.

lib/puppet/provider/hocon_setting/ruby.rb

@@ -11,9 +11,7 @@ def self.namevar(section_name, setting)
   end
 
   def exists?
-    # we only want to check for the individual element for idempotence when
-    # absent, otherwise the new value will be picked up by insync?
-    if resource[:type] == 'array_element' and resource[:ensure] == :absent
+    if resource[:type] == 'array_element'
       Array(@resource[:value]).each do |v|
         if value.flatten.include?(v)
           return true
@@ -97,8 +95,9 @@ def remove_value(value_to_remove)
     if resource[:type] == 'array_element'
       new_value_tmp = []
       val = value
-      new_value_tmp << val
-      new_value_tmp.flatten!
+      Array(val).each do |v|
+        new_value_tmp << v
+      end
       Array(value_to_remove).each do |v|
         new_value_tmp.delete(v)
       end
@@ -113,10 +112,16 @@ def remove_value(value_to_remove)
   def set_value(value_to_set)
     if resource[:type] == 'array_element'
       tmp_val = []
-      tmp_val << value
-      tmp_val << value_to_set
-      tmp_val.flatten!
-      tmp_val.uniq!
+      val = value
+      Array(val).each do |v|
+        tmp_val << v
+      end
+      Array(value_to_set).each do |v|
+        unless tmp_val.include?(v)
+          tmp_val << v
+        end
+      end
+
       new_value = Hocon::ConfigValueFactory.from_any_ref(tmp_val, nil)
     elsif resource[:type] == 'array' || (value_to_set.is_a?(String) && resource[:type] != 'text') || (value_to_set.is_a?(Array) && value_to_set.size > 1)
       new_value = Hocon::ConfigValueFactory.from_any_ref(value_to_set, nil)