/**
 * Create Key Pair Action Sample
 * The CreateKeyPair operation creates a new 2048 bit RSA key pair and returns a
 * unique ID that can be used to reference this key pair when launching new
 * instances. For more information, see RunInstances.
 *   
 * @param Amazon_EC2_Interface $service instance of Amazon_EC2_Interface
 * @param mixed $request Amazon_EC2_Model_CreateKeyPair or array of parameters
 */
function invokeCreateKeyPair(Amazon_EC2_Interface $service, $request)
{
    try {
        $response = $service->createKeyPair($request);
        echo "Service Response\n";
        echo "=============================================================================\n";
        echo "        CreateKeyPairResponse\n";
        if ($response->isSetResponseMetadata()) {
            echo "            ResponseMetadata\n";
            $responseMetadata = $response->getResponseMetadata();
            if ($responseMetadata->isSetRequestId()) {
                echo "                RequestId\n";
                echo "                    " . $responseMetadata->getRequestId() . "\n";
            }
        }
        if ($response->isSetCreateKeyPairResult()) {
            echo "            CreateKeyPairResult\n";
            $createKeyPairResult = $response->getCreateKeyPairResult();
            if ($createKeyPairResult->isSetKeyPair()) {
                echo "                KeyPair\n";
                $keyPair = $createKeyPairResult->getKeyPair();
                if ($keyPair->isSetKeyName()) {
                    echo "                    KeyName\n";
                    echo "                        " . $keyPair->getKeyName() . "\n";
                }
                if ($keyPair->isSetKeyFingerprint()) {
                    echo "                    KeyFingerprint\n";
                    echo "                        " . $keyPair->getKeyFingerprint() . "\n";
                }
                if ($keyPair->isSetKeyMaterial()) {
                    echo "                    KeyMaterial\n";
                    echo "                        " . $keyPair->getKeyMaterial() . "\n";
                }
            }
        }
    } catch (Amazon_EC2_Exception $ex) {
        echo "Caught Exception: " . $ex->getMessage() . "\n";
        echo "Response Status Code: " . $ex->getStatusCode() . "\n";
        echo "Error Code: " . $ex->getErrorCode() . "\n";
        echo "Error Type: " . $ex->getErrorType() . "\n";
        echo "Request ID: " . $ex->getRequestId() . "\n";
        echo "XML: " . $ex->getXML() . "\n";
    }
}