Added fact which determines if console is serial or vga.

custom/plugins/facter/console_type.rb

@@ -0,0 +1,30 @@
+
+Facter.add('console_type') do
+    setcode do
+	begin
+	    Facter.kernel
+	rescue
+	    Facter.loadfacts()
+	end
+	console = 'vga'
+	kernel = Facter.value('kernel')
+	if kernel == 'Linux'
+	    File.open('/proc/cmdline', 'r') do |f|
+		while line = f.gets
+		    if line =~ /console=ttyS[0-9]/
+			console = 'serial'
+		    end
+		end
+	    end
+	elsif kernel == 'OpenBSD'
+	    File.open('/etc/boot.conf', 'r') do |f|
+	        while line = f.gets
+		    if line =~ /^set tty com[0-9]$/
+		        console = 'serial'
+		    end
+		end
+	    end
+	end
+	console
+    end
+end