skyquake/framework/core/modules/api/configuration.js

   1 /*
   2  *
   3  *   Copyright 2016 RIFT.IO Inc
   4  *
   5  *   Licensed under the Apache License, Version 2.0 (the "License");
   6  *   you may not use this file except in compliance with the License.
   7  *   You may obtain a copy of the License at
   8  *
   9  *       http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  *   Unless required by applicable law or agreed to in writing, software
  12  *   distributed under the License is distributed on an "AS IS" BASIS,
  13  *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  *   See the License for the specific language governing permissions and
  15  *   limitations under the License.
  16  *
  17  */
  18
  19 /**
  20  * Configuration api module. Provides API functions to configure node
  21  * @module framework/core/modules/api/configuration
  22  * @author Kiran Kashalkar <kiran.kashalkar@riftio.com>
  23  */
  24
  25 var Promise = require('bluebird');
  26 var constants = require('../../api_utils/constants');
  27 var utils = require('../../api_utils/utils');
  28 var request = utils.request;
  29 var configurationAPI = {};
  30 var _ = require('lodash');
  31 var GLOBAL_CONFIGURATION = {
  32     api_server: 'localhost',
  33     ssl_enabled: true,
  34     api_server_port_number: constants.SECURE_SERVER_PORT,
  35     idp_server_address: constants.LAUNCHPAD_ADDRESS,
  36     idp_server_protocol: constants.IDP_SERVER_PROTOCOL,
  37     idp_server_port_number: constants.IDP_PORT_NUMBER
  38 };
  39
  40 /**
  41  * Get the server configuration for the Express API
  42  * @param {Object} req - the Express request object
  43  * @return {Function} Promise that resolves with success object or rejects
  44  *                                        with error
  45  */
  46 configurationAPI.get = function(req) {
  47         return new Promise(function(resolve, reject) {
  48         resolve({
  49             statusCode: constants.HTTP_RESPONSE_CODES.SUCCESS.OK,
  50             data: GLOBAL_CONFIGURATION
  51         });
  52     });
  53 };
  54
  55 /**
  56  * Update the server configuration for the Express API
  57  * @param {Object} req - the Express request object
  58  * @return {Function} Promise that resolves with success object or rejects
  59  *                    with error
  60  */
  61 configurationAPI.update = function(req) {
  62     var newConfiguration = req.body;
  63     return new Promise(function(resolve, reject) {
  64         try {
  65             _.merge(GLOBAL_CONFIGURATION, newConfiguration);
  66             resolve({
  67                 statusCode: constants.HTTP_RESPONSE_CODES.SUCCESS.NO_CONTENT,
  68                 data: {}
  69             })
  70         } catch (e) {
  71             console.log('Merging on new configuration failed. Error:', e);
  72             reject({
  73                 statusCode: constants.HTTP_RESPONSE_CODES.ERROR.INTERNAL_SERVER_ERROR,
  74                 errorMessage: {
  75                     error: 'Problem with merging new configuration. Error: ' + JSON.stringify(e)
  76                 }
  77             });
  78         }
  79     });
  80 };
  81
  82 configurationAPI.globalConfiguration = {};
  83 /**
  84  * Internally used (by Node.js components) to update server configuration
  85  * @param {Object} data - the configuration to merge
  86  */
  87 configurationAPI.globalConfiguration.update = function(data) {
  88     _.merge(GLOBAL_CONFIGURATION, data);
  89 };
  90
  91 /**
  92  * Internally used (by Node.js components) to get server configuration
  93  * @param {Object} data - the configuration to merge
  94  */
  95 configurationAPI.globalConfiguration.get = function() {
  96     return GLOBAL_CONFIGURATION;
  97 };
  98
  99 var backendURL = null;
 100 configurationAPI.getBackendURL = function () {
 101         if (!backendURL) {
 102                 backendURL = GLOBAL_CONFIGURATION.api_server_protocol + '://' + GLOBAL_CONFIGURATION.api_server + ':' + GLOBAL_CONFIGURATION.api_server_port_number;
 103         }
 104         return backendURL;
 105 }
 106
 107 configurationAPI.getBackendAPI = function () {
 108         return configurationAPI.getBackendURL() + '/v2/api';
 109 }
 110
 111
 112
 113 module.exports = configurationAPI;