// Code generated by smithy-go-codegen DO NOT EDIT. package elasticache 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/elasticache/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" ) // Returns information about all provisioned clusters if no cluster identifier is // specified, or about a specific cache cluster if a cluster identifier is // supplied. By default, abbreviated information about the clusters is returned. // You can use the optional ShowCacheNodeInfo flag to retrieve detailed information // about the cache nodes associated with the clusters. These details include the // DNS address and port for the cache node endpoint. If the cluster is in the // creating state, only cluster-level information is displayed until all of the // nodes are successfully provisioned. If the cluster is in the deleting state, // only cluster-level information is displayed. If cache nodes are currently being // added to the cluster, node endpoint information and creation time for the // additional nodes are not displayed until they are completely provisioned. When // the cluster state is available, the cluster is ready for use. If cache nodes are // currently being removed from the cluster, no endpoint information for the // removed nodes is displayed. func (c *Client) DescribeCacheClusters(ctx context.Context, params *DescribeCacheClustersInput, optFns ...func(*Options)) (*DescribeCacheClustersOutput, error) { if params == nil { params = &DescribeCacheClustersInput{} } result, metadata, err := c.invokeOperation(ctx, "DescribeCacheClusters", params, optFns, c.addOperationDescribeCacheClustersMiddlewares) if err != nil { return nil, err } out := result.(*DescribeCacheClustersOutput) out.ResultMetadata = metadata return out, nil } // Represents the input of a DescribeCacheClusters operation. type DescribeCacheClustersInput struct { // The user-supplied cluster identifier. If this parameter is specified, only // information about that specific cluster is returned. This parameter isn't case // sensitive. CacheClusterId *string // An optional marker returned from a prior request. Use this marker for // pagination of results from this operation. If this parameter is specified, the // response includes only records beyond the marker, up to the value specified by // MaxRecords . Marker *string // The maximum number of records to include in the response. If more records exist // than the specified MaxRecords value, a marker is included in the response so // that the remaining results can be retrieved. Default: 100 Constraints: minimum // 20; maximum 100. MaxRecords *int32 // An optional flag that can be included in the DescribeCacheCluster request to // show only nodes (API/CLI: clusters) that are not members of a replication group. // In practice, this mean Memcached and single node Redis clusters. ShowCacheClustersNotInReplicationGroups *bool // An optional flag that can be included in the DescribeCacheCluster request to // retrieve information about the individual cache nodes. ShowCacheNodeInfo *bool noSmithyDocumentSerde } // Represents the output of a DescribeCacheClusters operation. type DescribeCacheClustersOutput struct { // A list of clusters. Each item in the list contains detailed information about // one cluster. CacheClusters []types.CacheCluster // Provides an identifier to allow retrieval of paginated results. Marker *string // Metadata pertaining to the operation's result. ResultMetadata middleware.Metadata noSmithyDocumentSerde } func (c *Client) addOperationDescribeCacheClustersMiddlewares(stack *middleware.Stack, options Options) (err error) { err = stack.Serialize.Add(&awsAwsquery_serializeOpDescribeCacheClusters{}, middleware.After) if err != nil { return err } err = stack.Deserialize.Add(&awsAwsquery_deserializeOpDescribeCacheClusters{}, 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, options); 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_opDescribeCacheClusters(options.Region), middleware.Before); err != nil { return err } if err = awsmiddleware.AddRecursionDetection(stack); 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 } // DescribeCacheClustersAPIClient is a client that implements the // DescribeCacheClusters operation. type DescribeCacheClustersAPIClient interface { DescribeCacheClusters(context.Context, *DescribeCacheClustersInput, ...func(*Options)) (*DescribeCacheClustersOutput, error) } var _ DescribeCacheClustersAPIClient = (*Client)(nil) // DescribeCacheClustersPaginatorOptions is the paginator options for // DescribeCacheClusters type DescribeCacheClustersPaginatorOptions struct { // The maximum number of records to include in the response. If more records exist // than the specified MaxRecords value, a marker is included in the response so // that the remaining results can be retrieved. Default: 100 Constraints: minimum // 20; maximum 100. 