# Obter um ARN existente para o Amazon RDS
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Você pode obter o ARN de um recurso do RDS usando o Console de gerenciamento da AWS, a AWS Command Line Interface (AWS CLI) ou a API do RDS. 

## Console
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Para obter um ARN do Console de gerenciamento da AWS, navegue até o recurso para o qual deseja um ARN e veja os detalhes desse recurso.

Por exemplo, você pode obter o ARN de um cluster de banco de dados da guia **Configuração** dos detalhes do cluster de banco de dados.

![ARN do cluster de banco de dados.](http://docs.aws.amazon.com/pt_br/AmazonRDS/latest/AuroraUserGuide/images/DB-cluster-arn.png)


## AWS CLI
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Para obter um ARN a partir da AWS CLI para um recurso do RDS específico, use o comando `describe` para esse recurso. A tabela a seguir mostra cada comando da AWS CLI e a propriedade do ARN usada com o comando para obter um ARN. 


****  

| AWS CLI command | Propriedade do ARN | 
| --- | --- | 
|  [describe-event-subscriptions](https://docs.aws.amazon.com/cli/latest/reference/rds/describe-event-subscriptions.html)  | EventSubscriptionArn | 
|  [describe-certificates](https://docs.aws.amazon.com/cli/latest/reference/rds/describe-certificates.html) | CertificateArn | 
|  [describe-db-parameter-groups](https://docs.aws.amazon.com/cli/latest/reference/rds/describe-db-parameter-groups.html) | DBParameterGroupArn | 
|  [describe-db-cluster-parameter-groups](https://docs.aws.amazon.com/cli/latest/reference/rds/describe-db-cluster-parameter-groups.html) | DBClusterParameterGroupArn | 
|  [describe-db-instances](https://docs.aws.amazon.com/cli/latest/reference/rds/describe-db-instances.html) | DBInstanceArn | 
|  [describe-db-security-groups](https://docs.aws.amazon.com/cli/latest/reference/rds/describe-db-security-groups.html) | DBSecurityGroupArn | 
|  [describe-db-snapshots](https://docs.aws.amazon.com/cli/latest/reference/rds/describe-db-snapshots.html) | DBSnapshotArn | 
|  [describe-events](https://docs.aws.amazon.com/cli/latest/reference/rds/describe-events.html) | SourceArn | 
|  [describe-reserved-db-instances](https://docs.aws.amazon.com/cli/latest/reference/rds/describe-reserved-db-instances.html) | ReservedDBInstanceArn | 
|  [describe-db-subnet-groups](https://docs.aws.amazon.com/cli/latest/reference/rds/describe-db-subnet-groups.html) | DBSubnetGroupArn | 
|  [describe-db-clusters](https://docs.aws.amazon.com/cli/latest/reference/rds/describe-db-clusters.html) | DBClusterArn | 
|  [describe-db-cluster-snapshots](https://docs.aws.amazon.com/cli/latest/reference/rds/describe-db-cluster-snapshots.html) | DBClusterSnapshotArn | 

Por exemplo, o seguinte comando da AWS CLI obtém o ARN para uma instância de banco de dados.

**Example**  
Para Linux, macOS ou Unix:  

```
aws rds describe-db-instances \
--db-instance-identifier {{DBInstanceIdentifier}} \
--region {{us-west-2}} \
--query "*[].{DBInstanceIdentifier:DBInstanceIdentifier,DBInstanceArn:DBInstanceArn}"
```
Para Windows:  

```
aws rds describe-db-instances ^
--db-instance-identifier {{DBInstanceIdentifier}} ^
--region {{us-west-2}} ^
--query "*[].{DBInstanceIdentifier:DBInstanceIdentifier,DBInstanceArn:DBInstanceArn}"
```
A saída desse comando é semelhante à seguinte:  

```
[
    {
        "DBInstanceArn": "arn:aws:rds:us-west-2:{{account_id}}:db:{{instance_id}}", 
        "DBInstanceIdentifier": "{{instance_id}}"
    }
]
```

## API do RDS
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Para obter um ARN para um recurso do RDS específico, é possível chamar as seguintes operações da API do RDS e usar as propriedades do ARN mostradas a seguir.


****  

| Operação da API do RDS | Propriedade do ARN | 
| --- | --- | 
|  [DescribeEventSubscriptions](https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_DescribeEventSubscriptions.html) | EventSubscriptionArn | 
|  [DescribeCertificates](https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_DescribeCertificates.html) | CertificateArn | 
|  [DescribeDBParameterGroups](https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_DescribeDBParameterGroups.html) | DBParameterGroupArn | 
|  [DescribeDBClusterParameterGroups](https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_DescribeDBClusterParameterGroups.html) | DBClusterParameterGroupArn | 
|  [DescribeDBInstances](https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_DescribeDBInstances.html) | DBInstanceArn | 
|  [DescribeDBSecurityGroups](https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_DescribeDBSecurityGroups.html) | DBSecurityGroupArn | 
|  [DescribeDBSnapshots](https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_DescribeDBSnapshots.html) | DBSnapshotArn | 
|  [DescribeEvents](https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_DescribeEvents.html) | SourceArn | 
|  [DescribeReservedDBInstances](https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_DescribeReservedDBInstances.html) | ReservedDBInstanceArn | 
|  [DescribeDBSubnetGroups](https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_DescribeDBSubnetGroups.html) | DBSubnetGroupArn | 
|  [DescribeDBClusters](https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_DescribeDBClusters.html) | DBClusterArn | 
|  [DescribeDBClusterSnapshots](https://docs.aws.amazon.com/AmazonRDS/latest/APIReference/API_DescribeDBClusterSnapshots.html) | DBClusterSnapshotArn |