Provide API for building AuthOptions from env vars.
diff --git a/osutil/region.go b/osutil/region.go
new file mode 100644
index 0000000..31288df
--- /dev/null
+++ b/osutil/region.go
@@ -0,0 +1,10 @@
+package osutil
+
+import "os"
+
+// Region provides a means of querying the OS_REGION_NAME environment variable.
+// At present, you may also use os.Getenv("OS_REGION_NAME") as well.
+func Region() string {
+	return os.Getenv("OS_REGION_NAME")
+}
+