1// Code generated by smithy-go-codegen DO NOT EDIT.
2
3package lambda
4
5import (
6	"context"
7	"fmt"
8	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
9	"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
10	"github.com/aws/aws-sdk-go-v2/service/lambda/types"
11	"github.com/aws/smithy-go/middleware"
12	smithyhttp "github.com/aws/smithy-go/transport/http"
13)
14
15// Retrieves a list of provisioned concurrency configurations for a function.
16func (c *Client) ListProvisionedConcurrencyConfigs(ctx context.Context, params *ListProvisionedConcurrencyConfigsInput, optFns ...func(*Options)) (*ListProvisionedConcurrencyConfigsOutput, error) {
17	if params == nil {
18		params = &ListProvisionedConcurrencyConfigsInput{}
19	}
20
21	result, metadata, err := c.invokeOperation(ctx, "ListProvisionedConcurrencyConfigs", params, optFns, addOperationListProvisionedConcurrencyConfigsMiddlewares)
22	if err != nil {
23		return nil, err
24	}
25
26	out := result.(*ListProvisionedConcurrencyConfigsOutput)
27	out.ResultMetadata = metadata
28	return out, nil
29}
30
31type ListProvisionedConcurrencyConfigsInput struct {
32
33	// The name of the Lambda function. Name formats
34	//
35	// * Function name - my-function.
36	//
37	// *
38	// Function ARN - arn:aws:lambda:us-west-2:123456789012:function:my-function.
39	//
40	// *
41	// Partial ARN - 123456789012:function:my-function.
42	//
43	// The length constraint applies
44	// only to the full ARN. If you specify only the function name, it is limited to 64
45	// characters in length.
46	//
47	// This member is required.
48	FunctionName *string
49
50	// Specify the pagination token that's returned by a previous request to retrieve
51	// the next page of results.
52	Marker *string
53
54	// Specify a number to limit the number of configurations returned.
55	MaxItems *int32
56}
57
58type ListProvisionedConcurrencyConfigsOutput struct {
59
60	// The pagination token that's included if more results are available.
61	NextMarker *string
62
63	// A list of provisioned concurrency configurations.
64	ProvisionedConcurrencyConfigs []types.ProvisionedConcurrencyConfigListItem
65
66	// Metadata pertaining to the operation's result.
67	ResultMetadata middleware.Metadata
68}
69
70func addOperationListProvisionedConcurrencyConfigsMiddlewares(stack *middleware.Stack, options Options) (err error) {
71	err = stack.Serialize.Add(&awsRestjson1_serializeOpListProvisionedConcurrencyConfigs{}, middleware.After)
72	if err != nil {
73		return err
74	}
75	err = stack.Deserialize.Add(&awsRestjson1_deserializeOpListProvisionedConcurrencyConfigs{}, middleware.After)
76	if err != nil {
77		return err
78	}
79	if err = addSetLoggerMiddleware(stack, options); err != nil {
80		return err
81	}
82	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
83		return err
84	}
85	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
86		return err
87	}
88	if err = addResolveEndpointMiddleware(stack, options); err != nil {
89		return err
90	}
91	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
92		return err
93	}
94	if err = addRetryMiddlewares(stack, options); err != nil {
95		return err
96	}
97	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
98		return err
99	}
100	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
101		return err
102	}
103	if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
104		return err
105	}
106	if err = addClientUserAgent(stack); err != nil {
107		return err
108	}
109	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
110		return err
111	}
112	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
113		return err
114	}
115	if err = addOpListProvisionedConcurrencyConfigsValidationMiddleware(stack); err != nil {
116		return err
117	}
118	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opListProvisionedConcurrencyConfigs(options.Region), middleware.Before); err != nil {
119		return err
120	}
121	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
122		return err
123	}
124	if err = addResponseErrorMiddleware(stack); err != nil {
125		return err
126	}
127	if err = addRequestResponseLogging(stack, options); err != nil {
128		return err
129	}
130	return nil
131}
132
133// ListProvisionedConcurrencyConfigsAPIClient is a client that implements the
134// ListProvisionedConcurrencyConfigs operation.
