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ローカルPCのNode.jsでaws-sdkの認証を通す

Last updated at Posted at 2019-12-13

はじめに

ローカルPCでAWSの色々なサービスを操作するツールを作りたいときに、
認証が通せず苦労しましたが、この方法で通せるようです。

ファイルなんか作らずにメモリ内に閉じたかったのですが、無理そうでした。

認証を通すコード

dynamo-utility.ts
import AWS = require('aws-sdk');
import Fs = require('fs');

export class DynamoUtility {
  dynamoDb: AWS.DynamoDB;
  documentClient: AWS.DynamoDB.DocumentClient;

  constructor(credential: any) {
    const tmpFile = './credential.json';
    // 認証ファイルを生成
    Fs.writeFileSync(tmpFile, JSON.stringify(credential));
    // 生成したファイルを読み込ませる
    AWS.config.loadFromPath(tmpFile);
    // ファイル削除
    Fs.unlinkSync(tmpFile);
    // クライアント生成
    this.documentClient = new AWS.DynamoDB.DocumentClient();
    this.dynamoDb = new AWS.DynamoDB();
  }
}
environment.ts
// ...
    credential: {
      accessKeyId: 'xxxxxxxxxxxxxxxxxxxx',
      secretAccessKey: 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx',
      region: 'ap-northeast-1'
    },
// ...

さいごに

役に立ちましたら、記事にいいねをお願いします。

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