Backport of Filter api-gateway cache logging to reduce log output on …

…server disconnect into release/1.2.x (#2893) * backport of commit 76913ec * backport of commit 9c48dc4 --------- Co-authored-by: Curt Bushko <[email protected]>
hashicorp · Sep 5, 2023 · 653e7fd · 653e7fd
1 parent 0e562d7
commit 653e7fd
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diff --git a/.changelog/2880.txt b/.changelog/2880.txt
@@ -0,0 +1,3 @@
+```release-note:improvement
+api-gateway: reduce log output when disconnecting from consul server 
+```
diff --git a/control-plane/api-gateway/cache/consul.go b/control-plane/api-gateway/cache/consul.go
@@ -196,7 +196,9 @@ func (c *Cache) subscribeToConsul(ctx context.Context, kind string) {
 		if err != nil {
 			// if we timeout we don't care about the error message because it's expected to happen on long polls
 			// any other error we want to alert on
-			if !strings.Contains(strings.ToLower(err.Error()), "timeout") {
+			if !strings.Contains(strings.ToLower(err.Error()), "timeout") &&
+				!strings.Contains(strings.ToLower(err.Error()), "no such host") &&
+				!strings.Contains(strings.ToLower(err.Error()), "connection refused") {
 				c.logger.Error(err, fmt.Sprintf("error fetching config entries for kind: %s", kind))
 			}
 			continue