stackdriver: add some more typings

public/app/plugins/datasource/stackdriver/components/QueryEditor.tsx

@@ -10,21 +10,21 @@ import { Alignments } from './Alignments';
 import { AlignmentPeriods } from './AlignmentPeriods';
 import { AliasBy } from './AliasBy';
 import { Help } from './Help';
-import { Target, MetricDescriptor } from '../types';
+import { StackdriverQuery, MetricDescriptor } from '../types';
 import { getAlignmentPickerData } from '../functions';
 import StackdriverDatasource from '../datasource';
 import { SelectOptionItem } from '@grafana/ui';
 
 export interface Props {
-  onQueryChange: (target: Target) => void;
+  onQueryChange: (target: StackdriverQuery) => void;
   onExecuteQuery: () => void;
-  target: Target;
+  target: StackdriverQuery;
   events: any;
   datasource: StackdriverDatasource;
   templateSrv: TemplateSrv;
 }
 
-interface State extends Target {
+interface State extends StackdriverQuery {
   alignOptions: SelectOptionItem[];
   lastQuery: string;
   lastQueryError: string;

public/app/plugins/datasource/stackdriver/datasource.ts

@@ -2,9 +2,10 @@ import { stackdriverUnitMappings } from './constants';
 import appEvents from 'app/core/app_events';
 import _ from 'lodash';
 import StackdriverMetricFindQuery from './StackdriverMetricFindQuery';
-import { MetricDescriptor } from './types';
+import { StackdriverQuery, MetricDescriptor } from './types';
+import { DataSourceApi, DataQueryOptions } from '@grafana/ui/src/types';
 
-export default class StackdriverDatasource {
+export default class StackdriverDatasource implements DataSourceApi<StackdriverQuery> {
   id: number;
   url: string;
   baseUrl: string;
@@ -103,7 +104,7 @@ export default class StackdriverDatasource {
     return unit;
   }
 
-  async query(options) {
+  async query(options: DataQueryOptions<StackdriverQuery>) {
     const result = [];
     const data = await this.getTimeSeries(options);
     if (data.results) {

public/app/plugins/datasource/stackdriver/query_ctrl.ts

 import _ from 'lodash';
 
 import { QueryCtrl } from 'app/plugins/sdk';
-import { Target } from './types';
+import { StackdriverQuery } from './types';
 import { TemplateSrv } from 'app/features/templating/template_srv';
 
 export class StackdriverQueryCtrl extends QueryCtrl {
@@ -16,7 +16,7 @@ export class StackdriverQueryCtrl extends QueryCtrl {
     this.onExecuteQuery = this.onExecuteQuery.bind(this);
   }
 
-  onQueryChange(target: Target) {
+  onQueryChange(target: StackdriverQuery) {
     Object.assign(this.target, target);
   }
 

public/app/plugins/datasource/stackdriver/types.ts

+import { DataQuery } from '@grafana/ui/src/types';
+
 export enum MetricFindQueryTypes {
   Services = 'services',
   MetricTypes = 'metricTypes',
@@ -20,20 +22,22 @@ export interface VariableQueryData {
   services: Array<{ value: string; name: string }>;
 }
 
-export interface Target {
-  defaultProject: string;
-  unit: string;
+export interface StackdriverQuery extends DataQuery {
+  defaultProject?: string;
+  unit?: string;
   metricType: string;
-  service: string;
+  service?: string;
   refId: string;
   crossSeriesReducer: string;
-  alignmentPeriod: string;
-  perSeriesAligner: string;
-  groupBys: string[];
-  filters: string[];
-  aliasBy: string;
-  metricKind: string;
-  valueType: string;
+  alignmentPeriod?: string;
+  perSeriesAligner?: string;
+  groupBys?: string[];
+  filters?: string[];
+  aliasBy?: string;
+  metricKind?: string;
+  valueType?: string;
+  datasourceId: number;
+  view: string;
 }
 
 export interface AnnotationTarget {