically coerces strings to numeric types
> for arithmetic operations, such as the plus operator, as you've noticed;
> the comparison operators do no such coercion.
>
> In Puppet 4.5+, you can use the `new` function (
> https://docs.puppet.com/puppet/latest/reference/function.html#new) to
> perform type conversions:
>
> if Integer($facts['os']['release']['major']) > 5 {
> # ...
> }
>
> This example will explicitly convert the string to an integer using the
> "type-conversion-like" syntax for invoking the new function. It is
> semantically equivalent to explicitly invoking the `new` function, like so:
>
> if Integer.new($facts['os']['release']['major']) > 5 {
> # ...
> }
>
> On older versions, you can use the conversion technique you've already
> discovered or the `scanf` function (
> https://docs.puppet.com/puppet/latest/reference/function.html#scanf).
>
> Hope this helps.
>
>
>>
>> It works so, if all else fails, I'm good. It just seems that something
>> should have changed in this regards in the last 7 years.
>>
>> Thanks for any information.
>>
>> Doug O'Leary
>>
>>
>>
>>
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>
>
>
> --
> --
> Peter Huene - Senior Software Engineer
> peter...@puppet.com <javascript:> | @peterhuene
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