/
api_op_GetClusterCredentials.go
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/
api_op_GetClusterCredentials.go
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// Code generated by smithy-go-codegen DO NOT EDIT.
package redshift
import (
"context"
"errors"
"fmt"
"github.com/aws/aws-sdk-go-v2/aws"
awsmiddleware "github.com/aws/aws-sdk-go-v2/aws/middleware"
"github.com/aws/aws-sdk-go-v2/aws/signer/v4"
internalauth "github.com/aws/aws-sdk-go-v2/internal/auth"
smithyendpoints "github.com/aws/smithy-go/endpoints"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
"time"
)
// Returns a database user name and temporary password with temporary
// authorization to log on to an Amazon Redshift database. The action returns the
// database user name prefixed with IAM: if AutoCreate is False or IAMA: if
// AutoCreate is True . You can optionally specify one or more database user groups
// that the user will join at log on. By default, the temporary credentials expire
// in 900 seconds. You can optionally specify a duration between 900 seconds (15
// minutes) and 3600 seconds (60 minutes). For more information, see Using IAM
// Authentication to Generate Database User Credentials (https://docs.aws.amazon.com/redshift/latest/mgmt/generating-user-credentials.html)
// in the Amazon Redshift Cluster Management Guide. The Identity and Access
// Management (IAM) user or role that runs GetClusterCredentials must have an IAM
// policy attached that allows access to all necessary actions and resources. For
// more information about permissions, see Resource Policies for
// GetClusterCredentials (https://docs.aws.amazon.com/redshift/latest/mgmt/redshift-iam-access-control-identity-based.html#redshift-policy-resources.getclustercredentials-resources)
// in the Amazon Redshift Cluster Management Guide. If the DbGroups parameter is
// specified, the IAM policy must allow the redshift:JoinGroup action with access
// to the listed dbgroups . In addition, if the AutoCreate parameter is set to True
// , then the policy must include the redshift:CreateClusterUser permission. If
// the DbName parameter is specified, the IAM policy must allow access to the
// resource dbname for the specified database name.
func (c *Client) GetClusterCredentials(ctx context.Context, params *GetClusterCredentialsInput, optFns ...func(*Options)) (*GetClusterCredentialsOutput, error) {
if params == nil {
params = &GetClusterCredentialsInput{}
}
result, metadata, err := c.invokeOperation(ctx, "GetClusterCredentials", params, optFns, c.addOperationGetClusterCredentialsMiddlewares)
if err != nil {
return nil, err
}
out := result.(*GetClusterCredentialsOutput)
out.ResultMetadata = metadata
return out, nil
}
// The request parameters to get cluster credentials.
type GetClusterCredentialsInput struct {
// The name of a database user. If a user name matching DbUser exists in the
// database, the temporary user credentials have the same permissions as the
// existing user. If DbUser doesn't exist in the database and Autocreate is True ,
// a new user is created using the value for DbUser with PUBLIC permissions. If a
// database user matching the value for DbUser doesn't exist and Autocreate is
// False , then the command succeeds but the connection attempt will fail because
// the user doesn't exist in the database. For more information, see CREATE USER (https://docs.aws.amazon.com/redshift/latest/dg/r_CREATE_USER.html)
// in the Amazon Redshift Database Developer Guide. Constraints:
// - Must be 1 to 64 alphanumeric characters or hyphens. The user name can't be
// PUBLIC .
// - Must contain uppercase or lowercase letters, numbers, underscore, plus
// sign, period (dot), at symbol (@), or hyphen.
// - First character must be a letter.
// - Must not contain a colon ( : ) or slash ( / ).
// - Cannot be a reserved word. A list of reserved words can be found in
// Reserved Words (http://docs.aws.amazon.com/redshift/latest/dg/r_pg_keywords.html)
// in the Amazon Redshift Database Developer Guide.
//
// This member is required.
DbUser *string
// Create a database user with the name specified for the user named in DbUser if
// one does not exist.
AutoCreate *bool
// The unique identifier of the cluster that contains the database for which you
// are requesting credentials. This parameter is case sensitive.
ClusterIdentifier *string
// The custom domain name for the cluster credentials.
