/// <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)
{
this.LogBuildMessage(ex.Message);
}
}
protected override void ProcessRecord()
{
AmazonEC2 client = base.GetClient();
Amazon.EC2.Model.DescribeSpotInstanceRequestsRequest request = new Amazon.EC2.Model.DescribeSpotInstanceRequestsRequest();
if (string.IsNullOrEmpty(this._SpotInstanceRequestId))
{
request.SpotInstanceRequestId.Add(this._SpotInstanceRequestId);
}
Amazon.EC2.Model.DescribeSpotInstanceRequestsResponse response = client.DescribeSpotInstanceRequests(request);
base.WriteObject(response.DescribeSpotInstanceRequestsResult.SpotInstanceRequest, true);
}
private Amazon.EC2.Model.DescribeSpotInstanceRequestsResponse CallAWSServiceOperation(IAmazonEC2 client, Amazon.EC2.Model.DescribeSpotInstanceRequestsRequest request)
{
Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "Amazon Elastic Compute Cloud (EC2)", "DescribeSpotInstanceRequests");
try
{
#if DESKTOP
return(client.DescribeSpotInstanceRequests(request));
#elif CORECLR
return(client.DescribeSpotInstanceRequestsAsync(request).GetAwaiter().GetResult());
#else
#error "Unknown build edition"
#endif
}
catch (AmazonServiceException exc)
{
var webException = exc.InnerException as System.Net.WebException;
if (webException != null)
{
throw new Exception(Utils.Common.FormatNameResolutionFailureMessage(client.Config, webException.Message), webException);
}
throw;
}
}
public object Execute(ExecutorContext context)
{
var cmdletContext = context as CmdletContext;
var useParameterSelect = this.Select.StartsWith("^") || this.PassThru.IsPresent;
// create request and set iteration invariants
var request = new Amazon.EC2.Model.DescribeSpotInstanceRequestsRequest();
if (cmdletContext.Filter != null)
{
request.Filters = cmdletContext.Filter;
}
if (cmdletContext.SpotInstanceRequestId != null)
{
request.SpotInstanceRequestIds = cmdletContext.SpotInstanceRequestId;
}
// Initialize loop variants and commence piping
System.String _nextToken = null;
int? _emitLimit = null;
int _retrievedSoFar = 0;
if (AutoIterationHelpers.HasValue(cmdletContext.NextToken))
{
_nextToken = cmdletContext.NextToken;
}
if (AutoIterationHelpers.HasValue(cmdletContext.MaxResult))
{
_emitLimit = cmdletContext.MaxResult;
}
var _userControllingPaging = this.NoAutoIteration.IsPresent || ParameterWasBound(nameof(this.NextToken));
var client = Client ?? CreateClient(_CurrentCredentials, _RegionEndpoint);
do
{
request.NextToken = _nextToken;
if (_emitLimit.HasValue)
{
request.MaxResults = AutoIterationHelpers.ConvertEmitLimitToInt32(_emitLimit.Value);
}
CmdletOutput output;
try
{
var response = CallAWSServiceOperation(client, request);
object pipelineOutput = null;
if (!useParameterSelect)
{
pipelineOutput = cmdletContext.Select(response, this);
}
output = new CmdletOutput
{
PipelineOutput = pipelineOutput,
ServiceResponse = response
};
int _receivedThisCall = response.SpotInstanceRequests.Count;
_nextToken = response.NextToken;
_retrievedSoFar += _receivedThisCall;
if (_emitLimit.HasValue)
{
_emitLimit -= _receivedThisCall;
}
}
catch (Exception e)
{
if (_retrievedSoFar == 0 || !_emitLimit.HasValue)
{
output = new CmdletOutput {
ErrorResponse = e
};
}
else
{
break;
}
}
ProcessOutput(output);
} while (!_userControllingPaging && AutoIterationHelpers.HasValue(_nextToken) && (!_emitLimit.HasValue || _emitLimit.Value >= 1));
if (useParameterSelect)
{
WriteObject(cmdletContext.Select(null, this));
}
return(null);
}
public object Execute(ExecutorContext context)
{
var cmdletContext = context as CmdletContext;
#pragma warning disable CS0618, CS0612 //A class member was marked with the Obsolete attribute
var useParameterSelect = this.Select.StartsWith("^") || this.PassThru.IsPresent;
#pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
// create request and set iteration invariants
var request = new Amazon.EC2.Model.DescribeSpotInstanceRequestsRequest();
if (cmdletContext.Filter != null)
{
request.Filters = cmdletContext.Filter;
}
if (cmdletContext.MaxResult != null)
{
request.MaxResults = AutoIterationHelpers.ConvertEmitLimitToServiceTypeInt32(cmdletContext.MaxResult.Value);
}
if (cmdletContext.SpotInstanceRequestId != null)
{
request.SpotInstanceRequestIds = cmdletContext.SpotInstanceRequestId;
}
// Initialize loop variant and commence piping
var _nextToken = cmdletContext.NextToken;
var _userControllingPaging = this.NoAutoIteration.IsPresent || ParameterWasBound(nameof(this.NextToken));
var client = Client ?? CreateClient(_CurrentCredentials, _RegionEndpoint);
