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Move Ingress godeps to vendor/

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This commit is contained in:
Manuel de Brito Fontes 2016-05-10 10:30:56 -03:00
parent 0d4f49e50e
commit ca620e4074
2059 changed files with 3706 additions and 213845 deletions
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126
vendor/k8s.io/kubernetes/pkg/api/rest/create.go generated vendored Normal file
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/*
Copyright 2014 The Kubernetes Authors All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package rest
import (
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/errors"
"k8s.io/kubernetes/pkg/api/unversioned"
"k8s.io/kubernetes/pkg/api/validation"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/util/validation/field"
)
// RESTCreateStrategy defines the minimum validation, accepted input, and
// name generation behavior to create an object that follows Kubernetes
// API conventions.
type RESTCreateStrategy interface {
runtime.ObjectTyper
// The name generate is used when the standard GenerateName field is set.
// The NameGenerator will be invoked prior to validation.
api.NameGenerator
// NamespaceScoped returns true if the object must be within a namespace.
NamespaceScoped() bool
// PrepareForCreate is invoked on create before validation to normalize
// the object. For example: remove fields that are not to be persisted,
// sort order-insensitive list fields, etc. This should not remove fields
// whose presence would be considered a validation error.
PrepareForCreate(obj runtime.Object)
// Validate is invoked after default fields in the object have been filled in before
// the object is persisted. This method should not mutate the object.
Validate(ctx api.Context, obj runtime.Object) field.ErrorList
// Canonicalize is invoked after validation has succeeded but before the
// object has been persisted. This method may mutate the object.
Canonicalize(obj runtime.Object)
}
// BeforeCreate ensures that common operations for all resources are performed on creation. It only returns
// errors that can be converted to api.Status. It invokes PrepareForCreate, then GenerateName, then Validate.
// It returns nil if the object should be created.
func BeforeCreate(strategy RESTCreateStrategy, ctx api.Context, obj runtime.Object) error {
objectMeta, kind, kerr := objectMetaAndKind(strategy, obj)
if kerr != nil {
return kerr
}
if strategy.NamespaceScoped() {
if !api.ValidNamespace(ctx, objectMeta) {
return errors.NewBadRequest("the namespace of the provided object does not match the namespace sent on the request")
}
} else {
objectMeta.Namespace = api.NamespaceNone
}
objectMeta.DeletionTimestamp = nil
objectMeta.DeletionGracePeriodSeconds = nil
strategy.PrepareForCreate(obj)
api.FillObjectMetaSystemFields(ctx, objectMeta)
api.GenerateName(strategy, objectMeta)
if errs := strategy.Validate(ctx, obj); len(errs) > 0 {
return errors.NewInvalid(kind.GroupKind(), objectMeta.Name, errs)
}
// Custom validation (including name validation) passed
// Now run common validation on object meta
// Do this *after* custom validation so that specific error messages are shown whenever possible
if errs := validation.ValidateObjectMeta(objectMeta, strategy.NamespaceScoped(), validation.ValidatePathSegmentName, field.NewPath("metadata")); len(errs) > 0 {
return errors.NewInvalid(kind.GroupKind(), objectMeta.Name, errs)
}
strategy.Canonicalize(obj)
return nil
}
// CheckGeneratedNameError checks whether an error that occurred creating a resource is due
// to generation being unable to pick a valid name.
func CheckGeneratedNameError(strategy RESTCreateStrategy, err error, obj runtime.Object) error {
if !errors.IsAlreadyExists(err) {
return err
}
objectMeta, kind, kerr := objectMetaAndKind(strategy, obj)
if kerr != nil {
return kerr
}
if len(objectMeta.GenerateName) == 0 {
return err
}
return errors.NewServerTimeoutForKind(kind.GroupKind(), "POST", 0)
}
// objectMetaAndKind retrieves kind and ObjectMeta from a runtime object, or returns an error.
func objectMetaAndKind(typer runtime.ObjectTyper, obj runtime.Object) (*api.ObjectMeta, unversioned.GroupVersionKind, error) {
objectMeta, err := api.ObjectMetaFor(obj)
if err != nil {
return nil, unversioned.GroupVersionKind{}, errors.NewInternalError(err)
}
kind, err := typer.ObjectKind(obj)
if err != nil {
return nil, unversioned.GroupVersionKind{}, errors.NewInternalError(err)
}
return objectMeta, kind, nil
}
// NamespaceScopedStrategy has a method to tell if the object must be in a namespace.
type NamespaceScopedStrategy interface {
// NamespaceScoped returns if the object must be in a namespace.
