openstackconfig idempotency fix

- fixed idempotency issues with single string values
- fixed deletion of multiple values

This patch is required for I95cf32c3211bc4498eaa68e6e748a27dfd9af0fa to pass
acceptance tests

Change-Id: I619de3038cd2690bebe47cd601c085692506ac3d

lib/puppet/provider/openstack_config/ruby.rb

@@ -53,7 +53,12 @@ Puppet::Type.type(:openstack_config).provide(:ruby) do
   end
 
   def value
-    config.get_value(section, setting)
+    val = config.get_value(section, setting)
+    if !val.kind_of?(Array)
+      [val]
+    else
+      val
+    end
   end
 
   def section

lib/puppet/util/openstackconfig/section.rb

@@ -102,7 +102,7 @@ class OpenStackConfig
       if value.nil? or @settings[setting_name] == value
         @settings.delete(setting_name)
       else
-        value.eafach do |val|
+        value.each do |val|
           @settings[setting_name].delete(val)
         end
       end
@@ -134,13 +134,19 @@ class OpenStackConfig
     end
 
     def remove_lines(setting_name, value=nil)
+      if value.kind_of?(Array)
+        val_arr = value
+      else
+        val_arr = [value]
+      end
+      val_arr.each do |val|
         @lines.each_with_index do |line, index|
           if (match = @@SETTING_REGEX.match(line))
             if match[2] == setting_name
-            if value.nil? or (
+              if val.nil? or val_arr.include?(match[4])
-                value.kind_of?(Array) and value.include?(match[4])
+                @lines.delete_at(index)
-              )
+                break
-              lines.delete_at(index)
+              end
             end
           end
         end