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api_op_DescribeSpotInstanceRequests.go
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api_op_DescribeSpotInstanceRequests.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package ec2
import (
"context"
"errors"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
"github.com/aws/aws-sdk-go-v2/service/ec2/types"
smithy "github.com/aws/smithy-go"
"github.com/aws/smithy-go/middleware"
smithytime "github.com/aws/smithy-go/time"
smithyhttp "github.com/aws/smithy-go/transport/http"
smithywaiter "github.com/aws/smithy-go/waiter"
"github.com/jmespath/go-jmespath"
"time"
)
// Describes the specified Spot Instance requests. You can use
// DescribeSpotInstanceRequests to find a running Spot Instance by examining the
// response. If the status of the Spot Instance is fulfilled, the instance ID
// appears in the response and contains the identifier of the instance.
// Alternatively, you can use DescribeInstances
// (https://docs.aws.amazon.com/AWSEC2/latest/APIReference/API_DescribeInstances)
// with a filter to look for instances where the instance lifecycle is spot. We
// recommend that you set MaxResults to a value between 5 and 1000 to limit the
// number of results returned. This paginates the output, which makes the list more
// manageable and returns the results faster. If the list of results exceeds your
// MaxResults value, then that number of results is returned along with a NextToken
// value that can be passed to a subsequent DescribeSpotInstanceRequests request to
// retrieve the remaining results. Spot Instance requests are deleted four hours
// after they are canceled and their instances are terminated.
func (c *Client) DescribeSpotInstanceRequests(ctx context.Context, params *DescribeSpotInstanceRequestsInput, optFns ...func(*Options)) (*DescribeSpotInstanceRequestsOutput, error) {
if params == nil {
params = &DescribeSpotInstanceRequestsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeSpotInstanceRequests", params, optFns, c.addOperationDescribeSpotInstanceRequestsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeSpotInstanceRequestsOutput)
out.ResultMetadata = metadata
return out, nil
}
// Contains the parameters for DescribeSpotInstanceRequests.
type DescribeSpotInstanceRequestsInput struct {
// Checks whether you have the required permissions for the action, without
// actually making the request, and provides an error response. If you have the
// required permissions, the error response is DryRunOperation. Otherwise, it is
// UnauthorizedOperation.
DryRun *bool
// One or more filters.
//
// * availability-zone-group - The Availability Zone
// group.
//
// * create-time - The time stamp when the Spot Instance request was
// created.
//
// * fault-code - The fault code related to the request.
//
// * fault-message
// - The fault message related to the request.
//
// * instance-id - The ID of the
// instance that fulfilled the request.
//
// * launch-group - The Spot Instance launch
// group.
//
// * launch.block-device-mapping.delete-on-termination - Indicates whether
// the EBS volume is deleted on instance termination.
//
// *
// launch.block-device-mapping.device-name - The device name for the volume in the
// block device mapping (for example, /dev/sdh or xvdh).
//
// *
// launch.block-device-mapping.snapshot-id - The ID of the snapshot for the EBS
// volume.
//
// * launch.block-device-mapping.volume-size - The size of the EBS volume,
// in GiB.
//
// * launch.block-device-mapping.volume-type - The type of EBS volume: gp2
// for General Purpose SSD, io1 or io2 for Provisioned IOPS SSD, st1 for Throughput
// Optimized HDD, sc1for Cold HDD, or standard for Magnetic.
//
// * launch.group-id -
// The ID of the security group for the instance.
//
// * launch.group-name - The name
// of the security group for the instance.
//
// * launch.image-id - The ID of the
// AMI.
//
// * launch.instance-type - The type of instance (for example, m3.medium).
//
// *
// launch.kernel-id - The kernel ID.
//
// * launch.key-name - The name of the key pair
// the instance launched with.
//
// * launch.monitoring-enabled - Whether detailed
// monitoring is enabled for the Spot Instance.
//
// * launch.ramdisk-id - The RAM disk
// ID.
//
// * launched-availability-zone - The Availability Zone in which the request
// is launched.
//
// * network-interface.addresses.primary - Indicates whether the IP
// address is the primary private IP address.
//
// *
// network-interface.delete-on-termination - Indicates whether the network
// interface is deleted when the instance is terminated.
