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validation.go
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validation.go
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package validation
import (
"github.com/GoogleCloudPlatform/kubernetes/pkg/api/errors"
"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
"github.com/openshift/origin/pkg/image/api"
)
// ValidateImage tests required fields for an Image.
func ValidateImage(image *api.Image) errors.ValidationErrorList {
result := errors.ValidationErrorList{}
if len(image.Name) == 0 {
result = append(result, errors.NewFieldRequired("name", image.Name))
}
if !util.IsDNSSubdomain(image.Namespace) {
result = append(result, errors.NewFieldInvalid("namespace", image.Namespace, ""))
}
if len(image.DockerImageReference) == 0 {
result = append(result, errors.NewFieldRequired("dockerImageReference", image.DockerImageReference))
} else {
_, _, _, _, err := api.SplitDockerPullSpec(image.DockerImageReference)
if err != nil {
result = append(result, errors.NewFieldInvalid("dockerImageReference", image.DockerImageReference, err.Error()))
}
}
return result
}
// ValidateImageRepository tests required fields for an ImageRepository.
func ValidateImageRepository(repo *api.ImageRepository) errors.ValidationErrorList {
result := errors.ValidationErrorList{}
if repo.Tags == nil {
repo.Tags = make(map[string]string)
}
if len(repo.Name) == 0 {
result = append(result, errors.NewFieldRequired("name", repo.Name))
}
if !util.IsDNSSubdomain(repo.Namespace) {
result = append(result, errors.NewFieldInvalid("namespace", repo.Namespace, ""))
}
if len(repo.DockerImageRepository) != 0 {
_, _, _, _, err := api.SplitDockerPullSpec(repo.DockerImageRepository)
if err != nil {
result = append(result, errors.NewFieldInvalid("dockerImageRepository", repo.DockerImageRepository, err.Error()))
}
}
return result
}
// ValidateImageRepositoryMapping tests required fields for an ImageRepositoryMapping.
func ValidateImageRepositoryMapping(mapping *api.ImageRepositoryMapping) errors.ValidationErrorList {
result := errors.ValidationErrorList{}
hasRepository := len(mapping.DockerImageRepository) != 0
hasName := len(mapping.Name) != 0
switch {
case hasRepository:
_, _, _, _, err := api.SplitDockerPullSpec(mapping.DockerImageRepository)
if err != nil {
result = append(result, errors.NewFieldInvalid("dockerImageRepository", mapping.DockerImageRepository, err.Error()))
}
case hasName:
default:
result = append(result, errors.NewFieldRequired("name", ""))
result = append(result, errors.NewFieldRequired("dockerImageRepository", ""))
}
if !util.IsDNSSubdomain(mapping.Namespace) {
result = append(result, errors.NewFieldInvalid("namespace", mapping.Namespace, ""))
}
if len(mapping.Tag) == 0 {
result = append(result, errors.NewFieldRequired("tag", mapping.Tag))
}
if len(mapping.Image.Namespace) == 0 {
mapping.Image.Namespace = mapping.Namespace
}
if errs := ValidateImage(&mapping.Image).Prefix("image"); len(errs) != 0 {
result = append(result, errs...)
}
return result
}