Added counting facts to vol module

Author: Gerard Hickey

hanlon_microkernel/facter/hnl_mk_vol.rb

@@ -17,11 +17,13 @@
 lshw_c_volume_str = %x[sudo #{lshw_cmd} -c volume 2> /dev/null]
 
 # process the results from lshw -c volume
+vols = 0
 lshw_c_volume_str.split(/\s\s\*-/).each do |definition|
   unless definition.empty?
     lines = definition.split(/\n/)
     # section title is on the first line
-    volume = lines.shift.tr(':', '')
+    volume = lines.shift.tr(':', '') and vols += 1
+
     # Create a hash of attributes for each section (i.e. cpu)
     attribs = Hash[ lines.collect { |l| l =~ /^\s*([^:]+):\s+(.*)\s*$/; v=$2; [$1.gsub(/\s/, '_'), v] } ]
     attribs.each_pair do |attrib, val|
@@ -31,3 +33,8 @@
     end
   end
 end
+
+# Report on the number volumes found
+Facter.add("mk_hw_volume_count") do
+  setcode { vols }
+end