//
// *
// network-interface.description - A description of the network interface.
//
// *
// network-interface.device-index - The index of the device for the network
// interface attachment on the instance.
//
// * network-interface.group-id - The ID of
// the security group associated with the network interface.
//
// *
// network-interface.network-interface-id - The ID of the network interface.
//
// *
// network-interface.private-ip-address - The primary private IP address of the
// network interface.
//
// * network-interface.subnet-id - The ID of the subnet for the
// instance.
//
// * product-description - The product description associated with the
// instance (Linux/UNIX | Windows).
//
// * spot-instance-request-id - The Spot Instance
// request ID.
//
// * spot-price - The maximum hourly price for any Spot Instance
// launched to fulfill the request.
//
// * state - The state of the Spot Instance
// request (open | active | closed | cancelled | failed). Spot request status
// information can help you track your Amazon EC2 Spot Instance requests. For more
// information, see Spot request status
// (https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/spot-request-status.html)
// in the Amazon EC2 User Guide for Linux Instances.
//
// * status-code - The short
// code describing the most recent evaluation of your Spot Instance request.
//
// *
// status-message - The message explaining the status of the Spot Instance
// request.
//
// * tag: - The key/value combination of a tag assigned to the resource.
// Use the tag key in the filter name and the tag value as the filter value. For
// example, to find all resources that have a tag with the key Owner and the value
// TeamA, specify tag:Owner for the filter name and TeamA for the filter value.
//
// *
// tag-key - The key of a tag assigned to the resource. Use this filter to find all
// resources assigned a tag with a specific key, regardless of the tag value.
//
// *
// type - The type of Spot Instance request (one-time | persistent).
//
// * valid-from
// - The start date of the request.
//
// * valid-until - The end date of the request.
Filters []types.Filter
// The maximum number of results to return in a single call. Specify a value
// between 5 and 1000. To retrieve the remaining results, make another call with
// the returned NextToken value.
MaxResults *int32
// The token to request the next set of results. This value is null when there are
// no more results to return.
NextToken *string
// One or more Spot Instance request IDs.
SpotInstanceRequestIds []string
noSmithyDocumentSerde
}
// Contains the output of DescribeSpotInstanceRequests.
type DescribeSpotInstanceRequestsOutput struct {
// The token to use to retrieve the next set of results. This value is null when
// there are no more results to return.
NextToken *string
// One or more Spot Instance requests.
SpotInstanceRequests []types.SpotInstanceRequest
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribeSpotInstanceRequestsMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsEc2query_serializeOpDescribeSpotInstanceRequests{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsEc2query_deserializeOpDescribeSpotInstanceRequests{}, middleware.After)
if err != nil {
return err
}
if err = addSetLoggerMiddleware(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
return err
}
if err = addRetryMiddlewares(stack, options); err != nil {
return err
}
if err = addHTTPSignerV4Middleware(stack, options); err != nil {
return err
}
if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
return err
}
if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
return err
}
if err = addClientUserAgent(stack); err != nil {
return err
}
if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeSpotInstanceRequests(options.Region), middleware.Before); err != nil {
return err
}
if err = addRequestIDRetrieverMiddleware(stack); err != nil {
return err
}
if err = addResponseErrorMiddleware(stack); err != nil {
return err
}
if err = addRequestResponseLogging(stack, options); err != nil {
return err
}
return nil
}
// DescribeSpotInstanceRequestsAPIClient is a client that implements the
// DescribeSpotInstanceRequests operation.
type DescribeSpotInstanceRequestsAPIClient interface {
DescribeSpotInstanceRequests(context.Context, *DescribeSpotInstanceRequestsInput, ...func(*Options)) (*DescribeSpotInstanceRequestsOutput, error)
}
var _ DescribeSpotInstanceRequestsAPIClient = (*Client)(nil)
// DescribeSpotInstanceRequestsPaginatorOptions is the paginator options for
// DescribeSpotInstanceRequests
type DescribeSpotInstanceRequestsPaginatorOptions struct {
// The maximum number of results to return in a single call. Specify a value
// between 5 and 1000. To retrieve the remaining results, make another call with
// the returned NextToken value.
