Added libvirt_memorysize and libvirt_processorcount facts

libvirt/lib/facter/libvirt.rb

@@ -13,7 +13,7 @@ Facter.add(:libvirt_activedomains) do
             doms.sort.join(',')
         rescue LoadError
             Facter.debug('ruby-libvirt not available')
-        rescue Exception
+        rescue Libvirt::ConnectionError
             Facter.debug('libvirt connection failed')
         end
     end
@@ -33,7 +33,49 @@ Facter.add(:libvirt_inactivedomains) do
             doms.sort.join(',')
         rescue LoadError
             Facter.debug('ruby-libvirt not available')
-        rescue Exception
+        rescue Libvirt::ConnectionError
+            Facter.debug('libvirt connection failed')
+        end
+    end
+end
+
+Facter.add(:libvirt_memorysize) do
+    confine :kernel => :linux
+    setcode do
+        begin
+            require 'libvirt'
+            conn = Libvirt::open_read_only('qemu:///system')
+            val = 0
+            conn.list_domains.each do |domid|
+                dom = conn.lookup_domain_by_id(domid)
+                val += dom.max_memory
+            end
+            conn.close
+            Facter::Memory.scale_number(val.to_f, "kB")
+        rescue LoadError
+            Facter.debug('ruby-libvirt not available')
+        rescue Libvirt::ConnectionError
+            Facter.debug('libvirt connection failed')
+        end
+    end
+end
+
+Facter.add(:libvirt_processorcount) do
+    confine :kernel => :linux
+    setcode do
+        begin
+            require 'libvirt'
+            conn = Libvirt::open_read_only('qemu:///system')
+            val = 0
+            conn.list_domains.each do |domid|
+                dom = conn.lookup_domain_by_id(domid)
+                val += dom.max_vcpus
+            end
+            conn.close
+            val.to_s
+        rescue LoadError
+            Facter.debug('ruby-libvirt not available')
+        rescue Libvirt::ConnectionError
             Facter.debug('libvirt connection failed')
         end
     end