Dashboard Library: Display datasource plugin dashboards in empty page (#111279)

pkg/services/dashboardimport/api/api.go

@@ -13,6 +13,7 @@ import (
 	"github.com/grafana/grafana/pkg/services/dashboardimport"
 	"github.com/grafana/grafana/pkg/services/dashboardimport/utils"
 	"github.com/grafana/grafana/pkg/services/dashboards"
+	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/grafana/grafana/pkg/services/pluginsintegration/pluginstore"
 	"github.com/grafana/grafana/pkg/services/quota"
 	"github.com/grafana/grafana/pkg/web"
@@ -23,15 +24,17 @@ type ImportDashboardAPI struct {
 	quotaService           QuotaService
 	pluginStore            pluginstore.Store
 	ac                     accesscontrol.AccessControl
+	features               featuremgmt.FeatureToggles
 }
 
 func New(dashboardImportService dashboardimport.Service, quotaService QuotaService,
-	pluginStore pluginstore.Store, ac accesscontrol.AccessControl) *ImportDashboardAPI {
+	pluginStore pluginstore.Store, ac accesscontrol.AccessControl, features featuremgmt.FeatureToggles) *ImportDashboardAPI {
 	return &ImportDashboardAPI{
 		dashboardImportService: dashboardImportService,
 		quotaService:           quotaService,
 		pluginStore:            pluginStore,
 		ac:                     ac,
+		features:               features,
 	}
 }
 
@@ -43,9 +46,48 @@ func (api *ImportDashboardAPI) RegisterAPIEndpoints(routeRegister routing.RouteR
 			authorize(accesscontrol.EvalPermission(dashboards.ActionDashboardsCreate)),
 			routing.Wrap(api.ImportDashboard),
 		)
+		if api.features.IsEnabledGlobally(featuremgmt.FlagDashboardLibrary) {
+			route.Post(
+				"/interpolate",
+				authorize(accesscontrol.EvalPermission(dashboards.ActionDashboardsCreate)),
+				routing.Wrap(api.InterpolateDashboard),
+			)
+		}
 	}, middleware.ReqSignedIn)
 }
 
+// swagger:route POST /dashboards/interpolate dashboards interpolateDashboard
+//
+// Interpolate dashboard. This is an experimental endpoint under dashboardLibrary FF and is subject to change.
+//
+// Responses:
+// 200: interpolateDashboardResponse
+// 400: badRequestError
+// 401: unauthorisedError
+// 422: unprocessableEntityError
+// 500: internalServerError
+func (api *ImportDashboardAPI) InterpolateDashboard(c *contextmodel.ReqContext) response.Response {
+	req := dashboardimport.ImportDashboardRequest{}
+	if err := web.Bind(c.Req, &req); err != nil {
+		return response.Error(http.StatusBadRequest, "bad request data", err)
+	}
+
+	if req.PluginId == "" {
+		return response.Error(http.StatusUnprocessableEntity, "pluginId must be set", nil)
+	}
+
+	resp, err := api.dashboardImportService.InterpolateDashboard(c.Req.Context(), &req)
+	if err != nil {
+		return response.Error(http.StatusInternalServerError, "failed to interpolate dashboard", err)
+	}
+
+	resp.Del("__elements")
+	resp.Del("__inputs")
+	resp.Del("__requires")
+
+	return response.JSON(http.StatusOK, resp)
+}
+
 // swagger:route POST /dashboards/import dashboards importDashboard
 //
 // Import dashboard.
@@ -110,3 +152,9 @@ type ImportDashboardResponse struct {
 	// in: body
 	Body dashboardimport.ImportDashboardResponse `json:"body"`
 }
+
+// swagger:response interpolateDashboardResponse
+type InterpolateDashboardResponse struct {
+	// in: body
+	Body interface{} `json:"body"`
+}