Limit int32
// Set to true if pagination should stop if the service returns a pagination token
// that matches the most recent token provided to the service.
StopOnDuplicateToken bool
}
// DescribeSpotInstanceRequestsPaginator is a paginator for
// DescribeSpotInstanceRequests
type DescribeSpotInstanceRequestsPaginator struct {
options DescribeSpotInstanceRequestsPaginatorOptions
client DescribeSpotInstanceRequestsAPIClient
params *DescribeSpotInstanceRequestsInput
nextToken *string
firstPage bool
}
// NewDescribeSpotInstanceRequestsPaginator returns a new
// DescribeSpotInstanceRequestsPaginator
func NewDescribeSpotInstanceRequestsPaginator(client DescribeSpotInstanceRequestsAPIClient, params *DescribeSpotInstanceRequestsInput, optFns ...func(*DescribeSpotInstanceRequestsPaginatorOptions)) *DescribeSpotInstanceRequestsPaginator {
if params == nil {
params = &DescribeSpotInstanceRequestsInput{}
}
options := DescribeSpotInstanceRequestsPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeSpotInstanceRequestsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeSpotInstanceRequestsPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribeSpotInstanceRequests page.
func (p *DescribeSpotInstanceRequestsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeSpotInstanceRequestsOutput, error) {
if !p.HasMorePages() {
return nil, fmt.Errorf("no more pages available")
}
params := *p.params
params.NextToken = p.nextToken
var limit *int32
if p.options.Limit > 0 {
limit = &p.options.Limit
}
params.MaxResults = limit
result, err := p.client.DescribeSpotInstanceRequests(ctx, ¶ms, optFns...)
if err != nil {
return nil, err
}
p.firstPage = false
prevToken := p.nextToken
p.nextToken = result.NextToken
if p.options.StopOnDuplicateToken &&
prevToken != nil &&
p.nextToken != nil &&
*prevToken == *p.nextToken {
p.nextToken = nil
}
return result, nil
}
// SpotInstanceRequestFulfilledWaiterOptions are waiter options for
// SpotInstanceRequestFulfilledWaiter
type SpotInstanceRequestFulfilledWaiterOptions struct {
// Set of options to modify how an operation is invoked. These apply to all
// operations invoked for this client. Use functional options on operation call to
// modify this list for per operation behavior.
APIOptions []func(*middleware.Stack) error
// MinDelay is the minimum amount of time to delay between retries. If unset,
// SpotInstanceRequestFulfilledWaiter will use default minimum delay of 15 seconds.
// Note that MinDelay must resolve to a value lesser than or equal to the MaxDelay.
MinDelay time.Duration
// MaxDelay is the maximum amount of time to delay between retries. If unset or set
// to zero, SpotInstanceRequestFulfilledWaiter will use default max delay of 120
// seconds. Note that MaxDelay must resolve to value greater than or equal to the
// MinDelay.
MaxDelay time.Duration
// LogWaitAttempts is used to enable logging for waiter retry attempts
LogWaitAttempts bool
// Retryable is function that can be used to override the service defined
// waiter-behavior based on operation output, or returned error. This function is
// used by the waiter to decide if a state is retryable or a terminal state. By
// default service-modeled logic will populate this option. This option can thus be
// used to define a custom waiter state with fall-back to service-modeled waiter
// state mutators.The function returns an error in case of a failure state. In case
// of retry state, this function returns a bool value of true and nil error, while
// in case of success it returns a bool value of false and nil error.
Retryable func(context.Context, *DescribeSpotInstanceRequestsInput, *DescribeSpotInstanceRequestsOutput, error) (bool, error)
}
// SpotInstanceRequestFulfilledWaiter defines the waiters for
// SpotInstanceRequestFulfilled
type SpotInstanceRequestFulfilledWaiter struct {
client DescribeSpotInstanceRequestsAPIClient
options SpotInstanceRequestFulfilledWaiterOptions
}
// NewSpotInstanceRequestFulfilledWaiter constructs a
// SpotInstanceRequestFulfilledWaiter.
