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strategy.go
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strategy.go
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package registry
import (
"fmt"
kapi "k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/fields"
"k8s.io/kubernetes/pkg/labels"
"k8s.io/kubernetes/pkg/registry/generic"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/util/validation/field"
"github.com/openshift/origin/pkg/template/api"
"github.com/openshift/origin/pkg/template/api/validation"
)
// templateStrategy implements behavior for Templates
type templateStrategy struct {
runtime.ObjectTyper
kapi.NameGenerator
}
// Strategy is the default logic that applies when creating and updating Template
// objects via the REST API.
var Strategy = templateStrategy{kapi.Scheme, kapi.SimpleNameGenerator}
// NamespaceScoped is true for templates.
func (templateStrategy) NamespaceScoped() bool {
return true
}
// PrepareForUpdate clears fields that are not allowed to be set by end users on update.
func (templateStrategy) PrepareForUpdate(obj, old runtime.Object) {}
// Canonicalize normalizes the object after validation.
func (templateStrategy) Canonicalize(obj runtime.Object) {
}
// PrepareForCreate clears fields that are not allowed to be set by end users on creation.
func (templateStrategy) PrepareForCreate(obj runtime.Object) {
}
// Validate validates a new template.
func (templateStrategy) Validate(ctx kapi.Context, obj runtime.Object) field.ErrorList {
return validation.ValidateTemplate(obj.(*api.Template))
}
// AllowCreateOnUpdate is false for templates.
func (templateStrategy) AllowCreateOnUpdate() bool {
return false
}
func (templateStrategy) AllowUnconditionalUpdate() bool {
return false
}
// ValidateUpdate is the default update validation for an end user.
func (templateStrategy) ValidateUpdate(ctx kapi.Context, obj, old runtime.Object) field.ErrorList {
return validation.ValidateTemplateUpdate(obj.(*api.Template), old.(*api.Template))
}
// Matcher returns a generic matcher for a given label and field selector.
func Matcher(label labels.Selector, field fields.Selector) generic.Matcher {
return generic.MatcherFunc(func(obj runtime.Object) (bool, error) {
o, ok := obj.(*api.Template)
if !ok {
return false, fmt.Errorf("not a pod")
}
return label.Matches(labels.Set(o.Labels)) && field.Matches(api.TemplateToSelectableFields(o)), nil
})
}