do
{
request.NextToken = _nextToken;
CmdletOutput output;
try
{
var response = CallAWSServiceOperation(client, request);
object pipelineOutput = null;
if (!useParameterSelect)
{
pipelineOutput = cmdletContext.Select(response, this);
}
output = new CmdletOutput
{
PipelineOutput = pipelineOutput,
ServiceResponse = response
};
_nextToken = response.NextToken;
}
catch (Exception e)
{
output = new CmdletOutput {
ErrorResponse = e
};
}
ProcessOutput(output);
} while (!_userControllingPaging && AutoIterationHelpers.HasValue(_nextToken));
if (useParameterSelect)
{
WriteObject(cmdletContext.Select(null, this));
}
return(null);
}
/// <summary>
/// Paginator for DescribeSpotInstanceRequests operation
///</summary>
public IDescribeSpotInstanceRequestsPaginator DescribeSpotInstanceRequests(DescribeSpotInstanceRequestsRequest request)
{
return(new DescribeSpotInstanceRequestsPaginator(this.client, request));
}
IAsyncResult invokeDescribeSpotInstanceRequests(DescribeSpotInstanceRequestsRequest describeSpotInstanceRequestsRequest, AsyncCallback callback, object state, bool synchronized)
{
IRequest irequest = new DescribeSpotInstanceRequestsRequestMarshaller().Marshall(describeSpotInstanceRequestsRequest);
var unmarshaller = DescribeSpotInstanceRequestsResponseUnmarshaller.GetInstance();
AsyncResult result = new AsyncResult(irequest, callback, state, synchronized, signer, unmarshaller);
Invoke(result);
return result;
}
/// <summary>
/// Describes the Spot Instance requests that belong to your account. Spot Instances are
/// instances that Amazon EC2 launches when the bid price that you specify exceeds the
/// current Spot Price. Amazon EC2 periodically sets the Spot Price based on available
/// Spot Instance capacity and current Spot Instance requests. For more information, see
/// <a href="http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-requests.html">Spot
/// Instance Requests</a> in the <i>Amazon Elastic Compute Cloud User Guide</i>.
///
///
/// <para>
/// You can use <code>DescribeSpotInstanceRequests</code> to find a running Spot Instance
/// by examining the response. If the status of the Spot Instance is <code>fulfilled</code>,
/// the instance ID appears in the response and contains the identifier of the instance.
/// Alternatively, you can use <a>DescribeInstances</a> with a filter to look for instances
/// where the instance lifecycle is <code>spot</code>.
/// </para>
/// </summary>
/// <param name="request">Container for the necessary parameters to execute the DescribeSpotInstanceRequests service method.</param>
///
/// <returns>The response from the DescribeSpotInstanceRequests service method, as returned by EC2.</returns>
public DescribeSpotInstanceRequestsResponse DescribeSpotInstanceRequests(DescribeSpotInstanceRequestsRequest request)
{
var marshaller = new DescribeSpotInstanceRequestsRequestMarshaller();
var unmarshaller = DescribeSpotInstanceRequestsResponseUnmarshaller.Instance;
return Invoke<DescribeSpotInstanceRequestsRequest,DescribeSpotInstanceRequestsResponse>(request, marshaller, unmarshaller);
}
/// <summary>
/// <para>Describes the Spot Instance requests that belong to your account. Spot Instances are instances that Amazon EC2 starts on your behalf
/// when the maximum price that you specify exceeds the current Spot Price. Amazon EC2 periodically sets the Spot Price based on available Spot
/// Instance capacity and current Spot Instance requests. For more information about Spot Instances, see <a href="http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-spot-instances.html">Spot Instances</a> in the <i>Amazon Elastic Compute
/// Cloud User Guide</i> .</para> <para>You can use <c>DescribeSpotInstanceRequests</c> to find a running Spot Instance by examining the
/// response. If the status of the Spot Instance is <c>fulfilled</c> , the instance ID appears in the response and contains the identifier of
/// the instance. Alternatively, you can use DescribeInstances with a filter to look for instances where the instance lifecycle is <c>spot</c>
/// .</para>
/// </summary>
///
/// <param name="describeSpotInstanceRequestsRequest">Container for the necessary parameters to execute the DescribeSpotInstanceRequests service
/// method on AmazonEC2.</param>
///
/// <returns>The response from the DescribeSpotInstanceRequests service method, as returned by AmazonEC2.</returns>
/// <param name="cancellationToken">
/// A cancellation token that can be used by other objects or threads to receive notice of cancellation.
