Chilkat Online Tools

GetLambdaFunctionRecommendations Node.js Example

AWS Compute Optimizer

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node17-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node17-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node17-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node17-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node17-linux64');
    }
} else if (os.platform() == 'darwin') {
    var chilkat = require('@chilkat/ck-node17-macosx');
}

function chilkatExample() {

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

    var rest = new chilkat.Rest();
    var success;

    var authAws = new chilkat.AuthAws();
    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);

    // 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,true,true);
    if (success !== true) {
        console.log("ConnectFailReason: " + rest.ConnectFailReason);
        console.log(rest.LastErrorText);
        return;
    }

    // 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

    var json = new chilkat.JsonObject();
    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");

    var sbRequestBody = new chilkat.StringBuilder();
    json.EmitSb(sbRequestBody);
    var sbResponseBody = new chilkat.StringBuilder();
    success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody);
    if (success !== true) {
        console.log(rest.LastErrorText);
        return;
    }

    var respStatusCode = rest.ResponseStatusCode;
    console.log("response status code = " + respStatusCode);
    if (respStatusCode !== 200) {
        console.log("Response Header:");
        console.log(rest.ResponseHeader);
        console.log("Response Body:");
        console.log(sbResponseBody.GetAsString());
        return;
    }

    var jResp = new chilkat.JsonObject();
    jResp.LoadSb(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

    var accountId;
    var currentMemorySize;
    var currentPerformanceRisk;
    var finding;
    var functionArn;
    var functionVersion;
    var lastRefreshTimestamp;
    var lookbackPeriodInDays;
    var numberOfInvocations;
    var j;
    var count_j;
    var strVal;
    var memorySize;
    var rank;
    var v_Currency;
    var Value;
    var SavingsOpportunityPercentage;
    var k;
    var count_k;
    var name;
    var statistic;
    var value;

    var nextToken = jResp.StringOf("nextToken");
    var i = 0;
    var count_i = jResp.SizeOfArray("lambdaFunctionRecommendations");
    while (i < count_i) {
        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) {
            jResp.J = j;
            strVal = jResp.StringOf("lambdaFunctionRecommendations[i].findingReasonCodes[j]");
            j = j+1;
        }

        j = 0;
        count_j = jResp.SizeOfArray("lambdaFunctionRecommendations[i].memorySizeRecommendationOptions");
        while (j < count_j) {
            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) {
                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;
            }

            j = j+1;
        }

        j = 0;
        count_j = jResp.SizeOfArray("lambdaFunctionRecommendations[i].utilizationMetrics");
        while (j < count_j) {
            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;
        }

        i = i+1;
    }

    // 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"
    // }

}

chilkatExample();