如何在 AWS js SDK 中配置区域？

Question

我的问题

我正在编写一个简单的 js 函数，用于从 AWS CloudWatch Logs 中读取一些信息。

根据 Configuring region in Node.js AWS SDK, and the AWS nodejs SDK documentation 的回答，我得出以下结论：

代码

var AWS = require('aws-sdk');

var cloudwatchlogs = new AWS.CloudWatchLogs();

console.log(AWS.config.region)              // Undefined

AWS.config.region = 'eu-central-1'          // Define the region with dot notation
console.log(AWS.config.region) .            // eu-central-1

AWS.config.update({region:'eu-central-1'}); // Another way to update
console.log(AWS.config.region) .            // eu-central-1


var params = {
  limit: 0,
//   logGroupNamePrefix: 'STRING_VALUE',
//   nextToken: 'STRING_VALUE'
};

// This call is failing
cloudwatchlogs.describeLogGroups(params, function(err, data) {
  if (err) console.log(err, err.stack); // an error occurred
  else     console.log(data);           // successful response
});

输出和错误

undefined
eu-central-1
eu-central-1
{ ConfigError: Missing region in config
    at Request.VALIDATE_REGION (/Users/adam/binaris/adam-test-sls/node_modules/aws-sdk/lib/event_listeners.js:91:45)
    at Request.callListeners (/Users/adam/binaris/adam-test-sls/node_modules/aws-sdk/lib/sequential_executor.js:105:20)
    at callNextListener (/Users/adam/binaris/adam-test-sls/node_modules/aws-sdk/lib/sequential_executor.js:95:12)
    at /Users/adam/binaris/adam-test-sls/node_modules/aws-sdk/lib/event_listeners.js:85:9
    at finish (/Users/adam/binaris/adam-test-sls/node_modules/aws-sdk/lib/config.js:315:7)
    at /Users/adam/binaris/adam-test-sls/node_modules/aws-sdk/lib/config.js:333:9
    at SharedIniFileCredentials.get (/Users/adam/binaris/adam-test-sls/node_modules/aws-sdk/lib/credentials.js:126:7)
    at getAsyncCredentials (/Users/adam/binaris/adam-test-sls/node_modules/aws-sdk/lib/config.js:327:24)
    at Config.getCredentials (/Users/adam/binaris/adam-test-sls/node_modules/aws-sdk/lib/config.js:347:9)
    at Request.VALIDATE_CREDENTIALS (/Users/adam/binaris/adam-test-sls/node_modules/aws-sdk/lib/event_listeners.js:80:26)
  message: 'Missing region in config',
  code: 'ConfigError',
  time: 2017-07-11T09:57:55.638Z } ...

环境

代码是 运行 本地 node v8.1.2.

我的问题

如何在 AWS js SDK 中正确配置区域？

附录

打开了 an issue on github 并得到了一些回应。

Answer 1

使用以下内容。

AWS.config.update({region: 'eu-central-1'});

您可以在以下 link.

中找到更多信息

http://docs.aws.amazon.com/sdk-for-javascript/v2/developer-guide/setting-region.html

Answer 2

或者，您可以在创建 cloudwatch 对象时指定：

var AWS = require('aws-sdk');
var cloudwatchlogs = new AWS.CloudWatchLogs({region: 'eu-central-1'});

Answer 3

Write code in following way it will work.

var AWS = require('aws-sdk');

// assign AWS credentials here in following way:
AWS.config.update({
  accessKeyId: 'asdjsadkskdskskdk',
  secretAccessKey: 'sdsadsissdiidicdsi',
  region: 'eu-central-1'
});
var cloudwatchlogs = new AWS.CloudWatchLogs({apiVersion: '2014-03-28'});