Dart

Glacier Delete All Archives in a Vault

See more Amazon Glacier Examples

Iterates over a vault inventory retrieval and deletes each archive. Dart

import 'package:chilkat/chilkat.dart';

void main() {
  // This example requires the Chilkat API to have been previously unlocked.
  // See Global Unlock Sample for sample code.

  final rest = CkRest();

  // Connect to the Amazon AWS REST server in the desired region.
  final bTls = true;
  final port = 443;
  final bAutoReconnect = true;
  rest.connect('glacier.us-west-2.amazonaws.com', port, bTls, bAutoReconnect);

  // Provide AWS credentials.
  final authAws = CkAuthAws();
  authAws.accessKey = 'AWS_ACCESS_KEY';
  authAws.secretKey = 'AWS_SECRET_KEY';
  authAws.serviceName = 'glacier';
  authAws.region = 'us-west-2';

  rest.setAuthAws(authAws);

  // --------------------------------------------------------------------------
  // Note: The above REST connection and setup of the AWS credentials
  // can be done once.  After connecting, any number of REST calls can be made.
  // The "auto reconnect" property passed to rest.Connect indicates that if
  // the connection is lost, a REST method call will automatically reconnect
  // if needed.
  // --------------------------------------------------------------------------

  // For more information, see Glacier Retrieve Job Output Reference Documentation
  // 
  rest.addHeader('x-amz-glacier-version', '2012-06-01');

  final sbResponseBody = CkStringBuilder();
  try {
    rest.fullRequestNoBodySb('GET', '/AWS_ACCOUNT_ID/vaults/chilkat/jobs/JOB_ID/output', sbResponseBody);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  var respStatusCode = rest.responseStatusCode;
  if (respStatusCode >= 400) {
    print('Response Status Code = $respStatusCode');
    print('Response Header:');
    print(rest.responseHeader);
    print('Response Body:');
    print(sbResponseBody.getAsString());
    return;
  }

  // Success is indicated by a 200 response status.
  print('response status code = $respStatusCode');

  // The inventory retrieval job output is in CSV format.
  print('job output:');
  print(sbResponseBody.getAsString());
  print('--');

  // The CSV has these fields:  ArchiveId,ArchiveDescription,CreationDate,Size,SHA256TreeHash
  final csv = CkCsv();
  csv.hasColumnNames = true;
  csv.loadFromString(sbResponseBody.getAsString());

  // Iterate over the results and delete each archive from the vault.
  var i = 0;
  final numRows = csv.numRows;
  while (i < numRows) {

    final archiveId = csv.getCellByName(i, 'ArchiveId');
    print('Deleting ArchiveId: $archiveId');
    rest.addPathParam('ArchiveID', archiveId);
    try {
      rest.fullRequestNoBodySb('DELETE', '/AWS_ACCOUNT_ID/vaults/chilkat/archives/ArchiveID', sbResponseBody);
    } on ChilkatException catch (e) {
      print(e.lastErrorText);
      return;
    }

    respStatusCode = rest.responseStatusCode;

    // Success is indicated by a 204 response status with an empty response body.
    // A 404 resonse indicates the archive was likely already deleted.
    print('response status code = $respStatusCode');

    i++;
  }
}