From ff8c8db9d3d30ec3cdaa0bc6c7ff60bba60e86d7 Mon Sep 17 00:00:00 2001
From: Brad Fitzpatrick <bradfitz@tailscale.com>
Date: Thu, 30 Jul 2020 08:49:17 -0700
Subject: [PATCH] cmd/tailscaled: log on shutdown signal

---
 cmd/tailscaled/tailscaled.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/cmd/tailscaled/tailscaled.go b/cmd/tailscaled/tailscaled.go
index 90c44a492..e4dbf220d 100644
--- a/cmd/tailscaled/tailscaled.go
+++ b/cmd/tailscaled/tailscaled.go
@@ -153,7 +153,8 @@ func run() error {
 		interrupt := make(chan os.Signal, 1)
 		signal.Notify(interrupt, syscall.SIGINT, syscall.SIGTERM)
 		select {
-		case <-interrupt:
+		case s := <-interrupt:
+			logf("tailscaled got signal %v; shutting down", s)
 			cancel()
 		case <-ctx.Done():
 			// continue