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# Use `DescribeRegions` com um AWS SDK ou CLI
<a name="example_ec2_DescribeRegions_section"></a>

Os exemplos de código a seguir mostram como usar o `DescribeRegions`.

------
#### [ C\$1\$1 ]

**SDK para C\$1\$1**  
 Tem mais sobre GitHub. Encontre o exemplo completo e saiba como configurar e executar no [AWS Code Examples Repository](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/cpp/example_code/ec2#code-examples). 

```
//! Describe all Amazon Elastic Compute Cloud (Amazon EC2) Regions.
/*!
  \param clientConfiguration: AWS client configuration.
  \return bool: Function succeeded.
 */
bool AwsDoc::EC2::describeRegions(
        const Aws::Client::ClientConfiguration &clientConfiguration) {
    Aws::EC2::EC2Client ec2Client(clientConfiguration);

    Aws::EC2::Model::DescribeRegionsRequest request;
    Aws::EC2::Model::DescribeRegionsOutcome outcome = ec2Client.DescribeRegions(request);
    if (outcome.IsSuccess()) {
        std::cout << std::left <<
                  std::setw(32) << "RegionName" <<
                  std::setw(64) << "Endpoint" << std::endl;

        const auto &regions = outcome.GetResult().GetRegions();
        for (const auto &region: regions) {
            std::cout << std::left <<
                      std::setw(32) << region.GetRegionName() <<
                      std::setw(64) << region.GetEndpoint() << std::endl;
        }
    } else {
        std::cerr << "Failed to describe regions:" <<
                  outcome.GetError().GetMessage() << std::endl;
    }

    std::cout << std::endl;

    return outcome.IsSuccess();

}
```
+  Para obter detalhes da API, consulte [DescribeRegions](https://docs.aws.amazon.com/goto/SdkForCpp/ec2-2016-11-15/DescribeRegions)a *Referência AWS SDK para C\$1\$1 da API*. 

------
#### [ CLI ]

