Files
grafana/pkg/registry/apis/featuretoggle/features.go
2024-02-01 17:27:30 -05:00

126 lines
3.7 KiB
Go

package featuretoggle
import (
"context"
"fmt"
"time"
"k8s.io/apimachinery/pkg/apis/meta/internalversion"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apiserver/pkg/registry/rest"
common "github.com/grafana/grafana/pkg/apis/common/v0alpha1"
"github.com/grafana/grafana/pkg/apis/featuretoggle/v0alpha1"
"github.com/grafana/grafana/pkg/services/apiserver/utils"
"github.com/grafana/grafana/pkg/services/featuremgmt"
)
var (
_ rest.Storage = (*featuresStorage)(nil)
_ rest.Scoper = (*featuresStorage)(nil)
_ rest.SingularNameProvider = (*featuresStorage)(nil)
_ rest.Lister = (*featuresStorage)(nil)
_ rest.Getter = (*featuresStorage)(nil)
)
type featuresStorage struct {
resource *common.ResourceInfo
tableConverter rest.TableConvertor
features []featuremgmt.FeatureFlag
startup int64
}
// NOTE! this does not depend on config or any system state!
// In the future, the existence of features (and their properties) can be defined dynamically
func NewFeaturesStorage(features []featuremgmt.FeatureFlag) *featuresStorage {
resourceInfo := v0alpha1.FeatureResourceInfo
return &featuresStorage{
startup: time.Now().UnixMilli(),
resource: &resourceInfo,
features: features,
tableConverter: utils.NewTableConverter(
resourceInfo.GroupResource(),
[]metav1.TableColumnDefinition{
{Name: "Name", Type: "string", Format: "name"},
{Name: "Stage", Type: "string", Format: "string", Description: "Where is the flag in the dev cycle"},
{Name: "Owner", Type: "string", Format: "string", Description: "Which team owns the feature"},
},
func(obj any) ([]interface{}, error) {
r, ok := obj.(*v0alpha1.Feature)
if ok {
return []interface{}{
r.Name,
r.Spec.Stage,
r.Spec.Owner,
}, nil
}
return nil, fmt.Errorf("expected resource or info")
}),
}
}
func (s *featuresStorage) New() runtime.Object {
return s.resource.NewFunc()
}
func (s *featuresStorage) Destroy() {}
func (s *featuresStorage) NamespaceScoped() bool {
return false
}
func (s *featuresStorage) GetSingularName() string {
return s.resource.GetSingularName()
}
func (s *featuresStorage) NewList() runtime.Object {
return s.resource.NewListFunc()
}
func (s *featuresStorage) ConvertToTable(ctx context.Context, object runtime.Object, tableOptions runtime.Object) (*metav1.Table, error) {
return s.tableConverter.ConvertToTable(ctx, object, tableOptions)
}
func (s *featuresStorage) List(ctx context.Context, options *internalversion.ListOptions) (runtime.Object, error) {
flags := &v0alpha1.FeatureList{
ListMeta: metav1.ListMeta{
ResourceVersion: fmt.Sprintf("%d", s.startup),
},
}
for _, flag := range s.features {
flags.Items = append(flags.Items, toK8sForm(flag))
}
return flags, nil
}
func (s *featuresStorage) Get(ctx context.Context, name string, options *metav1.GetOptions) (runtime.Object, error) {
for _, flag := range s.features {
if name == flag.Name {
obj := toK8sForm(flag)
return &obj, nil
}
}
return nil, fmt.Errorf("not found")
}
func toK8sForm(flag featuremgmt.FeatureFlag) v0alpha1.Feature {
return v0alpha1.Feature{
ObjectMeta: metav1.ObjectMeta{
Name: flag.Name,
CreationTimestamp: metav1.NewTime(flag.Created),
},
Spec: v0alpha1.FeatureSpec{
Description: flag.Description,
Stage: flag.Stage.String(),
Owner: string(flag.Owner),
AllowSelfServe: flag.AllowSelfServe,
HideFromAdminPage: flag.HideFromAdminPage,
HideFromDocs: flag.HideFromDocs,
FrontendOnly: flag.FrontendOnly,
RequiresDevMode: flag.RequiresDevMode,
RequiresRestart: flag.RequiresRestart,
},
}
}