strategy.go

Documentation: k8s.io/kubernetes/pkg/registry/core/resourcequota

     1  /*
     2  Copyright 2014 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package resourcequota
    18  
    19  import (
    20  	"context"
    21  
    22  	"k8s.io/apimachinery/pkg/runtime"
    23  	"k8s.io/apimachinery/pkg/util/validation/field"
    24  	"k8s.io/apiserver/pkg/storage/names"
    25  	"k8s.io/kubernetes/pkg/api/legacyscheme"
    26  	api "k8s.io/kubernetes/pkg/apis/core"
    27  	"k8s.io/kubernetes/pkg/apis/core/validation"
    28  	"sigs.k8s.io/structured-merge-diff/v4/fieldpath"
    29  )
    30  
    31  // resourcequotaStrategy implements behavior for ResourceQuota objects
    32  type resourcequotaStrategy struct {
    33  	runtime.ObjectTyper
    34  	names.NameGenerator
    35  }
    36  
    37  // Strategy is the default logic that applies when creating and updating ResourceQuota
    38  // objects via the REST API.
    39  var Strategy = resourcequotaStrategy{legacyscheme.Scheme, names.SimpleNameGenerator}
    40  
    41  // NamespaceScoped is true for resourcequotas.
    42  func (resourcequotaStrategy) NamespaceScoped() bool {
    43  	return true
    44  }
    45  
    46  // GetResetFields returns the set of fields that get reset by the strategy
    47  // and should not be modified by the user.
    48  func (resourcequotaStrategy) GetResetFields() map[fieldpath.APIVersion]*fieldpath.Set {
    49  	fields := map[fieldpath.APIVersion]*fieldpath.Set{
    50  		"v1": fieldpath.NewSet(
    51  			fieldpath.MakePathOrDie("status"),
    52  		),
    53  	}
    54  
    55  	return fields
    56  }
    57  
    58  // PrepareForCreate clears fields that are not allowed to be set by end users on creation.
    59  func (resourcequotaStrategy) PrepareForCreate(ctx context.Context, obj runtime.Object) {
    60  	resourcequota := obj.(*api.ResourceQuota)
    61  	resourcequota.Status = api.ResourceQuotaStatus{}
    62  }
    63  
    64  // PrepareForUpdate clears fields that are not allowed to be set by end users on update.
    65  func (resourcequotaStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
    66  	newResourcequota := obj.(*api.ResourceQuota)
    67  	oldResourcequota := old.(*api.ResourceQuota)
    68  	newResourcequota.Status = oldResourcequota.Status
    69  }
    70  
    71  // Validate validates a new resourcequota.
    72  func (resourcequotaStrategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList {
    73  	resourcequota := obj.(*api.ResourceQuota)
    74  	return validation.ValidateResourceQuota(resourcequota)
    75  }
    76  
    77  // WarningsOnCreate returns warnings for the creation of the given object.
    78  func (resourcequotaStrategy) WarningsOnCreate(ctx context.Context, obj runtime.Object) []string {
    79  	return nil
    80  }
    81  
    82  // Canonicalize normalizes the object after validation.
    83  func (resourcequotaStrategy) Canonicalize(obj runtime.Object) {
    84  }
    85  
    86  // AllowCreateOnUpdate is false for resourcequotas.
    87  func (resourcequotaStrategy) AllowCreateOnUpdate() bool {
    88  	return false
    89  }
    90  
    91  // ValidateUpdate is the default update validation for an end user.
    92  func (resourcequotaStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
    93  	newObj, oldObj := obj.(*api.ResourceQuota), old.(*api.ResourceQuota)
    94  	return validation.ValidateResourceQuotaUpdate(newObj, oldObj)
    95  }
    96  
    97  // WarningsOnUpdate returns warnings for the given update.
    98  func (resourcequotaStrategy) WarningsOnUpdate(ctx context.Context, obj, old runtime.Object) []string {
    99  	return nil
   100  }
   101  
   102  func (resourcequotaStrategy) AllowUnconditionalUpdate() bool {
   103  	return true
   104  }
   105  
   106  type resourcequotaStatusStrategy struct {
   107  	resourcequotaStrategy
   108  }
   109  
   110  // StatusStrategy is the default logic invoked when updating object status.
   111  var StatusStrategy = resourcequotaStatusStrategy{Strategy}
   112  
   113  // GetResetFields returns the set of fields that get reset by the strategy
   114  // and should not be modified by the user.
   115  func (resourcequotaStatusStrategy) GetResetFields() map[fieldpath.APIVersion]*fieldpath.Set {
   116  	fields := map[fieldpath.APIVersion]*fieldpath.Set{
   117  		"v1": fieldpath.NewSet(
   118  			fieldpath.MakePathOrDie("spec"),
   119  		),
   120  	}
   121  
   122  	return fields
   123  }
   124  
   125  func (resourcequotaStatusStrategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
   126  	newResourcequota := obj.(*api.ResourceQuota)
   127  	oldResourcequota := old.(*api.ResourceQuota)
   128  	newResourcequota.Spec = oldResourcequota.Spec
   129  }
   130  
   131  func (resourcequotaStatusStrategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
   132  	return validation.ValidateResourceQuotaStatusUpdate(obj.(*api.ResourceQuota), old.(*api.ResourceQuota))
   133  }
   134  
   135  // WarningsOnUpdate returns warnings for the given update.
   136  func (resourcequotaStatusStrategy) WarningsOnUpdate(ctx context.Context, obj, old runtime.Object) []string {
   137  	return nil
   138  }
   139
View as plain text