From 368206d2f5e3b19df2e7a6dca0daae67cd63b78b Mon Sep 17 00:00:00 2001
From: Tobias Schmidt <tobidt@gmail.com>
Date: Fri, 5 May 2017 14:58:36 +0200
Subject: [PATCH] Handle errSeriesDropped correctly

If metrics_relabel_configs are used to drop metrics, an errSeriesDropped
is returned. This shouldn't be used to return an error at the end of a
append() call.
---
 retrieval/scrape.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/retrieval/scrape.go b/retrieval/scrape.go
index 98e15fb00..453559ae8 100644
--- a/retrieval/scrape.go
+++ b/retrieval/scrape.go
@@ -554,6 +554,7 @@ loop:
 			case storage.ErrNotFound:
 				ok = false
 			case errSeriesDropped:
+				err = nil
 				continue
 			default:
 				break loop
@@ -568,6 +569,7 @@ loop:
 			switch err {
 			case nil:
 			case errSeriesDropped:
+				err = nil
 				continue
 			default:
 				break loop