NamespaceScoped() bool
}

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/*
Copyright 2014 The Kubernetes Authors All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package rest
import (
"fmt"
"time"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/errors"
"k8s.io/kubernetes/pkg/api/unversioned"
"k8s.io/kubernetes/pkg/runtime"
)
// RESTDeleteStrategy defines deletion behavior on an object that follows Kubernetes
// API conventions.
type RESTDeleteStrategy interface {
runtime.ObjectTyper
}
// RESTGracefulDeleteStrategy must be implemented by the registry that supports
// graceful deletion.
type RESTGracefulDeleteStrategy interface {
// CheckGracefulDelete should return true if the object can be gracefully deleted and set
// any default values on the DeleteOptions.
CheckGracefulDelete(obj runtime.Object, options *api.DeleteOptions) bool
}
// BeforeDelete tests whether the object can be gracefully deleted. If graceful is set the object
// should be gracefully deleted, if gracefulPending is set the object has already been gracefully deleted
// (and the provided grace period is longer than the time to deletion), and an error is returned if the
// condition cannot be checked or the gracePeriodSeconds is invalid. The options argument may be updated with
// default values if graceful is true.
func BeforeDelete(strategy RESTDeleteStrategy, ctx api.Context, obj runtime.Object, options *api.DeleteOptions) (graceful, gracefulPending bool, err error) {
objectMeta, gvk, kerr := objectMetaAndKind(strategy, obj)
if kerr != nil {
return false, false, kerr
}
// Checking the Preconditions here to fail early. They'll be enforced later on when we actually do the deletion, too.
if options.Preconditions != nil && options.Preconditions.UID != nil && *options.Preconditions.UID != objectMeta.UID {
return false, false, errors.NewConflict(unversioned.GroupResource{Group: gvk.Group, Resource: gvk.Kind}, objectMeta.Name, fmt.Errorf("the UID in the precondition (%s) does not match the UID in record (%s). The object might have been deleted and then recreated", *options.Preconditions.UID, objectMeta.UID))
}
gracefulStrategy, ok := strategy.(RESTGracefulDeleteStrategy)
if !ok {
return false, false, nil
}
// if the object is already being deleted
if objectMeta.DeletionTimestamp != nil {
// if we are already being deleted, we may only shorten the deletion grace period
// this means the object was gracefully deleted previously but deletionGracePeriodSeconds was not set,
// so we force deletion immediately
if objectMeta.DeletionGracePeriodSeconds == nil {
return false, false, nil
}
// only a shorter grace period may be provided by a user
if options.GracePeriodSeconds != nil {
period := int64(*options.GracePeriodSeconds)
if period > *objectMeta.DeletionGracePeriodSeconds {
return false, true, nil
}
now := unversioned.NewTime(unversioned.Now().Add(time.Second * time.Duration(*options.GracePeriodSeconds)))
objectMeta.DeletionTimestamp = &now
objectMeta.DeletionGracePeriodSeconds = &period
options.GracePeriodSeconds = &period
return true, false, nil
}
// graceful deletion is pending, do nothing
options.GracePeriodSeconds = objectMeta.DeletionGracePeriodSeconds
return false, true, nil
}
if !gracefulStrategy.CheckGracefulDelete(obj, options) {
return false, false, nil
}
now := unversioned.NewTime(unversioned.Now().Add(time.Second * time.Duration(*options.GracePeriodSeconds)))
objectMeta.DeletionTimestamp = &now
objectMeta.DeletionGracePeriodSeconds = options.GracePeriodSeconds
return true, false, nil
}

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/*
Copyright 2014 The Kubernetes Authors All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package rest defines common logic around changes to Kubernetes resources.
