Chilkat Online Tools

GetLambdaFunctionRecommendations delphiAx Example

AWS Compute Optimizer

var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
json: TChilkatJsonObject;
sbRequestBody: TChilkatStringBuilder;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
accountId: WideString;
currentMemorySize: Integer;
currentPerformanceRisk: WideString;
finding: WideString;
functionArn: WideString;
functionVersion: WideString;
lastRefreshTimestamp: Integer;
lookbackPeriodInDays: Integer;
numberOfInvocations: Integer;
j: Integer;
count_j: Integer;
strVal: WideString;
memorySize: Integer;
rank: Integer;
v_Currency: WideString;
Value: Integer;
SavingsOpportunityPercentage: Integer;
k: Integer;
count_k: Integer;
name: WideString;
statistic: WideString;
value: Integer;
nextToken: WideString;
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 := 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 := 'compute-optimizer';
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws.ControlInterface);

// URL: https://compute-optimizer.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := rest.Connect('compute-optimizer.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('accountIds[0]','string');
json.UpdateString('filters[0].name','string');
json.UpdateString('filters[0].values[0]','string');
json.UpdateString('functionArns[0]','string');
json.UpdateInt('maxResults',123);
json.UpdateString('nextToken','string');

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

// {
//   "accountIds": [
//     "string"
//   ],
//   "filters": [
//     {
//       "name": "string",
//       "values": [
//         "string"
//       ]
//     }
//   ],
//   "functionArns": [
//     "string"
//   ],
//   "maxResults": number,
//   "nextToken": "string"
// }

rest.AddHeader('Content-Type','application/x-amz-json-1.0');
rest.AddHeader('X-Amz-Target','ComputeOptimizerService.GetLambdaFunctionRecommendations');

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

nextToken := jResp.StringOf('nextToken');
i := 0;
count_i := jResp.SizeOfArray('lambdaFunctionRecommendations');
while i < count_i do
  begin
    jResp.I := i;
    accountId := jResp.StringOf('lambdaFunctionRecommendations[i].accountId');
    currentMemorySize := jResp.IntOf('lambdaFunctionRecommendations[i].currentMemorySize');
    currentPerformanceRisk := jResp.StringOf('lambdaFunctionRecommendations[i].currentPerformanceRisk');
    finding := jResp.StringOf('lambdaFunctionRecommendations[i].finding');
    functionArn := jResp.StringOf('lambdaFunctionRecommendations[i].functionArn');
    functionVersion := jResp.StringOf('lambdaFunctionRecommendations[i].functionVersion');
    lastRefreshTimestamp := jResp.IntOf('lambdaFunctionRecommendations[i].lastRefreshTimestamp');
    lookbackPeriodInDays := jResp.IntOf('lambdaFunctionRecommendations[i].lookbackPeriodInDays');
    numberOfInvocations := jResp.IntOf('lambdaFunctionRecommendations[i].numberOfInvocations');
    j := 0;
    count_j := jResp.SizeOfArray('lambdaFunctionRecommendations[i].findingReasonCodes');
    while j < count_j do
      begin
        jResp.J := j;
        strVal := jResp.StringOf('lambdaFunctionRecommendations[i].findingReasonCodes[j]');
        j := j + 1;
      end;

    j := 0;
    count_j := jResp.SizeOfArray('lambdaFunctionRecommendations[i].memorySizeRecommendationOptions');
    while j < count_j do
      begin
        jResp.J := j;
        memorySize := jResp.IntOf('lambdaFunctionRecommendations[i].memorySizeRecommendationOptions[j].memorySize');
        rank := jResp.IntOf('lambdaFunctionRecommendations[i].memorySizeRecommendationOptions[j].rank');
        v_Currency := jResp.StringOf('lambdaFunctionRecommendations[i].memorySizeRecommendationOptions[j].savingsOpportunity.estimatedMonthlySavings.currency');
        Value := jResp.IntOf('lambdaFunctionRecommendations[i].memorySizeRecommendationOptions[j].savingsOpportunity.estimatedMonthlySavings.value');
        SavingsOpportunityPercentage := jResp.IntOf('lambdaFunctionRecommendations[i].memorySizeRecommendationOptions[j].savingsOpportunity.savingsOpportunityPercentage');
        k := 0;
        count_k := jResp.SizeOfArray('lambdaFunctionRecommendations[i].memorySizeRecommendationOptions[j].projectedUtilizationMetrics');
        while k < count_k do
          begin
            jResp.K := k;
            name := jResp.StringOf('lambdaFunctionRecommendations[i].memorySizeRecommendationOptions[j].projectedUtilizationMetrics[k].name');
            statistic := jResp.StringOf('lambdaFunctionRecommendations[i].memorySizeRecommendationOptions[j].projectedUtilizationMetrics[k].statistic');
            value := jResp.IntOf('lambdaFunctionRecommendations[i].memorySizeRecommendationOptions[j].projectedUtilizationMetrics[k].value');
            k := k + 1;
          end;

        j := j + 1;
      end;

    j := 0;
    count_j := jResp.SizeOfArray('lambdaFunctionRecommendations[i].utilizationMetrics');
    while j < count_j do
      begin
        jResp.J := j;
        name := jResp.StringOf('lambdaFunctionRecommendations[i].utilizationMetrics[j].name');
        statistic := jResp.StringOf('lambdaFunctionRecommendations[i].utilizationMetrics[j].statistic');
        value := jResp.IntOf('lambdaFunctionRecommendations[i].utilizationMetrics[j].value');
        j := j + 1;
      end;

    i := i + 1;
  end;

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

// {
//   "lambdaFunctionRecommendations": [
//     {
//       "accountId": "string",
//       "currentMemorySize": number,
//       "currentPerformanceRisk": "string",
//       "finding": "string",
//       "findingReasonCodes": [
//         "string"
//       ],
//       "functionArn": "string",
//       "functionVersion": "string",
//       "lastRefreshTimestamp": number,
//       "lookbackPeriodInDays": number,
//       "memorySizeRecommendationOptions": [
//         {
//           "memorySize": number,
//           "projectedUtilizationMetrics": [
//             {
//               "name": "string",
//               "statistic": "string",
//               "value": number
//             }
//           ],
//           "rank": number,
//           "savingsOpportunity": {
//             "estimatedMonthlySavings": {
//               "currency": "string",
//               "value": number
//             },
//             "savingsOpportunityPercentage": number
//           }
//         }
//       ],
//       "numberOfInvocations": number,
//       "utilizationMetrics": [
//         {
//           "name": "string",
//           "statistic": "string",
//           "value": number
//         }
//       ]
//     }
//   ],
//   "nextToken": "string"
// }