mysql-connector: add config options for selecting data source

and load SQL data source during plugin init

dist/test/datasource-zabbix/config.controller.js

@@ -0,0 +1,50 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.ZabbixDSConfigController = undefined;
+
+var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
+
+var _lodash = require('lodash');
+
+var _lodash2 = _interopRequireDefault(_lodash);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+var SUPPORTED_SQL_DS = ['mysql'];
+
+var defaultConfig = {
+  dbConnection: {
+    enable: false
+  }
+};
+
+var ZabbixDSConfigController = exports.ZabbixDSConfigController = function () {
+  /** @ngInject */
+  function ZabbixDSConfigController($scope, $injector, datasourceSrv) {
+    _classCallCheck(this, ZabbixDSConfigController);
+
+    this.datasourceSrv = datasourceSrv;
+
+    _lodash2.default.defaults(this.current.jsonData, defaultConfig);
+    this.sqlDataSources = this.getSupportedSQLDataSources();
+  }
+
+  _createClass(ZabbixDSConfigController, [{
+    key: 'getSupportedSQLDataSources',
+    value: function getSupportedSQLDataSources() {
+      var datasources = this.datasourceSrv.getAll();
+      return _lodash2.default.filter(datasources, function (ds) {
+        return _lodash2.default.includes(SUPPORTED_SQL_DS, ds.type);
+      });
+    }
+  }]);
+
+  return ZabbixDSConfigController;
+}();
+
+ZabbixDSConfigController.templateUrl = 'datasource-zabbix/partials/config.html';