package rest

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/*
Copyright 2015 The Kubernetes Authors All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package rest
import (
"k8s.io/kubernetes/pkg/runtime"
)
// RESTExportStrategy is the interface that defines how to export a Kubernetes object
type RESTExportStrategy interface {
// Export strips fields that can not be set by the user. If 'exact' is false
// fields specific to the cluster are also stripped
Export(obj runtime.Object, exact bool) error
}

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/*
Copyright 2014 The Kubernetes Authors All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package rest
import (
"io"
"net/http"
"net/url"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/unversioned"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/watch"
)
//TODO:
// Storage interfaces need to be separated into two groups; those that operate
// on collections and those that operate on individually named items.
// Collection interfaces:
// (Method: Current -> Proposed)
// GET: Lister -> CollectionGetter
// WATCH: Watcher -> CollectionWatcher
// CREATE: Creater -> CollectionCreater
// DELETE: (n/a) -> CollectionDeleter
// UPDATE: (n/a) -> CollectionUpdater
//
// Single item interfaces:
// (Method: Current -> Proposed)
// GET: Getter -> NamedGetter
// WATCH: (n/a) -> NamedWatcher
// CREATE: (n/a) -> NamedCreater
// DELETE: Deleter -> NamedDeleter
// UPDATE: Update -> NamedUpdater
// Storage is a generic interface for RESTful storage services.
// Resources which are exported to the RESTful API of apiserver need to implement this interface. It is expected
// that objects may implement any of the below interfaces.
type Storage interface {
// New returns an empty object that can be used with Create and Update after request data has been put into it.
// This object must be a pointer type for use with Codec.DecodeInto([]byte, runtime.Object)
New() runtime.Object
}
// KindProvider specifies a different kind for its API than for its internal storage. This is necessary for external
// objects that are not compiled into the api server. For such objects, there is no in-memory representation for
// the object, so they must be represented as generic objects (e.g. runtime.Unknown), but when we present the object as part of
// API discovery we want to present the specific kind, not the generic internal representation.
type KindProvider interface {
Kind() string
}
// Lister is an object that can retrieve resources that match the provided field and label criteria.
type Lister interface {
// NewList returns an empty object that can be used with the List call.
// This object must be a pointer type for use with Codec.DecodeInto([]byte, runtime.Object)
NewList() runtime.Object
// List selects resources in the storage which match to the selector. 'options' can be nil.
List(ctx api.Context, options *api.ListOptions) (runtime.Object, error)
}
// Exporter is an object that knows how to strip a RESTful resource for export
type Exporter interface {
// Export an object. Fields that are not user specified (e.g. Status, ObjectMeta.ResourceVersion) are stripped out
// Returns the stripped object. If 'exact' is true, fields that are specific to the cluster (e.g. namespace) are
// retained, otherwise they are stripped also.
Export(ctx api.Context, name string, opts unversioned.ExportOptions) (runtime.Object, error)
}
// Getter is an object that can retrieve a named RESTful resource.
type Getter interface {
// Get finds a resource in the storage by name and returns it.
// Although it can return an arbitrary error value, IsNotFound(err) is true for the
// returned error value err when the specified resource is not found.
Get(ctx api.Context, name string) (runtime.Object, error)
}
// GetterWithOptions is an object that retrieve a named RESTful resource and takes
// additional options on the get request. It allows a caller to also receive the
// subpath of the GET request.
type GetterWithOptions interface {
// Get finds a resource in the storage by name and returns it.
// Although it can return an arbitrary error value, IsNotFound(err) is true for the
// returned error value err when the specified resource is not found.
// The options object passed to it is of the same type returned by the NewGetOptions
// method.
