Log response' body from a call to Prometheus (proxied by apiserver).

Sebuckle · Jan 23, 2020 · 1130f71 · 1130f71
1 parent 197beda
commit 1130f71
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/clusterloader2/pkg/prometheus/util.go b/clusterloader2/pkg/prometheus/util.go
@@ -55,8 +55,12 @@ func CheckTargetsReady(k8sClient kubernetes.Interface, selector func(Target) boo
 		ProxyGet("http", "prometheus-k8s", "9090", "api/v1/targets", nil /*params*/).
 		DoRaw()
 	if err != nil {
+		response := "(empty)"
+		if raw != nil {
+			response = string(raw)
+		}
 		// This might happen if prometheus server is temporary down, log error but don't return it.
-		klog.Warningf("error while calling prometheus api: %v", err)
+		klog.Warningf("error while calling prometheus api: %v, response: %q", err, response)
 		return false, nil
 	}
 	var response targetsResponse