protected override void ProcessRecord()
{
AmazonEC2 client = base.GetClient();
Amazon.EC2.Model.DescribeSpotPriceHistoryRequest request = new Amazon.EC2.Model.DescribeSpotPriceHistoryRequest();
request.StartTime = this._StartTime;
request.EndTime = this._EndTime;
if (string.IsNullOrEmpty(this._InstanceType))
{
request.InstanceType.Add(this._InstanceType);
}
if (string.IsNullOrEmpty(this._ProductDescription))
{
request.ProductDescription.Add(this._ProductDescription);
}
Amazon.EC2.Model.DescribeSpotPriceHistoryResponse response = client.DescribeSpotPriceHistory(request);
base.WriteObject(response.DescribeSpotPriceHistoryResult.SpotPriceHistory, true);
}
/// <summary>
/// Query EC2 for the spot pricing history for a specified instance type.
/// </summary>
protected override void AmazonExecute()
{
var request = new DescribeSpotPriceHistoryRequest
{
InstanceType = new List<string> { this.InstanceType.Get(this.ActivityContext) },
StartTime = this.StartTime.Get(this.ActivityContext).ToAmazonDateTime(),
EndTime = this.EndTime.Get(this.ActivityContext).ToAmazonDateTime()
};
try
{
var response = EC2Client.DescribeSpotPriceHistory(request);
this.PriceHistory.Set(this.ActivityContext, response.DescribeSpotPriceHistoryResult.SpotPriceHistory);
}
catch (EndpointNotFoundException ex)
{
this.LogBuildMessage(ex.Message);
}
}
/// <summary>
/// Query the market for product spot pricing.
/// </summary>
protected override void AmazonExecute()
{
var request = new DescribeSpotPriceHistoryRequest
{
InstanceType = new List<string> { this.InstanceType.Get(this.ActivityContext) },
ProductDescription = new List<string> { this.ProductDescription.Get(this.ActivityContext) },
StartTime = DateTime.Now.ToAmazonDateTime(),
};
try
{
var response = EC2Client.DescribeSpotPriceHistory(request);
// Get the first price in the price history array
decimal price = decimal.Parse(response.DescribeSpotPriceHistoryResult.SpotPriceHistory[0].SpotPrice);
this.CurrentSpotPrice.Set(this.ActivityContext, price);
}
catch (EndpointNotFoundException ex)
{
this.LogBuildMessage(ex.Message);
}
}
private Amazon.EC2.Model.DescribeSpotPriceHistoryResponse CallAWSServiceOperation(IAmazonEC2 client, Amazon.EC2.Model.DescribeSpotPriceHistoryRequest request)
{
Utils.Common.WriteVerboseEndpointMessage(this, client.Config, "Amazon Elastic Compute Cloud (EC2)", "DescribeSpotPriceHistory");
try
{
#if DESKTOP
return(client.DescribeSpotPriceHistory(request));
#elif CORECLR
return(client.DescribeSpotPriceHistoryAsync(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("^");
// create request and set iteration invariants
var request = new Amazon.EC2.Model.DescribeSpotPriceHistoryRequest();
if (cmdletContext.AvailabilityZone != null)
{
request.AvailabilityZone = cmdletContext.AvailabilityZone;
}
if (cmdletContext.UtcEndTime != null)
{
request.EndTimeUtc = cmdletContext.UtcEndTime.Value;
}
if (cmdletContext.Filter != null)
{
request.Filters = cmdletContext.Filter;
}
if (cmdletContext.InstanceType != null)
{
request.InstanceTypes = cmdletContext.InstanceType;
}
if (cmdletContext.ProductDescription != null)
{
request.ProductDescriptions = cmdletContext.ProductDescription;
}
if (cmdletContext.UtcStartTime != null)
{
request.StartTimeUtc = cmdletContext.UtcStartTime.Value;
}
#pragma warning disable CS0618, CS0612 //A class member was marked with the Obsolete attribute
if (cmdletContext.EndTime != null)
{
if (cmdletContext.UtcEndTime != null)
{
throw new System.ArgumentException("Parameters EndTime and UtcEndTime are mutually exclusive.", nameof(this.EndTime));
}
request.EndTime = cmdletContext.EndTime.Value;
}
#pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
#pragma warning disable CS0618, CS0612 //A class member was marked with the Obsolete attribute
if (cmdletContext.StartTime != null)
{
if (cmdletContext.UtcStartTime != null)
{
throw new System.ArgumentException("Parameters StartTime and UtcStartTime are mutually exclusive.", nameof(this.StartTime));
}
request.StartTime = cmdletContext.StartTime.Value;
}
#pragma warning restore CS0618, CS0612 //A class member was marked with the Obsolete attribute
// 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.SpotPriceHistory.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);
}
/// <summary>
/// Initiates the asynchronous execution of the DescribeSpotPriceHistory operation.
