/// <summary>
/// Unmarshaller the response from the service to the response class.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public override AmazonWebServiceResponse Unmarshall(XmlUnmarshallerContext context)
{
RequestSpotInstancesResponse response = new RequestSpotInstancesResponse();
int originalDepth = context.CurrentDepth;
int targetDepth = originalDepth + 1;
if (context.IsStartOfDocument)
{
targetDepth = 2;
}
while (context.ReadAtDepth(originalDepth))
{
if (context.IsStartElement || context.IsAttribute)
{
if (context.TestExpression("spotInstanceRequestSet/item", targetDepth))
{
var unmarshaller = SpotInstanceRequestUnmarshaller.Instance;
var item = unmarshaller.Unmarshall(context);
response.SpotInstanceRequests.Add(item);
continue;
}
}
}
return(response);
}
// snippet-start:[ec2.dotnet.spot_instance_request_spot_instance]
/* Creates a spot instance
*
* Takes six args:
* AmazonEC2Client ec2Client is the EC2 client through which the spot instance request is made
* string amiId is the AMI of the instance to request
* string securityGroupName is the name of the security group of the instance to request
* InstanceType instanceType is the type of the instance to request
* string spotPrice is the price of the instance to request
* int instanceCount is the number of instances to request
*
* See https://docs.aws.amazon.com/sdkfornet/v3/apidocs/items/EC2/MEC2RequestSpotInstancesRequestSpotInstancesRequest.html
*/
public static SpotInstanceRequest RequestSpotInstance(
AmazonEC2Client ec2Client,
string amiId,
string securityGroupName,
InstanceType instanceType,
string spotPrice,
int instanceCount)
{
RequestSpotInstancesRequest request = new RequestSpotInstancesRequest
{
SpotPrice = spotPrice,
InstanceCount = instanceCount
};
LaunchSpecification launchSpecification = new LaunchSpecification
{
ImageId = amiId,
InstanceType = instanceType
};
launchSpecification.SecurityGroups.Add(securityGroupName);
request.LaunchSpecification = launchSpecification;
RequestSpotInstancesResponse result = ec2Client.RequestSpotInstances(request);
return(result.SpotInstanceRequests[0]);
}
public override AmazonWebServiceResponse Unmarshall(XmlUnmarshallerContext context)
{
RequestSpotInstancesResponse response = new RequestSpotInstancesResponse();
int targetDepth = 2;
while (context.Read())
{
if (context.IsStartElement || context.IsAttribute)
{
if (context.TestExpression("spotInstanceRequestSet/item", targetDepth))
{
response.SpotInstanceRequests.Add(SpotInstanceRequestUnmarshaller.GetInstance().Unmarshall(context));
continue;
}
}
}
return(response);
}
public async Task <RequestSpotInstancesResponse> RequestSpotInstance(
string amiId,
string securityGroupName,
InstanceType instanceType,
string spotPrice,
int instanceCount)
{
var request = new RequestSpotInstancesRequest();
// https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_RequestSpotLaunchSpecification.html
var launchSpecification = new LaunchSpecification();
launchSpecification.ImageId = amiId;
launchSpecification.InstanceType = instanceType;
launchSpecification.SecurityGroups.Add(securityGroupName);
request.SpotPrice = spotPrice;
request.InstanceCount = instanceCount;
request.LaunchSpecification = launchSpecification;
RequestSpotInstancesResponse response = await ec2Client.RequestSpotInstancesAsync(request);
return(response);
}
