[英]Unable to get IAM security credentials from EC2 Instance Metadata Service - .netcore AWS SDK
[英]AWS JS SDK V3 (Lambda module) - Unable to connect to instance metadata service
我以前使用多合一的aws-sdk
npm 模塊 ( https://www.npmjs.com/package/aws-sdk ) 來調用 AWS Lambda 函數,為此,以下代碼運行良好:
//Some code to get "credentials"
...
const AWS = require('aws-sdk');
const lambda = new AWS.Lambda({
accessKeyId: credentials.accessKeyId,
secretAccessKey: credentials.secretAccessKey,
region: Config.REGION
});
lambda.invoke(pullParams, (err, data) =>
//I would do something with data
);
...
現在,從https://github.com/aws/aws-sdk-js-v3得到提示,我希望使用模塊化@aws-sdk/client-lambda-node
,因為它是我唯一需要的類在我的項目中。 因此,我更改了我的代碼(如此處所建議的: https : //github.com/aws/aws-sdk-js-v3/tree/master/packages/client-lambda-node#usage ),如下所示:
import * as AWS from "@aws-sdk/client-lambda-node/Lambda";
/*
I believe there is a typo in the form of
"
import * as AWS from "@aws-sdk/@aws-sdk/client-lambda-node/Lambda";
"
at the original page
*/
...
//Some code to get the same "credentials" as above
const lambda = new AWS.Lambda({
accessKeyId: credentials.accessKeyId,
secretAccessKey: credentials.secretAccessKey,
region: Config.REGION
});
lambda.invokeAsync(pullParams, (err, data) =>
//I want to do something with err / data
);
...
就其價值而言,這是在 ReactJS 應用程序中(盡管我確定那不相關)。 在瀏覽器中使用0.1.0-preview.5
版本嘗試上面的代碼(它在早期工作的地方)永遠給了我
http://169.254.169.254/latest/meta-data/iam/security-credentials/ net::ERR_CONNECTION_TIMED_OUT
Error: Unable to connect to instance metadata service
(我猜與(1)有關)庫是否不穩定,或者我做錯了什么
您必須使用密鑰credentials
傳遞您的credentials
。 喜歡:
const lambda = new AWS.Lambda({
credentials: {
accessKeyId: credentials.accessKeyId,
secretAccessKey: credentials.secretAccessKey,
},
region: Config.REGION
});
或者:
const lambda = new AWS.Lambda({
credentials,
region: Config.REGION
});
是的,SDK 的第 3 版仍處於 Beta 預覽版中, 他們表示預計會有重大更改:
當 SDK 處於預覽階段時,您可能會遇到錯誤。
回答您的問題,是的,目前生產絕對不穩定。 您的具體問題很常見,我也無法深入了解。 我的生產工作仍然使用 v2。
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