Get(ctx api.Context, name string, options runtime.Object) (runtime.Object, error)
// NewGetOptions returns an empty options object that will be used to pass
// options to the Get method. It may return a bool and a string, if true, the
// value of the request path below the object will be included as the named
// string in the serialization of the runtime object. E.g., returning "path"
// will convert the trailing request scheme value to "path" in the map[string][]string
// passed to the converter.
NewGetOptions() (runtime.Object, bool, string)
}
// Deleter is an object that can delete a named RESTful resource.
type Deleter interface {
// Delete finds a resource in the storage and deletes it.
// Although it can return an arbitrary error value, IsNotFound(err) is true for the
// returned error value err when the specified resource is not found.
// Delete *may* return the object that was deleted, or a status object indicating additional
// information about deletion.
Delete(ctx api.Context, name string) (runtime.Object, error)
}
// GracefulDeleter knows how to pass deletion options to allow delayed deletion of a
// RESTful object.
type GracefulDeleter interface {
// Delete finds a resource in the storage and deletes it.
// If options are provided, the resource will attempt to honor them or return an invalid
// request error.
// Although it can return an arbitrary error value, IsNotFound(err) is true for the
// returned error value err when the specified resource is not found.
// Delete *may* return the object that was deleted, or a status object indicating additional
// information about deletion.
Delete(ctx api.Context, name string, options *api.DeleteOptions) (runtime.Object, error)
}
// GracefulDeleteAdapter adapts the Deleter interface to GracefulDeleter
type GracefulDeleteAdapter struct {
Deleter
}
// Delete implements RESTGracefulDeleter in terms of Deleter
func (w GracefulDeleteAdapter) Delete(ctx api.Context, name string, options *api.DeleteOptions) (runtime.Object, error) {
return w.Deleter.Delete(ctx, name)
}
// CollectionDeleter is an object that can delete a collection
// of RESTful resources.
type CollectionDeleter interface {
// DeleteCollection selects all resources in the storage matching given 'listOptions'
// and deletes them. If 'options' are provided, the resource will attempt to honor
// them or return an invalid request error.
// DeleteCollection may not be atomic - i.e. it may delete some objects and still
// return an error after it. On success, returns a list of deleted objects.
DeleteCollection(ctx api.Context, options *api.DeleteOptions, listOptions *api.ListOptions) (runtime.Object, error)
}
// Creater is an object that can create an instance of a RESTful object.
type Creater interface {
// New returns an empty object that can be used with Create after request data has been put into it.
// This object must be a pointer type for use with Codec.DecodeInto([]byte, runtime.Object)
New() runtime.Object
// Create creates a new version of a resource.
Create(ctx api.Context, obj runtime.Object) (runtime.Object, error)
}
// NamedCreater is an object that can create an instance of a RESTful object using a name parameter.
type NamedCreater interface {
// New returns an empty object that can be used with Create after request data has been put into it.
// This object must be a pointer type for use with Codec.DecodeInto([]byte, runtime.Object)
New() runtime.Object
// Create creates a new version of a resource. It expects a name parameter from the path.
// This is needed for create operations on subresources which include the name of the parent
// resource in the path.
Create(ctx api.Context, name string, obj runtime.Object) (runtime.Object, error)
}
// Updater is an object that can update an instance of a RESTful object.
type Updater interface {
// New returns an empty object that can be used with Update after request data has been put into it.
// This object must be a pointer type for use with Codec.DecodeInto([]byte, runtime.Object)
New() runtime.Object
// Update finds a resource in the storage and updates it. Some implementations
// may allow updates creates the object - they should set the created boolean
// to true.
Update(ctx api.Context, obj runtime.Object) (runtime.Object, bool, error)
}
// CreaterUpdater is a storage object that must support both create and update.
