Use resource call query_result query (#57232)

public/app/plugins/datasource/prometheus/datasource.test.ts

@@ -751,6 +751,7 @@ const time = ({ hours = 0, seconds = 0, minutes = 0 }) => dateTime(hours * HOUR
 describe('PrometheusDatasource2', () => {
   const instanceSettings = {
     url: 'proxied',
+    id: 1,
     directUrl: 'direct',
     user: 'test',
     password: 'mupp',
@@ -913,7 +914,9 @@ describe('PrometheusDatasource2', () => {
 
   describe('When querying prometheus with one target and instant = true', () => {
     let results: any;
-    const urlExpected = `proxied/api/v1/query?query=${encodeURIComponent('test{job="testjob"}')}&time=123`;
+    const urlExpected = `/api/datasources/1/resources/api/v1/query?query=${encodeURIComponent(
+      'test{job="testjob"}'
+    )}&time=123`;
     const query = {
       range: { from: time({ seconds: 63 }), to: time({ seconds: 123 }) },
       targets: [{ expr: 'test{job="testjob"}', format: 'time_series', instant: true }],

public/app/plugins/datasource/prometheus/datasource.tsx

@@ -642,10 +642,14 @@ export class PrometheusDatasource
       data['timeout'] = this.queryTimeout;
     }
 
-    return this._request<PromDataSuccessResponse<PromVectorData | PromScalarData>>(url, data, {
-      requestId: query.requestId,
-      headers: query.headers,
-    }).pipe(
+    return this._request<PromDataSuccessResponse<PromVectorData | PromScalarData>>(
+      `/api/datasources/${this.id}/resources${url}`,
+      data,
+      {
+        requestId: query.requestId,
+        headers: query.headers,
+      }
+    ).pipe(
       catchError((err: FetchError<PromDataErrorResponse<PromVectorData | PromScalarData>>) => {
         if (err.cancelled) {
           return of(err);

public/app/plugins/datasource/prometheus/metric_find_query.test.ts

@@ -221,7 +221,7 @@ describe('PrometheusMetricFindQuery', () => {
       expect(fetchMock).toHaveBeenCalledTimes(1);
       expect(fetchMock).toHaveBeenCalledWith({
         method: 'GET',
-        url: `proxied/api/v1/query?query=metric&time=${raw.to.unix()}`,
+        url: `/api/datasources/1/resources/api/v1/query?query=metric&time=${raw.to.unix()}`,
         requestId: undefined,
         headers: {},
       });
@@ -243,7 +243,7 @@ describe('PrometheusMetricFindQuery', () => {
       expect(fetchMock).toHaveBeenCalledTimes(1);
       expect(fetchMock).toHaveBeenCalledWith({
         method: 'GET',
-        url: `proxied/api/v1/query?query=1%2B1&time=${raw.to.unix()}`,
+        url: `/api/datasources/1/resources/api/v1/query?query=1%2B1&time=${raw.to.unix()}`,
         requestId: undefined,
         headers: {},
       });