Puppet users - Apr 2012 - Custom Function to generate random password

Hi,

I''m currently trying to write a simple function to generate a random
password. I have looked at the fqdn_rand.rb script to get things going
but unfortunately my ruby skills are very bad.

I found the following code snippet that does what I need:

begin
def random_password(size = 8)
  chars = ((''a''..''z'').to_a +
(''0''..''9'').to_a) - %w(i o 0 1 l 0)
  (1..size).collect{|a| chars[rand(chars.size)] }.join
end

puts random_password.inspect
end

I just can''t get this to work in my custom function:

cat ../lib/puppet/parser/functions/rand_pw.rb

Puppet::Parser::Functions::newfunction(:rand_pw, :type
=> :rvalue, :doc => "Returns a random string.") do |args|
  chars = ((''a''..''z'').to_a +
(''0''..''9'').to_a) - %w(i o 0 1 l 0)
  (1..args[0]).collect{|a| chars[rand(chars.args[0])] }.join
end

and this is the function call in the manifest:

$username2pass = rand_pw(10)

The error I get is:

err: Could not retrieve catalog from remote server: Error 400 on
SERVER: bad value for range at /etc/puppet/modules/production/users/
manifests/params.pp:11 on node

Regards,

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Hi,

On Tuesday, 3 April 2012 07:36:06 UTC+1, r0k5t4r wrote:
>
> Hi, 
>
> I''m currently trying to write a simple function to generate a
random
> password. I have looked at the fqdn_rand.rb script to get things going 
> but unfortunately my ruby skills are very bad. 
>
[...]

Try this one: 
https://github.com/kwilczynski/puppet-functions/blob/master/lib/puppet/parser/functions/random_password.rb

KW

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Hi,

thanks a lot. Just what I was looking for. Works like a charm. :)

Best Regards

On 3 Apr., 13:36, Krzysztof Wilczynski
<krzysztof.wilczyn...@linux.com> wrote:
> Hi,
>
> On Tuesday, 3 April 2012 07:36:06 UTC+1, r0k5t4r wrote:
>
> > Hi,
>
> > I''m currently trying to write a simple function to generate a
random
> > password. I have looked at the fqdn_rand.rb script to get things going
> > but unfortunately my ruby skills are very bad.
>
> [...]
>
> Try this
one:https://github.com/kwilczynski/puppet-functions/blob/master/lib/puppe...
>
> KW
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Hi,

I am glad you found it useful.

KW

On Tuesday, 3 April 2012 14:01:44 UTC+1, r0k5t4r wrote:
>
> Hi, 
>
> thanks a lot. Just what I was looking for. Works like a charm. :) 
>
> Best Regards 
>
> On 3 Apr., 13:36, Krzysztof Wilczynski 
> <krzysztof.wilczyn...@linux.com> wrote: 
> > Hi, 
> > 
> > On Tuesday, 3 April 2012 07:36:06 UTC+1, r0k5t4r wrote: 
> > 
> > > Hi, 
> > 
> > > I''m currently trying to write a simple function to
generate a random
> > > password. I have looked at the fqdn_rand.rb script to get things
going
> > > but unfortunately my ruby skills are very bad. 
> > 
> > [...] 
> > 
> > Try this one:
> https://github.com/kwilczynski/puppet-functions/blob/master/lib/puppe... 
> > 
> > KW
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