Listing Buckets (SDK for Node.js)

// Import the OBS library.
// Use npm to install the client.
const ObsClient = require("esdk-obs-nodejs");
// Use the source code to install the client.
// var ObsClient = require('./lib/obs');

// Create an instance of ObsClient.
const obsClient = new ObsClient({
  // Obtain an AK/SK pair using environment variables or import an AK/SK pair in other ways. Using hard coding may result in leakage.
  // Obtain an AK/SK pair on the management console. For details, see https://support.huaweicloud.com/eu/usermanual-ca/ca_01_0003.html.
  access_key_id: process.env.ACCESS_KEY_ID,
  secret_access_key: process.env.SECRET_ACCESS_KEY,
  // (Optional) If you use a temporary AK/SK pair and a security token to access OBS, you are advised not to use hard coding, which may result in information leakage. You can obtain an AK/SK pair using environment variables or import an AK/SK pair in other ways.
  // security_token: process.env.SECURITY_TOKEN,
  // Enter the endpoint corresponding to the region where the bucket is located. EU-Dublin is used here in this example. Replace it with the one currently in use.
  server: "https://obs.eu-west-101.myhuaweicloud.eu"
});

async function listBuckets() {
  try {
    const params = {
      // Specify whether to query the bucket location in the listing. The default value is false. true is used in this example.
      QueryLocation: true,
      // Specify a bucket type (object buckets in this example). If this parameter is not specified, object buckets and parallel file systems are listed by default.
      BucketType: "OBJECT",
    };
    // List buckets.
    const result = await obsClient.listBuckets(params);
    if (result.CommonMsg.Status <= 300) {
      console.log("List buckets successful!", params.Bucket);
      console.log("RequestId: %s", result.CommonMsg.RequestId);
      console.log('Owner:');
      console.log('ID: %s', result.InterfaceResult.Owner.ID);
      console.log('Name: %s', result.InterfaceResult.Owner.Name);
      console.log('Buckets:');
      for (let i = 0; i < result.InterfaceResult.Buckets.length; i++) {
          const val = result.InterfaceResult.Buckets[i];
          console.log("Bucket[%d]-Name:%s,CreationDate:%s,Location: %s",
            i, val.BucketName, val.CreationDate, val.Location);
      };
      return;
    };
    console.log("An ObsError was found, which means your request sent to OBS was rejected with an error response.");
    console.log("Status: %d", result.CommonMsg.Status);
    console.log("Code: %s", result.CommonMsg.Code);
    console.log("Message: %s", result.CommonMsg.Message);
    console.log("RequestId: %s", result.CommonMsg.RequestId);
  } catch (error) {
    console.log("An Exception was found, which means the client encountered an internal problem when attempting to communicate with OBS, for example, the client was unable to access the network.");
    console.log(error);
  };
};

listBuckets();