CustomDomainName *string
// A list of the names of existing database groups that the user named in DbUser
// will join for the current session, in addition to any group memberships for an
// existing user. If not specified, a new user is added only to PUBLIC. Database
// group name constraints
// - Must be 1 to 64 alphanumeric characters or hyphens
// - Must contain only lowercase letters, numbers, underscore, plus sign, period
// (dot), at symbol (@), or hyphen.
// - First character must be a letter.
// - Must not contain a colon ( : ) or slash ( / ).
// - Cannot be a reserved word. A list of reserved words can be found in
// Reserved Words (http://docs.aws.amazon.com/redshift/latest/dg/r_pg_keywords.html)
// in the Amazon Redshift Database Developer Guide.
DbGroups []string
// The name of a database that DbUser is authorized to log on to. If DbName is not
// specified, DbUser can log on to any existing database. Constraints:
// - Must be 1 to 64 alphanumeric characters or hyphens
// - Must contain uppercase or lowercase letters, numbers, underscore, plus
// sign, period (dot), at symbol (@), or hyphen.
// - First character must be a letter.
// - Must not contain a colon ( : ) or slash ( / ).
// - Cannot be a reserved word. A list of reserved words can be found in
// Reserved Words (http://docs.aws.amazon.com/redshift/latest/dg/r_pg_keywords.html)
// in the Amazon Redshift Database Developer Guide.
DbName *string
// The number of seconds until the returned temporary password expires.
// Constraint: minimum 900, maximum 3600. Default: 900
DurationSeconds *int32
noSmithyDocumentSerde
}
// Temporary credentials with authorization to log on to an Amazon Redshift
// database.
type GetClusterCredentialsOutput struct {
// A temporary password that authorizes the user name returned by DbUser to log on
// to the database DbName .
DbPassword *string
// A database user name that is authorized to log on to the database DbName using
// the password DbPassword . If the specified DbUser exists in the database, the
// new user name has the same database permissions as the the user named in DbUser.
// By default, the user is added to PUBLIC. If the DbGroups parameter is specifed,
// DbUser is added to the listed groups for any sessions created using these
// credentials.
DbUser *string
// The date and time the password in DbPassword expires.
Expiration *time.Time
// Metadata pertaining to the operation's result.
ResultMetadata middleware.Metadata
noSmithyDocumentSerde
}
func (c *Client) addOperationGetClusterCredentialsMiddlewares(stack *middleware.Stack, options Options) (err error) {
err = stack.Serialize.Add(&awsAwsquery_serializeOpGetClusterCredentials{}, middleware.After)
if err != nil {
return err
}
err = stack.Deserialize.Add(&awsAwsquery_deserializeOpGetClusterCredentials{}, middleware.After)
if err != nil {
return err
}
if err = addlegacyEndpointContextSetter(stack, options); 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 = addGetClusterCredentialsResolveEndpointMiddleware(stack, options); err != nil {
return err
}
if err = addOpGetClusterCredentialsValidationMiddleware(stack); err != nil {
return err
}
if err = stack.Initialize.Add(newServiceMetadataMiddleware_opGetClusterCredentials(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
}
if err = addendpointDisableHTTPSMiddleware(stack, options); err != nil {
return err
}
return nil
}
func newServiceMetadataMiddleware_opGetClusterCredentials(region string) *awsmiddleware.RegisterServiceMetadata {
return &awsmiddleware.RegisterServiceMetadata{
Region: region,
ServiceID: ServiceID,
SigningName: "redshift",
OperationName: "GetClusterCredentials",
}
}
type opGetClusterCredentialsResolveEndpointMiddleware struct {
EndpointResolver EndpointResolverV2
BuiltInResolver builtInParameterResolver
}
func (*opGetClusterCredentialsResolveEndpointMiddleware) ID() string {
