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packagerevision.go
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/
packagerevision.go
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// Copyright 2022 The kpt and Nephio Authors
//
// 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 porch
import (
"context"
"fmt"
api "github.com/nephio-project/porch/api/porch/v1alpha1"
"github.com/nephio-project/porch/pkg/engine"
"go.opentelemetry.io/otel"
"go.opentelemetry.io/otel/trace"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metainternalversion "k8s.io/apimachinery/pkg/apis/meta/internalversion"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/types"
genericapirequest "k8s.io/apiserver/pkg/endpoints/request"
"k8s.io/apiserver/pkg/registry/rest"
"k8s.io/klog/v2"
)
var tracer = otel.Tracer("apiserver")
type packageRevisions struct {
packageCommon
rest.TableConvertor
}
var _ rest.Storage = &packageRevisions{}
var _ rest.Lister = &packageRevisions{}
var _ rest.Getter = &packageRevisions{}
var _ rest.Scoper = &packageRevisions{}
var _ rest.Creater = &packageRevisions{}
var _ rest.Updater = &packageRevisions{}
var _ rest.GracefulDeleter = &packageRevisions{}
var _ rest.Watcher = &packageRevisions{}
var _ rest.SingularNameProvider = &packageRevisions{}
// GetSingularName implements the SingularNameProvider interface
func (r *packageRevisions) GetSingularName() (string) {
return "packagerevision"
}
func (r *packageRevisions) New() runtime.Object {
return &api.PackageRevision{}
}
func (r *packageRevisions) Destroy() {}
func (r *packageRevisions) NewList() runtime.Object {
return &api.PackageRevisionList{}
}
func (r *packageRevisions) NamespaceScoped() bool {
return true
}
// List selects resources in the storage which match to the selector. 'options' can be nil.
func (r *packageRevisions) List(ctx context.Context, options *metainternalversion.ListOptions) (runtime.Object, error) {
ctx, span := tracer.Start(ctx, "packageRevisions::List", trace.WithAttributes())
defer span.End()
result := &api.PackageRevisionList{
TypeMeta: metav1.TypeMeta{
Kind: "PackageRevisionList",
APIVersion: api.SchemeGroupVersion.Identifier(),
},
}
filter, err := parsePackageRevisionFieldSelector(options.FieldSelector)
if err != nil {
return nil, err
}
if err := r.packageCommon.listPackageRevisions(ctx, filter, options.LabelSelector, func(p *engine.PackageRevision) error {
item, err := p.GetPackageRevision(ctx)
if err != nil {
return err
}
result.Items = append(result.Items, *item)
return nil
}); err != nil {
return nil, err
}
return result, nil
}
// Get implements the Getter interface
func (r *packageRevisions) Get(ctx context.Context, name string, options *metav1.GetOptions) (runtime.Object, error) {
ctx, span := tracer.Start(ctx, "packageRevisions::Get", trace.WithAttributes())
defer span.End()
repoPkgRev, err := r.getRepoPkgRev(ctx, name)
if err != nil {
return nil, err
}
apiPkgRev, err := repoPkgRev.GetPackageRevision(ctx)
if err != nil {
return nil, err
}
return apiPkgRev, nil
}
// Create implements the Creater interface.
func (r *packageRevisions) Create(ctx context.Context, runtimeObject runtime.Object, createValidation rest.ValidateObjectFunc,
options *metav1.CreateOptions) (runtime.Object, error) {
ctx, span := tracer.Start(ctx, "packageRevisions::Create", trace.WithAttributes())
defer span.End()
ns, namespaced := genericapirequest.NamespaceFrom(ctx)
if !namespaced {
return nil, apierrors.NewBadRequest("namespace must be specified")
}
newApiPkgRev, ok := runtimeObject.(*api.PackageRevision)
if !ok {
return nil, apierrors.NewBadRequest(fmt.Sprintf("expected PackageRevision object, got %T", runtimeObject))
}
// TODO: Accept some form of client-provided name, for example using GenerateName
// and figure out where we can store it (in Kptfile?). Porch can then append unique
// suffix to the names while respecting client-provided value as well.