// Go prevents embedded interfaces that implement the same method.
type CreaterUpdater interface {
Creater
Update(ctx api.Context, obj runtime.Object) (runtime.Object, bool, error)
}
// CreaterUpdater must satisfy the Updater interface.
var _ Updater = CreaterUpdater(nil)
// Patcher is a storage object that supports both get and update.
type Patcher interface {
Getter
Updater
}
// Watcher should be implemented by all Storage objects that
// want to offer the ability to watch for changes through the watch api.
type Watcher interface {
// 'label' selects on labels; 'field' selects on the object's fields. Not all fields
// are supported; an error should be returned if 'field' tries to select on a field that
// isn't supported. 'resourceVersion' allows for continuing/starting a watch at a
// particular version.
Watch(ctx api.Context, options *api.ListOptions) (watch.Interface, error)
}
// StandardStorage is an interface covering the common verbs. Provided for testing whether a
// resource satisfies the normal storage methods. Use Storage when passing opaque storage objects.
type StandardStorage interface {
Getter
Lister
CreaterUpdater
GracefulDeleter
CollectionDeleter
Watcher
}
// Redirector know how to return a remote resource's location.
type Redirector interface {
// ResourceLocation should return the remote location of the given resource, and an optional transport to use to request it, or an error.
ResourceLocation(ctx api.Context, id string) (remoteLocation *url.URL, transport http.RoundTripper, err error)
}
// Responder abstracts the normal response behavior for a REST method and is passed to callers that
// may wish to handle the response directly in some cases, but delegate to the normal error or object
// behavior in other cases.
type Responder interface {
// Object writes the provided object to the response. Invoking this method multiple times is undefined.
Object(statusCode int, obj runtime.Object)
// Error writes the provided error to the response. This method may only be invoked once.
Error(err error)
}
// Connecter is a storage object that responds to a connection request.
type Connecter interface {
// Connect returns an http.Handler that will handle the request/response for a given API invocation.
// The provided responder may be used for common API responses. The responder will write both status
// code and body, so the ServeHTTP method should exit after invoking the responder. The Handler will
// be used for a single API request and then discarded. The Responder is guaranteed to write to the
// same http.ResponseWriter passed to ServeHTTP.
Connect(ctx api.Context, id string, options runtime.Object, r Responder) (http.Handler, error)
// NewConnectOptions returns an empty options object that will be used to pass
// options to the Connect method. If nil, then a nil options object is passed to
// Connect. It may return a bool and a string. If true, the value of the request
// path below the object will be included as the named string in the serialization
// of the runtime object.
NewConnectOptions() (runtime.Object, bool, string)
// ConnectMethods returns the list of HTTP methods handled by Connect
ConnectMethods() []string
}
// ResourceStreamer is an interface implemented by objects that prefer to be streamed from the server
// instead of decoded directly.
type ResourceStreamer interface {
// InputStream should return an io.ReadCloser if the provided object supports streaming. The desired
// api version and a accept header (may be empty) are passed to the call. If no error occurs,
// the caller may return a flag indicating whether the result should be flushed as writes occur
// and a content type string that indicates the type of the stream.
// If a null stream is returned, a StatusNoContent response wil be generated.
InputStream(apiVersion, acceptHeader string) (stream io.ReadCloser, flush bool, mimeType string, err error)
}
// StorageMetadata is an optional interface that callers can implement to provide additional
// information about their Storage objects.
type StorageMetadata interface {
// ProducesMIMETypes returns a list of the MIME types the specified HTTP verb (GET, POST, DELETE,
// PATCH) can respond with.
ProducesMIMETypes(verb string) []string
}
// ConnectRequest is an object passed to admission control for Connect operations
type ConnectRequest struct {
// Name is the name of the object on which the connect request was made
Name string
// Options is the options object passed to the connect request. See the NewConnectOptions method on Connecter
Options runtime.Object
// ResourcePath is the path for the resource in the REST server (ie. "pods/proxy")
ResourcePath string
}
func (obj *ConnectRequest) GetObjectKind() unversioned.ObjectKind { return unversioned.EmptyObjectKind }

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/*
Copyright 2014 The Kubernetes Authors All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package rest
import (
"k8s.io/kubernetes/pkg/runtime"
)
// ObjectFunc is a function to act on a given object. An error may be returned
// if the hook cannot be completed. An ObjectFunc may transform the provided
// object.
