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strategy.go
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strategy.go
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package imagestreammapping
import (
kapi "k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/util/validation/field"
"github.com/openshift/origin/pkg/image/api"
"github.com/openshift/origin/pkg/image/api/validation"
)
// Strategy implements behavior for image stream mappings.
type Strategy struct {
runtime.ObjectTyper
kapi.NameGenerator
defaultRegistry api.DefaultRegistry
}
// Strategy is the default logic that applies when creating ImageStreamMapping
// objects via the REST API.
func NewStrategy(defaultRegistry api.DefaultRegistry) Strategy {
return Strategy{
kapi.Scheme,
kapi.SimpleNameGenerator,
defaultRegistry,
}
}
// NamespaceScoped is true for image stream mappings.
func (s Strategy) NamespaceScoped() bool {
return true
}
// PrepareForCreate clears fields that are not allowed to be set by end users on creation.
func (s Strategy) PrepareForCreate(ctx kapi.Context, obj runtime.Object) {
ism := obj.(*api.ImageStreamMapping)
if len(ism.Image.DockerImageReference) == 0 {
internalRegistry, ok := s.defaultRegistry.DefaultRegistry()
if ok {
ism.Image.DockerImageReference = api.DockerImageReference{
Registry: internalRegistry,
Namespace: ism.Namespace,
Name: ism.Name,
ID: ism.Image.Name,
}.Exact()
}
}
// signatures can be added using "images" or "imagesignatures" resources
ism.Image.Signatures = nil
}
// Canonicalize normalizes the object after validation.
func (s Strategy) Canonicalize(obj runtime.Object) {
}
// Validate validates a new ImageStreamMapping.
func (s Strategy) Validate(ctx kapi.Context, obj runtime.Object) field.ErrorList {
mapping := obj.(*api.ImageStreamMapping)
return validation.ValidateImageStreamMapping(mapping)
}