check length of vds

rokkiter · rokkiter · commit 6c0e452034c8 · 2023-11-01T17:20:08.000+08:00
Signed-off-by: rokkiter &lt;yongen.pan@daocloud.io&gt;
diff --git a/pkg/kubeapiserver/discovery/group.go b/pkg/kubeapiserver/discovery/group.go
@@ -166,7 +166,9 @@ func buildAPIGroups(groups sets.Set[string], groupversions map[schema.GroupVersi
 		}
 
 		apiGroup.Versions = vds
-		apiGroup.PreferredVersion = vds[0]
+		if len(vds) != 0 {
+			apiGroup.PreferredVersion = vds[0]
+		}
 
 		apiGroups[apiGroup.Name] = apiGroup
 	}

Original file line number	Diff line number	Diff line change
`@@ -166,7 +166,9 @@ func buildAPIGroups(groups sets.Set[string], groupversions map[schema.GroupVersi`
`166`	`166`	`}`
`167`	`167`
`168`	`168`	`apiGroup.Versions = vds`
`169`		`- apiGroup.PreferredVersion = vds[0]`
	`169`	`+ if len(vds) != 0 {`
	`170`	`+ apiGroup.PreferredVersion = vds[0]`
	`171`	`+ }`
`170`	`172`
`171`	`173`	`apiGroups[apiGroup.Name] = apiGroup`
`172`	`174`	`}`