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api_op_DescribePolicies.go
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api_op_DescribePolicies.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package autoscaling
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/service/autoscaling/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Gets information about the scaling policies in the account and Region.
func (c *Client) DescribePolicies(ctx context.Context, params *DescribePoliciesInput, optFns ...func(*Options)) (*DescribePoliciesOutput, error) {
if params == nil {
params = &DescribePoliciesInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribePolicies", params, optFns, c.addOperationDescribePoliciesMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribePoliciesOutput)
out.ResultMetadata = metadata
return out, nil
}
type DescribePoliciesInput struct {
// The name of the Auto Scaling group.
AutoScalingGroupName *string
// The maximum number of items to be returned with each call. The default value is
// 50 and the maximum value is 100 .
MaxRecords *int32
// The token for the next set of items to return. (You received this token from a
// previous call.)
NextToken *string
// The names of one or more policies. If you omit this property, all policies are
// described. If a group name is provided, the results are limited to that group.
// If you specify an unknown policy name, it is ignored with no error.
//
// Array Members: Maximum number of 50 items.
PolicyNames []string
// One or more policy types. The valid values are SimpleScaling , StepScaling ,
// TargetTrackingScaling , and PredictiveScaling .
PolicyTypes []string
noSmithyDocumentSerde
}
type DescribePoliciesOutput struct {
// A string that indicates that the response contains more items than can be
// returned in a single response. To receive additional items, specify this string
// for the NextToken value when requesting the next set of items. This value is
// null when there are no more items to return.
NextToken *string
// The scaling policies.
ScalingPolicies []types.ScalingPolicy
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribePoliciesMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsAwsquery_serializeOpDescribePolicies{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsquery_deserializeOpDescribePolicies{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "DescribePolicies"); err != nil {
return fmt.Errorf("add protocol finalizers: %v", err)
}
if err = addlegacyEndpointContextSetter(stack, options); err != nil {
return err
}
if err = addSetLoggerMiddleware(stack, options); err != nil {
return err
}
if err = addClientRequestID(stack); err != nil {
return err
}
if err = addComputeContentLength(stack); err != nil {
return err
}
if err = addResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addComputePayloadSHA256(stack); err != nil {
return err
}
if err = addRetry(stack, options); err != nil {
return err
}
if err = addRawResponseToMetadata(stack); err != nil {
return err
}
if err = 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 = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribePolicies(options.Region), middleware.Before); err != nil {
return err
}
if err = 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 = addDisableHTTPSMiddleware(stack, options); err != nil {
return err
}
return nil
}
// DescribePoliciesAPIClient is a client that implements the DescribePolicies
// operation.
type DescribePoliciesAPIClient interface {
DescribePolicies(context.Context, *DescribePoliciesInput, ...func(*Options)) (*DescribePoliciesOutput, error)
}
var _ DescribePoliciesAPIClient = (*Client)(nil)
// DescribePoliciesPaginatorOptions is the paginator options for DescribePolicies
type DescribePoliciesPaginatorOptions struct {
// The maximum number of items to be returned with each call. The default value is
// 50 and the maximum value is 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
}
// DescribePoliciesPaginator is a paginator for DescribePolicies
type DescribePoliciesPaginator struct {
options DescribePoliciesPaginatorOptions
client DescribePoliciesAPIClient
params *DescribePoliciesInput
nextToken *string
firstPage bool
}
// NewDescribePoliciesPaginator returns a new DescribePoliciesPaginator
func NewDescribePoliciesPaginator(client DescribePoliciesAPIClient, params *DescribePoliciesInput, optFns ...func(*DescribePoliciesPaginatorOptions)) *DescribePoliciesPaginator {
if params == nil {
params = &DescribePoliciesInput{}
}
options := DescribePoliciesPaginatorOptions{}
if params.MaxRecords != nil {
options.Limit = *params.MaxRecords
}
for _, fn := range optFns {
fn(&options)
}
return &DescribePoliciesPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribePoliciesPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribePolicies page.
func (p *DescribePoliciesPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribePoliciesOutput, 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.MaxRecords = limit
result, err := p.client.DescribePolicies(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
}
func newServiceMetadataMiddleware_opDescribePolicies(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "DescribePolicies",
}
}