private DescribeSpotInstanceRequestsResponse GetSpotRequests()
{
DescribeSpotInstanceRequestsRequest request = new DescribeSpotInstanceRequestsRequest();
DescribeSpotInstanceRequestsResponse resp = ec2.DescribeSpotInstanceRequests(request);
return(resp);
}
/// <summary>
/// Query EC2 for spot request information.
/// </summary>
protected override void AmazonExecute()
{
// Get a list of requests to monitor
var requestIds = new List <string>();
foreach (var spotRequest in this.SpotRequests.Get(this.ActivityContext))
{
requestIds.Add(spotRequest.SpotInstanceRequestId);
}
// Create a monitoring request
var request = new DescribeSpotInstanceRequestsRequest
{
SpotInstanceRequestId = requestIds
};
try
{
var response = EC2Client.DescribeSpotInstanceRequests(request);
this.UpdatedSpotRequests.Set(this.ActivityContext, response.DescribeSpotInstanceRequestsResult.SpotInstanceRequest);
}
catch (EndpointNotFoundException ex)
{
LogBuildMessage(ex.Message);
}
}
public string query_request_spot()
{
try
{
var client = get_client();
var query_req = new DescribeSpotInstanceRequestsRequest();
query_req.SpotInstanceRequestIds.Add(spot_request_id);
var query_res = client.DescribeSpotInstanceRequests(query_req);
string status = query_res.SpotInstanceRequests[0].Status.Code;
write_log("スポットリクエストの状態は " + status + " です。");
string tmp = query_res.SpotInstanceRequests[0].InstanceId;
if (tmp != null && tmp.Length != 0)
{
status = status + "," + tmp;
}
return(status);
}
catch (Exception ex)
{
write_log("ERROR: " + ex.ToString());
return(null);
}
}
public override void Invoke(AWSCredentials creds, RegionEndpoint region, int maxItems)
{
AmazonEC2Config config = new AmazonEC2Config();
config.RegionEndpoint = region;
ConfigureClient(config);
AmazonEC2Client client = new AmazonEC2Client(creds, config);
DescribeSpotInstanceRequestsResponse resp = new DescribeSpotInstanceRequestsResponse();
do
{
DescribeSpotInstanceRequestsRequest req = new DescribeSpotInstanceRequestsRequest
{
NextToken = resp.NextToken
,
MaxResults = maxItems
};
resp = client.DescribeSpotInstanceRequests(req);
CheckError(resp.HttpStatusCode, "200");
foreach (var obj in resp.SpotInstanceRequests)
{
AddObject(obj);
}
}while (!string.IsNullOrEmpty(resp.NextToken));
}
public async Task <SpotInstanceRequest> GetSpotRequest(string spotRequestId)
{
var request = new DescribeSpotInstanceRequestsRequest();
request.SpotInstanceRequestIds.Add(spotRequestId);
var describeResponse = await ec2Client.DescribeSpotInstanceRequestsAsync(request);
return(describeResponse.SpotInstanceRequests[0]);
}
// snippet-end:[ec2.dotnet.spot_instance_request_spot_instance]
// snippet-start:[ec2.dotnet.spot_instance_get_spot_request_state]
/* Gets the state of a spot instance request.
* Takes two args:
* AmazonEC2Client ec2Client is the EC2 client through which information about the state of the spot instance is made
* string spotRequestId is the ID of the spot instance
*
* See https://docs.aws.amazon.com/sdkfornet/v3/apidocs/items/EC2/MEC2DescribeSpotInstanceRequests.html
*/
private static SpotInstanceState GetSpotRequestState(
AmazonEC2Client ec2Client,
string spotRequestId)
{
// Create the describeRequest object with all of the request ids
// to monitor (e.g. that we started).
var request = new DescribeSpotInstanceRequestsRequest();
request.SpotInstanceRequestIds.Add(spotRequestId);
// Retrieve the request we want to monitor.
