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api_op_ListVirtualNodes.go
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api_op_ListVirtualNodes.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package appmesh
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/service/appmesh/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Returns a list of existing virtual nodes.
func (c *Client) ListVirtualNodes(ctx context.Context, params *ListVirtualNodesInput, optFns ...func(*Options)) (*ListVirtualNodesOutput, error) {
if params == nil {
params = &ListVirtualNodesInput{}
}
result, metadata, err := c.invokeOperation(ctx, "ListVirtualNodes", params, optFns, c.addOperationListVirtualNodesMiddlewares)
if err != nil {
return nil, err
}
out := result.(*ListVirtualNodesOutput)
out.ResultMetadata = metadata
return out, nil
}
type ListVirtualNodesInput struct {
// The name of the service mesh to list virtual nodes in.
//
// This member is required.
MeshName *string
// The maximum number of results returned by ListVirtualNodes in paginated output.
// When you use this parameter, ListVirtualNodes returns only limit results in a
// single page along with a nextToken response element. You can see the remaining
// results of the initial request by sending another ListVirtualNodes request with
// the returned nextToken value. This value can be between 1 and 100. If you don't
// use this parameter, ListVirtualNodes returns up to 100 results and a nextToken
// value if applicable.
Limit *int32
// The Amazon Web Services IAM account ID of the service mesh owner. If the
// account ID is not your own, then it's the ID of the account that shared the mesh
// with your account. For more information about mesh sharing, see [Working with shared meshes].
//
// [Working with shared meshes]: https://docs.aws.amazon.com/app-mesh/latest/userguide/sharing.html
MeshOwner *string
// The nextToken value returned from a previous paginated ListVirtualNodes request
// where limit was used and the results exceeded the value of that parameter.
// Pagination continues from the end of the previous results that returned the
// nextToken value.
NextToken *string
noSmithyDocumentSerde
}
type ListVirtualNodesOutput struct {
// The list of existing virtual nodes for the specified service mesh.
//
// This member is required.
VirtualNodes []types.VirtualNodeRef
// The nextToken value to include in a future ListVirtualNodes request. When the
// results of a ListVirtualNodes request exceed limit , you can use this value to
// retrieve the next page of results. This value is null when there are no more
// results to return.
NextToken *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationListVirtualNodesMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsRestjson1_serializeOpListVirtualNodes{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsRestjson1_deserializeOpListVirtualNodes{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "ListVirtualNodes"); 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 = addOpListVirtualNodesValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListVirtualNodes(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
}
// ListVirtualNodesAPIClient is a client that implements the ListVirtualNodes
// operation.
type ListVirtualNodesAPIClient interface {
ListVirtualNodes(context.Context, *ListVirtualNodesInput, ...func(*Options)) (*ListVirtualNodesOutput, error)
}
var _ ListVirtualNodesAPIClient = (*Client)(nil)
// ListVirtualNodesPaginatorOptions is the paginator options for ListVirtualNodes
type ListVirtualNodesPaginatorOptions struct {
// The maximum number of results returned by ListVirtualNodes in paginated output.
// When you use this parameter, ListVirtualNodes returns only limit results in a
// single page along with a nextToken response element. You can see the remaining
// results of the initial request by sending another ListVirtualNodes request with
// the returned nextToken value. This value can be between 1 and 100. If you don't
// use this parameter, ListVirtualNodes returns up to 100 results and a nextToken
// value if applicable.
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
}
// ListVirtualNodesPaginator is a paginator for ListVirtualNodes
type ListVirtualNodesPaginator struct {
options ListVirtualNodesPaginatorOptions
client ListVirtualNodesAPIClient
params *ListVirtualNodesInput
nextToken *string
firstPage bool
}
// NewListVirtualNodesPaginator returns a new ListVirtualNodesPaginator
func NewListVirtualNodesPaginator(client ListVirtualNodesAPIClient, params *ListVirtualNodesInput, optFns ...func(*ListVirtualNodesPaginatorOptions)) *ListVirtualNodesPaginator {
if params == nil {
params = &ListVirtualNodesInput{}
}
options := ListVirtualNodesPaginatorOptions{}
if params.Limit != nil {
options.Limit = *params.Limit
}
for _, fn := range optFns {
fn(&options)
}
return &ListVirtualNodesPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *ListVirtualNodesPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next ListVirtualNodes page.
func (p *ListVirtualNodesPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListVirtualNodesOutput, 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.Limit = limit
result, err := p.client.ListVirtualNodes(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_opListVirtualNodes(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "ListVirtualNodes",
}
}