From 8a4c8dc3b08cd0f81ce1c79ac8fca3f58e2f7792 Mon Sep 17 00:00:00 2001
From: Hitoshi Mitake <mitake.hitoshi@lab.ntt.co.jp>
Date: Wed, 20 Sep 2017 17:01:04 +0900
Subject: [PATCH] e2e: log an error of TempDir() during the preparation of
 cluster creation

---
 e2e/cluster_test.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/e2e/cluster_test.go b/e2e/cluster_test.go
index 0ea7bd24b..7d3fe6a1e 100644
--- a/e2e/cluster_test.go
+++ b/e2e/cluster_test.go
@@ -197,7 +197,7 @@ func (cfg *etcdProcessClusterConfig) etcdServerProcessConfigs() []*etcdServerPro
 			var derr error
 			dataDirPath, derr = ioutil.TempDir("", name+".etcd")
 			if derr != nil {
-				panic("could not get tempdir for datadir")
+				panic(fmt.Sprintf("could not get tempdir for datadir: %s", derr))
 			}
 		}
 		initialCluster[i] = fmt.Sprintf("%s=%s", name, purl.String())