使用 node.js 服务器上传到 amazon s3 只能工作一次

Question

所以这是我用来将图像上传到服务器的代码，但它只能工作一次

[在已接受答案的评论中回答]

1. 我不知道我是否应该设置端点，s3教程上的所有示例甚至都没有提到端点

2. 我不确定我是否应该为每个要上传的文件继续制作新的 s3 对象

3. 如果我不设置端点，即使第一次尝试上传也总是失败（并提供与下面发布的第二次上传相同的控制台输出）

上传功能一次有效，所以我认为这意味着我正确设置了凭据。 但让它再次工作的唯一方法是重新启动 node.js 应用程序。 我很确定我错过了很多东西。 特别是我注意到，在第二次上传时，s3 对象想要连接到 localhost，而不是我在创建它时明确设置的端点 url。

 function upload_photo(socket, data) { s3 = new AWS.S3( {endpoint: 'http://s3-ap-southeast-1.amazonaws.com'} ); console.log("s3 endpoint", s3.endpoint); // for testing var myBucket = 'blackjack-profilepics'; var myKey = socket.player.user_id +".txt"; params = {Bucket: 'blackjack-profilepics', Key: myKey, Body: data }; s3.putObject(params, function(err, data) { if (err) { console.log("Error uploading data:",err) console.log("s3 endpoint", s3.endpoint); } else { console.log("Successfully uploaded data to myBucket/%s", myKey); } });

这是第一次和后续上传尝试的控制台输出：

 first upload: 0|blackjac | s3 endpoint Endpoint { 0|blackjac | protocol: 'http:', 0|blackjac | host: 's3-ap-southeast-1.amazonaws.com', 0|blackjac | port: 80, 0|blackjac | hostname: 's3-ap-southeast-1.amazonaws.com', 0|blackjac | pathname: '/', 0|blackjac | path: '/', 0|blackjac | href: 'http://s3-ap-southeast-1.amazonaws.com/' } 0|blackjac | done with upload! 0|blackjac | Successfully uploaded data to myBucket/15.txt second upload: 0|blackjac | s3 endpoint Endpoint { 0|blackjac | protocol: 'http:', 0|blackjac | host: 's3-ap-southeast-1.amazonaws.com', 0|blackjac | port: 80, 0|blackjac | hostname: 's3-ap-southeast-1.amazonaws.com', 0|blackjac | pathname: '/', 0|blackjac | path: '/', 0|blackjac | href: 'http://s3-ap-southeast-1.amazonaws.com/' } 0|blackjac | done with upload! 0|blackjac | Error uploading data: { UnknownEndpoint: Inaccessible host: `blackjack-profilepics.localhost'. This service may not be available in the `ap-southeast-1' region. 0|blackjac | at Request.ENOTFOUND_ERROR (/home/ubuntu/node_modules/aws-sdk/lib/event_listeners.js:456:46) 0|blackjac | at Request.callListeners (/home/ubuntu/node_modules/aws-sdk/lib/sequential_executor.js:105:20) 0|blackjac | at Request.emit (/home/ubuntu/node_modules/aws-sdk/lib/sequential_executor.js:77:10) 0|blackjac | at Request.emit (/home/ubuntu/node_modules/aws-sdk/lib/request.js:683:14) 0|blackjac | at ClientRequest.error (/home/ubuntu/node_modules/aws-sdk/lib/event_listeners.js:295:22) 0|blackjac | at ClientRequest.<anonymous> (/home/ubuntu/node_modules/aws-sdk/lib/http/node.js:89:19) 0|blackjac | at emitOne (events.js:96:13) 0|blackjac | at ClientRequest.emit (events.js:188:7) 0|blackjac | at Socket.socketErrorListener (_http_client.js:310:9) 0|blackjac | at emitOne (events.js:96:13) 0|blackjac | message: 'Inaccessible host: `blackjack-profilepics.localhost\'. This service may not be available in the `ap-southeast-1\' region.', 0|blackjac | code: 'UnknownEndpoint', 0|blackjac | region: 'ap-southeast-1', 0|blackjac | hostname: 'blackjack-profilepics.localhost', 0|blackjac | retryable: true, 0|blackjac | originalError: 0|blackjac | { Error: getaddrinfo ENOTFOUND blackjack-profilepics.localhost blackjack-profilepics.localhost:8000 0|blackjac | at errnoException (dns.js:28:10) 0|blackjac | at GetAddrInfoReqWrap.onlookup [as oncomplete] (dns.js:76:26) 0|blackjac | message: 'getaddrinfo ENOTFOUND blackjack-profilepics.localhost blackjack-profilepics.localhost:8000', 0|blackjac | code: 'NetworkingError', 0|blackjac | errno: 'ENOTFOUND', 0|blackjac | syscall: 'getaddrinfo', 0|blackjac | hostname: 'blackjack-profilepics.localhost', 0|blackjac | host: 'blackjack-profilepics.localhost', 0|blackjac | port: 8000, 0|blackjac | region: 'ap-southeast-1', 0|blackjac | retryable: true, 0|blackjac | time: 2018-06-10T22:15:58.926Z }, 0|blackjac | time: 2018-06-10T22:15:58.926Z } 0|blackjac | s3 endpoint Endpoint { 0|blackjac | protocol: 'http:', 0|blackjac | host: 's3-ap-southeast-1.amazonaws.com', 0|blackjac | port: 80, 0|blackjac | hostname: 's3-ap-southeast-1.amazonaws.com', 0|blackjac | pathname: '/', 0|blackjac | path: '/', 0|blackjac | href: 'http://s3-ap-southeast-1.amazonaws.com/' }

Answer 1

在第二次上传期间，它似乎正在尝试在localhost域上查找您的存储桶。 您可以尝试指定区域而不是端点吗？

无论哪种方式，S3 服务对象都应该将该信息提供给端点。

s3 = new AWS.S3({region: 'ap-southeast-1'})

Answer 2

我遇到了类似的问题，这个配置对我有用。

const bucketname = 'bsbucket';
//configuring the aws environment
aws.config.update({
    region:"us-west-1",
    accessKeyId:"<accessKeyId>",
    secretAccessKey:"<secretAccessKey>",
    s3BucketEndpoint:true,
    endpoint:"http://" + bucketname + ".s3.amazonaws.com"
});

Answer 3

我大部分时间也有这种情况，但有时不是第一次。 原来我也在使用 dynamodb-connect，它在内部更新了全局 AWS 配置。 您可能没有使用此包，但可能在 AWS.config.update 和/或 AWS.config.loadFromPath（在 SDK 的 v2 中）中添加断点。