storage.go

Documentation: k8s.io/kubernetes/pkg/registry/batch/cronjob/storage

     1  /*
     2  Copyright 2016 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 storage
    18  
    19  import (
    20  	"context"
    21  
    22  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    23  	"k8s.io/apimachinery/pkg/runtime"
    24  	"k8s.io/apiserver/pkg/registry/generic"
    25  	genericregistry "k8s.io/apiserver/pkg/registry/generic/registry"
    26  	"k8s.io/apiserver/pkg/registry/rest"
    27  	"k8s.io/kubernetes/pkg/apis/batch"
    28  	"k8s.io/kubernetes/pkg/printers"
    29  	printersinternal "k8s.io/kubernetes/pkg/printers/internalversion"
    30  	printerstorage "k8s.io/kubernetes/pkg/printers/storage"
    31  	"k8s.io/kubernetes/pkg/registry/batch/cronjob"
    32  	"sigs.k8s.io/structured-merge-diff/v4/fieldpath"
    33  )
    34  
    35  // REST implements a RESTStorage for scheduled jobs against etcd
    36  type REST struct {
    37  	*genericregistry.Store
    38  }
    39  
    40  // NewREST returns a RESTStorage object that will work against CronJobs.
    41  func NewREST(optsGetter generic.RESTOptionsGetter) (*REST, *StatusREST, error) {
    42  	store := &genericregistry.Store{
    43  		NewFunc:                   func() runtime.Object { return &batch.CronJob{} },
    44  		NewListFunc:               func() runtime.Object { return &batch.CronJobList{} },
    45  		DefaultQualifiedResource:  batch.Resource("cronjobs"),
    46  		SingularQualifiedResource: batch.Resource("cronjob"),
    47  
    48  		CreateStrategy:      cronjob.Strategy,
    49  		UpdateStrategy:      cronjob.Strategy,
    50  		DeleteStrategy:      cronjob.Strategy,
    51  		ResetFieldsStrategy: cronjob.Strategy,
    52  
    53  		TableConvertor: printerstorage.TableConvertor{TableGenerator: printers.NewTableGenerator().With(printersinternal.AddHandlers)},
    54  	}
    55  	options := &generic.StoreOptions{RESTOptions: optsGetter}
    56  	if err := store.CompleteWithOptions(options); err != nil {
    57  		return nil, nil, err
    58  	}
    59  
    60  	statusStore := *store
    61  	statusStore.UpdateStrategy = cronjob.StatusStrategy
    62  	statusStore.ResetFieldsStrategy = cronjob.StatusStrategy
    63  
    64  	return &REST{store}, &StatusREST{store: &statusStore}, nil
    65  }
    66  
    67  var _ rest.CategoriesProvider = &REST{}
    68  var _ rest.ShortNamesProvider = &REST{}
    69  
    70  // Categories implements the CategoriesProvider interface. Returns a list of categories a resource is part of.
    71  func (r *REST) Categories() []string {
    72  	return []string{"all"}
    73  }
    74  
    75  // ShortNames implements the ShortNamesProvider interface. Returns a list of short names for a resource.
    76  func (r *REST) ShortNames() []string {
    77  	return []string{"cj"}
    78  }
    79  
    80  // StatusREST implements the REST endpoint for changing the status of a resourcequota.
    81  type StatusREST struct {
    82  	store *genericregistry.Store
    83  }
    84  
    85  // New creates a new CronJob object.
    86  func (r *StatusREST) New() runtime.Object {
    87  	return &batch.CronJob{}
    88  }
    89  
    90  // Destroy cleans up resources on shutdown.
    91  func (r *StatusREST) Destroy() {
    92  	// Given that underlying store is shared with REST,
    93  	// we don't destroy it here explicitly.
    94  }
    95  
    96  // Get retrieves the object from the storage. It is required to support Patch.
    97  func (r *StatusREST) Get(ctx context.Context, name string, options *metav1.GetOptions) (runtime.Object, error) {
    98  	return r.store.Get(ctx, name, options)
    99  }
   100  
   101  // Update alters the status subset of an object.
   102  func (r *StatusREST) Update(ctx context.Context, name string, objInfo rest.UpdatedObjectInfo, createValidation rest.ValidateObjectFunc, updateValidation rest.ValidateObjectUpdateFunc, forceAllowCreate bool, options *metav1.UpdateOptions) (runtime.Object, bool, error) {
   103  	// We are explicitly setting forceAllowCreate to false in the call to the underlying storage because
   104  	// subresources should never allow create on update.
   105  	return r.store.Update(ctx, name, objInfo, createValidation, updateValidation, false, options)
   106  }
   107  
   108  // GetResetFields implements rest.ResetFieldsStrategy
   109  func (r *StatusREST) GetResetFields() map[fieldpath.APIVersion]*fieldpath.Set {
   110  	return r.store.GetResetFields()
   111  }
   112  
   113  func (r *StatusREST) ConvertToTable(ctx context.Context, object runtime.Object, tableOptions runtime.Object) (*metav1.Table, error) {
   114  	return r.store.ConvertToTable(ctx, object, tableOptions)
   115  }
   116
View as plain text