/
api_op_DescribeAlarmHistory.go
259 lines (219 loc) · 7.71 KB
/
api_op_DescribeAlarmHistory.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package cloudwatch
import (
"context"
"fmt"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/service/cloudwatch/types"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
"time"
)
// Retrieves the history for the specified alarm. You can filter the results by
// date range or item type. If an alarm name is not specified, the histories for
// either all metric alarms or all composite alarms are returned. CloudWatch
// retains the history of an alarm even if you delete the alarm. To use this
// operation and return information about a composite alarm, you must be signed on
// with the cloudwatch:DescribeAlarmHistory permission that is scoped to * . You
// can't return information about composite alarms if your
// cloudwatch:DescribeAlarmHistory permission has a narrower scope.
func (c *Client) DescribeAlarmHistory(ctx context.Context, params *DescribeAlarmHistoryInput, optFns ...func(*Options)) (*DescribeAlarmHistoryOutput, error) {
if params == nil {
params = &DescribeAlarmHistoryInput{}
}
result, metadata, err := c.invokeOperation(ctx, "DescribeAlarmHistory", params, optFns, c.addOperationDescribeAlarmHistoryMiddlewares)
if err != nil {
return nil, err
}
out := result.(*DescribeAlarmHistoryOutput)
out.ResultMetadata = metadata
return out, nil
}
type DescribeAlarmHistoryInput struct {
// The name of the alarm.
AlarmName *string
// Use this parameter to specify whether you want the operation to return metric
// alarms or composite alarms. If you omit this parameter, only metric alarms are
// returned.
AlarmTypes []types.AlarmType
// The ending date to retrieve alarm history.
EndDate *time.Time
// The type of alarm histories to retrieve.
HistoryItemType types.HistoryItemType
// The maximum number of alarm history records to retrieve.
MaxRecords *int32
// The token returned by a previous call to indicate that there is more data
// available.
NextToken *string
// Specified whether to return the newest or oldest alarm history first. Specify
// TimestampDescending to have the newest event history returned first, and specify
// TimestampAscending to have the oldest history returned first.
ScanBy types.ScanBy
// The starting date to retrieve alarm history.
StartDate *time.Time
noSmithyDocumentSerde
}
type DescribeAlarmHistoryOutput struct {
// The alarm histories, in JSON format.
AlarmHistoryItems []types.AlarmHistoryItem
// The token that marks the start of the next batch of returned results.
NextToken *string
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationDescribeAlarmHistoryMiddlewares(stack *middleware.Stack, options Options) (err error) {
if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
return err
}
err = stack.Serialize.Add(&awsAwsquery_serializeOpDescribeAlarmHistory{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsquery_deserializeOpDescribeAlarmHistory{}, middleware.After)
if err != nil {
return err
}
if err := addProtocolFinalizerMiddlewares(stack, options, "DescribeAlarmHistory"); 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_opDescribeAlarmHistory(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
}
// DescribeAlarmHistoryAPIClient is a client that implements the
// DescribeAlarmHistory operation.
type DescribeAlarmHistoryAPIClient interface {
DescribeAlarmHistory(context.Context, *DescribeAlarmHistoryInput, ...func(*Options)) (*DescribeAlarmHistoryOutput, error)
}
var _ DescribeAlarmHistoryAPIClient = (*Client)(nil)
// DescribeAlarmHistoryPaginatorOptions is the paginator options for
// DescribeAlarmHistory
type DescribeAlarmHistoryPaginatorOptions struct {
// The maximum number of alarm history records to retrieve.
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
}
// DescribeAlarmHistoryPaginator is a paginator for DescribeAlarmHistory
type DescribeAlarmHistoryPaginator struct {
options DescribeAlarmHistoryPaginatorOptions
client DescribeAlarmHistoryAPIClient
params *DescribeAlarmHistoryInput
nextToken *string
firstPage bool
}
// NewDescribeAlarmHistoryPaginator returns a new DescribeAlarmHistoryPaginator
func NewDescribeAlarmHistoryPaginator(client DescribeAlarmHistoryAPIClient, params *DescribeAlarmHistoryInput, optFns ...func(*DescribeAlarmHistoryPaginatorOptions)) *DescribeAlarmHistoryPaginator {
if params == nil {
params = &DescribeAlarmHistoryInput{}
}
options := DescribeAlarmHistoryPaginatorOptions{}
if params.MaxRecords != nil {
options.Limit = *params.MaxRecords
}
for _, fn := range optFns {
fn(&options)
}
return &DescribeAlarmHistoryPaginator{
options: options,
client: client,
params: params,
firstPage: true,
nextToken: params.NextToken,
}
}
// HasMorePages returns a boolean indicating whether more pages are available
func (p *DescribeAlarmHistoryPaginator) HasMorePages() bool {
return p.firstPage || (p.nextToken != nil && len(*p.nextToken) != 0)
}
// NextPage retrieves the next DescribeAlarmHistory page.
func (p *DescribeAlarmHistoryPaginator) NextPage(ctx context.Context, optFns ...func(*Options)) (*DescribeAlarmHistoryOutput, 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.MaxRecords = limit
result, err := p.client.DescribeAlarmHistory(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_opDescribeAlarmHistory(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
OperationName: "DescribeAlarmHistory",
}
}