Migrate backendSrv to getBackendSrv, fix direct DB connection

src/datasource-zabbix/components/ZabbixInput.tsx

@@ -1,7 +1,8 @@
 import React, { FC } from 'react';
 import { css, cx } from 'emotion';
-import { Themeable, withTheme, Input, GrafanaTheme, EventsWithValidation, ValidationEvents } from '@grafana/ui';
+import { Themeable, withTheme, Input, EventsWithValidation, ValidationEvents } from '@grafana/ui';
 import { isRegex, variableRegex } from '../utils';
+import { GrafanaTheme } from '@grafana/data';
 
 const variablePattern = RegExp(`^${variableRegex.source}`);
 

src/datasource-zabbix/datasource.js

@@ -16,7 +16,7 @@ const DEFAULT_ZABBIX_VERSION = 3;
 export class ZabbixDatasource {
 
   /** @ngInject */
-  constructor(instanceSettings, templateSrv, backendSrv, datasourceSrv, zabbixAlertingSrv) {
+  constructor(instanceSettings, templateSrv, datasourceSrv, zabbixAlertingSrv) {
     this.templateSrv = templateSrv;
     this.zabbixAlertingSrv = zabbixAlertingSrv;
 
@@ -75,7 +75,7 @@ export class ZabbixDatasource {
       dbConnectionRetentionPolicy: this.dbConnectionRetentionPolicy,
     };
 
-    this.zabbix = new Zabbix(zabbixOptions, datasourceSrv, backendSrv);
+    this.zabbix = new Zabbix(zabbixOptions, datasourceSrv);
   }
 
   ////////////////////////

src/datasource-zabbix/specs/datasource.spec.js

@@ -21,11 +21,11 @@ describe('ZabbixDatasource', () => {
     };
 
     ctx.templateSrv = mocks.templateSrvMock;
-    ctx.backendSrv = mocks.backendSrvMock;
+    // ctx.backendSrv = mocks.backendSrvMock;
     ctx.datasourceSrv = mocks.datasourceSrvMock;
     ctx.zabbixAlertingSrv = mocks.zabbixAlertingSrvMock;
 
-    ctx.ds = new Datasource(ctx.instanceSettings, ctx.templateSrv, ctx.backendSrv, ctx.datasourceSrv, ctx.zabbixAlertingSrv);
+    ctx.ds = new Datasource(ctx.instanceSettings, ctx.templateSrv, ctx.datasourceSrv, ctx.zabbixAlertingSrv);
   });
 
   describe('When querying data', () => {

src/datasource-zabbix/zabbix/connectors/sql/sqlConnector.js

@@ -1,4 +1,5 @@
 import _ from 'lodash';
+import { getBackendSrv } from '@grafana/runtime';
 import { compactQuery } from '../../../utils';
 import mysql from './mysql';
 import postgres from './postgres';
@@ -17,8 +18,7 @@ export class SQLConnector extends DBConnector {
     this.sqlDialect = null;
 
     super.loadDBDataSource()
-    .then(ds => {
-      this.backendSrv = ds.backendSrv;
+    .then(() => {
       this.loadSQLDialect();
     });
   }
@@ -96,7 +96,7 @@ export class SQLConnector extends DBConnector {
       maxDataPoints: this.limit
     };
 
-    return this.backendSrv.datasourceRequest({
+    return getBackendSrv().datasourceRequest({
       url: '/api/tsdb/query',
       method: 'POST',
       data: {

src/datasource-zabbix/zabbix/connectors/zabbix_api/zabbixAPIConnector.js

@@ -10,7 +10,7 @@ import { ZBX_ACK_ACTION_NONE, ZBX_ACK_ACTION_ACK, ZBX_ACK_ACTION_ADD_MESSAGE, MI
  * Wraps API calls and provides high-level methods.
  */
 export class ZabbixAPIConnector {
-  constructor(api_url, username, password, version, basicAuth, withCredentials, backendSrv) {
+  constructor(api_url, username, password, version, basicAuth, withCredentials) {
     this.url              = api_url;
     this.username         = username;
     this.password         = password;
@@ -26,7 +26,7 @@ export class ZabbixAPIConnector {
     this.loginErrorCount = 0;
     this.maxLoginAttempts = 3;
 
-    this.zabbixAPICore = new ZabbixAPICore(backendSrv);
+    this.zabbixAPICore = new ZabbixAPICore();
 
     this.getTrend = this.getTrend_ZBXNEXT1193;
     //getTrend = getTrend_30;

src/datasource-zabbix/zabbix/connectors/zabbix_api/zabbixAPICore.js

@@ -1,12 +1,12 @@
 /**
  * General Zabbix API methods
  */
+import { getBackendSrv } from '@grafana/runtime';
 
 export class ZabbixAPICore {
 
   /** @ngInject */
-  constructor(backendSrv) {
-    this.backendSrv = backendSrv;
+  constructor() {
   }
 
   /**
@@ -50,7 +50,7 @@ export class ZabbixAPICore {
   }
 
   datasourceRequest(requestOptions) {
-    return this.backendSrv.datasourceRequest(requestOptions)
+    return getBackendSrv().datasourceRequest(requestOptions)
     .then((response) => {
       if (!response.data) {
         return Promise.reject(new ZabbixAPIError({data: "General Error, no data"}));

src/datasource-zabbix/zabbix/zabbix.js

@@ -25,7 +25,7 @@ const REQUESTS_TO_BIND = [
 ];
 
 export class Zabbix {
-  constructor(options, datasourceSrv, backendSrv) {
+  constructor(options, datasourceSrv) {
     let {
       url,
       username,
@@ -49,7 +49,7 @@ export class Zabbix {
     };
     this.cachingProxy = new CachingProxy(cacheOptions);
 
-    this.zabbixAPI = new ZabbixAPIConnector(url, username, password, zabbixVersion, basicAuth, withCredentials, backendSrv);
+    this.zabbixAPI = new ZabbixAPIConnector(url, username, password, zabbixVersion, basicAuth, withCredentials);
 
     this.proxyfyRequests();
     this.cacheRequests();

src/datasource-zabbix/zabbix/zabbix.test.js

@@ -13,9 +13,9 @@ describe('Zabbix', () => {
 
   beforeEach(() => {
     ctx.options = options;
-    ctx.backendSrv = mocks.backendSrvMock;
+    // ctx.backendSrv = mocks.backendSrvMock;
     ctx.datasourceSrv = mocks.datasourceSrvMock;
-    zabbix = new Zabbix(ctx.options, ctx.backendSrvMock, ctx.datasourceSrvMock);
+    zabbix = new Zabbix(ctx.options, ctx.datasourceSrvMock);
   });
 
   describe('When querying proxies', () => {