From db56ee0e28ac753f4864cee7163bc07b8d54a6e1 Mon Sep 17 00:00:00 2001
From: Aliaksandr Valialkin <valyala@gmail.com>
Date: Tue, 6 Apr 2021 11:11:40 +0300
Subject: [PATCH] lib/promscrape/discovery/kubernetes: register pending
 apiWatchers in uw.aws

---
 lib/promscrape/discovery/kubernetes/api_watcher.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/promscrape/discovery/kubernetes/api_watcher.go b/lib/promscrape/discovery/kubernetes/api_watcher.go
index d5def2f29..e6c56212b 100644
--- a/lib/promscrape/discovery/kubernetes/api_watcher.go
+++ b/lib/promscrape/discovery/kubernetes/api_watcher.go
@@ -437,6 +437,9 @@ func (uw *urlWatcher) registerPendingAPIWatchers() {
 	for aw := range uw.awsPending {
 		awsPending = append(awsPending, aw)
 		delete(uw.awsPending, aw)
+		if _, ok := uw.aws[aw]; !ok {
+			uw.aws[aw] = struct{}{}
+		}
 	}
 	uw.reloadScrapeWorksForAPIWatchers(awsPending, uw.objectsByKey)
 	uw.mu.Unlock()