func NewSpotInstanceRequestFulfilledWaiter(client DescribeSpotInstanceRequestsAPIClient, optFns ...func(*SpotInstanceRequestFulfilledWaiterOptions)) *SpotInstanceRequestFulfilledWaiter {
options := SpotInstanceRequestFulfilledWaiterOptions{}
options.MinDelay = 15 * time.Second
options.MaxDelay = 120 * time.Second
options.Retryable = spotInstanceRequestFulfilledStateRetryable
for _, fn := range optFns {
fn(&options)
}
return &SpotInstanceRequestFulfilledWaiter{
client: client,
options: options,
}
}
// Wait calls the waiter function for SpotInstanceRequestFulfilled waiter. The
// maxWaitDur is the maximum wait duration the waiter will wait. The maxWaitDur is
// required and must be greater than zero.
func (w *SpotInstanceRequestFulfilledWaiter) Wait(ctx context.Context, params *DescribeSpotInstanceRequestsInput, maxWaitDur time.Duration, optFns ...func(*SpotInstanceRequestFulfilledWaiterOptions)) error {
_, err := w.WaitForOutput(ctx, params, maxWaitDur, optFns...)
return err
}
// WaitForOutput calls the waiter function for SpotInstanceRequestFulfilled waiter
// and returns the output of the successful operation. The maxWaitDur is the
// maximum wait duration the waiter will wait. The maxWaitDur is required and must
// be greater than zero.
func (w *SpotInstanceRequestFulfilledWaiter) WaitForOutput(ctx context.Context, params *DescribeSpotInstanceRequestsInput, maxWaitDur time.Duration, optFns ...func(*SpotInstanceRequestFulfilledWaiterOptions)) (*DescribeSpotInstanceRequestsOutput, error) {
if maxWaitDur <= 0 {
return nil, fmt.Errorf("maximum wait time for waiter must be greater than zero")
}
options := w.options
for _, fn := range optFns {
fn(&options)
}
if options.MaxDelay <= 0 {
options.MaxDelay = 120 * time.Second
}
if options.MinDelay > options.MaxDelay {
return nil, fmt.Errorf("minimum waiter delay %v must be lesser than or equal to maximum waiter delay of %v.", options.MinDelay, options.MaxDelay)
}
ctx, cancelFn := context.WithTimeout(ctx, maxWaitDur)
defer cancelFn()
logger := smithywaiter.Logger{}
remainingTime := maxWaitDur
var attempt int64
for {
attempt++
apiOptions := options.APIOptions
start := time.Now()
if options.LogWaitAttempts {
logger.Attempt = attempt
apiOptions = append([]func(*middleware.Stack) error{}, options.APIOptions...)
apiOptions = append(apiOptions, logger.AddLogger)
}
out, err := w.client.DescribeSpotInstanceRequests(ctx, params, func(o *Options) {
o.APIOptions = append(o.APIOptions, apiOptions...)
})
retryable, err := options.Retryable(ctx, params, out, err)
if err != nil {
return nil, err
}
if !retryable {
return out, nil
}
remainingTime -= time.Since(start)
if remainingTime < options.MinDelay || remainingTime <= 0 {
break
}
// compute exponential backoff between waiter retries
delay, err := smithywaiter.ComputeDelay(
attempt, options.MinDelay, options.MaxDelay, remainingTime,
)
if err != nil {
return nil, fmt.Errorf("error computing waiter delay, %w", err)
}
remainingTime -= delay
// sleep for the delay amount before invoking a request
if err := smithytime.SleepWithContext(ctx, delay); err != nil {
return nil, fmt.Errorf("request cancelled while waiting, %w", err)
}
}
return nil, fmt.Errorf("exceeded max wait time for SpotInstanceRequestFulfilled waiter")
}
func spotInstanceRequestFulfilledStateRetryable(ctx context.Context, input *DescribeSpotInstanceRequestsInput, output *DescribeSpotInstanceRequestsOutput, err error) (bool, error) {
if err == nil {
pathValue, err := jmespath.Search("SpotInstanceRequests[].Status.Code", output)
if err != nil {
return false, fmt.Errorf("error evaluating waiter state: %w", err)
}
expectedValue := "fulfilled"
var match = true
listOfValues, ok := pathValue.([]interface{})
if !ok {
return false, fmt.Errorf("waiter comparator expected list got %T", pathValue)
}
if len(listOfValues) == 0 {
match = false
}
