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api_op_DescribeReplicationInstances.go
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api_op_DescribeReplicationInstances.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package databasemigrationservice
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/databasemigrationservice/types"
"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 replication instances for your account in the current
// region.
func (c *Client) DescribeReplicationInstances(ctx context.Context, params *DescribeReplicationInstancesInput, optFns ...func(*Options)) (*DescribeReplicationInstancesOutput, error) {
if params == nil {
params = &DescribeReplicationInstancesInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeReplicationInstances", params, optFns, c.addOperationDescribeReplicationInstancesMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeReplicationInstancesOutput)
out.ResultMetadata = metadata
return out, nil
}
type DescribeReplicationInstancesInput struct {
// Filters applied to replication instances. Valid filter names:
// replication-instance-arn | replication-instance-id | replication-instance-class
// | engine-version
Filters []types.Filter
// An optional pagination token provided by a previous request. 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 pagination token called a marker is
// included in the response so that the remaining results can be retrieved.
// Default: 100 Constraints: Minimum 20, maximum 100.
MaxRecords *int32
noSmithyDocumentSerde
}
type DescribeReplicationInstancesOutput struct {
// An optional pagination token provided by a previous request. If this parameter
// is specified, the response includes only records beyond the marker, up to the
// value specified by MaxRecords.
Marker *string
// The replication instances described.
ReplicationInstances []types.ReplicationInstance
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribeReplicationInstancesMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsAwsjson11_serializeOpDescribeReplicationInstances{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpDescribeReplicationInstances{}, 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 = addOpDescribeReplicationInstancesValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeReplicationInstances(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
}
// DescribeReplicationInstancesAPIClient is a client that implements the
// DescribeReplicationInstances operation.
type DescribeReplicationInstancesAPIClient interface {
DescribeReplicationInstances(context.Context, *DescribeReplicationInstancesInput, ...func(*Options)) (*DescribeReplicationInstancesOutput, error)
}
var _ DescribeReplicationInstancesAPIClient = (*Client)(nil)
// DescribeReplicationInstancesPaginatorOptions is the paginator options for
// DescribeReplicationInstances
type DescribeReplicationInstancesPaginatorOptions struct {
// The maximum number of records to include in the response. If more records exist
// than the specified MaxRecords value, a pagination token called 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
}
// DescribeReplicationInstancesPaginator is a paginator for
// DescribeReplicationInstances
type DescribeReplicationInstancesPaginator struct {
options DescribeReplicationInstancesPaginatorOptions
client DescribeReplicationInstancesAPIClient
params *DescribeReplicationInstancesInput
nextToken *string
firstPage bool
}
// NewDescribeReplicationInstancesPaginator returns a new
// DescribeReplicationInstancesPaginator
func NewDescribeReplicationInstancesPaginator(client DescribeReplicationInstancesAPIClient, params *DescribeReplicationInstancesInput, optFns ...func(*DescribeReplicationInstancesPaginatorOptions)) *DescribeReplicationInstancesPaginator {
if params == nil {
params = &DescribeReplicationInstancesInput{}
}
options := DescribeReplicationInstancesPaginatorOptions{}
if params.MaxRecords != nil {
options.Limit = *params.MaxRecords
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeReplicationInstancesPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.Marker,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeReplicationInstancesPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribeReplicationInstances page.
func (p *DescribeReplicationInstancesPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeReplicationInstancesOutput, 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.DescribeReplicationInstances(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
}
// ReplicationInstanceAvailableWaiterOptions are waiter options for
// ReplicationInstanceAvailableWaiter
type ReplicationInstanceAvailableWaiterOptions 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,
// ReplicationInstanceAvailableWaiter will use default minimum delay of 60 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, ReplicationInstanceAvailableWaiter 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, *DescribeReplicationInstancesInput, *DescribeReplicationInstancesOutput, error) (bool, error)
}
// ReplicationInstanceAvailableWaiter defines the waiters for
// ReplicationInstanceAvailable
type ReplicationInstanceAvailableWaiter struct {
client DescribeReplicationInstancesAPIClient
options ReplicationInstanceAvailableWaiterOptions
}
// NewReplicationInstanceAvailableWaiter constructs a
// ReplicationInstanceAvailableWaiter.
func NewReplicationInstanceAvailableWaiter(client DescribeReplicationInstancesAPIClient, optFns ...func(*ReplicationInstanceAvailableWaiterOptions)) *ReplicationInstanceAvailableWaiter {
options := ReplicationInstanceAvailableWaiterOptions{}
options.MinDelay = 60 * time.Second
options.MaxDelay = 120 * time.Second
options.Retryable = replicationInstanceAvailableStateRetryable
for _, fn := range optFns {
fn(&options)
}
return &ReplicationInstanceAvailableWaiter{
client: client,
options: options,
}
}
// Wait calls the waiter function for ReplicationInstanceAvailable waiter. The
// maxWaitDur is the maximum wait duration the waiter will wait. The maxWaitDur is
// required and must be greater than zero.
