122 lines
4 KiB
Go
122 lines
4 KiB
Go
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/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cluster
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import (
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"fmt"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/util/validation/field"
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genericapirequest "k8s.io/apiserver/pkg/request"
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"k8s.io/apiserver/pkg/storage/names"
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"k8s.io/kubernetes/federation/apis/federation"
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"k8s.io/kubernetes/federation/apis/federation/validation"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/fields"
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"k8s.io/kubernetes/pkg/registry/generic"
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apistorage "k8s.io/kubernetes/pkg/storage"
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)
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type clusterStrategy struct {
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runtime.ObjectTyper
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names.NameGenerator
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}
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var Strategy = clusterStrategy{api.Scheme, names.SimpleNameGenerator}
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func (clusterStrategy) NamespaceScoped() bool {
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return false
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}
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func ClusterToSelectableFields(cluster *federation.Cluster) fields.Set {
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return generic.ObjectMetaFieldsSet(&cluster.ObjectMeta, false)
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}
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// GetAttrs returns labels and fields of a given object for filtering purposes.
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func GetAttrs(obj runtime.Object) (labels.Set, fields.Set, error) {
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cluster, ok := obj.(*federation.Cluster)
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if !ok {
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return nil, nil, fmt.Errorf("given object is not a cluster.")
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}
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return labels.Set(cluster.ObjectMeta.Labels), ClusterToSelectableFields(cluster), nil
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}
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func MatchCluster(label labels.Selector, field fields.Selector) apistorage.SelectionPredicate {
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return apistorage.SelectionPredicate{
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Label: label,
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Field: field,
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GetAttrs: GetAttrs,
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}
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}
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// PrepareForCreate clears fields that are not allowed to be set by end users on creation.
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func (clusterStrategy) PrepareForCreate(ctx genericapirequest.Context, obj runtime.Object) {
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cluster := obj.(*federation.Cluster)
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cluster.Status = federation.ClusterStatus{}
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}
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// Validate validates a new cluster.
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func (clusterStrategy) Validate(ctx genericapirequest.Context, obj runtime.Object) field.ErrorList {
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cluster := obj.(*federation.Cluster)
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return validation.ValidateCluster(cluster)
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}
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// Canonicalize normalizes the object after validation.
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func (clusterStrategy) Canonicalize(obj runtime.Object) {
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}
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// AllowCreateOnUpdate is false for cluster.
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func (clusterStrategy) AllowCreateOnUpdate() bool {
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return false
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}
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// PrepareForUpdate clears fields that are not allowed to be set by end users on update.
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func (clusterStrategy) PrepareForUpdate(ctx genericapirequest.Context, obj, old runtime.Object) {
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cluster := obj.(*federation.Cluster)
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oldCluster := old.(*federation.Cluster)
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cluster.Status = oldCluster.Status
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}
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// ValidateUpdate is the default update validation for an end user.
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func (clusterStrategy) ValidateUpdate(ctx genericapirequest.Context, obj, old runtime.Object) field.ErrorList {
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return validation.ValidateClusterUpdate(obj.(*federation.Cluster), old.(*federation.Cluster))
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}
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func (clusterStrategy) AllowUnconditionalUpdate() bool {
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return true
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}
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type clusterStatusStrategy struct {
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clusterStrategy
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}
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var StatusStrategy = clusterStatusStrategy{Strategy}
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func (clusterStatusStrategy) PrepareForCreate(ctx genericapirequest.Context, obj runtime.Object) {
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_ = obj.(*federation.Cluster)
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}
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func (clusterStatusStrategy) PrepareForUpdate(ctx genericapirequest.Context, obj, old runtime.Object) {
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cluster := obj.(*federation.Cluster)
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oldCluster := old.(*federation.Cluster)
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cluster.Spec = oldCluster.Spec
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}
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// ValidateUpdate is the default update validation for an end user.
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func (clusterStatusStrategy) ValidateUpdate(ctx genericapirequest.Context, obj, old runtime.Object) field.ErrorList {
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return validation.ValidateClusterStatusUpdate(obj.(*federation.Cluster), old.(*federation.Cluster))
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}
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