/
api_op_DescribeNodeConfigurationOptions.go
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/
api_op_DescribeNodeConfigurationOptions.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package redshift
import (
"context"
"errors"
"fmt"
"github.com/aws/aws-sdk-go-v2/aws"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
internalauth "github.com/aws/aws-sdk-go-v2/internal/auth"
"github.com/aws/aws-sdk-go-v2/service/redshift/types"
smithyendpoints "github.com/aws/smithy-go/endpoints"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Returns properties of possible node configurations such as node type, number of
// nodes, and disk usage for the specified action type.
func (c *Client) DescribeNodeConfigurationOptions(ctx context.Context, params *DescribeNodeConfigurationOptionsInput, optFns ...func(*Options)) (*DescribeNodeConfigurationOptionsOutput, error) {
if params == nil {
params = &DescribeNodeConfigurationOptionsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeNodeConfigurationOptions", params, optFns, c.addOperationDescribeNodeConfigurationOptionsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeNodeConfigurationOptionsOutput)
out.ResultMetadata = metadata
return out, nil
}
type DescribeNodeConfigurationOptionsInput struct {
// The action type to evaluate for possible node configurations. Specify
// "restore-cluster" to get configuration combinations based on an existing
// snapshot. Specify "recommend-node-config" to get configuration recommendations
// based on an existing cluster or snapshot. Specify "resize-cluster" to get
// configuration combinations for elastic resize based on an existing cluster.
//
// This member is required.
ActionType types.ActionType
// The identifier of the cluster to evaluate for possible node configurations.
ClusterIdentifier *string
// A set of name, operator, and value items to filter the results.
Filters []types.NodeConfigurationOptionsFilter
// An optional parameter that specifies the starting point to return a set of
// response records. When the results of a DescribeNodeConfigurationOptions
// request exceed the value specified in MaxRecords , Amazon Web Services returns a
// value in the Marker field of the response. You can retrieve the next set of
// response records by providing the returned marker value in the Marker parameter
// and retrying the request.
Marker *string
// The maximum number of response records to return in each call. If the number of
// remaining response records exceeds the specified MaxRecords value, a value is
// returned in a marker field of the response. You can retrieve the next set of
// records by retrying the command with the returned marker value. Default: 500
// Constraints: minimum 100, maximum 500.
MaxRecords *int32
// The Amazon Web Services account used to create or copy the snapshot. Required
// if you are restoring a snapshot you do not own, optional if you own the
// snapshot.
OwnerAccount *string
// The Amazon Resource Name (ARN) of the snapshot associated with the message to
// describe node configuration.
SnapshotArn *string
// The identifier of the snapshot to evaluate for possible node configurations.
SnapshotIdentifier *string
noSmithyDocumentSerde
}
type DescribeNodeConfigurationOptionsOutput struct {
// A value that indicates the starting point for the next set of response records
// in a subsequent request. If a value is returned in a response, you can retrieve
// the next set of records by providing this returned marker value in the Marker
// parameter and retrying the command. If the Marker field is empty, all response
// records have been retrieved for the request.
Marker *string
// A list of valid node configurations.
NodeConfigurationOptionList []types.NodeConfigurationOption
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribeNodeConfigurationOptionsMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsAwsquery_serializeOpDescribeNodeConfigurationOptions{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsquery_deserializeOpDescribeNodeConfigurationOptions{}, middleware.After)
if err != nil {
return err
}
if err = addlegacyEndpointContextSetter(stack, options); 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 = addDescribeNodeConfigurationOptionsResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addOpDescribeNodeConfigurationOptionsValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeNodeConfigurationOptions(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
}
if err = addendpointDisableHTTPSMiddleware(stack, options); err != nil {
return err
}
return nil
}
// DescribeNodeConfigurationOptionsAPIClient is a client that implements the
// DescribeNodeConfigurationOptions operation.
type DescribeNodeConfigurationOptionsAPIClient interface {
DescribeNodeConfigurationOptions(context.Context, *DescribeNodeConfigurationOptionsInput, ...func(*Options)) (*DescribeNodeConfigurationOptionsOutput, error)
}
var _ DescribeNodeConfigurationOptionsAPIClient = (*Client)(nil)
// DescribeNodeConfigurationOptionsPaginatorOptions is the paginator options for
// DescribeNodeConfigurationOptions
type DescribeNodeConfigurationOptionsPaginatorOptions struct {
// The maximum number of response records to return in each call. If the number of
// remaining response records exceeds the specified MaxRecords value, a value is
// returned in a marker field of the response. You can retrieve the next set of
// records by retrying the command with the returned marker value. Default: 500
// Constraints: minimum 100, maximum 500.
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
}
// DescribeNodeConfigurationOptionsPaginator is a paginator for
// DescribeNodeConfigurationOptions
type DescribeNodeConfigurationOptionsPaginator struct {
options DescribeNodeConfigurationOptionsPaginatorOptions
client DescribeNodeConfigurationOptionsAPIClient
params *DescribeNodeConfigurationOptionsInput
nextToken *string
firstPage bool
}
// NewDescribeNodeConfigurationOptionsPaginator returns a new
// DescribeNodeConfigurationOptionsPaginator
func NewDescribeNodeConfigurationOptionsPaginator(client DescribeNodeConfigurationOptionsAPIClient, params *DescribeNodeConfigurationOptionsInput, optFns ...func(*DescribeNodeConfigurationOptionsPaginatorOptions)) *DescribeNodeConfigurationOptionsPaginator {
if params == nil {
params = &DescribeNodeConfigurationOptionsInput{}
}
options := DescribeNodeConfigurationOptionsPaginatorOptions{}
if params.MaxRecords != nil {
options.Limit = *params.MaxRecords
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeNodeConfigurationOptionsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.Marker,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeNodeConfigurationOptionsPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribeNodeConfigurationOptions page.
func (p *DescribeNodeConfigurationOptionsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeNodeConfigurationOptionsOutput, 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.DescribeNodeConfigurationOptions(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
}
func newServiceMetadataMiddleware_opDescribeNodeConfigurationOptions(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "redshift",
OperationName: "DescribeNodeConfigurationOptions",
}
}
type opDescribeNodeConfigurationOptionsResolveEndpointMiddleware struct {
EndpointResolver EndpointResolverV2
BuiltInResolver builtInParameterResolver
}
func (*opDescribeNodeConfigurationOptionsResolveEndpointMiddleware) ID() string {
return "ResolveEndpointV2"
}
func (m *opDescribeNodeConfigurationOptionsResolveEndpointMiddleware) HandleSerialize(ctx context.Context, in middleware.SerializeInput, next middleware.SerializeHandler) (
out middleware.SerializeOutput, metadata middleware.Metadata, err error,
) {
if awsmiddleware.GetRequiresLegacyEndpoints(ctx) {
return next.HandleSerialize(ctx, in)
}
req, ok := in.Request.(*smithyhttp.Request)
if !ok {
return out, metadata, fmt.Errorf("unknown transport type %T", in.Request)
}
if m.EndpointResolver == nil {
return out, metadata, fmt.Errorf("expected endpoint resolver to not be nil")
}
params := EndpointParameters{}
m.BuiltInResolver.ResolveBuiltIns(¶ms)
var resolvedEndpoint smithyendpoints.Endpoint
resolvedEndpoint, err = m.EndpointResolver.ResolveEndpoint(ctx, params)
if err != nil {
return out, metadata, fmt.Errorf("failed to resolve service endpoint, %w", err)
}
req.URL = &resolvedEndpoint.URI
for k := range resolvedEndpoint.Headers {
req.Header.Set(
k,
resolvedEndpoint.Headers.Get(k),
)
}
authSchemes, err := internalauth.GetAuthenticationSchemes(&resolvedEndpoint.Properties)
if err != nil {
var nfe *internalauth.NoAuthenticationSchemesFoundError
if errors.As(err, &nfe) {
// if no auth scheme is found, default to sigv4
signingName := "redshift"
signingRegion := m.BuiltInResolver.(*builtInResolver).Region
ctx = awsmiddleware.SetSigningName(ctx, signingName)
ctx = awsmiddleware.SetSigningRegion(ctx, signingRegion)
}
var ue *internalauth.UnSupportedAuthenticationSchemeSpecifiedError
if errors.As(err, &ue) {
return out, metadata, fmt.Errorf(
"This operation requests signer version(s) %v but the client only supports %v",
ue.UnsupportedSchemes,
internalauth.SupportedSchemes,
)
}
}
for _, authScheme := range authSchemes {
switch authScheme.(type) {
case *internalauth.AuthenticationSchemeV4:
v4Scheme, _ := authScheme.(*internalauth.AuthenticationSchemeV4)
var signingName, signingRegion string
if v4Scheme.SigningName == nil {
signingName = "redshift"
} else {
signingName = *v4Scheme.SigningName
}
if v4Scheme.SigningRegion == nil {
signingRegion = m.BuiltInResolver.(*builtInResolver).Region
} else {
signingRegion = *v4Scheme.SigningRegion
}
if v4Scheme.DisableDoubleEncoding != nil {
// The signer sets an equivalent value at client initialization time.
// Setting this context value will cause the signer to extract it
// and override the value set at client initialization time.
ctx = internalauth.SetDisableDoubleEncoding(ctx, *v4Scheme.DisableDoubleEncoding)
}
ctx = awsmiddleware.SetSigningName(ctx, signingName)
ctx = awsmiddleware.SetSigningRegion(ctx, signingRegion)
break
case *internalauth.AuthenticationSchemeV4A:
v4aScheme, _ := authScheme.(*internalauth.AuthenticationSchemeV4A)
if v4aScheme.SigningName == nil {
v4aScheme.SigningName = aws.String("redshift")
}
if v4aScheme.DisableDoubleEncoding != nil {
// The signer sets an equivalent value at client initialization time.
// Setting this context value will cause the signer to extract it
// and override the value set at client initialization time.
ctx = internalauth.SetDisableDoubleEncoding(ctx, *v4aScheme.DisableDoubleEncoding)
}
ctx = awsmiddleware.SetSigningName(ctx, *v4aScheme.SigningName)
ctx = awsmiddleware.SetSigningRegion(ctx, v4aScheme.SigningRegionSet[0])
break
case *internalauth.AuthenticationSchemeNone:
break
}
}
return next.HandleSerialize(ctx, in)
}
func addDescribeNodeConfigurationOptionsResolveEndpointMiddleware(stack *middleware.Stack, options Options) error {
return stack.Serialize.Insert(&opDescribeNodeConfigurationOptionsResolveEndpointMiddleware{
EndpointResolver: options.EndpointResolverV2,
BuiltInResolver: &builtInResolver{
Region: options.Region,
UseDualStack: options.EndpointOptions.UseDualStackEndpoint,
UseFIPS: options.EndpointOptions.UseFIPSEndpoint,
Endpoint: options.BaseEndpoint,
},
}, "ResolveEndpoint", middleware.After)
}