135type ListProvisionedConcurrencyConfigsAPIClient interface {
136	ListProvisionedConcurrencyConfigs(context.Context, *ListProvisionedConcurrencyConfigsInput, ...func(*Options)) (*ListProvisionedConcurrencyConfigsOutput, error)
137}
138
139var _ ListProvisionedConcurrencyConfigsAPIClient = (*Client)(nil)
140
141// ListProvisionedConcurrencyConfigsPaginatorOptions is the paginator options for
142// ListProvisionedConcurrencyConfigs
143type ListProvisionedConcurrencyConfigsPaginatorOptions struct {
144	// Specify a number to limit the number of configurations returned.
145	Limit int32
146
147	// Set to true if pagination should stop if the service returns a pagination token
148	// that matches the most recent token provided to the service.
149	StopOnDuplicateToken bool
150}
151
152// ListProvisionedConcurrencyConfigsPaginator is a paginator for
153// ListProvisionedConcurrencyConfigs
154type ListProvisionedConcurrencyConfigsPaginator struct {
155	options   ListProvisionedConcurrencyConfigsPaginatorOptions
156	client    ListProvisionedConcurrencyConfigsAPIClient
157	params    *ListProvisionedConcurrencyConfigsInput
158	nextToken *string
159	firstPage bool
160}
161
162// NewListProvisionedConcurrencyConfigsPaginator returns a new
163// ListProvisionedConcurrencyConfigsPaginator
164func NewListProvisionedConcurrencyConfigsPaginator(client ListProvisionedConcurrencyConfigsAPIClient, params *ListProvisionedConcurrencyConfigsInput, optFns ...func(*ListProvisionedConcurrencyConfigsPaginatorOptions)) *ListProvisionedConcurrencyConfigsPaginator {
165	options := ListProvisionedConcurrencyConfigsPaginatorOptions{}
166	if params.MaxItems != nil {
167		options.Limit = *params.MaxItems
168	}
169
170	for _, fn := range optFns {
171		fn(&options)
172	}
173
174	if params == nil {
175		params = &ListProvisionedConcurrencyConfigsInput{}
176	}
177
178	return &ListProvisionedConcurrencyConfigsPaginator{
179		options:   options,
180		client:    client,
181		params:    params,
182		firstPage: true,
183	}
184}
185
186// HasMorePages returns a boolean indicating whether more pages are available
187func (p *ListProvisionedConcurrencyConfigsPaginator) HasMorePages() bool {
188	return p.firstPage || p.nextToken != nil
189}
190
191// NextPage retrieves the next ListProvisionedConcurrencyConfigs page.
192func (p *ListProvisionedConcurrencyConfigsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*ListProvisionedConcurrencyConfigsOutput, error) {
193	if !p.HasMorePages() {
194		return nil, fmt.Errorf("no more pages available")
195	}
196
197	params := *p.params
198	params.Marker = p.nextToken
199
200	var limit *int32
201	if p.options.Limit > 0 {
202		limit = &p.options.Limit
203	}
204	params.MaxItems = limit
205
206	result, err := p.client.ListProvisionedConcurrencyConfigs(ctx, &params, optFns...)
207	if err != nil {
208		return nil, err
209	}
210	p.firstPage = false
211
212	prevToken := p.nextToken
213	p.nextToken = result.NextMarker
214
215	if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken {
216		p.nextToken = nil
217	}
218
219	return result, nil
220}
221
222func newServiceMetadataMiddleware_opListProvisionedConcurrencyConfigs(region string) *awsmiddleware.RegisterServiceMetadata {
223	return &awsmiddleware.RegisterServiceMetadata{
224		Region:        region,
225		ServiceID:     ServiceID,
226		SigningName:   "lambda",
227		OperationName: "ListProvisionedConcurrencyConfigs",
228	}
229}
230