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improve the panic message of GroupOrDie

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This commit is contained in:
Chao Xu 2015-09-19 22:49:09 -07:00
parent c2f76e4ce7
commit 9c2202a771
1 changed files with 6 additions and 1 deletions
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7
pkg/api/latest/latest.go
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@ -66,7 +66,12 @@ func (g GroupMetaMap) Group(group string) (*GroupMeta, error) {
func (g GroupMetaMap) GroupOrDie(group string) *GroupMeta {
groupMeta, found := g[group]
if !found {
panic(fmt.Sprintf("no version is registered for group %v", group))
const msg = "Please check the KUBE_API_VERSIONS environment variable."
if group == "" {
panic("The legacy v1 API is not registered. " + msg)
} else {
panic(fmt.Sprintf("No version is registered for group %s. ", group) + msg)
}
}
return groupMeta
}