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the DescribeSpotPriceHistory 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 EndDescribeSpotPriceHistory
/// operation.</returns>
public IAsyncResult BeginDescribeSpotPriceHistory(DescribeSpotPriceHistoryRequest request, AsyncCallback callback, object state)
{
var marshaller = new DescribeSpotPriceHistoryRequestMarshaller();
var unmarshaller = DescribeSpotPriceHistoryResponseUnmarshaller.Instance;
return BeginInvoke<DescribeSpotPriceHistoryRequest>(request, marshaller, unmarshaller,
callback, state);
}
internal DescribeSpotPriceHistoryPaginator(IAmazonEC2 client, DescribeSpotPriceHistoryRequest request)
{
this._client = client;
this._request = request;
}
/// <summary>
/// Paginator for DescribeSpotPriceHistory operation
///</summary>
public IDescribeSpotPriceHistoryPaginator DescribeSpotPriceHistory(DescribeSpotPriceHistoryRequest request)
{
return(new DescribeSpotPriceHistoryPaginator(this.client, request));
}
static async Task<DescribeSpotPriceHistoryResponse> GetSpotPricesFromRegion(string region, InstanceType instanceType, string description)
{
AmazonEC2Client client = GetEC2Client(region);
var request = new DescribeSpotPriceHistoryRequest();
request.StartTime = DateTime.UtcNow - TimeSpan.FromMinutes(10.0);
request.InstanceTypes = new List<string>() { instanceType.Value };
request.ProductDescriptions = new List<string>() { description };
return await client.DescribeSpotPriceHistoryAsync(request);
}
/// <summary>
/// Initiates the asynchronous execution of the DescribeSpotPriceHistory operation.
/// <seealso cref="Amazon.EC2.IAmazonEC2.DescribeSpotPriceHistory"/>
/// </summary>
///
/// <param name="describeSpotPriceHistoryRequest">Container for the necessary parameters to execute the DescribeSpotPriceHistory 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
/// EndDescribeSpotPriceHistory operation.</returns>
public IAsyncResult BeginDescribeSpotPriceHistory(DescribeSpotPriceHistoryRequest describeSpotPriceHistoryRequest, AsyncCallback callback, object state)
{
return invokeDescribeSpotPriceHistory(describeSpotPriceHistoryRequest, callback, state, false);
}
/// <summary>
/// <para>Describes the Spot Price history. 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>When you specify an Availability Zone, this operation describes the price history for the specified
/// Availability Zone with the most recent set of prices listed first. If you don't specify an Availability Zone, you get the prices across all
/// Availability Zones, starting with the most recent set. However, if you're using an API version earlier than 2011-05-15, you get the lowest
/// price across the region for the specified time period. The prices returned are listed in chronological order, from the oldest to the most
/// recent.</para>
/// </summary>
///
/// <param name="describeSpotPriceHistoryRequest">Container for the necessary parameters to execute the DescribeSpotPriceHistory service method
/// on AmazonEC2.</param>
///
/// <returns>The response from the DescribeSpotPriceHistory service method, as returned by AmazonEC2.</returns>
///
public DescribeSpotPriceHistoryResponse DescribeSpotPriceHistory(DescribeSpotPriceHistoryRequest describeSpotPriceHistoryRequest)
{
IAsyncResult asyncResult = invokeDescribeSpotPriceHistory(describeSpotPriceHistoryRequest, null, null, true);
return EndDescribeSpotPriceHistory(asyncResult);
}
/// <summary>
/// <para>Describes the Spot Price history. 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>When you specify an Availability Zone, this operation describes the price history for the specified
/// Availability Zone with the most recent set of prices listed first. If you don't specify an Availability Zone, you get the prices across all
/// Availability Zones, starting with the most recent set. However, if you're using an API version earlier than 2011-05-15, you get the lowest
/// price across the region for the specified time period. The prices returned are listed in chronological order, from the oldest to the most
/// recent.</para>
/// </summary>
///
/// <param name="describeSpotPriceHistoryRequest">Container for the necessary parameters to execute the DescribeSpotPriceHistory service method
/// on AmazonEC2.</param>
///
/// <returns>The response from the DescribeSpotPriceHistory 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<DescribeSpotPriceHistoryResponse> DescribeSpotPriceHistoryAsync(DescribeSpotPriceHistoryRequest describeSpotPriceHistoryRequest, CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new DescribeSpotPriceHistoryRequestMarshaller();
var unmarshaller = DescribeSpotPriceHistoryResponseUnmarshaller.GetInstance();
return Invoke<IRequest, DescribeSpotPriceHistoryRequest, DescribeSpotPriceHistoryResponse>(describeSpotPriceHistoryRequest, marshaller, unmarshaller, signer, cancellationToken);
}
internal DescribeSpotPriceHistoryResponse DescribeSpotPriceHistory(DescribeSpotPriceHistoryRequest request)
{
var task = DescribeSpotPriceHistoryAsync(request);
try
{
return task.Result;
}
catch(AggregateException e)
{
ExceptionDispatchInfo.Capture(e.InnerException).Throw();
return null;
}
}
/// <summary>
/// Initiates the asynchronous execution of the DescribeSpotPriceHistory operation.
