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strategy.go
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strategy.go
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package deployconfig
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/fielderrors"
"github.com/openshift/origin/pkg/deploy/api"
"github.com/openshift/origin/pkg/deploy/api/validation"
)
// strategy implements behavior for DeploymentConfig objects
type strategy struct {
runtime.ObjectTyper
kapi.NameGenerator
}
// Strategy is the default logic that applies when creating and updating DeploymentConfig objects.
var Strategy = strategy{kapi.Scheme, kapi.SimpleNameGenerator}
// NamespaceScoped is true for DeploymentConfig objects.
func (strategy) NamespaceScoped() bool {
return true
}
// AllowCreateOnUpdate is false for DeploymentConfig objects.
func (strategy) AllowCreateOnUpdate() bool {
return false
}
func (strategy) AllowUnconditionalUpdate() bool {
return false
}
// PrepareForCreate clears fields that are not allowed to be set by end users on creation.
func (strategy) PrepareForCreate(obj runtime.Object) {
_ = obj.(*api.DeploymentConfig)
// TODO: need to ensure status.latestVersion is not set out of order
}
// PrepareForUpdate clears fields that are not allowed to be set by end users on update.
func (strategy) PrepareForUpdate(obj, old runtime.Object) {
_ = obj.(*api.DeploymentConfig)
// TODO: need to ensure status.latestVersion is not set out of order
}
// Validate validates a new policy.
func (strategy) Validate(ctx kapi.Context, obj runtime.Object) fielderrors.ValidationErrorList {
return validation.ValidateDeploymentConfig(obj.(*api.DeploymentConfig))
}
// ValidateUpdate is the default update validation for an end user.
func (strategy) ValidateUpdate(ctx kapi.Context, obj, old runtime.Object) fielderrors.ValidationErrorList {
return validation.ValidateDeploymentConfigUpdate(obj.(*api.DeploymentConfig), old.(*api.DeploymentConfig))
}
// CheckGracefulDelete allows a build to be gracefully deleted.
func (strategy) CheckGracefulDelete(obj runtime.Object, options *kapi.DeleteOptions) bool {
return false
}
// 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) {
deploymentConfig, ok := obj.(*api.DeploymentConfig)
if !ok {
return nil, nil, fmt.Errorf("not a DeploymentConfig")
}
return labels.Set(deploymentConfig.ObjectMeta.Labels), SelectableFields(deploymentConfig), nil
},
}
}
// SelectableFields returns a label set that represents the object
func SelectableFields(deploymentConfig *api.DeploymentConfig) fields.Set {
return fields.Set{
"metadata.name": deploymentConfig.Name,
}
}