Chilkat Online Tools

CreateInstance delphiAx Example

AWS OpsWorks

var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
json: TChilkatJsonObject;
sbRequestBody: TChilkatStringBuilder;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
InstanceId: WideString;

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

rest := TChilkatRest.Create(Self);

authAws := TChilkatAuthAws.Create(Self);
authAws.AccessKey := 'AWS_ACCESS_KEY';
authAws.SecretKey := 'AWS_SECRET_KEY';

// Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
authAws.Region := 'us-west-2';
authAws.ServiceName := 'opsworks';
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws.ControlInterface);

// URL: https://opsworks.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := rest.Connect('opsworks.us-west-2.amazonaws.com',443,1,1);
if (success <> 1) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(rest.ConnectFailReason));
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

// The following code creates the JSON request body.
// The JSON created by this code is shown below.

// Use this online tool to generate code from sample JSON:
// Generate Code to Create JSON

json := TChilkatJsonObject.Create(Self);
json.UpdateString('AgentVersion','string');
json.UpdateString('AmiId','string');
json.UpdateString('Architecture','string');
json.UpdateString('AutoScalingType','string');
json.UpdateString('AvailabilityZone','string');
json.UpdateString('BlockDeviceMappings[0].DeviceName','string');
json.UpdateInt('BlockDeviceMappings[0].Ebs.DeleteOnTermination',123);
json.UpdateInt('BlockDeviceMappings[0].Ebs.Iops',123);
json.UpdateString('BlockDeviceMappings[0].Ebs.SnapshotId','string');
json.UpdateInt('BlockDeviceMappings[0].Ebs.VolumeSize',123);
json.UpdateString('BlockDeviceMappings[0].Ebs.VolumeType','string');
json.UpdateString('BlockDeviceMappings[0].NoDevice','string');
json.UpdateString('BlockDeviceMappings[0].VirtualName','string');
json.UpdateInt('EbsOptimized',123);
json.UpdateString('Hostname','string');
json.UpdateInt('InstallUpdatesOnBoot',123);
json.UpdateString('InstanceType','string');
json.UpdateString('LayerIds[0]','string');
json.UpdateString('Os','string');
json.UpdateString('RootDeviceType','string');
json.UpdateString('SshKeyName','string');
json.UpdateString('StackId','string');
json.UpdateString('SubnetId','string');
json.UpdateString('Tenancy','string');
json.UpdateString('VirtualizationType','string');

// The JSON request body created by the above code:

// {
//   "AgentVersion": "string",
//   "AmiId": "string",
//   "Architecture": "string",
//   "AutoScalingType": "string",
//   "AvailabilityZone": "string",
//   "BlockDeviceMappings": [
//     {
//       "DeviceName": "string",
//       "Ebs": {
//         "DeleteOnTermination": boolean,
//         "Iops": number,
//         "SnapshotId": "string",
//         "VolumeSize": number,
//         "VolumeType": "string"
//       },
//       "NoDevice": "string",
//       "VirtualName": "string"
//     }
//   ],
//   "EbsOptimized": boolean,
//   "Hostname": "string",
//   "InstallUpdatesOnBoot": boolean,
//   "InstanceType": "string",
//   "LayerIds": [
//     "string"
//   ],
//   "Os": "string",
//   "RootDeviceType": "string",
//   "SshKeyName": "string",
//   "StackId": "string",
//   "SubnetId": "string",
//   "Tenancy": "string",
//   "VirtualizationType": "string"
// }

rest.AddHeader('Content-Type','application/x-amz-json-1.1');
rest.AddHeader('X-Amz-Target','OpsWorks_20130218.CreateInstance');

sbRequestBody := TChilkatStringBuilder.Create(Self);
json.EmitSb(sbRequestBody.ControlInterface);
sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestSb('POST','/',sbRequestBody.ControlInterface,sbResponseBody.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;
respStatusCode := rest.ResponseStatusCode;
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));
if (respStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(rest.ResponseHeader);
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(sbResponseBody.GetAsString());
    Exit;
  end;

jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.ControlInterface);

// The following code parses the JSON response.
// A sample JSON response is shown below the sample code.

// Use this online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

InstanceId := jResp.StringOf('InstanceId');

// A sample JSON response body parsed by the above code:

// {
//   "InstanceId": "string"
// }