// Code generated by smithy-go-codegen DO NOT EDIT.

package lightsail

import (
	"context"
	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
	"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
	"github.com/aws/aws-sdk-go-v2/service/lightsail/types"
	"github.com/aws/smithy-go/middleware"
	smithyhttp "github.com/aws/smithy-go/transport/http"
	"time"
)

// Returns the data points of the specified metric for a database in Amazon
// Lightsail. Metrics report the utilization of your resources, and the error
// counts generated by them. Monitor and collect metric data regularly to maintain
// the reliability, availability, and performance of your resources.
func (c *Client) GetRelationalDatabaseMetricData(ctx context.Context, params *GetRelationalDatabaseMetricDataInput, optFns ...func(*Options)) (*GetRelationalDatabaseMetricDataOutput, error) {
	if params == nil {
		params = &GetRelationalDatabaseMetricDataInput{}
	}

	result, metadata, err := c.invokeOperation(ctx, "GetRelationalDatabaseMetricData", params, optFns, c.addOperationGetRelationalDatabaseMetricDataMiddlewares)
	if err != nil {
		return nil, err
	}

	out := result.(*GetRelationalDatabaseMetricDataOutput)
	out.ResultMetadata = metadata
	return out, nil
}

type GetRelationalDatabaseMetricDataInput struct {

	// The end of the time interval from which to get metric data. Constraints:
	//   - Specified in Coordinated Universal Time (UTC).
	//   - Specified in the Unix time format. For example, if you wish to use an end
	//   time of October 1, 2018, at 8 PM UTC, then you input 1538424000 as the end
	//   time.
	//
	// This member is required.
	EndTime *time.Time

	// The metric for which you want to return information. Valid relational database
	// metric names are listed below, along with the most useful statistics to include
	// in your request, and the published unit value. All relational database metric
	// data is available in 1-minute (60 seconds) granularity.
	//   - CPUUtilization - The percentage of CPU utilization currently in use on the
	//   database. Statistics : The most useful statistics are Maximum and Average .
	//   Unit : The published unit is Percent .
	//   - DatabaseConnections - The number of database connections in use. Statistics
	//   : The most useful statistics are Maximum and Sum . Unit : The published unit
	//   is Count .
	//   - DiskQueueDepth - The number of outstanding IOs (read/write requests) that
	//   are waiting to access the disk. Statistics : The most useful statistic is Sum
	//   . Unit : The published unit is Count .
	//   - FreeStorageSpace - The amount of available storage space. Statistics : The
	//   most useful statistic is Sum . Unit : The published unit is Bytes .
	//   - NetworkReceiveThroughput - The incoming (Receive) network traffic on the
	//   database, including both customer database traffic and AWS traffic used for
	//   monitoring and replication. Statistics : The most useful statistic is Average
	//   . Unit : The published unit is Bytes/Second .
	//   - NetworkTransmitThroughput - The outgoing (Transmit) network traffic on the
	//   database, including both customer database traffic and AWS traffic used for
	//   monitoring and replication. Statistics : The most useful statistic is Average
	//   . Unit : The published unit is Bytes/Second .
	//
	// This member is required.
	MetricName types.RelationalDatabaseMetricName

	// The granularity, in seconds, of the returned data points. All relational
	// database metric data is available in 1-minute (60 seconds) granularity.
	//
	// This member is required.
	Period int32

	// The name of your database from which to get metric data.
	//
	// This member is required.
	RelationalDatabaseName *string

	// The start of the time interval from which to get metric data. Constraints:
	//   - Specified in Coordinated Universal Time (UTC).
	//   - Specified in the Unix time format. For example, if you wish to use a start
	//   time of October 1, 2018, at 8 PM UTC, then you input 1538424000 as the start
	//   time.
	//
	// This member is required.
	StartTime *time.Time

	// The statistic for the metric. The following statistics are available:
	//   - Minimum - The lowest value observed during the specified period. Use this
	//   value to determine low volumes of activity for your application.
	//   - Maximum - The highest value observed during the specified period. Use this
	//   value to determine high volumes of activity for your application.
	//   - Sum - All values submitted for the matching metric added together. You can
	//   use this statistic to determine the total volume of a metric.
	//   - Average - The value of Sum / SampleCount during the specified period. By
	//   comparing this statistic with the Minimum and Maximum values, you can determine
	//   the full scope of a metric and how close the average use is to the Minimum and
	//   Maximum values. This comparison helps you to know when to increase or decrease
	//   your resources.
	//   - SampleCount - The count, or number, of data points used for the statistical
	//   calculation.
	//
	// This member is required.
	Statistics []types.MetricStatistic

	// The unit for the metric data request. Valid units depend on the metric data
	// being requested. For the valid units with each available metric, see the
	// metricName parameter.
	//
	// This member is required.
	Unit types.MetricUnit

	noSmithyDocumentSerde
}

type GetRelationalDatabaseMetricDataOutput struct {

	// An array of objects that describe the metric data returned.
	MetricData []types.MetricDatapoint

	// The name of the metric returned.
	MetricName types.RelationalDatabaseMetricName

	// Metadata pertaining to the operation's result.
	ResultMetadata middleware.Metadata

	noSmithyDocumentSerde
}

func (c *Client) addOperationGetRelationalDatabaseMetricDataMiddlewares(stack *middleware.Stack, options Options) (err error) {
	err = stack.Serialize.Add(&awsAwsjson11_serializeOpGetRelationalDatabaseMetricData{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsjson11_deserializeOpGetRelationalDatabaseMetricData{}, middleware.After)
	if err != nil {
		return err
	}
	if err = addSetLoggerMiddleware(stack, options); err != nil {
		return err
	}
	if err = awsmiddleware.AddClientRequestIDMiddleware(stack); err != nil {
		return err
	}
	if err = smithyhttp.AddComputeContentLengthMiddleware(stack); err != nil {
		return err
	}
	if err = addResolveEndpointMiddleware(stack, options); err != nil {
		return err
	}
	if err = v4.AddComputePayloadSHA256Middleware(stack); err != nil {
		return err
	}
	if err = addRetryMiddlewares(stack, options); err != nil {
		return err
	}
	if err = addHTTPSignerV4Middleware(stack, options); err != nil {
		return err
	}
	if err = awsmiddleware.AddRawResponseToMetadata(stack); err != nil {
		return err
	}
	if err = awsmiddleware.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 = addOpGetRelationalDatabaseMetricDataValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opGetRelationalDatabaseMetricData(options.Region), middleware.Before); err != nil {
		return err
	}
	if err = awsmiddleware.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
	}
	return nil
}

func newServiceMetadataMiddleware_opGetRelationalDatabaseMetricData(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		SigningName:   "lightsail",
		OperationName: "GetRelationalDatabaseMetricData",
	}
}