F/ add ability to specify a privatelink end point for S3 file gateway - NFS resource

.changelog/15355.txt

@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/aws_storagegateway_gateway: Add `maintenance_start_time` argument
+```

.changelog/24038.txt

@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/aws_storagegateway_nfs_file_share: Add `bucket_region` and `vpc_endpoint_dns_name` arguments to support PrivateLink endpoints
+```

internal/service/storagegateway/enum.go

@@ -14,6 +14,12 @@ func authentication_Values() []string {
 	}
 }
 
+const (
+	bandwidthTypeAll      = "ALL"
+	bandwidthTypeDownload = "DOWNLOAD"
+	bandwidthTypeUpload   = "UPLOAD"
+)
+
 const (
 	defaultStorageClassS3IntelligentTiering = "S3_INTELLIGENT_TIERING"
 	defaultStorageClassS3OneZoneIA          = "S3_ONEZONE_IA"
@@ -30,6 +36,64 @@ func defaultStorageClass_Values() []string {
 	}
 }
 
+const (
+	gatewayTypeCached     = "CACHED"
+	gatewayTypeFileFSXSMB = "FILE_FSX_SMB"
+	gatewayTypeFileS3     = "FILE_S3"
+	gatewayTypeStored     = "STORED"
+	gatewayTypeVTL        = "VTL"
+	gatewayTypeVTLSnow    = "VTL_SNOW"
+)
+
+func gatewayType_Values() []string {
+	return []string{
+		gatewayTypeCached,
+		gatewayTypeFileFSXSMB,
+		gatewayTypeFileS3,
+		gatewayTypeStored,
+		gatewayTypeVTL,
+		gatewayTypeVTLSnow,
+	}
+}
+
+const (
+	mediumChangerTypeAWS_Gateway_VTL   = "AWS-Gateway-VTL"
+	mediumChangerTypeIBM_03584L32_0402 = "IBM-03584L32-0402"
+	mediumChangerTypeSTK_L700          = "STK-L700"
+)
+
+func mediumChangerType_Values() []string {
+	return []string{
+		mediumChangerTypeAWS_Gateway_VTL,
+		mediumChangerTypeIBM_03584L32_0402,
+		mediumChangerTypeSTK_L700,
+	}
+}
+
+const (
+	squashAllSquash  = "AllSquash"
+	squashNoSquash   = "NoSquash"
+	squashRootSquash = "RootSquash"
+)
+
+func squash_Values() []string {
+	return []string{
+		squashAllSquash,
+		squashNoSquash,
+		squashRootSquash,
+	}
+}
+
+const (
+	tapeDriveTypeIBM_ULT3580_TD5 = "IBM-ULT3580-TD5"
+)
+
+func tapeDriveType_Values() []string {
+	return []string{
+		tapeDriveTypeIBM_ULT3580_TD5,
+	}
+}
+
 const (
 	fileShareStatusAvailable     = "AVAILABLE"
 	fileShareStatusCreating      = "CREATING"

internal/service/storagegateway/errors.go

@@ -7,11 +7,12 @@ import (
 	"github.com/aws/aws-sdk-go/service/storagegateway"
 )
 
-// Error code constants missing from AWS Go SDK:
-// https://docs.aws.amazon.com/sdk-for-go/api/service/storagegateway/#pkg-constants
+// Operation error code constants missing from AWS Go SDK: https://docs.aws.amazon.com/sdk-for-go/api/service/storagegateway/#pkg-constants.
+// See https://docs.aws.amazon.com/storagegateway/latest/userguide/AWSStorageGatewayAPI.html#APIOperationErrorCodes for details.
 const (
 	operationErrCodeFileShareNotFound             = "FileShareNotFound"
 	operationErrCodeFileSystemAssociationNotFound = "FileSystemAssociationNotFound"
+	operationErrCodeGatewayNotFound               = "GatewayNotFound"
 )
 
 // operationErrorCode returns the operation error code from the specified error:

internal/service/storagegateway/find.go

@@ -3,6 +3,7 @@ package storagegateway
 import (
 	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/service/storagegateway"
+	"github.com/hashicorp/aws-sdk-go-base/v2/awsv1shim/v2/tfawserr"
 	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/resource"
 	"github.com/hashicorp/terraform-provider-aws/internal/tfresource"
 )
@@ -82,6 +83,60 @@ func FindUploadBufferDisk(conn *storagegateway.StorageGateway, gatewayARN string
 	return result, err
 }
 
+func FindGatewayByARN(conn *storagegateway.StorageGateway, arn string) (*storagegateway.DescribeGatewayInformationOutput, error) {
+	input := &storagegateway.DescribeGatewayInformationInput{
+		GatewayARN: aws.String(arn),
+	}
+
+	output, err := conn.DescribeGatewayInformation(input)
+
+	if operationErrorCode(err) == operationErrCodeGatewayNotFound || tfawserr.ErrCodeEquals(err, storagegateway.ErrorCodeGatewayNotFound) {
+		return nil, &resource.NotFoundError{
+			LastError:   err,
+			LastRequest: input,
+		}
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	if output == nil {
+		return nil, tfresource.NewEmptyResultError(input)
+	}
+
+	return output, nil
+}
+
+func FindNFSFileShareByARN(conn *storagegateway.StorageGateway, arn string) (*storagegateway.NFSFileShareInfo, error) {
+	input := &storagegateway.DescribeNFSFileSharesInput{
+		FileShareARNList: aws.StringSlice([]string{arn}),
+	}
+
+	output, err := conn.DescribeNFSFileShares(input)
+
+	if operationErrorCode(err) == operationErrCodeFileShareNotFound {
+		return nil, &resource.NotFoundError{
+			LastError:   err,
+			LastRequest: input,
+		}
+	}
+
+	if err != nil {
+		return nil, err
+	}
+
+	if output == nil || len(output.NFSFileShareInfoList) == 0 || output.NFSFileShareInfoList[0] == nil {
+		return nil, tfresource.NewEmptyResultError(input)
+	}
+
+	if count := len(output.NFSFileShareInfoList); count > 1 {
+		return nil, tfresource.NewTooManyResultsError(count, input)
+	}
+
+	return output.NFSFileShareInfoList[0], nil
+}
+
 func FindSMBFileShareByARN(conn *storagegateway.StorageGateway, arn string) (*storagegateway.SMBFileShareInfo, error) {
 	input := &storagegateway.DescribeSMBFileSharesInput{
 		FileShareARNList: aws.StringSlice([]string{arn}),