puppet calling_class/module_name with hiera

classes-strobenet.yaml

strobenet::test2::dropIPs:
   - CLASSESmodulename

global.yaml

strobenet::test2::dropIPs:
   - GLOBALfallback

puppet run output

Notice: calling_class1:                                                                              
Notice: /Stage[main]/Strobenet::Test2/Notify[calling_class1: ]/message: defined 'message' as 'calling_class1: '                                                                                           
Notice: calling_class3: %{calling_class}                                                             
Notice: /Stage[main]/Strobenet::Test2/Notify[calling_class3: %{calling_class}]/message: defined 'message' as 'calling_class3: %{calling_class}'                                                           
Notice: dropIPs: GLOBALfallback                                                                      
Notice: /Stage[main]/Strobenet::Test2/Notify[dropIPs: GLOBALfallback]/message: defined 'message' as 'dropIPs: GLOBALfallback'                                                                             
Notice: d2: GLOBALfallback                                                                           
Notice: /Stage[main]/Strobenet::Test2/Notify[d2: GLOBALfallback]/message: defined 'message' as 'd2: GLOBALfallback'                                                                                       
Notice: calling_class2:                                                                              
Notice: /Stage[main]/Strobenet::Test2/Notify[calling_class2: ]/message: defined 'message' as 'calling_class2: '                                                                                           
Notice: d3: strobenet                                                                                
Notice: /Stage[main]/Strobenet::Test2/Notify[d3: strobenet]/message: defined 'message' as 'd3: strobenet'                                                                                                 
Notice: calling_class4: %{::calling_class}                                                           
Notice: /Stage[main]/Strobenet::Test2/Notify[calling_class4: %{::calling_class}]/message: defined 'message' as 'calling_class4: %{::calling_class}'                                                       
Notice: Finished catalog run in 0.17 seconds                                                         

strobenet-manifests-test2.pp

class strobenet::test2 (
  $loopbackIP,
  $publicIP0,
  $publicIP1,
  $dropIPs = undef,
) {
#  package { 'iptables':
#    ensure => 'present',
#  }
#
#  service { 'iptables':
#    ensure     => running,
#    enable     => true,
#    hasrestart => true,
#  }

  $d2 = hiera(strobenet::test2::dropIPs)
  notify { "dropIPs: ${dropIPs}": }
  notify { "d2: ${d2}": }
  notify { "d3: ${module_name}": }
  notify { "calling_class1: ${calling_class}": }
  notify { "calling_class2: ${::calling_class}": }
  notify { "calling_class3: %{calling_class}": }
  notify { "calling_class4: %{::calling_class}": }

  file { 'sysconfig-iptables':
    ensure  => file,
    path    => '/etc/sysconfig/iptables',
    content => template('strobenet/sysconfig-iptables'),
#    require => Package['iptables'],
#    notify  => Service['iptables'],
  }
}

strobenet.yaml

strobenet::test2::dropIPs:
   - modulename

the output iptables file bit

│#-A DROP-INPUT -s GLOBALfallback -j REJECT --reject-with icmp-host-prohibited