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 } // DescribeCacheClustersPaginator is a paginator for DescribeCacheClusters type DescribeCacheClustersPaginator struct { options DescribeCacheClustersPaginatorOptions client DescribeCacheClustersAPIClient params *DescribeCacheClustersInput nextToken *string firstPage bool } // NewDescribeCacheClustersPaginator returns a new DescribeCacheClustersPaginator func NewDescribeCacheClustersPaginator(client DescribeCacheClustersAPIClient, params *DescribeCacheClustersInput, optFns ...func(*DescribeCacheClustersPaginatorOptions)) *DescribeCacheClustersPaginator { if params == nil { params = &DescribeCacheClustersInput{} } options := DescribeCacheClustersPaginatorOptions{} if params.MaxRecords != nil { options.Limit = *params.MaxRecords } for _, fn := range optFns { fn(&options) } return &DescribeCacheClustersPaginator{ options: options, client: client, params: params, firstPage: true, nextToken: params.Marker, } } // HasMorePages returns a boolean indicating whether more pages are available func (p *DescribeCacheClustersPaginator) HasMorePages() bool { return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0) } // NextPage retrieves the next DescribeCacheClusters page. func (p *DescribeCacheClustersPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeCacheClustersOutput, error) { if !p.HasMorePages() { return nil, fmt.Errorf("no more pages available") } params := *p.params params.Marker = p.nextToken var limit *int32 if p.options.Limit > 0 { limit = &p.options.Limit } params.MaxRecords = limit result, err := p.client.DescribeCacheClusters(ctx, ¶ms, optFns...) if err != nil { return nil, err } p.firstPage = false prevToken := p.nextToken p.nextToken = result.Marker if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken { p.nextToken = nil } return result, nil } // CacheClusterAvailableWaiterOptions are waiter options for // CacheClusterAvailableWaiter type CacheClusterAvailableWaiterOptions 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, // CacheClusterAvailableWaiter 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, CacheClusterAvailableWaiter 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, *DescribeCacheClustersInput, *DescribeCacheClustersOutput, error) (bool, error) } // CacheClusterAvailableWaiter defines the waiters for CacheClusterAvailable type CacheClusterAvailableWaiter struct { client DescribeCacheClustersAPIClient options CacheClusterAvailableWaiterOptions } // NewCacheClusterAvailableWaiter constructs a CacheClusterAvailableWaiter. func NewCacheClusterAvailableWaiter(client DescribeCacheClustersAPIClient, optFns ...func(*CacheClusterAvailableWaiterOptions)) *CacheClusterAvailableWaiter { options := CacheClusterAvailableWaiterOptions{} options.MinDelay = 15 * time.Second options.MaxDelay = 120 * time.Second options.Retryable = cacheClusterAvailableStateRetryable for _, fn := range optFns { fn(&options) } return &CacheClusterAvailableWaiter{ client: client, options: options, } } // Wait calls the waiter function for CacheClusterAvailable waiter. The maxWaitDur // is the maximum wait duration the waiter will wait. The maxWaitDur is required // and must be greater than zero. func (w *CacheClusterAvailableWaiter) Wait(ctx context.Context, params *DescribeCacheClustersInput, maxWaitDur time.Duration, optFns ...func(*CacheClusterAvailableWaiterOptions)) error { _, err := w.WaitForOutput(ctx, params, maxWaitDur, optFns...) return err } // WaitForOutput calls the waiter function for CacheClusterAvailable 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 *CacheClusterAvailableWaiter) WaitForOutput(ctx context.Context, params *DescribeCacheClustersInput, maxWaitDur time.Duration, optFns ...func(*CacheClusterAvailableWaiterOptions)) (*DescribeCacheClustersOutput, 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.DescribeCacheClusters(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 CacheClusterAvailable waiter") } func cacheClusterAvailableStateRetryable(ctx context.Context, input *DescribeCacheClustersInput, output *DescribeCacheClustersOutput, err error) (bool, error) { if err == nil { pathValue, err := jmespath.Search("CacheClusters[].CacheClusterStatus", output) if err != nil { return false, fmt.Errorf("error evaluating waiter state: %w", err) } expectedValue := "available" 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("CacheClusters[].CacheClusterStatus", output) if err != nil { return false, fmt.Errorf("error evaluating waiter state: %w", err) } expectedValue := "deleted" 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("CacheClusters[].CacheClusterStatus", output) if err != nil { return false, fmt.Errorf("error evaluating waiter state: %w", err) } expectedValue := "deleting" 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("CacheClusters[].CacheClusterStatus", output) if err != nil { return false, fmt.Errorf("error evaluating waiter state: %w", err) } expectedValue := "incompatible-network" 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("CacheClusters[].CacheClusterStatus", output) if err != nil { return false, fmt.Errorf("error evaluating waiter state: %w", err) } expectedValue := "restore-failed" 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") } } } return true, nil } // CacheClusterDeletedWaiterOptions are waiter options for // CacheClusterDeletedWaiter type CacheClusterDeletedWaiterOptions 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, // CacheClusterDeletedWaiter 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, CacheClusterDeletedWaiter 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, *DescribeCacheClustersInput, *DescribeCacheClustersOutput, error) (bool, error) } // CacheClusterDeletedWaiter defines the waiters for CacheClusterDeleted type CacheClusterDeletedWaiter struct { client DescribeCacheClustersAPIClient options CacheClusterDeletedWaiterOptions } // NewCacheClusterDeletedWaiter constructs a CacheClusterDeletedWaiter. func NewCacheClusterDeletedWaiter(client DescribeCacheClustersAPIClient, optFns ...func(*CacheClusterDeletedWaiterOptions)) *CacheClusterDeletedWaiter { options := CacheClusterDeletedWaiterOptions{} options.MinDelay = 15 * time.Second options.MaxDelay = 120 * time.Second options.Retryable = cacheClusterDeletedStateRetryable for _, fn := range optFns { fn(&options) } return &CacheClusterDeletedWaiter{ client: client, options: options, } } // Wait calls the waiter function for CacheClusterDeleted waiter. The maxWaitDur // is the maximum wait duration the waiter will wait. The maxWaitDur is required // and must be greater than zero. func (w *CacheClusterDeletedWaiter) Wait(ctx context.Context, params *DescribeCacheClustersInput, maxWaitDur time.Duration, optFns ...func(*CacheClusterDeletedWaiterOptions)) error { _, err := w.WaitForOutput(ctx, params, maxWaitDur, optFns...) return err } // WaitForOutput calls the waiter function for CacheClusterDeleted 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 *CacheClusterDeletedWaiter) WaitForOutput(ctx context.Context, params *DescribeCacheClustersInput, maxWaitDur time.Duration, optFns ...func(*CacheClusterDeletedWaiterOptions)) (*DescribeCacheClustersOutput, 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.DescribeCacheClusters(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 CacheClusterDeleted waiter") } func cacheClusterDeletedStateRetryable(ctx context.Context, input *DescribeCacheClustersInput, output *DescribeCacheClustersOutput, err error) (bool, error) { if err == nil { pathValue, err := jmespath.Search("CacheClusters[].CacheClusterStatus", output) if err != nil { return false, fmt.Errorf("error evaluating waiter state: %w", err) } expectedValue := "deleted" 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 { 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 "CacheClusterNotFound" == apiErr.ErrorCode() { return false, nil } } if err == nil { pathValue, err := jmespath.Search("CacheClusters[].CacheClusterStatus", output) if err != nil { return false, fmt.Errorf("error evaluating waiter state: %w", err) } expectedValue := "available" 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("CacheClusters[].CacheClusterStatus", output) if err != nil { return false, fmt.Errorf("error evaluating waiter state: %w", err) } expectedValue := "creating" 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("CacheClusters[].CacheClusterStatus", output) if err != nil { return false, fmt.Errorf("error evaluating waiter state: %w", err) } expectedValue := "incompatible-network" 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("CacheClusters[].CacheClusterStatus", output) if err != nil { return false, fmt.Errorf("error evaluating waiter state: %w", err) } expectedValue := "modifying" 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("CacheClusters[].CacheClusterStatus", output) if err != nil { return false, fmt.Errorf("error evaluating waiter state: %w", err) } expectedValue := "restore-failed" 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("CacheClusters[].CacheClusterStatus", output) if err != nil { return false, fmt.Errorf("error evaluating waiter state: %w", err) } expectedValue := "snapshotting" 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") } } } return true, nil } func newServiceMetadataMiddleware_opDescribeCacheClusters(region string) *awsmiddleware.RegisterServiceMetadata { return &awsmiddleware.RegisterServiceMetadata{ Region: region, ServiceID: ServiceID, SigningName: "elasticache", OperationName: "DescribeCacheClusters", } }