Merge branch '14196-api-v2-tokens' refs #14196

[arvados.git] / sdk / go / keepclient / discover.go

diff --git a/sdk/go/keepclient/discover.go b/sdk/go/keepclient/discover.go
index c5413d4a4b067c041141b89109afd81a144ed2a6..4377c1951528c4eab88a3525934669c9457f954c 100644 (file)
--- a/sdk/go/keepclient/discover.go
+++ b/sdk/go/keepclient/discover.go
@@ -1,3 +1,7 @@
+// Copyright (C) The Arvados Authors. All rights reserved.
+//
+// SPDX-License-Identifier: Apache-2.0
+
 package keepclient
 
 import (
@@ -15,17 +19,23 @@ import (
 )
 
 // ClearCache clears the Keep service discovery cache.
-func ClearCache() {
+func RefreshServiceDiscovery() {
        svcListCacheMtx.Lock()
        defer svcListCacheMtx.Unlock()
+       var wg sync.WaitGroup
        for _, ent := range svcListCache {
-               ent.clear <- struct{}{}
+               wg.Add(1)
+               go func() {
+                       ent.clear <- struct{}{}
+                       wg.Done()
+               }()
        }
+       wg.Wait()
 }
 
 // ClearCacheOnSIGHUP installs a signal handler that calls
 // ClearCache when SIGHUP is received.
-func ClearCacheOnSIGHUP() {
+func RefreshServiceDiscoveryOnSIGHUP() {
        svcListCacheMtx.Lock()
        defer svcListCacheMtx.Unlock()
        if svcListCacheSignal != nil {
@@ -35,7 +45,7 @@ func ClearCacheOnSIGHUP() {
        signal.Notify(svcListCacheSignal, syscall.SIGHUP)
        go func() {
                for range svcListCacheSignal {
-                       ClearCache()
+                       RefreshServiceDiscovery()
                }
        }()
 }