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123 lines
4.0 KiB
Go
123 lines
4.0 KiB
Go
/*
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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 clusterrolebinding
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import (
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"fmt"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/rest"
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"k8s.io/kubernetes/pkg/apis/rbac"
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"k8s.io/kubernetes/pkg/apis/rbac/validation"
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"k8s.io/kubernetes/pkg/fields"
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"k8s.io/kubernetes/pkg/labels"
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"k8s.io/kubernetes/pkg/registry/generic"
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"k8s.io/kubernetes/pkg/runtime"
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"k8s.io/kubernetes/pkg/util/validation/field"
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)
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// strategy implements behavior for ClusterRoleBindings
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type strategy struct {
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runtime.ObjectTyper
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api.NameGenerator
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}
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// strategy is the default logic that applies when creating and updating
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// ClusterRoleBinding objects.
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var Strategy = strategy{api.Scheme, api.SimpleNameGenerator}
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// Strategy should implement rest.RESTCreateStrategy
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var _ rest.RESTCreateStrategy = Strategy
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// Strategy should implement rest.RESTUpdateStrategy
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var _ rest.RESTUpdateStrategy = Strategy
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// NamespaceScoped is true for ClusterRoleBindings.
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func (strategy) NamespaceScoped() bool {
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return false
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}
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// AllowCreateOnUpdate is true for ClusterRoleBindings.
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func (strategy) AllowCreateOnUpdate() bool {
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return true
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}
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// PrepareForCreate clears fields that are not allowed to be set by end users
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// on creation.
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func (strategy) PrepareForCreate(ctx api.Context, obj runtime.Object) {
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_ = obj.(*rbac.ClusterRoleBinding)
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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 (strategy) PrepareForUpdate(ctx api.Context, obj, old runtime.Object) {
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newClusterRoleBinding := obj.(*rbac.ClusterRoleBinding)
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oldClusterRoleBinding := old.(*rbac.ClusterRoleBinding)
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_, _ = newClusterRoleBinding, oldClusterRoleBinding
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}
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// Validate validates a new ClusterRoleBinding. Validation must check for a correct signature.
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func (strategy) Validate(ctx api.Context, obj runtime.Object) field.ErrorList {
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clusterRoleBinding := obj.(*rbac.ClusterRoleBinding)
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return validation.ValidateClusterRoleBinding(clusterRoleBinding)
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}
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// Canonicalize normalizes the object after validation.
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func (strategy) Canonicalize(obj runtime.Object) {
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_ = obj.(*rbac.ClusterRoleBinding)
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}
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// ValidateUpdate is the default update validation for an end user.
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func (strategy) ValidateUpdate(ctx api.Context, obj, old runtime.Object) field.ErrorList {
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newObj := obj.(*rbac.ClusterRoleBinding)
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errorList := validation.ValidateClusterRoleBinding(newObj)
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return append(errorList, validation.ValidateClusterRoleBindingUpdate(newObj, old.(*rbac.ClusterRoleBinding))...)
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}
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// If AllowUnconditionalUpdate() is true and the object specified by
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// the user does not have a resource version, then generic Update()
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// populates it with the latest version. Else, it checks that the
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// version specified by the user matches the version of latest etcd
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// object.
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func (strategy) AllowUnconditionalUpdate() bool {
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return true
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}
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func (s strategy) Export(ctx api.Context, obj runtime.Object, exact bool) error {
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return nil
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}
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// Matcher returns a generic matcher for a given label and field selector.
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func Matcher(label labels.Selector, field fields.Selector) *generic.SelectionPredicate {
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return &generic.SelectionPredicate{
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Label: label,
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Field: field,
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GetAttrs: func(obj runtime.Object) (labels.Set, fields.Set, error) {
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roleBinding, ok := obj.(*rbac.ClusterRoleBinding)
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if !ok {
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return nil, nil, fmt.Errorf("not a ClusterRoleBinding")
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}
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return labels.Set(roleBinding.Labels), SelectableFields(roleBinding), nil
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},
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}
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}
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// SelectableFields returns a field set that can be used for filter selection
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func SelectableFields(obj *rbac.ClusterRoleBinding) fields.Set {
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return nil
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}
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