Chilkat Online Tools

DescribeLoadBasedAutoScaling delphiDll Example

AWS OpsWorks

var
rest: HCkRest;
success: Boolean;
authAws: HCkAuthAws;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jResp: HCkJsonObject;
CpuThreshold: Integer;
IgnoreMetricsTime: Integer;
InstanceCount: Integer;
LoadThreshold: Integer;
MemoryThreshold: Integer;
ThresholdsWaitTime: Integer;
Enable: Integer;
LayerId: PWideChar;
UpScalingCpuThreshold: Integer;
UpScalingIgnoreMetricsTime: Integer;
UpScalingInstanceCount: Integer;
UpScalingLoadThreshold: Integer;
UpScalingMemoryThreshold: Integer;
UpScalingThresholdsWaitTime: Integer;
j: Integer;
count_j: Integer;
strVal: 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,'opsworks');
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);

// URL: https://opsworks.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := CkRest_Connect(rest,'opsworks.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,'LayerIds[0]','string');

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

// {
//   "LayerIds": [
//     "string"
//   ]
// }

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

sbRequestBody := CkStringBuilder_Create();
CkJsonObject_EmitSb(json,sbRequestBody);
sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestSb(rest,'POST','/',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

i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'LoadBasedAutoScalingConfigurations');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    CpuThreshold := CkJsonObject_IntOf(jResp,'LoadBasedAutoScalingConfigurations[i].DownScaling.CpuThreshold');
    IgnoreMetricsTime := CkJsonObject_IntOf(jResp,'LoadBasedAutoScalingConfigurations[i].DownScaling.IgnoreMetricsTime');
    InstanceCount := CkJsonObject_IntOf(jResp,'LoadBasedAutoScalingConfigurations[i].DownScaling.InstanceCount');
    LoadThreshold := CkJsonObject_IntOf(jResp,'LoadBasedAutoScalingConfigurations[i].DownScaling.LoadThreshold');
    MemoryThreshold := CkJsonObject_IntOf(jResp,'LoadBasedAutoScalingConfigurations[i].DownScaling.MemoryThreshold');
    ThresholdsWaitTime := CkJsonObject_IntOf(jResp,'LoadBasedAutoScalingConfigurations[i].DownScaling.ThresholdsWaitTime');
    Enable := CkJsonObject_IntOf(jResp,'LoadBasedAutoScalingConfigurations[i].Enable');
    LayerId := CkJsonObject__stringOf(jResp,'LoadBasedAutoScalingConfigurations[i].LayerId');
    UpScalingCpuThreshold := CkJsonObject_IntOf(jResp,'LoadBasedAutoScalingConfigurations[i].UpScaling.CpuThreshold');
    UpScalingIgnoreMetricsTime := CkJsonObject_IntOf(jResp,'LoadBasedAutoScalingConfigurations[i].UpScaling.IgnoreMetricsTime');
    UpScalingInstanceCount := CkJsonObject_IntOf(jResp,'LoadBasedAutoScalingConfigurations[i].UpScaling.InstanceCount');
    UpScalingLoadThreshold := CkJsonObject_IntOf(jResp,'LoadBasedAutoScalingConfigurations[i].UpScaling.LoadThreshold');
    UpScalingMemoryThreshold := CkJsonObject_IntOf(jResp,'LoadBasedAutoScalingConfigurations[i].UpScaling.MemoryThreshold');
    UpScalingThresholdsWaitTime := CkJsonObject_IntOf(jResp,'LoadBasedAutoScalingConfigurations[i].UpScaling.ThresholdsWaitTime');
    j := 0;
    count_j := CkJsonObject_SizeOfArray(jResp,'LoadBasedAutoScalingConfigurations[i].DownScaling.Alarms');
    while j < count_j do
      begin
        CkJsonObject_putJ(jResp,j);
        strVal := CkJsonObject__stringOf(jResp,'LoadBasedAutoScalingConfigurations[i].DownScaling.Alarms[j]');
        j := j + 1;
      end;

    j := 0;
    count_j := CkJsonObject_SizeOfArray(jResp,'LoadBasedAutoScalingConfigurations[i].UpScaling.Alarms');
    while j < count_j do
      begin
        CkJsonObject_putJ(jResp,j);
        strVal := CkJsonObject__stringOf(jResp,'LoadBasedAutoScalingConfigurations[i].UpScaling.Alarms[j]');
        j := j + 1;
      end;

    i := i + 1;
  end;

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

// {
//   "LoadBasedAutoScalingConfigurations": [
//     {
//       "DownScaling": {
//         "Alarms": [
//           "string"
//         ],
//         "CpuThreshold": number,
//         "IgnoreMetricsTime": number,
//         "InstanceCount": number,
//         "LoadThreshold": number,
//         "MemoryThreshold": number,
//         "ThresholdsWaitTime": number
//       },
//       "Enable": boolean,
//       "LayerId": "string",
//       "UpScaling": {
//         "Alarms": [
//           "string"
//         ],
//         "CpuThreshold": number,
//         "IgnoreMetricsTime": number,
//         "InstanceCount": number,
//         "LoadThreshold": number,
//         "MemoryThreshold": number,
//         "ThresholdsWaitTime": number
//       }
//     }
//   ]
// }

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