/// </param>
public Task<DescribeSpotInstanceRequestsResponse> DescribeSpotInstanceRequestsAsync(DescribeSpotInstanceRequestsRequest describeSpotInstanceRequestsRequest, CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new DescribeSpotInstanceRequestsRequestMarshaller();
var unmarshaller = DescribeSpotInstanceRequestsResponseUnmarshaller.GetInstance();
return Invoke<IRequest, DescribeSpotInstanceRequestsRequest, DescribeSpotInstanceRequestsResponse>(describeSpotInstanceRequestsRequest, marshaller, unmarshaller, signer, cancellationToken);
}
internal DescribeSpotInstanceRequestsResponse DescribeSpotInstanceRequests(DescribeSpotInstanceRequestsRequest request)
{
var task = DescribeSpotInstanceRequestsAsync(request);
try
{
return task.Result;
}
catch(AggregateException e)
{
ExceptionDispatchInfo.Capture(e.InnerException).Throw();
return null;
}
}
/// <summary>
/// This function returns the current state of a spot request
/// </summary>
/// <param name="RequestId">The id of the request to fetch the status</param>
/// <returns>The status of the spot request</returns>
public string GetSpotRequestState(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].State.Value;
}
}
catch (Exception ex)
{
ErrorCode = -1;
ErrorMessage = ex.Message + "::" + ex.InnerException;
}
return result;
}
/// <summary>
/// Initiates the asynchronous execution of the DescribeSpotInstanceRequests operation.
/// <seealso cref="Amazon.EC2.IAmazonEC2.DescribeSpotInstanceRequests"/>
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the DescribeSpotInstanceRequests operation.</param>
/// <param name="cancellationToken">
/// A cancellation token that can be used by other objects or threads to receive notice of cancellation.
/// </param>
/// <returns>The task object representing the asynchronous operation.</returns>
public async Task<DescribeSpotInstanceRequestsResponse> DescribeSpotInstanceRequestsAsync(DescribeSpotInstanceRequestsRequest request, CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new DescribeSpotInstanceRequestsRequestMarshaller();
var unmarshaller = DescribeSpotInstanceRequestsResponseUnmarshaller.GetInstance();
var response = await Invoke<IRequest, DescribeSpotInstanceRequestsRequest, DescribeSpotInstanceRequestsResponse>(request, marshaller, unmarshaller, signer, cancellationToken)
.ConfigureAwait(continueOnCapturedContext: false);
return response;
}
/// <summary>
/// <para> Describes Spot Instance requests. Spot Instances are instances that Amazon EC2 starts on your behalf when the maximum price that you
/// specify exceeds the current Spot Price. Amazon EC2 periodically sets the Spot Price based on available Spot Instance capacity and current
/// spot instance requests. For conceptual information about Spot Instances, refer to the <a href="http://docs.amazonwebservices.com/AWSEC2/2010-08-31/DeveloperGuide/"> Amazon Elastic Compute Cloud Developer Guide</a> or <a href="http://docs.amazonwebservices.com/AWSEC2/2010-08-31/UserGuide/"> Amazon Elastic Compute Cloud User Guide</a> .
/// </para> <para> You can filter the results to return information only about Spot Instance requests that match criteria you specify. For
/// example, you could get information about requests where the Spot Price you specified is a certain value (you can't use greater than or less
/// than comparison, but you can use <c>*</c> and <c>?</c> wildcards). You can specify multiple values for a filter. A Spot Instance request
/// must match at least one of the specified values for it to be included in the results. </para> <para> You can specify multiple filters (e.g.,
/// the Spot Price is equal to a particular value, and the instance type is <c>m1.small</c> ). The result includes information for a particular
/// request only if it matches all your filters. If there's no match, no special message is returned; the response is simply empty. </para>
/// <para> You can use wildcards with the filter values: an asterisk matches zero or more characters, and <c>?</c> matches exactly one
/// character. You can escape special characters using a backslash before the character. For example, a value of <c>\*amazon\?\\</c> searches
/// for the literal string <c>*amazon?\</c> .
/// </para>
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the DescribeSpotInstanceRequests service
/// method on AmazonEC2.</param>
///
/// <returns>The response from the DescribeSpotInstanceRequests service method, as returned by AmazonEC2.</returns>
public DescribeSpotInstanceRequestsResponse DescribeSpotInstanceRequests(DescribeSpotInstanceRequestsRequest request)
{
var task = DescribeSpotInstanceRequestsAsync(request);
try
{
return task.Result;
}
catch(AggregateException e)
{
throw e.InnerException;
}
}
/// <summary>
/// Initiates the asynchronous execution of the DescribeSpotInstanceRequests operation.