/// <seealso cref="Amazon.EC2.IAmazonEC2.DescribeSpotPriceHistory"/>
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the DescribeSpotPriceHistory 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<DescribeSpotPriceHistoryResponse> DescribeSpotPriceHistoryAsync(DescribeSpotPriceHistoryRequest request, CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new DescribeSpotPriceHistoryRequestMarshaller();
var unmarshaller = DescribeSpotPriceHistoryResponseUnmarshaller.GetInstance();
var response = await Invoke<IRequest, DescribeSpotPriceHistoryRequest, DescribeSpotPriceHistoryResponse>(request, marshaller, unmarshaller, signer, cancellationToken)
.ConfigureAwait(continueOnCapturedContext: false);
return response;
}
/// <summary>
/// <para> Describes the Spot Price history. </para> <para> 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. </para> <para> For conceptual information about Spot Instances, refer to the Amazon Elastic Compute
/// Cloud Developer Guide or Amazon Elastic Compute Cloud User Guide .
/// </para>
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the DescribeSpotPriceHistory service method
/// on AmazonEC2.</param>
///
/// <returns>The response from the DescribeSpotPriceHistory service method, as returned by AmazonEC2.</returns>
public DescribeSpotPriceHistoryResponse DescribeSpotPriceHistory(DescribeSpotPriceHistoryRequest request)
{
var task = DescribeSpotPriceHistoryAsync(request);
try
{
return task.Result;
}
catch(AggregateException e)
{
throw e.InnerException;
}
}
/// <summary>
/// Describes the Spot Price history. The prices returned are listed in chronological
/// order, from the oldest to the most recent, for up to the past 90 days. For more information,
/// see <a href="http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-spot-instances-history.html">Spot
/// Instance Pricing History</a> in the <i>Amazon Elastic Compute Cloud User Guide</i>.
///
///
/// <para>
/// When you specify a start and end time, this operation returns the prices of the instance
/// types within the time range that you specified and the time when the price changed.
/// The price is valid within the time period that you specified; the response merely
/// indicates the last time that the price changed.
/// </para>
/// </summary>
/// <param name="request">Container for the necessary parameters to execute the DescribeSpotPriceHistory service method.</param>
///
/// <returns>The response from the DescribeSpotPriceHistory service method, as returned by EC2.</returns>
public DescribeSpotPriceHistoryResponse DescribeSpotPriceHistory(DescribeSpotPriceHistoryRequest request)
{
var marshaller = new DescribeSpotPriceHistoryRequestMarshaller();
var unmarshaller = DescribeSpotPriceHistoryResponseUnmarshaller.Instance;
return Invoke<DescribeSpotPriceHistoryRequest,DescribeSpotPriceHistoryResponse>(request, marshaller, unmarshaller);
}
/// <summary>
/// Initiates the asynchronous execution of the DescribeSpotPriceHistory operation.
/// </summary>
///
/// <param name="request">Container for the necessary parameters to execute the DescribeSpotPriceHistory 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<DescribeSpotPriceHistoryResponse> DescribeSpotPriceHistoryAsync(DescribeSpotPriceHistoryRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new DescribeSpotPriceHistoryRequestMarshaller();
var unmarshaller = DescribeSpotPriceHistoryResponseUnmarshaller.Instance;
return InvokeAsync<DescribeSpotPriceHistoryRequest,DescribeSpotPriceHistoryResponse>(request, marshaller,
unmarshaller, cancellationToken);
}
IAsyncResult invokeDescribeSpotPriceHistory(DescribeSpotPriceHistoryRequest describeSpotPriceHistoryRequest, AsyncCallback callback, object state, bool synchronized)
{
IRequest irequest = new DescribeSpotPriceHistoryRequestMarshaller().Marshall(describeSpotPriceHistoryRequest);
var unmarshaller = DescribeSpotPriceHistoryResponseUnmarshaller.GetInstance();
AsyncResult result = new AsyncResult(irequest, callback, state, synchronized, signer, unmarshaller);
Invoke(result);
return result;
}
