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// Code generated by smithy-go-codegen DO NOT EDIT.
package wafv2
import (
"context"
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/wafv2/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Returns the web ACL capacity unit (WCU) requirements for a specified scope and
// set of rules. You can use this to check the capacity requirements for the rules
// you want to use in a RuleGroup or WebACL. WAF uses WCUs to calculate and control
// the operating resources that are used to run your rules, rule groups, and web
// ACLs. WAF calculates capacity differently for each rule type, to reflect the
// relative cost of each rule. Simple rules that cost little to run use fewer WCUs
// than more complex rules that use more processing power. Rule group capacity is
// fixed at creation, which helps users plan their web ACL WCU usage when they use
// a rule group. The WCU limit for web ACLs is 1,500.
func (c *Client) CheckCapacity(ctx context.Context, params *CheckCapacityInput, optFns ...func(*Options)) (*CheckCapacityOutput, error) {
if params == nil {
params = &CheckCapacityInput{}
}
result, metadata, err := c.invokeOperation(ctx, "CheckCapacity", params, optFns, c.addOperationCheckCapacityMiddlewares)
if err != nil {
return nil, err
}
out := result.(*CheckCapacityOutput)
out.ResultMetadata = metadata
return out, nil
}
type CheckCapacityInput struct {
// An array of Rule that you're configuring to use in a rule group or web ACL.
//
// This member is required.
Rules []types.Rule
// Specifies whether this is for an Amazon CloudFront distribution or for a
// regional application. A regional application can be an Application Load Balancer
// (ALB), an Amazon API Gateway REST API, an AppSync GraphQL API, or an Amazon
// Cognito user pool. To work with CloudFront, you must also specify the Region US
// East (N. Virginia) as follows:
//
// * CLI - Specify the Region when you use the
// CloudFront scope: --scope=CLOUDFRONT --region=us-east-1.
//
// * API and SDKs - For
// all calls, use the Region endpoint us-east-1.
//
// This member is required.
Scope types.Scope
noSmithyDocumentSerde
}
type CheckCapacityOutput struct {
// The capacity required by the rules and scope.
Capacity int64
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationCheckCapacityMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsAwsjson11_serializeOpCheckCapacity{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpCheckCapacity{}, 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 = addOpCheckCapacityValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opCheckCapacity(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
}
func newServiceMetadataMiddleware_opCheckCapacity(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "wafv2",
OperationName: "CheckCapacity",
}
}
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