Avoid hypens in munin variable names for composite graphs

[chef.git] / cookbooks / munin / libraries / expand.rb

diff --git a/cookbooks/munin/libraries/expand.rb b/cookbooks/munin/libraries/expand.rb
index 9269761f9ba1fa9d0e212040fc6fd88895f551d4..f9c447387b2d0dadbcb558dfb208d53d81a6e270 100644 (file)
--- a/cookbooks/munin/libraries/expand.rb
+++ b/cookbooks/munin/libraries/expand.rb
@@ -1,13 +1,17 @@
 class Chef
   class Munin
     def self.expand(template, nodes)
-      nodes.map do |node| 
-        if node.kind_of?(Hash)
-          template.gsub(/%%([^%]+)%%/) { node[$1.to_sym] }
+      nodes.map do |node|
+        if node.is_a?(Hash)
+          template
+            .gsub(/%%%([^%]+)%%%/) { node[Regexp.last_match[1].to_sym].tr("-", "_") }
+            .gsub(/%%([^%]+)%%/) { node[Regexp.last_match[1].to_sym] }
         else
-          template.gsub("%%", node)
+          template
+            .gsub("%%%", node.tr("-", "_"))
+            .gsub("%%", node)
         end
       end.join(" ")
     end
-  end 
+  end
 end