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the DescribeSpotInstanceRequests operation on AmazonEC2Client.</param>
/// <param name="callback">An AsyncCallback delegate that is invoked when the operation completes.</param>
/// <param name="state">A user-defined state object that is passed to the callback procedure. Retrieve this object from within the callback
/// procedure using the AsyncState property.</param>
///
/// <returns>An IAsyncResult that can be used to poll or wait for results, or both; this value is also needed when invoking EndDescribeSpotInstanceRequests
/// operation.</returns>
public IAsyncResult BeginDescribeSpotInstanceRequests(DescribeSpotInstanceRequestsRequest request, AsyncCallback callback, object state)
{
var marshaller = new DescribeSpotInstanceRequestsRequestMarshaller();
var unmarshaller = DescribeSpotInstanceRequestsResponseUnmarshaller.Instance;
return BeginInvoke<DescribeSpotInstanceRequestsRequest>(request, marshaller, unmarshaller,
callback, state);
}
/// <summary>
/// <para>Describes the Spot Instance requests that belong to your account. Spot Instances are instances that Amazon EC2 starts on your behalf
/// when the maximum price that you specify exceeds the current Spot Price. Amazon EC2 periodically sets the Spot Price based on available Spot
/// Instance capacity and current Spot Instance requests. For more information about Spot Instances, see <a
/// href="http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-spot-instances.html" >Spot Instances</a> in the <i>Amazon Elastic Compute
/// Cloud User Guide</i> .</para> <para>You can use <c>DescribeSpotInstanceRequests</c> to find a running Spot Instance by examining the
/// response. If the status of the Spot Instance is <c>fulfilled</c> , the instance ID appears in the response and contains the identifier of
/// the instance. Alternatively, you can use DescribeInstances with a filter to look for instances where the instance lifecycle is <c>spot</c>
/// .</para>
/// </summary>
///
/// <param name="describeSpotInstanceRequestsRequest">Container for the necessary parameters to execute the DescribeSpotInstanceRequests service
/// method on AmazonEC2.</param>
///
/// <returns>The response from the DescribeSpotInstanceRequests service method, as returned by AmazonEC2.</returns>
///
public DescribeSpotInstanceRequestsResponse DescribeSpotInstanceRequests(DescribeSpotInstanceRequestsRequest describeSpotInstanceRequestsRequest)
{
IAsyncResult asyncResult = invokeDescribeSpotInstanceRequests(describeSpotInstanceRequestsRequest, null, null, true);
return EndDescribeSpotInstanceRequests(asyncResult);
}
internal DescribeSpotInstanceRequestsPaginator(IAmazonEC2 client, DescribeSpotInstanceRequestsRequest request)
{
this._client = client;
this._request = request;
}
/// <summary>
/// Initiates the asynchronous execution of the DescribeSpotInstanceRequests operation.
/// <seealso cref="Amazon.EC2.IAmazonEC2.DescribeSpotInstanceRequests"/>
/// </summary>
///
/// <param name="describeSpotInstanceRequestsRequest">Container for the necessary parameters to execute the DescribeSpotInstanceRequests
/// operation on AmazonEC2.</param>
/// <param name="callback">An AsyncCallback delegate that is invoked when the operation completes.</param>
/// <param name="state">A user-defined state object that is passed to the callback procedure. Retrieve this object from within the callback
/// procedure using the AsyncState property.</param>
///
/// <returns>An IAsyncResult that can be used to poll or wait for results, or both; this value is also needed when invoking
/// EndDescribeSpotInstanceRequests operation.</returns>
public IAsyncResult BeginDescribeSpotInstanceRequests(DescribeSpotInstanceRequestsRequest describeSpotInstanceRequestsRequest, AsyncCallback callback, object state)
{
return invokeDescribeSpotInstanceRequests(describeSpotInstanceRequestsRequest, callback, state, false);
}
/// <summary>
/// Initiates the asynchronous execution of the DescribeSpotInstanceRequests operation.
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the DescribeSpotInstanceRequests operation.</param>
/// <param name="cancellationToken">
/// A cancellation token that can be used by other objects or threads to receive notice of cancellation.
/// </param>
/// <returns>The task object representing the asynchronous operation.</returns>
public Task<DescribeSpotInstanceRequestsResponse> DescribeSpotInstanceRequestsAsync(DescribeSpotInstanceRequestsRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new DescribeSpotInstanceRequestsRequestMarshaller();
var unmarshaller = DescribeSpotInstanceRequestsResponseUnmarshaller.Instance;
return InvokeAsync<DescribeSpotInstanceRequestsRequest,DescribeSpotInstanceRequestsResponse>(request, marshaller,
unmarshaller, cancellationToken);
}
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;
}