Added Facter IPMI module

Author: hickey

hanlon_microkernel/facter/hnl_mk_ipmi.rb

@@ -0,0 +1,74 @@
+# Gathers hardware-related facts from the underlying system pertaining
+# to IPMI / BMC. Information gathered here is exposed directly as 
+# Facter facts for the purpose of node registration. 
+#
+
+require 'facter'
+
+attributes = {}
+if Facter.value('virtual') == 'physical'
+  # add the facts that result from running the "ipmitool mc info" command
+  last_keyname = ''
+  %x[sudo ipmitool bmc info 2> /dev/null].split(/\n/).each do |line|
+    if line.include? ':'
+      # normal key/value entries
+      key,val = line.split(/:/)
+      keyname = key.strip.downcase.tr(' ', '_')
+      val.strip! unless val.nil?
+      
+      case keyname
+      when 'additional_device_support'
+        last_keyname = 'mk_ipmi_' + keyname
+      when 'aux_firmware_rev_info'
+        last_keyname = 'mk_ipmi_' + keyname
+      else
+        attributes['mk_ipmi_' + keyname] = val
+      end
+    else
+      # multi value entries for last_keyname
+      attributes[last_keyname] ||= []
+      attributes[last_keyname] << line.strip
+    end
+  end
+      
+  # add the facts that result from running the "ipmitool lan print" command
+  %x[sudo ipmitool lan print 2> /dev/null].split(/\n/).each do |line|
+    key,val = line.split(/:/)
+    keyname = key.strip.downcase.tr(' ', '_')
+    val.strip! unless val.nil?
+      
+    case keyname
+    when /set_in_progress|auth_type_enable/
+      # ignore
+    when /^$/
+      # ignore
+    else
+      attributes['mk_ipmi_' + keyname] = val
+    end
+  end
+  
+  # add the facts that result from running the "ipmitool fru print" command
+  fru_id = '0'
+  %x[sudo ipmitool fru print 2> /dev/null].split(/\n/).each do |line|
+    if line.include? ':'
+      key,val = line.split(/:/)
+      keyname = key.strip.downcase.tr(' ', '_')
+      val.strip! unless val.nil?
+      
+      case keyname
+      when 'fru_device_description'
+        # value has the device id in it
+        fru_id = val.gsub(/^.*ID\s+(\d+).*$/, '\1')
+      else
+        attributes['mk_ipmi_fru_' + fru_id + '_' + keyname] = val
+      end
+    end
+  end
+end
+
+attributes.each_pair do |fact,value|
+  Facter.add(fact) do
+    setcode { value }
+  end
+end
+