func (w *ReplicationInstanceAvailableWaiter) Wait(ctx context.Context, params *DescribeReplicationInstancesInput, maxWaitDur time.Duration, optFns ...func(*ReplicationInstanceAvailableWaiterOptions)) error {
_, err := w.WaitForOutput(ctx, params, maxWaitDur, optFns...)
return err
}
// WaitForOutput calls the waiter function for ReplicationInstanceAvailable 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 *ReplicationInstanceAvailableWaiter) WaitForOutput(ctx context.Context, params *DescribeReplicationInstancesInput, maxWaitDur time.Duration, optFns ...func(*ReplicationInstanceAvailableWaiterOptions)) (*DescribeReplicationInstancesOutput, 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.DescribeReplicationInstances(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 ReplicationInstanceAvailable waiter")
}
func replicationInstanceAvailableStateRetryable(ctx context.Context, input *DescribeReplicationInstancesInput, output *DescribeReplicationInstancesOutput, err error) (bool, error) {
if err == nil {
pathValue, err := jmespath.Search("ReplicationInstances[].ReplicationInstanceStatus", 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("ReplicationInstances[].ReplicationInstanceStatus", 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("ReplicationInstances[].ReplicationInstanceStatus", output)
if err != nil {
return false, fmt.Errorf("error evaluating waiter state: %w", err)
}
expectedValue := "incompatible-credentials"
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("ReplicationInstances[].ReplicationInstanceStatus", 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("ReplicationInstances[].ReplicationInstanceStatus", output)
if err != nil {
return false, fmt.Errorf("error evaluating waiter state: %w", err)
}
expectedValue := "inaccessible-encryption-credentials"
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
}
// ReplicationInstanceDeletedWaiterOptions are waiter options for
// ReplicationInstanceDeletedWaiter
type ReplicationInstanceDeletedWaiterOptions 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,
// ReplicationInstanceDeletedWaiter 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, ReplicationInstanceDeletedWaiter 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, *DescribeReplicationInstancesInput, *DescribeReplicationInstancesOutput, error) (bool, error)
}
// ReplicationInstanceDeletedWaiter defines the waiters for
// ReplicationInstanceDeleted
type ReplicationInstanceDeletedWaiter struct {
client DescribeReplicationInstancesAPIClient
options ReplicationInstanceDeletedWaiterOptions
}
// NewReplicationInstanceDeletedWaiter constructs a
// ReplicationInstanceDeletedWaiter.
func NewReplicationInstanceDeletedWaiter(client DescribeReplicationInstancesAPIClient, optFns ...func(*ReplicationInstanceDeletedWaiterOptions)) *ReplicationInstanceDeletedWaiter {
options := ReplicationInstanceDeletedWaiterOptions{}
options.MinDelay = 15 * time.Second
options.MaxDelay = 120 * time.Second
options.Retryable = replicationInstanceDeletedStateRetryable
for _, fn := range optFns {
fn(&options)
}
return &ReplicationInstanceDeletedWaiter{
client: client,
options: options,
}
}
// Wait calls the waiter function for ReplicationInstanceDeleted waiter. The
// maxWaitDur is the maximum wait duration the waiter will wait. The maxWaitDur is
// required and must be greater than zero.
func (w *ReplicationInstanceDeletedWaiter) Wait(ctx context.Context, params *DescribeReplicationInstancesInput, maxWaitDur time.Duration, optFns ...func(*ReplicationInstanceDeletedWaiterOptions)) error {
_, err := w.WaitForOutput(ctx, params, maxWaitDur, optFns...)
return err
}
// WaitForOutput calls the waiter function for ReplicationInstanceDeleted 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 *ReplicationInstanceDeletedWaiter) WaitForOutput(ctx context.Context, params *DescribeReplicationInstancesInput, maxWaitDur time.Duration, optFns ...func(*ReplicationInstanceDeletedWaiterOptions)) (*DescribeReplicationInstancesOutput, 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.DescribeReplicationInstances(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 ReplicationInstanceDeleted waiter")
}
func replicationInstanceDeletedStateRetryable(ctx context.Context, input *DescribeReplicationInstancesInput, output *DescribeReplicationInstancesOutput, err error) (bool, error) {
if err == nil {
pathValue, err := jmespath.Search("ReplicationInstances[].ReplicationInstanceStatus", 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 {
var errorType *types.ResourceNotFoundFault
if errors.As(err, &errorType) {
return false, nil
}
}
return true, nil
}
func newServiceMetadataMiddleware_opDescribeReplicationInstances(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "dms",
OperationName: "DescribeReplicationInstances",
}
}