Chilkat Online Tools

SetLoadBasedAutoScaling C++ Example

AWS OpsWorks

#include <CkRest.h>
#include <CkAuthAws.h>
#include <CkJsonObject.h>
#include <CkStringBuilder.h>

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

    CkRest rest;
    bool success;

    CkAuthAws authAws;
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_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.put_Region("us-west-2");
    authAws.put_ServiceName("opsworks");
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    rest.SetAuthAws(authAws);

    // URL: https://opsworks.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = rest.Connect("opsworks.us-west-2.amazonaws.com",443,true,true);
    if (success != true) {
        std::cout << "ConnectFailReason: " << rest.get_ConnectFailReason() << "\r\n";
        std::cout << rest.lastErrorText() << "\r\n";
        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

    CkJsonObject json;
    json.UpdateString("DownScaling.Alarms[0]","string");
    json.UpdateInt("DownScaling.CpuThreshold",123);
    json.UpdateInt("DownScaling.IgnoreMetricsTime",123);
    json.UpdateInt("DownScaling.InstanceCount",123);
    json.UpdateInt("DownScaling.LoadThreshold",123);
    json.UpdateInt("DownScaling.MemoryThreshold",123);
    json.UpdateInt("DownScaling.ThresholdsWaitTime",123);
    json.UpdateInt("Enable",123);
    json.UpdateString("LayerId","string");
    json.UpdateString("UpScaling.Alarms[0]","string");
    json.UpdateInt("UpScaling.CpuThreshold",123);
    json.UpdateInt("UpScaling.IgnoreMetricsTime",123);
    json.UpdateInt("UpScaling.InstanceCount",123);
    json.UpdateInt("UpScaling.LoadThreshold",123);
    json.UpdateInt("UpScaling.MemoryThreshold",123);
    json.UpdateInt("UpScaling.ThresholdsWaitTime",123);

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

    // {
    //   "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
    //   }
    // }

    rest.AddHeader("Content-Type","application/x-amz-json-1.1");
    rest.AddHeader("X-Amz-Target","OpsWorks_20130218.SetLoadBasedAutoScaling");

    CkStringBuilder sbRequestBody;
    json.EmitSb(sbRequestBody);
    CkStringBuilder sbResponseBody;
    success = rest.FullRequestSb("POST","/",sbRequestBody,sbResponseBody);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    int respStatusCode = rest.get_ResponseStatusCode();
    std::cout << "response status code = " << respStatusCode << "\r\n";
    if (respStatusCode != 200) {
        std::cout << "Response Header:" << "\r\n";
        std::cout << rest.responseHeader() << "\r\n";
        std::cout << "Response Body:" << "\r\n";
        std::cout << sbResponseBody.getAsString() << "\r\n";
        return;
    }

    // If the action is successful, the service sends back an HTTP 200 response with an empty HTTP body.
    }