(C++) EC2 Start Instances

See more Amazon EC2 Examples

Demonstrates how to send a request to start Amazon EC2 instances.

For more information, see https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_StartInstances.html

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#include <CkRest.h>
#include <CkAuthAws.h>
#include <CkXml.h>

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

    CkRest rest;

    // Connect to the Amazon AWS server.
    // such as https://ec2.amazonaws.com/
    bool bTls = true;
    int port = 443;
    bool bAutoReconnect = true;
    bool success = rest.Connect("ec2.us-west-2.amazonaws.com",port,bTls,bAutoReconnect);

    // Provide AWS credentials for the REST call.
    CkAuthAws authAws;
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");
    // the region should match the region part of the domain passed to the REST connect method (above).
    authAws.put_Region("us-west-2");
    authAws.put_ServiceName("ec2");

    rest.SetAuthAws(authAws);

    rest.AddQueryParam("Action","StartInstances");
    rest.AddQueryParam("Version","2016-11-15");
    // If DryRun is true then checks whether you have the required permissions for the action, 
    // without actually making the request, and provides an error response. If you have the required permissions, 
    // the error response is DryRunOperation. Otherwise, it is UnauthorizedOperation.
    // Omit the DryRun query parameter to actually start the instance.  (Or set DryRun equal to "false")
    rest.AddQueryParam("DryRun","true");
    rest.AddQueryParam("InstanceId.1","i-999719995399c9999");

    const char *responseXml = rest.fullRequestNoBody("GET","/");
    if (rest.get_LastMethodSuccess() != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    // A successful response will have a status code equal to 200.
    if (rest.get_ResponseStatusCode() != 200) {
        std::cout << "response status code = " << rest.get_ResponseStatusCode() << "\r\n";
        std::cout << "response status text = " << rest.responseStatusText() << "\r\n";
        std::cout << "response header: " << rest.responseHeader() << "\r\n";
        std::cout << "response body: " << responseXml << "\r\n";
        return;
    }

    // Examine the successful XML response.
    CkXml xml;
    xml.LoadXml(responseXml);
    std::cout << xml.getXml() << "\r\n";
    }