Puppet users - Oct 2012 - Concatanating result of custom function to a string

Hello,

I''m working on execution of puppet''s "puppet cert
generate
...--dns_alt_names=name1,name2,name2" using Puppet 2.7.19 and
didn''t find a
way to figure out the following:

I''d prefer to keep the list of "dns_alt_names" in a puppet
array and join()
them when I build the command string.

E.g.
$dns_alt_names = [ ''name1'', ''name2'', ...]
$command = "puppet cert generate ... --dns_alt_names=" <what goes
here?>
join($dns_alt_names, '','').

But I didn''t find a way to concatenate the output of the join() call to
the
string before it.

A couple of ways I though that might allow this are:

   1. Set a temporary variable with the output of join() and interpolate it 
   into the command with "...${temp_var}"
   2. Use inline_template()

Are these the only viable ways to achieve that?

For now I keep the names in a single string, but I think this is less 
maintainable than using an array.

Thanks,

--Amos

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Hey,

I think, you might be over-thinking this a little :)

KW

On Saturday, October 6, 2012 11:41:09 AM UTC+1, Amos Shapira
wrote:
>
> Hello,
>
> I''m working on execution of puppet''s "puppet cert
generate
> ...--dns_alt_names=name1,name2,name2" using Puppet 2.7.19 and
didn''t find a
> way to figure out the following:
>
> I''d prefer to keep the list of "dns_alt_names" in a
puppet array and
> join() them when I build the command string.
>
> E.g.
> $dns_alt_names = [ ''name1'', ''name2'',
...]
> $command = "puppet cert generate ... --dns_alt_names=" <what
goes here?>
> join($dns_alt_names, '','').
>
> But I didn''t find a way to concatenate the output of the join()
call to
> the string before it.
>
> A couple of ways I though that might allow this are:
>
>    1. Set a temporary variable with the output of join() and interpolate 
>    it into the command with "...${temp_var}"
>    2. Use inline_template()
>
> Are these the only viable ways to achieve that?
>
> For now I keep the names in a single string, but I think this is less 
> maintainable than using an array.
>
> Thanks,
>
> --Amos
>
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On Saturday, October 6, 2012 5:41:09 AM UTC-5, Amos Shapira
wrote:
>
> Hello,
>
> I''m working on execution of puppet''s "puppet cert
generate
> ...--dns_alt_names=name1,name2,name2" using Puppet 2.7.19 and
didn''t find a
> way to figure out the following:
>
> I''d prefer to keep the list of "dns_alt_names" in a
puppet array and
> join() them when I build the command string.
>
> E.g.
> $dns_alt_names = [ ''name1'', ''name2'',
...]
> $command = "puppet cert generate ... --dns_alt_names=" <what
goes here?>
> join($dns_alt_names, '','').
>

So, this sort of one-time provisioning task is not the sort of thing I 
would normally look to automate via Puppet.

 
>
> But I didn''t find a way to concatenate the output of the join()
call to
> the string before it.
>
> A couple of ways I though that might allow this are:
>
>    1. Set a temporary variable with the output of join() and interpolate 
>    it into the command with "...${temp_var}"
>    2. Use inline_template()
>
> Are these the only viable ways to achieve that?
>
No, but they''re probably the easiest and best.
 

John

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