if newApiPkgRev.Name != "" {
klog.Warningf("Client provided metadata.name %q", newApiPkgRev.Name)
}
repositoryName := newApiPkgRev.Spec.RepositoryName
if repositoryName == "" {
return nil, apierrors.NewBadRequest("spec.repositoryName is required")
}
repositoryObj, err := r.packageCommon.getRepositoryObj(ctx, types.NamespacedName{Name: repositoryName, Namespace: ns})
if err != nil {
return nil, err
}
fieldErrors := r.createStrategy.Validate(ctx, runtimeObject)
if len(fieldErrors) > 0 {
return nil, apierrors.NewInvalid(api.SchemeGroupVersion.WithKind("PackageRevision").GroupKind(), newApiPkgRev.Name, fieldErrors)
}
var parentPackage *engine.PackageRevision
if newApiPkgRev.Spec.Parent != nil && newApiPkgRev.Spec.Parent.Name != "" {
p, err := r.packageCommon.getRepoPkgRev(ctx, newApiPkgRev.Spec.Parent.Name)
if err != nil {
return nil, fmt.Errorf("cannot get parent package %q: %w", newApiPkgRev.Spec.Parent.Name, err)
}
parentPackage = p
}
createdRepoPkgRev, err := r.cad.CreatePackageRevision(ctx, repositoryObj, newApiPkgRev, parentPackage)
if err != nil {
return nil, apierrors.NewInternalError(err)
}
createdApiPkgRev, err := createdRepoPkgRev.GetPackageRevision(ctx)
if err != nil {
return nil, apierrors.NewInternalError(err)
}
return createdApiPkgRev, nil
}
// Update implements the Updater interface.
// 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.
func (r *packageRevisions) Update(ctx context.Context, name string, objInfo rest.UpdatedObjectInfo, createValidation rest.ValidateObjectFunc,
updateValidation rest.ValidateObjectUpdateFunc, forceAllowCreate bool, options *metav1.UpdateOptions) (runtime.Object, bool, error) {
ctx, span := tracer.Start(ctx, "packageRevisions::Update", trace.WithAttributes())
defer span.End()
return r.packageCommon.updatePackageRevision(ctx, name, objInfo, createValidation, updateValidation, forceAllowCreate,
)
}
// Delete implements the GracefulDeleter interface.
// Delete finds a resource in the storage and deletes it.
// The delete attempt is validated by the deleteValidation first.
// 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.
// It also returns a boolean which is set to true if the resource was instantly
// deleted or false if it will be deleted asynchronously.
func (r *packageRevisions) Delete(ctx context.Context, name string, deleteValidation rest.ValidateObjectFunc, options *metav1.DeleteOptions) (runtime.Object, bool, error) {
ctx, span := tracer.Start(ctx, "packageRevisions::Delete", trace.WithAttributes())
defer span.End()
ns, namespaced := genericapirequest.NamespaceFrom(ctx)
if !namespaced {
return nil, false, apierrors.NewBadRequest("namespace must be specified")
}
repoPkgRev, err := r.packageCommon.getRepoPkgRev(ctx, name)
if err != nil {
return nil, false, err
}
apiPkgRev, err := repoPkgRev.GetPackageRevision(ctx)
if err != nil {
return nil, false, apierrors.NewInternalError(err)
}
repositoryObj, err := r.packageCommon.validateDelete(ctx, deleteValidation, apiPkgRev, name, ns)
if err != nil {
return nil, false, err
}
if err := r.cad.DeletePackageRevision(ctx, repositoryObj, repoPkgRev); err != nil {
return nil, false, apierrors.NewInternalError(err)
}
// TODO: Should we do an async delete?
return apiPkgRev, true, nil
}