tracker: Export vars

diff --git a/tracker/expvar.go b/tracker/expvar.go
new file mode 100644 (file)
index 0000000..de5a498
--- /dev/null
+++ b/tracker/expvar.go
@@ -0,0 +1,7 @@
+package tracker
+
+import (
+       "expvar"
+)
+
+var vars = expvar.NewMap("tracker")