1// Code generated by smithy-go-codegen DO NOT EDIT.
2
3package ec2
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/ec2/types"
11	"github.com/aws/smithy-go/middleware"
12	smithyhttp "github.com/aws/smithy-go/transport/http"
13)
14
15// Describes the specified EC2 Fleets or all of your EC2 Fleets. For more
16// information, see Monitoring your EC2 Fleet
17// (https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-fleet.html#monitor-ec2-fleet)
18// in the Amazon EC2 User Guide.
19func (c *Client) DescribeFleets(ctx context.Context, params *DescribeFleetsInput, optFns ...func(*Options)) (*DescribeFleetsOutput, error) {
20	if params == nil {
21		params = &DescribeFleetsInput{}
22	}
23
24	result, metadata, err := c.invokeOperation(ctx, "DescribeFleets", params, optFns, addOperationDescribeFleetsMiddlewares)
25	if err != nil {
26		return nil, err
27	}
28
29	out := result.(*DescribeFleetsOutput)
30	out.ResultMetadata = metadata
31	return out, nil
32}
33
34type DescribeFleetsInput struct {
35
36	// Checks whether you have the required permissions for the action, without
37	// actually making the request, and provides an error response. If you have the
38	// required permissions, the error response is DryRunOperation. Otherwise, it is
39	// UnauthorizedOperation.
40	DryRun bool
41
42	// The filters.
43	//
44	// * activity-status - The progress of the EC2 Fleet ( error |
45	// pending-fulfillment | pending-termination | fulfilled).
46	//
47	// *
48	// excess-capacity-termination-policy - Indicates whether to terminate running
49	// instances if the target capacity is decreased below the current EC2 Fleet size
50	// (true | false).
51	//
52	// * fleet-state - The state of the EC2 Fleet (submitted | active
53	// | deleted | failed | deleted-running | deleted-terminating | modifying).
54	//
55	// *
56	// replace-unhealthy-instances - Indicates whether EC2 Fleet should replace
57	// unhealthy instances (true | false).
58	//
59	// * type - The type of request (instant |
60	// request | maintain).
61	Filters []types.Filter
62
63	// The ID of the EC2 Fleets.
64	FleetIds []string
65
66	// The maximum number of results to return in a single call. Specify a value
67	// between 1 and 1000. The default value is 1000. To retrieve the remaining
68	// results, make another call with the returned NextToken value.
69	MaxResults int32
70
71	// The token for the next set of results.
72	NextToken *string
73}
74
75type DescribeFleetsOutput struct {
76
77	// Information about the EC2 Fleets.
78	Fleets []types.FleetData
79
80	// The token for the next set of results.
81	NextToken *string
82
83	// Metadata pertaining to the operation's result.
84	ResultMetadata middleware.Metadata
85}
86
87func addOperationDescribeFleetsMiddlewares(stack *middleware.Stack, options Options) (err error) {
88	err = stack.Serialize.Add(&awsEc2query_serializeOpDescribeFleets{}, middleware.After)
89	if err != nil {
90		return err
91	}
92	err = stack.Deserialize.Add(&awsEc2query_deserializeOpDescribeFleets{}, middleware.After)
93	if err != nil {
94		return err
95	}
96	if err = addSetLoggerMiddleware(stack, options); err != nil {
97		return err
98	}
99	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
100		return err
101	}
102	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
103		return err
104	}
105	if err = addResolveEndpointMiddleware(stack, options); err != nil {
106		return err
107	}
108	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
109		return err
110	}
111	if err = addRetryMiddlewares(stack, options); err != nil {
112		return err
113	}
114	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
115		return err
116	}
117	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
118		return err
119	}
120	if err = awsmiddleware.AddRecordResponseTiming(stack); err != nil {
121		return err
122	}
123	if err = addClientUserAgent(stack); err != nil {
124		return err
125	}
126	if err = smithyhttp.AddErrorCloseResponseBodyMiddleware(stack); err != nil {
127		return err
128	}
129	if err = smithyhttp.AddCloseResponseBodyMiddleware(stack); err != nil {
130		return err
131	}
132	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeFleets(options.Region), middleware.Before); err != nil {
133		return err
134	}
135	if err = addRequestIDRetrieverMiddleware(stack); err != nil {
136		return err
137	}
138	if err = addResponseErrorMiddleware(stack); err != nil {
139		return err
140	}
141	if err = addRequestResponseLogging(stack, options); err != nil {
142		return err
143	}
144	return nil
145}
146
147// DescribeFleetsAPIClient is a client that implements the DescribeFleets
148// operation.