type ObjectFunc func(obj runtime.Object) error
// AllFuncs returns an ObjectFunc that attempts to run all of the provided functions
// in order, returning early if there are any errors.
func AllFuncs(fns ...ObjectFunc) ObjectFunc {
return func(obj runtime.Object) error {
for _, fn := range fns {
if fn == nil {
continue
}
if err := fn(obj); err != nil {
return err
}
}
return nil
}
}

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/*
Copyright 2014 The Kubernetes Authors All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package rest
import (
"fmt"
"k8s.io/kubernetes/pkg/api"
"k8s.io/kubernetes/pkg/api/errors"
"k8s.io/kubernetes/pkg/api/validation"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/util/validation/field"
)
// RESTUpdateStrategy defines the minimum validation, accepted input, and
// name generation behavior to update an object that follows Kubernetes
// API conventions. A resource may have many UpdateStrategies, depending on
// the call pattern in use.
type RESTUpdateStrategy interface {
runtime.ObjectTyper
// NamespaceScoped returns true if the object must be within a namespace.
NamespaceScoped() bool
// AllowCreateOnUpdate returns true if the object can be created by a PUT.
AllowCreateOnUpdate() bool
// PrepareForUpdate is invoked on update before validation to normalize
// the object. For example: remove fields that are not to be persisted,
// sort order-insensitive list fields, etc. This should not remove fields
// whose presence would be considered a validation error.
PrepareForUpdate(obj, old runtime.Object)
// ValidateUpdate is invoked after default fields in the object have been
// filled in before the object is persisted. This method should not mutate
// the object.
ValidateUpdate(ctx api.Context, obj, old runtime.Object) field.ErrorList
// Canonicalize is invoked after validation has succeeded but before the
// object has been persisted. This method may mutate the object.
Canonicalize(obj runtime.Object)
// AllowUnconditionalUpdate returns true if the object can be updated
// unconditionally (irrespective of the latest resource version), when
// there is no resource version specified in the object.
AllowUnconditionalUpdate() bool
}
// TODO: add other common fields that require global validation.
func validateCommonFields(obj, old runtime.Object) (field.ErrorList, error) {
allErrs := field.ErrorList{}
objectMeta, err := api.ObjectMetaFor(obj)
if err != nil {
return nil, fmt.Errorf("failed to get new object metadata: %v", err)
}
oldObjectMeta, err := api.ObjectMetaFor(old)
if err != nil {
return nil, fmt.Errorf("failed to get old object metadata: %v", err)
}
allErrs = append(allErrs, validation.ValidateObjectMetaUpdate(objectMeta, oldObjectMeta, field.NewPath("metadata"))...)
return allErrs, nil
}
// BeforeUpdate ensures that common operations for all resources are performed on update. It only returns
// errors that can be converted to api.Status. It will invoke update validation with the provided existing
// and updated objects.
func BeforeUpdate(strategy RESTUpdateStrategy, ctx api.Context, obj, old runtime.Object) error {
objectMeta, kind, kerr := objectMetaAndKind(strategy, obj)
if kerr != nil {
return kerr
}
if strategy.NamespaceScoped() {
if !api.ValidNamespace(ctx, objectMeta) {
return errors.NewBadRequest("the namespace of the provided object does not match the namespace sent on the request")
}
} else {
objectMeta.Namespace = api.NamespaceNone
}
strategy.PrepareForUpdate(obj, old)
// Ensure some common fields, like UID, are validated for all resources.
errs, err := validateCommonFields(obj, old)
if err != nil {
return errors.NewInternalError(err)
}
errs = append(errs, strategy.ValidateUpdate(ctx, obj, old)...)
if len(errs) > 0 {
return errors.NewInvalid(kind.GroupKind(), objectMeta.Name, errs)
}
strategy.Canonicalize(obj)
return nil
}