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strategy.go
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strategy.go
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package clusterpolicy
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"
authorizationapi "github.com/openshift/origin/pkg/authorization/api"
"github.com/openshift/origin/pkg/authorization/api/validation"
)
// strategy implements behavior for nodes
type strategy struct {
runtime.ObjectTyper
}
// Strategy is the default logic that applies when creating and updating ClusterPolicy objects.
var Strategy = strategy{kapi.Scheme}
func (strategy) NamespaceScoped() bool {
return false
}
// AllowCreateOnUpdate is false for policies.
func (strategy) AllowCreateOnUpdate() bool {
return false
}
func (strategy) AllowUnconditionalUpdate() bool {
return false
}
func (strategy) GenerateName(base string) string {
return base
}
// PrepareForCreate clears fields that are not allowed to be set by end users on creation.
func (strategy) PrepareForCreate(obj runtime.Object) {
policy := obj.(*authorizationapi.ClusterPolicy)
policy.Name = authorizationapi.PolicyName
}
// PrepareForUpdate clears fields that are not allowed to be set by end users on update.
func (strategy) PrepareForUpdate(obj, old runtime.Object) {
_ = obj.(*authorizationapi.ClusterPolicy)
}
// Canonicalize normalizes the object after validation.
func (strategy) Canonicalize(obj runtime.Object) {
}
// Validate validates a new policy.
func (strategy) Validate(ctx kapi.Context, obj runtime.Object) field.ErrorList {
return validation.ValidateClusterPolicy(obj.(*authorizationapi.ClusterPolicy))
}
// ValidateUpdate is the default update validation for an end user.
func (strategy) ValidateUpdate(ctx kapi.Context, obj, old runtime.Object) field.ErrorList {
return validation.ValidateClusterPolicyUpdate(obj.(*authorizationapi.ClusterPolicy), old.(*authorizationapi.ClusterPolicy))
}
// Matcher returns a generic matcher for a given label and field selector.
func Matcher(label labels.Selector, field fields.Selector) generic.Matcher {
return &generic.SelectionPredicate{
Label: label,
Field: field,
GetAttrs: func(obj runtime.Object) (labels.Set, fields.Set, error) {
policy, ok := obj.(*authorizationapi.ClusterPolicy)
if !ok {
return nil, nil, fmt.Errorf("not a policy")
}
return labels.Set(policy.ObjectMeta.Labels), authorizationapi.ClusterPolicyToSelectableFields(policy), nil
},
}
}