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api_op_DescribeComputeEnvironments.go
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api_op_DescribeComputeEnvironments.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package batch
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/service/batch/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
)
// Describes one or more of your compute environments. If you're using an
// unmanaged compute environment, you can use the DescribeComputeEnvironment
// operation to determine the ecsClusterArn that you launch your Amazon ECS
// container instances into.
func (c *Client) DescribeComputeEnvironments(ctx context.Context, params *DescribeComputeEnvironmentsInput, optFns ...func(*Options)) (*DescribeComputeEnvironmentsOutput, error) {
if params == nil {
params = &DescribeComputeEnvironmentsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeComputeEnvironments", params, optFns, c.addOperationDescribeComputeEnvironmentsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeComputeEnvironmentsOutput)
out.ResultMetadata = metadata
return out, nil
}
// Contains the parameters for DescribeComputeEnvironments .
type DescribeComputeEnvironmentsInput struct {
// A list of up to 100 compute environment names or full Amazon Resource Name
// (ARN) entries.
ComputeEnvironments []string
// The maximum number of cluster results returned by DescribeComputeEnvironments
// in paginated output. When this parameter is used, DescribeComputeEnvironments
// only returns maxResults results in a single page along with a nextToken
// response element. The remaining results of the initial request can be seen by
// sending another DescribeComputeEnvironments request with the returned nextToken
// value. This value can be between 1 and 100. If this parameter isn't used, then
// DescribeComputeEnvironments returns up to 100 results and a nextToken value if
// applicable.
MaxResults *int32
// The nextToken value returned from a previous paginated
// DescribeComputeEnvironments request where maxResults 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. This value is null when
// there are no more results to return. Treat this token as an opaque identifier
// that's only used to retrieve the next items in a list and not for other
// programmatic purposes.
NextToken *string
noSmithyDocumentSerde
}
type DescribeComputeEnvironmentsOutput struct {
// The list of compute environments.
ComputeEnvironments []types.ComputeEnvironmentDetail
// The nextToken value to include in a future DescribeComputeEnvironments request.
// When the results of a DescribeComputeEnvironments request exceed maxResults ,
// this value can be used 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) addOperationDescribeComputeEnvironmentsMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsRestjson1_serializeOpDescribeComputeEnvironments{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsRestjson1_deserializeOpDescribeComputeEnvironments{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "DescribeComputeEnvironments"); 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_opDescribeComputeEnvironments(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
}
// DescribeComputeEnvironmentsAPIClient is a client that implements the
// DescribeComputeEnvironments operation.
type DescribeComputeEnvironmentsAPIClient interface {
DescribeComputeEnvironments(context.Context, *DescribeComputeEnvironmentsInput, ...func(*Options)) (*DescribeComputeEnvironmentsOutput, error)
}
var _ DescribeComputeEnvironmentsAPIClient = (*Client)(nil)
// DescribeComputeEnvironmentsPaginatorOptions is the paginator options for
// DescribeComputeEnvironments
type DescribeComputeEnvironmentsPaginatorOptions struct {
// The maximum number of cluster results returned by DescribeComputeEnvironments
// in paginated output. When this parameter is used, DescribeComputeEnvironments
// only returns maxResults results in a single page along with a nextToken
// response element. The remaining results of the initial request can be seen by
// sending another DescribeComputeEnvironments request with the returned nextToken
// value. This value can be between 1 and 100. If this parameter isn't used, then
// DescribeComputeEnvironments 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
}
// DescribeComputeEnvironmentsPaginator is a paginator for
// DescribeComputeEnvironments
type DescribeComputeEnvironmentsPaginator struct {
options DescribeComputeEnvironmentsPaginatorOptions
client DescribeComputeEnvironmentsAPIClient
params *DescribeComputeEnvironmentsInput
nextToken *string
firstPage bool
}
// NewDescribeComputeEnvironmentsPaginator returns a new
// DescribeComputeEnvironmentsPaginator
func NewDescribeComputeEnvironmentsPaginator(client DescribeComputeEnvironmentsAPIClient, params *DescribeComputeEnvironmentsInput, optFns ...func(*DescribeComputeEnvironmentsPaginatorOptions)) *DescribeComputeEnvironmentsPaginator {
if params == nil {
params = &DescribeComputeEnvironmentsInput{}
}
options := DescribeComputeEnvironmentsPaginatorOptions{}
if params.MaxResults != nil {
options.Limit = *params.MaxResults
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeComputeEnvironmentsPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeComputeEnvironmentsPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribeComputeEnvironments page.
func (p *DescribeComputeEnvironmentsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeComputeEnvironmentsOutput, 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.MaxResults = limit
result, err := p.client.DescribeComputeEnvironments(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_opDescribeComputeEnvironments(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "DescribeComputeEnvironments",
}
}