**AWS CLI**  
**Exemplo 1: descrever todas as suas regiões habilitadas**  
O exemplo `describe-regions` a seguir descreve todas as regiões habilitadas para a sua conta.  

```
aws ec2 describe-regions
```
Saída:  

```
{
    "Regions": [
        {
            "Endpoint": "ec2.eu-north-1.amazonaws.com",
            "RegionName": "eu-north-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ap-south-1.amazonaws.com",
            "RegionName": "ap-south-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.eu-west-3.amazonaws.com",
            "RegionName": "eu-west-3",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.eu-west-2.amazonaws.com",
            "RegionName": "eu-west-2",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.eu-west-1.amazonaws.com",
            "RegionName": "eu-west-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ap-northeast-3.amazonaws.com",
            "RegionName": "ap-northeast-3",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ap-northeast-2.amazonaws.com",
            "RegionName": "ap-northeast-2",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ap-northeast-1.amazonaws.com",
            "RegionName": "ap-northeast-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.sa-east-1.amazonaws.com",
            "RegionName": "sa-east-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ca-central-1.amazonaws.com",
            "RegionName": "ca-central-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ap-southeast-1.amazonaws.com",
            "RegionName": "ap-southeast-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ap-southeast-2.amazonaws.com",
            "RegionName": "ap-southeast-2",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.eu-central-1.amazonaws.com",
            "RegionName": "eu-central-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.us-east-1.amazonaws.com",
            "RegionName": "us-east-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.us-east-2.amazonaws.com",
            "RegionName": "us-east-2",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.us-west-1.amazonaws.com",
            "RegionName": "us-west-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.us-west-2.amazonaws.com",
            "RegionName": "us-west-2",
            "OptInStatus": "opt-in-not-required"
        }
    ]
}
```
Para obter mais informações, consulte [Regiões e zonas](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html) no *Guia do usuário do Amazon EC2*.  
**Exemplo 2: para descrever as regiões habilitadas com um endpoint cujo nome contém uma string específica**  
O exemplo `describe-regions` a seguir descreve todas as regiões que você habilitou e que têm a string “us” no endpoint.  

```
aws ec2 describe-regions \
    --filters "Name=endpoint,Values=*us*"
```
Saída:  

```
{
    "Regions": [
        {
            "Endpoint": "ec2.us-east-1.amazonaws.com",
            "RegionName": "us-east-1"
        },
        {
            "Endpoint": "ec2.us-east-2.amazonaws.com",
            "RegionName": "us-east-2"
        },
        {
            "Endpoint": "ec2.us-west-1.amazonaws.com",
            "RegionName": "us-west-1"
        },
        {
            "Endpoint": "ec2.us-west-2.amazonaws.com",
            "RegionName": "us-west-2"
        }
    ]
}
```
Para obter mais informações, consulte [Regiões e zonas](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html) no *Guia do usuário do Amazon EC2*.  
**Exemplo 3: descrever todas as regiões**  
O exemplo `describe-regions` a seguir descreve todas as regiões disponíveis, incluindo as que estão desabilitadas.  

```
aws ec2 describe-regions \
    --all-regions
```
Saída:  

```
{
    "Regions": [
        {
            "Endpoint": "ec2.eu-north-1.amazonaws.com",
            "RegionName": "eu-north-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ap-south-1.amazonaws.com",
            "RegionName": "ap-south-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.eu-west-3.amazonaws.com",
            "RegionName": "eu-west-3",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.eu-west-2.amazonaws.com",
            "RegionName": "eu-west-2",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.eu-west-1.amazonaws.com",
            "RegionName": "eu-west-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ap-northeast-3.amazonaws.com",
            "RegionName": "ap-northeast-3",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.me-south-1.amazonaws.com",
            "RegionName": "me-south-1",
            "OptInStatus": "not-opted-in"
        },
        {
            "Endpoint": "ec2.ap-northeast-2.amazonaws.com",
            "RegionName": "ap-northeast-2",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ap-northeast-1.amazonaws.com",
            "RegionName": "ap-northeast-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.sa-east-1.amazonaws.com",
            "RegionName": "sa-east-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ca-central-1.amazonaws.com",
            "RegionName": "ca-central-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ap-east-1.amazonaws.com",
            "RegionName": "ap-east-1",
            "OptInStatus": "not-opted-in"
        },
        {
            "Endpoint": "ec2.ap-southeast-1.amazonaws.com",
            "RegionName": "ap-southeast-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.ap-southeast-2.amazonaws.com",
            "RegionName": "ap-southeast-2",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.eu-central-1.amazonaws.com",
            "RegionName": "eu-central-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.us-east-1.amazonaws.com",
            "RegionName": "us-east-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.us-east-2.amazonaws.com",
            "RegionName": "us-east-2",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.us-west-1.amazonaws.com",
            "RegionName": "us-west-1",
            "OptInStatus": "opt-in-not-required"
        },
        {
            "Endpoint": "ec2.us-west-2.amazonaws.com",
            "RegionName": "us-west-2",
            "OptInStatus": "opt-in-not-required"
        }
    ]
}
```
Para obter mais informações, consulte [Regiões e zonas](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html) no *Guia do usuário do Amazon EC2*.  
**Exemplo 4: listar somente os nomes das regiões**  
O exemplo `describe-regions` a seguir usa o parâmetro `--query` para filtrar a saída e retornar somente os nomes das regiões como texto.  

```
aws ec2 describe-regions \
    --all-regions \
    --query "Regions[].{Name:RegionName}" \
    --output text
```
Saída:  

```
eu-north-1
ap-south-1
eu-west-3
eu-west-2
eu-west-1
ap-northeast-3
ap-northeast-2
me-south-1
ap-northeast-1
sa-east-1
ca-central-1
ap-east-1
ap-southeast-1
ap-southeast-2
eu-central-1
us-east-1
us-east-2
us-west-1
us-west-2
```
Para obter mais informações, consulte [Regiões e zonas](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-regions-availability-zones.html) no *Guia do usuário do Amazon EC2*.  
+  Para obter detalhes da API, consulte [DescribeRegions](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ec2/describe-regions.html)em *Referência de AWS CLI Comandos*. 

------
#### [ JavaScript ]

**SDK para JavaScript (v3)**  
 Tem mais sobre GitHub. Encontre o exemplo completo e saiba como configurar e executar no [AWS Code Examples Repository](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/javascriptv3/example_code/ec2#code-examples). 

```
import { DescribeRegionsCommand, EC2Client } from "@aws-sdk/client-ec2";

/**
 * List all available AWS regions.
 * @param {{ regionNames: string[], includeOptInRegions: boolean }} options
 */
export const main = async ({ regionNames, includeOptInRegions }) => {
  const client = new EC2Client({});
  const command = new DescribeRegionsCommand({
    // By default this command will not show regions that require you to opt-in.
    // When AllRegions is true, even the regions that require opt-in will be returned.
    AllRegions: includeOptInRegions,
    // You can omit the Filters property if you want to get all regions.
    Filters: regionNames?.length
      ? [
          {
            Name: "region-name",
            // You can specify multiple values for a filter.
            // You can also use '*' as a wildcard. This will return all
            // of the regions that start with `us-east-`.
            Values: regionNames,
          },
        ]
      : undefined,
  });

  try {
    const { Regions } = await client.send(command);
    const regionsList = Regions.map((reg) => ` • ${reg.RegionName}`);
    console.log("Found regions:");
    console.log(regionsList.join("\n"));
  } catch (caught) {
    if (caught instanceof Error && caught.name === "DryRunOperation") {
      console.log(`${caught.message}`);
    } else {
      throw caught;
    }
  }
};
```
+  Para obter detalhes da API, consulte [DescribeRegions](https://docs.aws.amazon.com/AWSJavaScriptSDK/v3/latest/client/ec2/command/DescribeRegionsCommand)a *Referência AWS SDK para JavaScript da API*. 