return "ResolveEndpointV2"
}
func (m *opGetClusterCredentialsResolveEndpointMiddleware) HandleSerialize(ctx context.Context, in middleware.SerializeInput, next middleware.SerializeHandler) (
out middleware.SerializeOutput, metadata middleware.Metadata, err error,
) {
if awsmiddleware.GetRequiresLegacyEndpoints(ctx) {
return next.HandleSerialize(ctx, in)
}
req, ok := in.Request.(*smithyhttp.Request)
if !ok {
return out, metadata, fmt.Errorf("unknown transport type %T", in.Request)
}
if m.EndpointResolver == nil {
return out, metadata, fmt.Errorf("expected endpoint resolver to not be nil")
}
params := EndpointParameters{}
m.BuiltInResolver.ResolveBuiltIns(¶ms)
var resolvedEndpoint smithyendpoints.Endpoint
resolvedEndpoint, err = m.EndpointResolver.ResolveEndpoint(ctx, params)
if err != nil {
return out, metadata, fmt.Errorf("failed to resolve service endpoint, %w", err)
}
req.URL = &resolvedEndpoint.URI
for k := range resolvedEndpoint.Headers {
req.Header.Set(
k,
resolvedEndpoint.Headers.Get(k),
)
}
authSchemes, err := internalauth.GetAuthenticationSchemes(&resolvedEndpoint.Properties)
if err != nil {
var nfe *internalauth.NoAuthenticationSchemesFoundError
if errors.As(err, &nfe) {
// if no auth scheme is found, default to sigv4
signingName := "redshift"
signingRegion := m.BuiltInResolver.(*builtInResolver).Region
ctx = awsmiddleware.SetSigningName(ctx, signingName)
ctx = awsmiddleware.SetSigningRegion(ctx, signingRegion)
}
var ue *internalauth.UnSupportedAuthenticationSchemeSpecifiedError
if errors.As(err, &ue) {
return out, metadata, fmt.Errorf(
"This operation requests signer version(s) %v but the client only supports %v",
ue.UnsupportedSchemes,
internalauth.SupportedSchemes,
)
}
}
for _, authScheme := range authSchemes {
switch authScheme.(type) {
case *internalauth.AuthenticationSchemeV4:
v4Scheme, _ := authScheme.(*internalauth.AuthenticationSchemeV4)
var signingName, signingRegion string
if v4Scheme.SigningName == nil {
signingName = "redshift"
} else {
signingName = *v4Scheme.SigningName
}
if v4Scheme.SigningRegion == nil {
signingRegion = m.BuiltInResolver.(*builtInResolver).Region
} else {
signingRegion = *v4Scheme.SigningRegion
}
if v4Scheme.DisableDoubleEncoding != nil {
// The signer sets an equivalent value at client initialization time.
// Setting this context value will cause the signer to extract it
// and override the value set at client initialization time.
ctx = internalauth.SetDisableDoubleEncoding(ctx, *v4Scheme.DisableDoubleEncoding)
}
ctx = awsmiddleware.SetSigningName(ctx, signingName)
ctx = awsmiddleware.SetSigningRegion(ctx, signingRegion)
break
case *internalauth.AuthenticationSchemeV4A:
v4aScheme, _ := authScheme.(*internalauth.AuthenticationSchemeV4A)
if v4aScheme.SigningName == nil {
v4aScheme.SigningName = aws.String("redshift")
}
if v4aScheme.DisableDoubleEncoding != nil {
// The signer sets an equivalent value at client initialization time.
// Setting this context value will cause the signer to extract it
// and override the value set at client initialization time.
ctx = internalauth.SetDisableDoubleEncoding(ctx, *v4aScheme.DisableDoubleEncoding)
}
ctx = awsmiddleware.SetSigningName(ctx, *v4aScheme.SigningName)
ctx = awsmiddleware.SetSigningRegion(ctx, v4aScheme.SigningRegionSet[0])
break
case *internalauth.AuthenticationSchemeNone:
break
}
}
return next.HandleSerialize(ctx, in)
}
func addGetClusterCredentialsResolveEndpointMiddleware(stack *middleware.Stack, options Options) error {
return stack.Serialize.Insert(&opGetClusterCredentialsResolveEndpointMiddleware{
EndpointResolver: options.EndpointResolverV2,
BuiltInResolver: &builtInResolver{
Region: options.Region,
UseDualStack: options.EndpointOptions.UseDualStackEndpoint,
UseFIPS: options.EndpointOptions.UseFIPSEndpoint,
Endpoint: options.BaseEndpoint,
},
}, "ResolveEndpoint", middleware.After)
}