var describeResponse = ec2Client.DescribeSpotInstanceRequestsAsync(request);
SpotInstanceRequest req = describeResponse.Result.SpotInstanceRequests[0];
return(req.State);
}
/// <summary>
/// This function returns the InstanceId for a given spot request
/// </summary>
/// <param name="RequestId">The id of the request to fetch the instance id from</param>
/// <returns>The instance id</returns>
public string GetInstanceIdForSpotRequest(string RequestId)
{
string result = "";
// Initialize error values
ErrorCode = 0;
ErrorMessage = "";
// Create request
var instancesRequest = new DescribeSpotInstanceRequestsRequest()
{
SpotInstanceRequestIds = new List <string> ()
{
RequestId
}
};
try
{
// Run the operation
var statusResponse = EC2client.DescribeSpotInstanceRequests(instancesRequest);
// Check response for errors
if (statusResponse.HttpStatusCode != HttpStatusCode.OK)
{
ErrorCode = Convert.ToInt32(statusResponse.HttpStatusCode);
ErrorMessage = "Http Error [" + statusResponse.HttpStatusCode.ToString() + "]";
}
else
{
result = statusResponse.SpotInstanceRequests[0].InstanceId;
}
}
catch (Exception ex)
{
ErrorCode = -1;
ErrorMessage = ex.Message + "::" + ex.InnerException;
}
return(result);
}
// snippet-end:[ec2.dotnet.spot_instance_cancel_spot_request]
// snippet-start:[ec2.dotnet.spot_instance_terminate_spot_request]
/* Terminates a spot instance request
* Takes two args:
* AmazonEC2Client ec2Client is the EC2 client through which the spot instance is termitted
* string spotRequestId is the ID of the spot instance
*
* See https://docs.aws.amazon.com/sdkfornet/v3/apidocs/items/EC2/MEC2TerminateInstancesTerminateInstancesRequest.html
*/
private static void TerminateSpotInstance(
AmazonEC2Client ec2Client,
string spotRequestId)
{
var describeRequest = new DescribeSpotInstanceRequestsRequest();
describeRequest.SpotInstanceRequestIds.Add(spotRequestId);
// Retrieve the request we want to monitor.
var describeResponse = ec2Client.DescribeSpotInstanceRequestsAsync(describeRequest);
if (SpotInstanceState.Active == describeResponse.Result.SpotInstanceRequests[0].State)
{
string instanceId = describeResponse.Result.SpotInstanceRequests[0].InstanceId;
var terminateRequest = new TerminateInstancesRequest();
terminateRequest.InstanceIds = new List <string>()
{
instanceId
};
try
{
ec2Client.TerminateInstancesAsync(terminateRequest);
}
catch (AmazonEC2Exception ex)
{
// Check the ErrorCode to see if the instance does not exist.
if ("InvalidInstanceID.NotFound" == ex.ErrorCode)
{
Console.WriteLine("Instance {0} does not exist.", instanceId);
}
else
{
// The exception was thrown for another reason, so re-throw the exception.
throw;
}
}
}
}
private async Task <string> UntilBidActiveAsync(string spotInstanceRequestId, CancellationToken?cancellationToken = null)
{
string instanceId = null;
CancellationToken token = cancellationToken.HasValue ? cancellationToken.Value : new CancellationToken();
var bidStateRequest = new DescribeSpotInstanceRequestsRequest()
{
SpotInstanceRequestIds = new List <string>()
{
spotInstanceRequestId
},
};
while (instanceId == null)
{
token.ThrowIfCancellationRequested();
var bidState = (await this.Client.DescribeSpotInstanceRequestsAsync(bidStateRequest)).SpotInstanceRequests[0];
this.BidStatus = bidState.Status.Code;
if (bidState.State == "active")
{
instanceId = bidState.InstanceId;
}
else if (bidState.State == "open")
{
await Task.Delay(1000, token);
}
else
{
throw new Exception(string.Format("Spot bid has reached state {0} for reason {1}", bidState.State, bidState.Status));
}
}
return(instanceId);
}
