Merge pull request #398 from evan2645/expose-server-svid

Expose the server's SVID via endpoints package

pkg/server/endpoints/endpoints.go

@@ -45,6 +45,9 @@ type Server interface {
 	// ListenAndServe will unblock with `nil` if/when shutdown completes
 	// cleanly
 	Shutdown()
+
+	// SVID returns the server's SVID and private key
+	SVID() (*x509.Certificate, *ecdsa.PrivateKey)
 }
 
 type endpoints struct {
@@ -79,6 +82,14 @@ func (e *endpoints) Shutdown() {
 	return
 }
 
+// SVID returns the server's SVID and private key
+func (e *endpoints) SVID() (*x509.Certificate, *ecdsa.PrivateKey) {
+	e.mtx.RLock()
+	defer e.mtx.RUnlock()
+
+	return e.svid, e.svidKey
+}
+
 // listenAndServe creates listeners and starts all servers. It serves
 // as the top-most tomb routine.
 func (e *endpoints) listenAndServe() error {