for _, v := range listOfValues {
value, ok := v.(*string)
if !ok {
return false, fmt.Errorf("waiter comparator expected *string value, got %T", pathValue)
}
if string(*value) != expectedValue {
match = false
}
}
if match {
return false, nil
}
}
if err == nil {
pathValue, err := jmespath.Search("SpotInstanceRequests[].Status.Code", output)
if err != nil {
return false, fmt.Errorf("error evaluating waiter state: %w", err)
}
expectedValue := "request-canceled-and-instance-running"
var match = true
listOfValues, ok := pathValue.([]interface{})
if !ok {
return false, fmt.Errorf("waiter comparator expected list got %T", pathValue)
}
if len(listOfValues) == 0 {
match = false
}
for _, v := range listOfValues {
value, ok := v.(*string)
if !ok {
return false, fmt.Errorf("waiter comparator expected *string value, got %T", pathValue)
}
if string(*value) != expectedValue {
match = false
}
}
if match {
return false, nil
}
}
if err == nil {
pathValue, err := jmespath.Search("SpotInstanceRequests[].Status.Code", output)
if err != nil {
return false, fmt.Errorf("error evaluating waiter state: %w", err)
}
expectedValue := "schedule-expired"
listOfValues, ok := pathValue.([]interface{})
if !ok {
return false, fmt.Errorf("waiter comparator expected list got %T", pathValue)
}
for _, v := range listOfValues {
value, ok := v.(*string)
if !ok {
return false, fmt.Errorf("waiter comparator expected *string value, got %T", pathValue)
}
if string(*value) == expectedValue {
return false, fmt.Errorf("waiter state transitioned to Failure")
}
}
}
if err == nil {
pathValue, err := jmespath.Search("SpotInstanceRequests[].Status.Code", output)
if err != nil {
return false, fmt.Errorf("error evaluating waiter state: %w", err)
}
expectedValue := "canceled-before-fulfillment"
listOfValues, ok := pathValue.([]interface{})
if !ok {
return false, fmt.Errorf("waiter comparator expected list got %T", pathValue)
}
for _, v := range listOfValues {
value, ok := v.(*string)
if !ok {
return false, fmt.Errorf("waiter comparator expected *string value, got %T", pathValue)
}
if string(*value) == expectedValue {
return false, fmt.Errorf("waiter state transitioned to Failure")
}
}
}
if err == nil {
pathValue, err := jmespath.Search("SpotInstanceRequests[].Status.Code", output)
if err != nil {
return false, fmt.Errorf("error evaluating waiter state: %w", err)
}
expectedValue := "bad-parameters"
listOfValues, ok := pathValue.([]interface{})
if !ok {
return false, fmt.Errorf("waiter comparator expected list got %T", pathValue)
}
for _, v := range listOfValues {
value, ok := v.(*string)
if !ok {
return false, fmt.Errorf("waiter comparator expected *string value, got %T", pathValue)
}
if string(*value) == expectedValue {
return false, fmt.Errorf("waiter state transitioned to Failure")
}
}
}
if err == nil {
pathValue, err := jmespath.Search("SpotInstanceRequests[].Status.Code", output)
if err != nil {
return false, fmt.Errorf("error evaluating waiter state: %w", err)
}
expectedValue := "system-error"
listOfValues, ok := pathValue.([]interface{})
if !ok {
return false, fmt.Errorf("waiter comparator expected list got %T", pathValue)
}
for _, v := range listOfValues {
value, ok := v.(*string)
if !ok {
return false, fmt.Errorf("waiter comparator expected *string value, got %T", pathValue)
}
if string(*value) == expectedValue {
return false, fmt.Errorf("waiter state transitioned to Failure")
}
}
}
if err != nil {
var apiErr smithy.APIError
ok := errors.As(err, &apiErr)
if !ok {
return false, fmt.Errorf("expected err to be of type smithy.APIError, got %w", err)
}
if "InvalidSpotInstanceRequestID.NotFound" == apiErr.ErrorCode() {
return true, nil
}
}
return true, nil
}
func newServiceMetadataMiddleware_opDescribeSpotInstanceRequests(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "ec2",
OperationName: "DescribeSpotInstanceRequests",
}
}