Chilkat Online Tools

CreateComputeEnvironment delphiDll Example

AWS Batch

var
rest: HCkRest;
success: Boolean;
authAws: HCkAuthAws;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jResp: HCkJsonObject;
computeEnvironmentArn: PWideChar;
computeEnvironmentName: PWideChar;

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

rest := CkRest_Create();

authAws := CkAuthAws_Create();
CkAuthAws_putAccessKey(authAws,'AWS_ACCESS_KEY');
CkAuthAws_putSecretKey(authAws,'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.)
CkAuthAws_putRegion(authAws,'us-west-2');
CkAuthAws_putServiceName(authAws,'batch');
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);

// URL: https://batch.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := CkRest_Connect(rest,'batch.us-west-2.amazonaws.com',443,True,True);
if (success <> True) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(CkRest_getConnectFailReason(rest)));
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    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 := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'computeEnvironmentName','string');
CkJsonObject_UpdateString(json,'computeResources.allocationStrategy','string');
CkJsonObject_UpdateInt(json,'computeResources.bidPercentage',123);
CkJsonObject_UpdateInt(json,'computeResources.desiredvCpus',123);
CkJsonObject_UpdateString(json,'computeResources.ec2Configuration[0].imageIdOverride','string');
CkJsonObject_UpdateString(json,'computeResources.ec2Configuration[0].imageType','string');
CkJsonObject_UpdateString(json,'computeResources.ec2KeyPair','string');
CkJsonObject_UpdateString(json,'computeResources.imageId','string');
CkJsonObject_UpdateString(json,'computeResources.instanceRole','string');
CkJsonObject_UpdateString(json,'computeResources.instanceTypes[0]','string');
CkJsonObject_UpdateString(json,'computeResources.launchTemplate.launchTemplateId','string');
CkJsonObject_UpdateString(json,'computeResources.launchTemplate.launchTemplateName','string');
CkJsonObject_UpdateString(json,'computeResources.launchTemplate.version','string');
CkJsonObject_UpdateInt(json,'computeResources.maxvCpus',123);
CkJsonObject_UpdateInt(json,'computeResources.minvCpus',123);
CkJsonObject_UpdateString(json,'computeResources.placementGroup','string');
CkJsonObject_UpdateString(json,'computeResources.securityGroupIds[0]','string');
CkJsonObject_UpdateString(json,'computeResources.spotIamFleetRole','string');
CkJsonObject_UpdateString(json,'computeResources.subnets[0]','string');
CkJsonObject_UpdateString(json,'computeResources.tags.string','string');
CkJsonObject_UpdateString(json,'computeResources.type','string');
CkJsonObject_UpdateString(json,'serviceRole','string');
CkJsonObject_UpdateString(json,'state','string');
CkJsonObject_UpdateString(json,'tags.string','string');
CkJsonObject_UpdateString(json,'type','string');
CkJsonObject_UpdateInt(json,'unmanagedvCpus',123);

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

// {
//   "computeEnvironmentName": "string",
//   "computeResources": {
//     "allocationStrategy": "string",
//     "bidPercentage": number,
//     "desiredvCpus": number,
//     "ec2Configuration": [
//       {
//         "imageIdOverride": "string",
//         "imageType": "string"
//       }
//     ],
//     "ec2KeyPair": "string",
//     "imageId": "string",
//     "instanceRole": "string",
//     "instanceTypes": [
//       "string"
//     ],
//     "launchTemplate": {
//       "launchTemplateId": "string",
//       "launchTemplateName": "string",
//       "version": "string"
//     },
//     "maxvCpus": number,
//     "minvCpus": number,
//     "placementGroup": "string",
//     "securityGroupIds": [
//       "string"
//     ],
//     "spotIamFleetRole": "string",
//     "subnets": [
//       "string"
//     ],
//     "tags": {
//       "string": "string"
//     },
//     "type": "string"
//   },
//   "serviceRole": "string",
//   "state": "string",
//   "tags": {
//     "string": "string"
//   },
//   "type": "string",
//   "unmanagedvCpus": number
// }

CkRest_AddHeader(rest,'Content-Type','application/x-amz-json-1.1');
CkRest_AddHeader(rest,'X-Amz-Target','CreateComputeEnvironment');

sbRequestBody := CkStringBuilder_Create();
CkJsonObject_EmitSb(json,sbRequestBody);
sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestSb(rest,'POST','/v1/createcomputeenvironment',sbRequestBody,sbResponseBody);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;
respStatusCode := CkRest_getResponseStatusCode(rest);
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));
if (respStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkRest__responseHeader(rest));
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponseBody));
    Exit;
  end;

jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);

// 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

computeEnvironmentArn := CkJsonObject__stringOf(jResp,'computeEnvironmentArn');
computeEnvironmentName := CkJsonObject__stringOf(jResp,'computeEnvironmentName');

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

// {
//   "computeEnvironmentArn": "string",
//   "computeEnvironmentName": "string"
// }

CkRest_Dispose(rest);
CkAuthAws_Dispose(authAws);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbRequestBody);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);