info.ts refactorings + getHasticDatasourceURL -> getHasticDatasource + names of DSs (#214)

src/datasource/hastic_api.ts

@@ -1,5 +1,6 @@
 import { BackendSrv } from 'grafana/app/core/services/backend_srv';
 
+
 export default class HasticAPI {
   private url: string;
 

src/panel/graph_panel/controllers/analytic_controller.ts

@@ -12,7 +12,7 @@ import { DatasourceRequest } from '../models/datasource';
 import { Segment, SegmentId } from '../models/segment';
 import { SegmentsSet } from '../models/segment_set';
 import { SegmentArray } from '../models/segment_array';
-import { ServerInfo, ServerInfoUnknown } from '../models/info';
+import { HasticServerInfo, HasticServerInfoUnknown } from '../models/hastic_server_info';
 import { Threshold, Condition } from '../models/threshold';
 import text from '../partials/help_section.html';
 
@@ -43,7 +43,7 @@ export class AnalyticController {
   private _tempIdCounted: number = -1;
   private _graphLocked: boolean = false;
   private _statusRunners: Set<AnalyticUnitId> = new Set<AnalyticUnitId>();
-  private _serverInfo: ServerInfo;
+  private _serverInfo: HasticServerInfo;
   private _currentMetric: MetricExpanded;
   private _currentDatasource: DatasourceRequest;
   private _thresholds: Threshold[];
@@ -477,7 +477,7 @@ export class AnalyticController {
 
   public async updateServerInfo() {
     if(!this._analyticService) {
-      this._serverInfo = ServerInfoUnknown;
+      this._serverInfo = HasticServerInfoUnknown;
       return;
     }
     this._serverInfo = await this._analyticService.getServerInfo();

src/panel/graph_panel/graph_ctrl.ts

@@ -10,7 +10,7 @@ import { DatasourceRequest } from './models/datasource';
 import { AnalyticUnitId, AnalyticUnit, LabelingMode } from './models/analytic_unit';
 import { AnalyticService } from './services/analytic_service';
 import { AnalyticController } from './controllers/analytic_controller';
-import { PanelInfo } from './models/info';
+import { HasticPanelInfo } from './models/hastic_panel_info';
 
 import { axesEditorComponent } from './axes_editor';
 
@@ -47,7 +47,7 @@ class GraphCtrl extends MetricsPanelCtrl {
   _graphRenderer: GraphRenderer;
   _graphLegend: GraphLegend;
 
-  _panelInfo: PanelInfo;
+  _panelInfo: HasticPanelInfo;
 
   private _analyticUnitTypes: any;
   private _hasticDatasources: any[];
@@ -183,14 +183,18 @@ class GraphCtrl extends MetricsPanelCtrl {
     this.rebindKeys();
   }
 
-  getHasticDatasourceURL(): string | undefined {
+  getHasticDatasource(): { url: string, name: string } | undefined {
     const hasticDatasourceId = this.panel.hasticDatasource;
     if(hasticDatasourceId !== undefined && hasticDatasourceId !== null) {
       const hasticDatasource = _.find(this._hasticDatasources, { id: hasticDatasourceId });
+      let url = hasticDatasource.url;
       if(hasticDatasource.access === 'proxy') {
-        return `/api/datasources/proxy/${hasticDatasource.id}`;
+        url = `/api/datasources/proxy/${hasticDatasource.id}`
+      }
+      return {
+        url,
+        name: hasticDatasource.name
       }
-      return hasticDatasource.url;
     }
     return undefined;
   }
@@ -296,11 +300,11 @@ class GraphCtrl extends MetricsPanelCtrl {
     this.processor = new DataProcessor(this.panel);
 
     await this._fetchHasticDatasources();
-    const hasticDatasourceURL = this.getHasticDatasourceURL();
-    if(hasticDatasourceURL === undefined) {
+    let hasticDatasource = this.getHasticDatasource();
+    if(hasticDatasource === undefined) {
       delete this.analyticService;
     } else {
-      this.analyticService = new AnalyticService(hasticDatasourceURL, this.$http);
+      this.analyticService = new AnalyticService(hasticDatasource.url, this.$http);
       this.runDatasourceConnectivityCheck();  
     }
 
@@ -651,7 +655,7 @@ class GraphCtrl extends MetricsPanelCtrl {
       datasource = await this._getDatasourceByName(this.panel.datasource);
     }
     
-    const backendUrl = this.getHasticDatasourceURL();
+    const hasticDatasource = this.getHasticDatasource();
 
     let grafanaVersion = 'unknown';
     if(_.has(window, 'grafanaBootData.settings.buildInfo.version')) {
@@ -660,8 +664,10 @@ class GraphCtrl extends MetricsPanelCtrl {
     this._panelInfo = {
       grafanaVersion,
       grafanaUrl: window.location.host,
+      datasourceName: datasource === undefined ? 'unknown' : datasource.name,
       datasourceType: datasource === undefined ? 'unknown' : datasource.type,
-      hasticServerUrl: backendUrl
+      hasticDatasourceName: datasource === undefined ? 'unknown' : hasticDatasource.name,
+      hasticDatasourceUrl: hasticDatasource === undefined ? 'unknown' : hasticDatasource.url
     };
   }
 

src/panel/graph_panel/models/hastic_panel_info.ts

@@ -0,0 +1,8 @@
+export type HasticPanelInfo = {
+  grafanaVersion: string,
+  grafanaUrl: string,
+  datasourceName: string,
+  datasourceType: string,
+  hasticDatasourceName: string,
+  hasticDatasourceUrl: string
+}

src/panel/graph_panel/models/hastic_server_info.ts

@@ -1,4 +1,4 @@
-export type ServerInfo = {
+export type HasticServerInfo = {
   nodeVersion: string,
   packageVersion: string,
   npmUserAgent: string,
@@ -9,7 +9,7 @@ export type ServerInfo = {
   gitCommitHash: string
 }
 
-export const ServerInfoUnknown: ServerInfo = {
+export const HasticServerInfoUnknown: HasticServerInfo = {
   nodeVersion: 'unknown',
   packageVersion: 'unknown',
   npmUserAgent: 'unknown',
@@ -19,10 +19,3 @@ export const ServerInfoUnknown: ServerInfo = {
   gitBranch: 'unknown',
   gitCommitHash: 'unknown'
 };
-
-export type PanelInfo = {
-  grafanaVersion: string,
-  grafanaUrl: string,
-  datasourceType: string,
-  hasticServerUrl: string
-}

src/panel/graph_panel/services/analytic_service.ts

@@ -3,7 +3,7 @@ import { MetricExpanded } from '../models/metric';
 import { DatasourceRequest } from '../models/datasource';
 import { SegmentsSet } from '../models/segment_set';
 import { AnalyticUnitId, AnalyticUnit, AnalyticSegment } from '../models/analytic_unit';
-import { ServerInfo, ServerInfoUnknown } from '../models/info';
+import { HasticServerInfo, HasticServerInfoUnknown } from '../models/hastic_server_info';
 import { Threshold } from '../models/threshold';
 
 import { appEvents } from 'grafana/app/core/core';
@@ -150,10 +150,10 @@ export class AnalyticService {
     }
   }
 
-  async getServerInfo(): Promise<ServerInfo> {
+  async getServerInfo(): Promise<HasticServerInfo> {
     const data = await this.get('/');
     if(data === undefined) {
-      return ServerInfoUnknown;
+      return HasticServerInfoUnknown;
     }
     return {
       nodeVersion: data.nodeVersion,