api_op_DescribeDatabase.go

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

package timestreamwrite

import (
	"context"
	"fmt"
	awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
	internalEndpointDiscovery "github.com/aws/aws-sdk-go-v2/service/internal/endpoint-discovery"
	"github.com/aws/aws-sdk-go-v2/service/timestreamwrite/types"
	"github.com/aws/smithy-go/middleware"
	smithyhttp "github.com/aws/smithy-go/transport/http"
)

// Returns information about the database, including the database name, time that
// the database was created, and the total number of tables found within the
// database. [Service quotas apply]. See [code sample] for details.
//
// [Service quotas apply]: https://docs.aws.amazon.com/timestream/latest/developerguide/ts-limits.html
// [code sample]: https://docs.aws.amazon.com/timestream/latest/developerguide/code-samples.describe-db.html
func (c *Client) DescribeDatabase(ctx context.Context, params *DescribeDatabaseInput, optFns ...func(*Options)) (*DescribeDatabaseOutput, error) {
	if params == nil {
		params = &DescribeDatabaseInput{}
	}

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

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

type DescribeDatabaseInput struct {

	// The name of the Timestream database.
	//
	// This member is required.
	DatabaseName *string

	noSmithyDocumentSerde
}

type DescribeDatabaseOutput struct {

	// The name of the Timestream table.
	Database *types.Database

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

	noSmithyDocumentSerde
}

func (c *Client) addOperationDescribeDatabaseMiddlewares(stack *middleware.Stack, options Options) (err error) {
	if err := stack.Serialize.Add(&setOperationInputMiddleware{}, middleware.After); err != nil {
		return err
	}
	err = stack.Serialize.Add(&awsAwsjson10_serializeOpDescribeDatabase{}, middleware.After)
	if err != nil {
		return err
	}
	err = stack.Deserialize.Add(&awsAwsjson10_deserializeOpDescribeDatabase{}, middleware.After)
	if err != nil {
		return err
	}
	if err := addProtocolFinalizerMiddlewares(stack, options, "DescribeDatabase"); 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 = addOpDescribeDatabaseDiscoverEndpointMiddleware(stack, options, c); err != nil {
		return err
	}
	if err = addSetLegacyContextSigningOptionsMiddleware(stack); err != nil {
		return err
	}
	if err = addOpDescribeDatabaseValidationMiddleware(stack); err != nil {
		return err
	}
	if err = stack.Initialize.Add(newServiceMetadataMiddleware_opDescribeDatabase(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
}

func addOpDescribeDatabaseDiscoverEndpointMiddleware(stack *middleware.Stack, o Options, c *Client) error {
	return stack.Finalize.Insert(&internalEndpointDiscovery.DiscoverEndpoint{
		Options: []func(*internalEndpointDiscovery.DiscoverEndpointOptions){
			func(opt *internalEndpointDiscovery.DiscoverEndpointOptions) {
				opt.DisableHTTPS = o.EndpointOptions.DisableHTTPS
				opt.Logger = o.Logger
				opt.EndpointResolverUsedForDiscovery = o.EndpointDiscovery.EndpointResolverUsedForDiscovery
			},
		},
		DiscoverOperation:            c.fetchOpDescribeDatabaseDiscoverEndpoint,
		EndpointDiscoveryEnableState: o.EndpointDiscovery.EnableEndpointDiscovery,
		EndpointDiscoveryRequired:    true,
		Region:                       o.Region,
	}, "ResolveEndpointV2", middleware.After)
}

func (c *Client) fetchOpDescribeDatabaseDiscoverEndpoint(ctx context.Context, region string, optFns ...func(*internalEndpointDiscovery.DiscoverEndpointOptions)) (internalEndpointDiscovery.WeightedAddress, error) {
	input := getOperationInput(ctx)
	in, ok := input.(*DescribeDatabaseInput)
	if !ok {
		return internalEndpointDiscovery.WeightedAddress{}, fmt.Errorf("unknown input type %T", input)
	}
	_ = in

	identifierMap := make(map[string]string, 0)
	identifierMap["sdk#Region"] = region

	key := fmt.Sprintf("Timestream Write.%v", identifierMap)

	if v, ok := c.endpointCache.Get(key); ok {
		return v, nil
	}

	discoveryOperationInput := &DescribeEndpointsInput{}

	opt := internalEndpointDiscovery.DiscoverEndpointOptions{}
	for _, fn := range optFns {
		fn(&opt)
	}

	endpoint, err := c.handleEndpointDiscoveryFromService(ctx, discoveryOperationInput, region, key, opt)
	if err != nil {
		return internalEndpointDiscovery.WeightedAddress{}, err
	}

	weighted, ok := endpoint.GetValidAddress()
	if !ok {
		return internalEndpointDiscovery.WeightedAddress{}, fmt.Errorf("no valid endpoint address returned by the endpoint discovery api")
	}
	return weighted, nil
}

func newServiceMetadataMiddleware_opDescribeDatabase(region string) *awsmiddleware.RegisterServiceMetadata {
	return &awsmiddleware.RegisterServiceMetadata{
		Region:        region,
		ServiceID:     ServiceID,
		OperationName: "DescribeDatabase",
	}
}