Is this user on the Puppet server/master? Because Puppet functions are
evaluated there and never on the agent.
Regards
Andreas
On 03/09/2018 01:04 PM, Dirk Heinrichs wrote:
> Hi,
>
>
>
> I’m trying to write a custom function to get the primary group of a
> given user. The following works in plain Ruby:
>
>
>
> def primary_group_of(user:)
>
> require 'etc'
>
> return Etc.getgrgid(Etc.getpwnam(user).gid).name
>
> end
>
>
>
> puts primary_group_of(user: 'username' )
>
>
>
> Translated into a Puppet function, it looks like:
>
>
>
> Puppet::Functions.create_function(:'mylib::primary_group_of') do
>
> dispatch :primary_group_of do
>
> param 'String', :user
>
> end
>
>
>
> def primary_group_of(user)
>
> require 'etc'
>
> return Etc.getgrgid(Etc.getpwnam(user).gid).name
>
> end
>
> end
>
>
>
> But this, when executed from within a simple file resource like this
>
>
>
> class testing {
>
> file { '/tmp/test':
>
> content => 'foo',
>
> owner => 'username',
>
> group => mylib::primary_group_of('username'),
>
> }
>
> }
>
>
>
> Only yields: “…Error while evaluating a Function Call, undefined method
> `gid' for nil:NilClass…”
>
>
>
> Any hints as to what could be wrong here? Seems it doesn’t do the
> “require”, but I’m not sure. Documentation doesn’t say anything about
> using Ruby library modules.
>
>
>
> Thanks…
>
>
>
> Dirk
>
>
>
> *Dirk Heinrichs*
>
> Senior Systems Engineer, Delivery Pipeline
>
> OpenText ™ Discovery | Recommind
>
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>
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>
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