Merge pull request #47417 from xilabao/print-non-existent-key

Automatic merge from submit-queue (batch tested with PRs 47417, 47638, 46930) print non-existent key in configmap **What this PR does / why we need it**: **Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #41573 **Special notes for your reviewer**: carry from #41574 **Release note**: ```release-note NONE ```

Merge pull request #47417 from xilabao/print-non-existent-key
1cbb7b14 · Kubernetes Submit Queue · GitHub · 8d770eb8 · 6abed588 · 1cbb7b14
Commit 1cbb7b14 authored Jul 16, 2017 by Kubernetes Submit Queue Committed by GitHub Jul 16, 2017
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configmap.go pkg/volume/configmap/configmap.go +1 -3

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--- a/pkg/volume/configmap/configmap.go
+++ b/pkg/volume/configmap/configmap.go
@@ -266,9 +266,7 @@ func MakePayload(mappings []v1.KeyToPath, configMap *v1.ConfigMap, defaultMode *
 				if optional {
 					continue
 				}
-				err_msg := "references non-existent config key"
-				glog.Errorf(err_msg)
-				return nil, fmt.Errorf(err_msg)
+				return nil, fmt.Errorf("configmap references non-existent config key: %s", ktp.Key)
 			}

 			fileProjection.Data = []byte(content)