2 files changed, 23 insertions, 0 deletions
diff --git a/lib/facter/acpi_available.rb b/lib/facter/acpi_available.rb
new file mode 100644
index 0000000..9a0474f
--- /dev/null
+++ b/lib/facter/acpi_available.rb
@@ -0,0 +1,10 @@
+# return whether acpi is available -- used for deciding whether to install the munin plugin
+Facter.add("acpi_available") do
+    setcode do
+    	if not File.exist? `which acpi 2>/dev/null`.chomp or `acpi -t -B -A 2>/dev/null`.match(/\d/).nil?
+    		"absent"
+    	else
+    		"present"
+    	end
+    end
+end
diff --git a/lib/facter/interfaces.rb b/lib/facter/interfaces.rb
new file mode 100755
index 0000000..a498d64
--- /dev/null
+++ b/lib/facter/interfaces.rb
@@ -0,0 +1,13 @@
+# return the set of active interfaces as an array
+Facter.add("interfaces") do
+	setcode do
+		`ip -o link show`.split(/\n/).collect do |line|
+			value = nil
+			matches = line.match(/^\d*: ([^:]*): <(.*,)?UP(,.*)?>/)
+			if !matches.nil?
+				value = matches[1]
+			end
+			value
+		end.compact.sort.join(" ")
+	end
+end