Chilkat Online Tools

UpdateClusterVersion delphiDll Example

Amazon Elastic Kubernetes Service

var
rest: HCkRest;
success: Boolean;
authAws: HCkAuthAws;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jResp: HCkJsonObject;
errorCode: PWideChar;
errorMessage: PWideChar;
j: Integer;
count_j: Integer;
strVal: PWideChar;
v_type: PWideChar;
value: PWideChar;
CreatedAt: Integer;
Id: PWideChar;
Status: PWideChar;
v_Type: PWideChar;
i: Integer;
count_i: Integer;

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,'eks');
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);

// URL: https://eks.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := CkRest_Connect(rest,'eks.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,'clientRequestToken','string');
CkJsonObject_UpdateString(json,'version','string');

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

// {
//   "clientRequestToken": "string",
//   "version": "string"
// }

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

sbRequestBody := CkStringBuilder_Create();
CkJsonObject_EmitSb(json,sbRequestBody);
sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestSb(rest,'POST','/clusters/{name}/updates',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

CreatedAt := CkJsonObject_IntOf(jResp,'update.createdAt');
Id := CkJsonObject__stringOf(jResp,'update.id');
Status := CkJsonObject__stringOf(jResp,'update.status');
v_Type := CkJsonObject__stringOf(jResp,'update.type');
i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'update.errors');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    errorCode := CkJsonObject__stringOf(jResp,'update.errors[i].errorCode');
    errorMessage := CkJsonObject__stringOf(jResp,'update.errors[i].errorMessage');
    j := 0;
    count_j := CkJsonObject_SizeOfArray(jResp,'update.errors[i].resourceIds');
    while j < count_j do
      begin
        CkJsonObject_putJ(jResp,j);
        strVal := CkJsonObject__stringOf(jResp,'update.errors[i].resourceIds[j]');
        j := j + 1;
      end;

    i := i + 1;
  end;

i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'update.params');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    v_type := CkJsonObject__stringOf(jResp,'update.params[i].type');
    value := CkJsonObject__stringOf(jResp,'update.params[i].value');
    i := i + 1;
  end;

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

// {
//   "update": {
//     "createdAt": number,
//     "errors": [
//       {
//         "errorCode": "string",
//         "errorMessage": "string",
//         "resourceIds": [
//           "string"
//         ]
//       }
//     ],
//     "id": "string",
//     "params": [
//       {
//         "type": "string",
//         "value": "string"
//       }
//     ],
//     "status": "string",
//     "type": "string"
//   }
// }

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