Storage: add support for snapshots, dataframes, and raw json objects (#57934)

pkg/services/store/kind/jsonobj/summary.go

@@ -0,0 +1,37 @@
+package jsonobj
+
+import (
+	"context"
+	"encoding/json"
+
+	"github.com/grafana/grafana/pkg/models"
+	"github.com/grafana/grafana/pkg/services/store"
+)
+
+func GetObjectKindInfo() models.ObjectKindInfo {
+	return models.ObjectKindInfo{
+		ID:          models.StandardKindJSONObj,
+		Name:        "JSON Object",
+		Description: "JSON Object",
+	}
+}
+
+func GetObjectSummaryBuilder() models.ObjectSummaryBuilder {
+	return func(ctx context.Context, uid string, body []byte) (*models.ObjectSummary, []byte, error) {
+		v := make(map[string]interface{})
+		err := json.Unmarshal(body, &v)
+		if err != nil {
+			return nil, nil, err
+		}
+
+		out, err := json.MarshalIndent(v, "", "  ")
+		if err != nil {
+			return nil, nil, err
+		}
+		return &models.ObjectSummary{
+			Kind: models.StandardKindJSONObj,
+			Name: store.GuessNameFromUID(uid),
+			UID:  uid,
+		}, out, err
+	}
+}

pkg/services/store/kind/jsonobj/summary_test.go

@@ -0,0 +1,38 @@
+package jsonobj
+
+import (
+	"context"
+	"encoding/json"
+	"testing"
+	"time"
+
+	"github.com/grafana/grafana-plugin-sdk-go/data"
+	"github.com/stretchr/testify/require"
+)
+
+func TestDataFrameSummary(t *testing.T) {
+	// Just creating a JSON blob
+	df := data.NewFrame("http_requests_total",
+		data.NewField("timestamp", nil, []time.Time{time.Now(), time.Now(), time.Now()}).SetConfig(&data.FieldConfig{
+			DisplayName: "A time Column.",
+		}),
+		data.NewField("value", data.Labels{"service": "auth"}, []float64{1.0, 2.0, 3.0}),
+		data.NewField("category", data.Labels{"service": "auth"}, []string{"foo", "bar", "test"}),
+		data.NewField("valid", data.Labels{"service": "auth"}, []bool{true, false, true}),
+	)
+	in, err := data.FrameToJSON(df, data.IncludeAll)
+	require.NoError(t, err)
+
+	summary, out, err := GetObjectSummaryBuilder()(context.Background(), "path/to/item", in)
+	require.NoError(t, err)
+	require.JSONEq(t, string(in), string(out)) // same json
+
+	asjson, err := json.MarshalIndent(summary, "", "  ")
+	// fmt.Printf(string(asjson))
+	require.NoError(t, err)
+	require.JSONEq(t, `{
+		"name": "item",
+		"uid": "path/to/item",
+		"kind": "jsonobj"
+	  }`, string(asjson))
+}