Delphi DLL

Glacier Delete All Archives in a Vault

See more Amazon Glacier Examples

Iterates over a vault inventory retrieval and deletes each archive. Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, AuthAws, Rest, StringBuilder, Csv;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
rest: HCkRest;
bTls: Boolean;
port: Integer;
bAutoReconnect: Boolean;
authAws: HCkAuthAws;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
csv: HCkCsv;
i: Integer;
numRows: Integer;
archiveId: PWideChar;

begin
success := False;

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

rest := CkRest_Create();

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

// Provide AWS credentials.
authAws := CkAuthAws_Create();
CkAuthAws_putAccessKey(authAws,'AWS_ACCESS_KEY');
CkAuthAws_putSecretKey(authAws,'AWS_SECRET_KEY');
CkAuthAws_putServiceName(authAws,'glacier');
CkAuthAws_putRegion(authAws,'us-west-2');

success := CkRest_SetAuthAws(rest,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
// 
CkRest_AddHeader(rest,'x-amz-glacier-version','2012-06-01');

sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestNoBodySb(rest,'GET','/AWS_ACCOUNT_ID/vaults/chilkat/jobs/JOB_ID/output',sbResponseBody);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

respStatusCode := CkRest_getResponseStatusCode(rest);
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkRest__responseHeader(rest));
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponseBody));
    Exit;
  end;

// Success is indicated by a 200 response status.
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));

// The inventory retrieval job output is in CSV format.
Memo1.Lines.Add('job output:');
Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponseBody));
Memo1.Lines.Add('--');

// The CSV has these fields:  ArchiveId,ArchiveDescription,CreationDate,Size,SHA256TreeHash
csv := CkCsv_Create();
CkCsv_putHasColumnNames(csv,True);
CkCsv_LoadFromString(csv,CkStringBuilder__getAsString(sbResponseBody));

// Iterate over the results and delete each archive from the vault.
i := 0;
numRows := CkCsv_getNumRows(csv);
while i < numRows do
  begin

    archiveId := CkCsv__getCellByName(csv,i,'ArchiveId');
    Memo1.Lines.Add('Deleting ArchiveId: ' + archiveId);
    CkRest_AddPathParam(rest,'ArchiveID',archiveId);
    success := CkRest_FullRequestNoBodySb(rest,'DELETE','/AWS_ACCOUNT_ID/vaults/chilkat/archives/ArchiveID',sbResponseBody);
    if (success <> True) then
      begin
        Memo1.Lines.Add(CkRest__lastErrorText(rest));
        Exit;
      end;

    respStatusCode := CkRest_getResponseStatusCode(rest);

    // Success is indicated by a 204 response status with an empty response body.
    // A 404 resonse indicates the archive was likely already deleted.
    Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));

    i := i + 1;
  end;

CkRest_Dispose(rest);
CkAuthAws_Dispose(authAws);
CkStringBuilder_Dispose(sbResponseBody);
CkCsv_Dispose(csv);

end;