149type DescribeFleetsAPIClient interface {
150	DescribeFleets(context.Context, *DescribeFleetsInput, ...func(*Options)) (*DescribeFleetsOutput, error)
151}
152
153var _ DescribeFleetsAPIClient = (*Client)(nil)
154
155// DescribeFleetsPaginatorOptions is the paginator options for DescribeFleets
156type DescribeFleetsPaginatorOptions struct {
157	// The maximum number of results to return in a single call. Specify a value
158	// between 1 and 1000. The default value is 1000. To retrieve the remaining
159	// results, make another call with the returned NextToken value.
160	Limit int32
161
162	// Set to true if pagination should stop if the service returns a pagination token
163	// that matches the most recent token provided to the service.
164	StopOnDuplicateToken bool
165}
166
167// DescribeFleetsPaginator is a paginator for DescribeFleets
168type DescribeFleetsPaginator struct {
169	options   DescribeFleetsPaginatorOptions
170	client    DescribeFleetsAPIClient
171	params    *DescribeFleetsInput
172	nextToken *string
173	firstPage bool
174}
175
176// NewDescribeFleetsPaginator returns a new DescribeFleetsPaginator
177func NewDescribeFleetsPaginator(client DescribeFleetsAPIClient, params *DescribeFleetsInput, optFns ...func(*DescribeFleetsPaginatorOptions)) *DescribeFleetsPaginator {
178	options := DescribeFleetsPaginatorOptions{}
179	if params.MaxResults != 0 {
180		options.Limit = params.MaxResults
181	}
182
183	for _, fn := range optFns {
184		fn(&options)
185	}
186
187	if params == nil {
188		params = &DescribeFleetsInput{}
189	}
190
191	return &DescribeFleetsPaginator{
192		options:   options,
193		client:    client,
194		params:    params,
195		firstPage: true,
196	}
197}
198
199// HasMorePages returns a boolean indicating whether more pages are available
200func (p *DescribeFleetsPaginator) HasMorePages() bool {
201	return p.firstPage || p.nextToken != nil
202}
203
204// NextPage retrieves the next DescribeFleets page.
205func (p *DescribeFleetsPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeFleetsOutput, error) {
206	if !p.HasMorePages() {
207		return nil, fmt.Errorf("no more pages available")
208	}
209
210	params := *p.params
211	params.NextToken = p.nextToken
212
213	params.MaxResults = p.options.Limit
214
215	result, err := p.client.DescribeFleets(ctx, &params, optFns...)
216	if err != nil {
217		return nil, err
218	}
219	p.firstPage = false
220
221	prevToken := p.nextToken
222	p.nextToken = result.NextToken
223
224	if p.options.StopOnDuplicateToken && prevToken != nil && p.nextToken != nil && *prevToken == *p.nextToken {
225		p.nextToken = nil
226	}
227
228	return result, nil
229}
230
231func newServiceMetadataMiddleware_opDescribeFleets(region string) *awsmiddleware.RegisterServiceMetadata {
232	return &awsmiddleware.RegisterServiceMetadata{
233		Region:        region,
234		ServiceID:     ServiceID,
235		SigningName:   "ec2",
236		OperationName: "DescribeFleets",
237	}
238}
239