K8s: Expose testdata connection as an api-server (dev mode only) (#79726)

2024-01-09 12:26:24 -08:00
parent 5589c0a8f2
commit 53411eeaa0
24 changed files with 4084 additions and 5 deletions
@@ -0,0 +1,95 @@
+package datasource
+
+import (
+	"context"
+	"fmt"
+
+	"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"
+
+	"github.com/grafana/grafana/pkg/apis"
+	"github.com/grafana/grafana/pkg/apis/datasource/v0alpha1"
+	"github.com/grafana/grafana/pkg/kinds"
+	"github.com/grafana/grafana/pkg/services/datasources"
+	"github.com/grafana/grafana/pkg/services/grafana-apiserver/utils"
+)
+
+var (
+	_ rest.Scoper               = (*connectionAccess)(nil)
+	_ rest.SingularNameProvider = (*connectionAccess)(nil)
+	_ rest.Getter               = (*connectionAccess)(nil)
+	_ rest.Lister               = (*connectionAccess)(nil)
+	_ rest.Storage              = (*connectionAccess)(nil)
+)
+
+type connectionAccess struct {
+	resourceInfo   apis.ResourceInfo
+	tableConverter rest.TableConvertor
+	builder        *DataSourceAPIBuilder
+}
+
+func (s *connectionAccess) New() runtime.Object {
+	return s.resourceInfo.NewFunc()
+}
+
+func (s *connectionAccess) Destroy() {}
+
+func (s *connectionAccess) NamespaceScoped() bool {
+	return true
+}
+
+func (s *connectionAccess) GetSingularName() string {
+	return s.resourceInfo.GetSingularName()
+}
+
+func (s *connectionAccess) ShortNames() []string {
+	return s.resourceInfo.GetShortNames()
+}
+
+func (s *connectionAccess) NewList() runtime.Object {
+	return s.resourceInfo.NewListFunc()
+}
+
+func (s *connectionAccess) ConvertToTable(ctx context.Context, object runtime.Object, tableOptions runtime.Object) (*metav1.Table, error) {
+	return s.tableConverter.ConvertToTable(ctx, object, tableOptions)
+}
+
+func (s *connectionAccess) Get(ctx context.Context, name string, options *metav1.GetOptions) (runtime.Object, error) {
+	ds, err := s.builder.getDataSource(ctx, name)
+	if err != nil {
+		return nil, err
+	}
+	return s.asConnection(ds), nil
+}
+
+func (s *connectionAccess) List(ctx context.Context, options *internalversion.ListOptions) (runtime.Object, error) {
+	result := &v0alpha1.DataSourceConnectionList{
+		Items: []v0alpha1.DataSourceConnection{},
+	}
+	vals, err := s.builder.getDataSources(ctx)
+	if err == nil {
+		for _, ds := range vals {
+			result.Items = append(result.Items, *s.asConnection(ds))
+		}
+	}
+	return result, err
+}
+
+func (s *connectionAccess) asConnection(ds *datasources.DataSource) *v0alpha1.DataSourceConnection {
+	v := &v0alpha1.DataSourceConnection{
+		TypeMeta: s.resourceInfo.TypeMeta(),
+		ObjectMeta: metav1.ObjectMeta{
+			Name:              ds.UID,
+			Namespace:         s.builder.namespacer(ds.OrgID),
+			CreationTimestamp: metav1.NewTime(ds.Created),
+			ResourceVersion:   fmt.Sprintf("%d", ds.Updated.UnixMilli()),
+		},
+		Title: ds.Name,
+	}
+	v.UID = utils.CalculateClusterWideUID(v) // indicates if the value changed on the server
+	meta := kinds.MetaAccessor(v)
+	meta.SetUpdatedTimestamp(&ds.Updated)
+	return v
+}