feat: data source proxy refactoring and route handling, #9078

tests/datasource-test/module.js

@@ -0,0 +1,38 @@
+System.register([], function (_export) {
+  "use strict";
+
+  return {
+    setters: [],
+    execute: function () {
+
+      function Datasource(instanceSettings, backendSrv) {
+        this.url = instanceSettings.url;
+
+        this.testDatasource = function() {
+          return backendSrv.datasourceRequest({
+            method: 'GET',
+            url: this.url  + '/api/v4/search'
+          });
+        }
+      }
+
+      function ConfigCtrl() {
+
+      }
+
+      ConfigCtrl.template = `
+        <div class="gf-form">
+          <label class="gf-form-label width-13">Email </label>
+          <input type="text" class="gf-form-input max-width-18" ng-model='ctrl.current.jsonData.email'></input>
+         </div>
+         <div class="gf-form">
+          <label class="gf-form-label width-13">Access key ID </label>
+          <input type="text" class="gf-form-input max-width-18" ng-model='ctrl.current.secureJsonData.token'></input>
+         </div>
+      `;
+
+      _export('Datasource', Datasource);
+      _export('ConfigCtrl', ConfigCtrl);
+    }
+  };
+});

tests/datasource-test/plugin.json

@@ -0,0 +1,31 @@
+{
+  "type": "datasource",
+  "name": "Test Datasource",
+  "id": "test-ds",
+
+  "routes": [
+    {
+      "path": "api/v5/",
+      "method": "*",
+      "url": "https://grafana-api.kentik.com/api/v5",
+      "tokenAuth": {
+        "url":  "https://login.microsoftonline.com/{{.JsonData.tenantId}}/oauth2/token",
+        "body": {
+          "grant_type":  "client_credentials",
+          "client_id": "{{.JsonData.clientId}}",
+          "client_secret": "{{.SecureJsonData.clientSecret}}",
+          "resource": "https://management.azure.com/"
+        }
+      }
+    },
+    {
+      "path": "api/v4/",
+      "method": "*",
+      "url": "http://localhost:3333",
+      "headers": [
+        {"name": "X-CH-Auth-API-Token", "content": "test {{.SecureJsonData.token}}"},
+        {"name": "X-CH-Auth-Email", "content": "test {{.JsonData.email}}"}
+      ]
+    }
+  ]
+}