forked from openshift/origin
/
validation.go
148 lines (114 loc) · 4.55 KB
/
validation.go
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package validation
import (
"net"
"net/url"
"os"
kvalidation "github.com/GoogleCloudPlatform/kubernetes/pkg/api/validation"
"github.com/GoogleCloudPlatform/kubernetes/pkg/util/fielderrors"
"github.com/openshift/origin/pkg/cmd/server/api"
)
func ValidateHostPort(value string, field string) fielderrors.ValidationErrorList {
allErrs := fielderrors.ValidationErrorList{}
if len(value) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldRequired(field))
} else if _, _, err := net.SplitHostPort(value); err != nil {
allErrs = append(allErrs, fielderrors.NewFieldInvalid(field, value, "must be a host:port"))
}
return allErrs
}
func ValidateCertInfo(certInfo api.CertInfo, required bool) fielderrors.ValidationErrorList {
allErrs := fielderrors.ValidationErrorList{}
if required || len(certInfo.CertFile) > 0 || len(certInfo.KeyFile) > 0 {
if len(certInfo.CertFile) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldRequired("certFile"))
}
if len(certInfo.KeyFile) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldRequired("keyFile"))
}
}
if len(certInfo.CertFile) > 0 {
allErrs = append(allErrs, ValidateFile(certInfo.CertFile, "certFile")...)
}
if len(certInfo.KeyFile) > 0 {
allErrs = append(allErrs, ValidateFile(certInfo.KeyFile, "keyFile")...)
}
return allErrs
}
func ValidateServingInfo(info api.ServingInfo) fielderrors.ValidationErrorList {
allErrs := fielderrors.ValidationErrorList{}
allErrs = append(allErrs, ValidateHostPort(info.BindAddress, "bindAddress")...)
allErrs = append(allErrs, ValidateCertInfo(info.ServerCert, false)...)
if len(info.ServerCert.CertFile) > 0 {
if len(info.ClientCA) > 0 {
allErrs = append(allErrs, ValidateFile(info.ClientCA, "clientCA")...)
}
} else {
if len(info.ClientCA) > 0 {
allErrs = append(allErrs, fielderrors.NewFieldInvalid("clientCA", info.ClientCA, "cannot specify a clientCA without a certFile"))
}
}
return allErrs
}
func ValidateKubeConfig(path string, field string) fielderrors.ValidationErrorList {
allErrs := fielderrors.ValidationErrorList{}
allErrs = append(allErrs, ValidateFile(path, field)...)
// TODO: load and parse
return allErrs
}
func ValidateRemoteConnectionInfo(remoteConnectionInfo api.RemoteConnectionInfo) fielderrors.ValidationErrorList {
allErrs := fielderrors.ValidationErrorList{}
if len(remoteConnectionInfo.URL) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldRequired("url"))
} else {
_, urlErrs := ValidateURL(remoteConnectionInfo.URL, "url")
allErrs = append(allErrs, urlErrs...)
}
if len(remoteConnectionInfo.CA) > 0 {
allErrs = append(allErrs, ValidateFile(remoteConnectionInfo.CA, "ca")...)
}
allErrs = append(allErrs, ValidateCertInfo(remoteConnectionInfo.ClientCert, false)...)
return allErrs
}
func ValidateSpecifiedIP(ipString string, field string) fielderrors.ValidationErrorList {
allErrs := fielderrors.ValidationErrorList{}
ip := net.ParseIP(ipString)
if ip == nil {
allErrs = append(allErrs, fielderrors.NewFieldInvalid(field, ipString, "must be a valid IP"))
} else if ip.IsUnspecified() {
allErrs = append(allErrs, fielderrors.NewFieldInvalid(field, ipString, "cannot be an unspecified IP"))
}
return allErrs
}
func ValidateURL(urlString string, field string) (*url.URL, fielderrors.ValidationErrorList) {
allErrs := fielderrors.ValidationErrorList{}
urlObj, err := url.Parse(urlString)
if err != nil {
allErrs = append(allErrs, fielderrors.NewFieldInvalid(field, urlString, "must be a valid URL"))
return nil, allErrs
}
if len(urlObj.Scheme) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldInvalid(field, urlString, "must contain a scheme (e.g. http://)"))
}
if len(urlObj.Host) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldInvalid(field, urlString, "must contain a host"))
}
return urlObj, allErrs
}
func ValidateNamespace(namespace, field string) fielderrors.ValidationErrorList {
allErrs := fielderrors.ValidationErrorList{}
if len(namespace) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldRequired(field))
} else if ok, _ := kvalidation.ValidateNamespaceName(namespace, false); !ok {
allErrs = append(allErrs, fielderrors.NewFieldInvalid(field, namespace, "must be a valid namespace"))
}
return allErrs
}
func ValidateFile(path string, field string) fielderrors.ValidationErrorList {
allErrs := fielderrors.ValidationErrorList{}
if len(path) == 0 {
allErrs = append(allErrs, fielderrors.NewFieldRequired(field))
} else if _, err := os.Stat(path); err != nil {
allErrs = append(allErrs, fielderrors.NewFieldInvalid(field, path, "could not read file"))
}
return allErrs
}