1// Code generated by smithy-go-codegen DO NOT EDIT.
2
3package redshift
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/redshift/types"
11	"github.com/aws/smithy-go/middleware"
12	smithyhttp "github.com/aws/smithy-go/transport/http"
13)
14
15// Returns a list of all the available maintenance tracks.
16func (c *Client) DescribeClusterTracks(ctx context.Context, params *DescribeClusterTracksInput, optFns ...func(*Options)) (*DescribeClusterTracksOutput, error) {
17	if params == nil {
18		params = &DescribeClusterTracksInput{}
19	}
20
21	result, metadata, err := c.invokeOperation(ctx, "DescribeClusterTracks", params, optFns, addOperationDescribeClusterTracksMiddlewares)
22	if err != nil {
23		return nil, err
24	}
25
26	out := result.(*DescribeClusterTracksOutput)
27	out.ResultMetadata = metadata
28	return out, nil
29}
30
31type DescribeClusterTracksInput struct {
32
33	// The name of the maintenance track.
34	MaintenanceTrackName *string
35
36	// An optional parameter that specifies the starting point to return a set of
37	// response records. When the results of a DescribeClusterTracks request exceed the
38	// value specified in MaxRecords, Amazon Redshift returns a value in the Marker
39	// field of the response. You can retrieve the next set of response records by
40	// providing the returned marker value in the Marker parameter and retrying the
41	// request.
42	Marker *string
43
44	// An integer value for the maximum number of maintenance tracks to return.
45	MaxRecords *int32
46}
47
48type DescribeClusterTracksOutput struct {
49
50	// A list of maintenance tracks output by the DescribeClusterTracks operation.
51	MaintenanceTracks []types.MaintenanceTrack
52
53	// The starting point to return a set of response tracklist records. You can
54	// retrieve the next set of response records by providing the returned marker value
55	// in the Marker parameter and retrying the request.
56	Marker *string
57
58	// Metadata pertaining to the operation's result.
59	ResultMetadata middleware.Metadata
60}
61
62func addOperationDescribeClusterTracksMiddlewares(stack *middleware.Stack, options Options) (err error) {
63	err = stack.Serialize.Add(&awsAwsquery_serializeOpDescribeClusterTracks{}, middleware.After)
64	if err != nil {
65		return err
66	}
67	err = stack.Deserialize.Add(&awsAwsquery_deserializeOpDescribeClusterTracks{}, middleware.After)
68	if err != nil {
69		return err
70	}
71	if err = addSetLoggerMiddleware(stack, options); err != nil {
72		return err
73	}
74	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
75		return err
76	}
77	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
78		return err
79	}
80	if err = addResolveEndpointMiddleware(stack, options); err != nil {
81		return err
82	}
83	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
84		return err
85	}
86	if err = addRetryMiddlewares(stack, options); err != nil {
87		return err
88	}
89	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
90		return err
91	}
92	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
93		return err
94	}
95	if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
96		return err
97	}
98	if err = addClientUserAgent(stack); err != nil {
99		return err
100	}
101	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
102		return err
103	}
104	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
105		return err
106	}
107	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeClusterTracks(options.Region), middleware.Before); err != nil {
108		return err
109	}
110	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
111		return err
112	}
113	if err = addResponseErrorMiddleware(stack); err != nil {
114		return err
115	}
116	if err = addRequestResponseLogging(stack, options); err != nil {
117		return err
118	}
119	return nil
120}
121
122// DescribeClusterTracksAPIClient is a client that implements the
123// DescribeClusterTracks operation.
124type DescribeClusterTracksAPIClient interface {
125	DescribeClusterTracks(context.Context, *DescribeClusterTracksInput, ...func(*Options)) (*DescribeClusterTracksOutput, error)
126}
127
128var _ DescribeClusterTracksAPIClient = (*Client)(nil)
129
130// DescribeClusterTracksPaginatorOptions is the paginator options for
131// DescribeClusterTracks
132type DescribeClusterTracksPaginatorOptions struct {
133	// An integer value for the maximum number of maintenance tracks to return.
134	Limit int32
135
136	// Set to true if pagination should stop if the service returns a pagination token
137	// that matches the most recent token provided to the service.
138	StopOnDuplicateToken bool
139}
140
141// DescribeClusterTracksPaginator is a paginator for DescribeClusterTracks
142type DescribeClusterTracksPaginator struct {
143	options   DescribeClusterTracksPaginatorOptions
144	client    DescribeClusterTracksAPIClient
145	params    *DescribeClusterTracksInput
146	nextToken *string
147	firstPage bool
148}
149
150// NewDescribeClusterTracksPaginator returns a new DescribeClusterTracksPaginator
151func NewDescribeClusterTracksPaginator(client DescribeClusterTracksAPIClient, params *DescribeClusterTracksInput, optFns ...func(*DescribeClusterTracksPaginatorOptions)) *DescribeClusterTracksPaginator {
152	if params == nil {
153		params = &DescribeClusterTracksInput{}
154	}
155
156	options := DescribeClusterTracksPaginatorOptions{}
157	if params.MaxRecords != nil {
158		options.Limit = *params.MaxRecords
159	}
160
161	for _, fn := range optFns {
162		fn(&options)
163	}
164
165	return &DescribeClusterTracksPaginator{
166		options:   options,
167		client:    client,
168		params:    params,
169		firstPage: true,
170	}
171}
172
173// HasMorePages returns a boolean indicating whether more pages are available
174func (p *DescribeClusterTracksPaginator) HasMorePages() bool {
175	return p.firstPage || p.nextToken != nil
176}
177
178// NextPage retrieves the next DescribeClusterTracks page.
179func (p *DescribeClusterTracksPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeClusterTracksOutput, error) {
180	if !p.HasMorePages() {
181		return nil, fmt.Errorf("no more pages available")
182	}
183
184	params := *p.params
185	params.Marker = p.nextToken
186
187	var limit *int32
188	if p.options.Limit > 0 {
189		limit = &p.options.Limit
190	}
191	params.MaxRecords = limit
192
193	result, err := p.client.DescribeClusterTracks(ctx, &params, optFns...)
194	if err != nil {
195		return nil, err
196	}
197	p.firstPage = false
198
199	prevToken := p.nextToken
200	p.nextToken = result.Marker
201
202	if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken {
203		p.nextToken = nil
204	}
205
206	return result, nil
207}
208
209func newServiceMetadataMiddleware_opDescribeClusterTracks(region string) *awsmiddleware.RegisterServiceMetadata {
210	return &awsmiddleware.RegisterServiceMetadata{
211		Region:        region,
212		ServiceID:     ServiceID,
213		SigningName:   "redshift",
214		OperationName: "DescribeClusterTracks",
215	}
216}
217