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
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