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print more error details about CertSANs validation

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This commit is contained in:
SataQiu 2019-01-20 08:42:09 +08:00
parent 6ce59dd1a2
commit 7bf6ff2ec1
1 changed files with 4 additions and 2 deletions
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6
cmd/kubeadm/app/apis/kubeadm/validation/validation.go
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@ -307,8 +307,10 @@ func ValidateEtcd(e *kubeadm.Etcd, fldPath *field.Path) field.ErrorList {
func ValidateCertSANs(altnames []string, fldPath *field.Path) field.ErrorList { func ValidateCertSANs(altnames []string, fldPath *field.Path) field.ErrorList {
allErrs := field.ErrorList{} allErrs := field.ErrorList{}
for _, altname := range altnames { for _, altname := range altnames {
if len(validation.IsDNS1123Subdomain(altname)) != 0 && net.ParseIP(altname) == nil { if errs := validation.IsDNS1123Subdomain(altname); len(errs) != 0 {
allErrs = append(allErrs, field.Invalid(fldPath, altname, "altname is not a valid dns label or ip address")) if net.ParseIP(altname) == nil {
allErrs = append(allErrs, field.Invalid(fldPath, altname, fmt.Sprintf("altname is not a valid IP address or DNS label: %s", strings.Join(errs, "; "))))
}
} }
} }
return allErrs return allErrs