From 3e4ae80c124cf7e6e9d015f827cd2cc1c332088b Mon Sep 17 00:00:00 2001
From: Vladimir Mihailenco <vladimir.webdev@gmail.com>
Date: Wed, 12 Oct 2022 17:18:55 +0300
Subject: [PATCH] chore: improve instrumentation example

---
 example_instrumentation_test.go | 7 ++++++-
 extra/redisotel/README.md       | 4 +++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/example_instrumentation_test.go b/example_instrumentation_test.go
index 9e8179a..e03956e 100644
--- a/example_instrumentation_test.go
+++ b/example_instrumentation_test.go
@@ -14,7 +14,10 @@ var _ redis.Hook = redisHook{}
 
 func (redisHook) DialHook(hook redis.DialHook) redis.DialHook {
 	return func(ctx context.Context, network, addr string) (net.Conn, error) {
-		return hook(ctx, network, addr)
+		fmt.Printf("dialing %s %s\n", network, addr)
+		conn, err := hook(ctx, network, addr)
+		fmt.Printf("finished dialing %s %s\n", network, addr)
+		return conn, err
 	}
 }
 
@@ -44,6 +47,8 @@ func Example_instrumentation() {
 
 	rdb.Ping(ctx)
 	// Output: starting processing: <ping: >
+	// dialing tcp :6379
+	// finished dialing tcp :6379
 	// finished processing: <ping: PONG>
 }
 
diff --git a/extra/redisotel/README.md b/extra/redisotel/README.md
index 66c33c9..d9c2e0d 100644
--- a/extra/redisotel/README.md
+++ b/extra/redisotel/README.md
@@ -21,4 +21,6 @@ rdb := rdb.NewClient(&rdb.Options{...})
 rdb.AddHook(redisotel.NewTracingHook())
 ```
 
-See [example](example) and [documentation](https://redis.uptrace.dev/tracing/) for more details.
+See [example](example) and
+[Monitoring Go Redis Performance and Errors](https://redis.uptrace.dev/guide/go-redis-monitoring.html)
+for details.