------
#### [ PowerShell ]

**Ferramentas para PowerShell V4**  
**Exemplo 1: esse exemplo descreve as regiões que estão disponíveis para você.**  

```
Get-EC2Region
```
**Saída**:  

```
Endpoint                            RegionName
--------                            ----------
ec2.eu-west-1.amazonaws.com         eu-west-1
ec2.ap-southeast-1.amazonaws.com    ap-southeast-1
ec2.ap-southeast-2.amazonaws.com    ap-southeast-2
ec2.eu-central-1.amazonaws.com      eu-central-1
ec2.ap-northeast-1.amazonaws.com    ap-northeast-1
ec2.us-east-1.amazonaws.com         us-east-1
ec2.sa-east-1.amazonaws.com         sa-east-1
ec2.us-west-1.amazonaws.com         us-west-1
ec2.us-west-2.amazonaws.com         us-west-2
```
+  Para obter detalhes da API, consulte [DescribeRegions](https://docs.aws.amazon.com/powershell/v4/reference)em *Referência de Ferramentas da AWS para PowerShell cmdlet (V4)*. 

**Ferramentas para PowerShell V5**  
**Exemplo 1: esse exemplo descreve as regiões que estão disponíveis para você.**  

```
Get-EC2Region
```
**Saída**:  

```
Endpoint                            RegionName
--------                            ----------
ec2.eu-west-1.amazonaws.com         eu-west-1
ec2.ap-southeast-1.amazonaws.com    ap-southeast-1
ec2.ap-southeast-2.amazonaws.com    ap-southeast-2
ec2.eu-central-1.amazonaws.com      eu-central-1
ec2.ap-northeast-1.amazonaws.com    ap-northeast-1
ec2.us-east-1.amazonaws.com         us-east-1
ec2.sa-east-1.amazonaws.com         sa-east-1
ec2.us-west-1.amazonaws.com         us-west-1
ec2.us-west-2.amazonaws.com         us-west-2
```
+  Para obter detalhes da API, consulte [DescribeRegions](https://docs.aws.amazon.com/powershell/v5/reference)em *Referência de Ferramentas da AWS para PowerShell cmdlet (V5)*. 

------
#### [ Ruby ]

**SDK para Ruby**  
 Tem mais sobre GitHub. Encontre o exemplo completo e saiba como configurar e executar no [AWS Code Examples Repository](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/ruby/example_code/ec2#code-examples). 

```
require 'aws-sdk-ec2'

# @param ec2_client [Aws::EC2::Client] An initialized EC2 client.
# @example
#   list_regions_endpoints(Aws::EC2::Client.new(region: 'us-west-2'))
def list_regions_endpoints(ec2_client)
  result = ec2_client.describe_regions
  # Enable pretty printing.
  max_region_string_length = 16
  max_endpoint_string_length = 33
  # Print header.
  print 'Region'
  print ' ' * (max_region_string_length - 'Region'.length)
  print "  Endpoint\n"
  print '-' * max_region_string_length
  print '  '
  print '-' * max_endpoint_string_length
  print "\n"
  # Print Regions and their endpoints.
  result.regions.each do |region|
    print region.region_name
    print ' ' * (max_region_string_length - region.region_name.length)
    print '  '
    print region.endpoint
    print "\n"
  end
end

# Displays a list of Amazon Elastic Compute Cloud (Amazon EC2)
# Availability Zones available to you depending on the AWS Region
# of the Amazon EC2 client.
#
# @param ec2_client [Aws::EC2::Client] An initialized EC2 client.
# @example
#   list_availability_zones(Aws::EC2::Client.new(region: 'us-west-2'))
def list_availability_zones(ec2_client)
  result = ec2_client.describe_availability_zones
  # Enable pretty printing.
  max_region_string_length = 16
  max_zone_string_length = 18
  max_state_string_length = 9
  # Print header.
  print 'Region'
  print ' ' * (max_region_string_length - 'Region'.length)
  print '  Zone'
  print ' ' * (max_zone_string_length - 'Zone'.length)
  print "  State\n"
  print '-' * max_region_string_length
  print '  '
  print '-' * max_zone_string_length
  print '  '
  print '-' * max_state_string_length
  print "\n"
  # Print Regions, Availability Zones, and their states.
  result.availability_zones.each do |zone|
    print zone.region_name
    print ' ' * (max_region_string_length - zone.region_name.length)
    print '  '
    print zone.zone_name
    print ' ' * (max_zone_string_length - zone.zone_name.length)
    print '  '
    print zone.state
    # Print any messages for this Availability Zone.
    if zone.messages.count.positive?
      print "\n"
      puts '  Messages for this zone:'
      zone.messages.each do |message|
        print "    #{message.message}\n"
      end
    end
    print "\n"
  end
end

# Example usage:
def run_me
  region = ''
  # Print usage information and then stop.
  if ARGV[0] == '--help' || ARGV[0] == '-h'
    puts 'Usage:   ruby ec2-ruby-example-regions-availability-zones.rb REGION'
    # Replace us-west-2 with the AWS Region you're using for Amazon EC2.
    puts 'Example: ruby ec2-ruby-example-regions-availability-zones.rb us-west-2'
    exit 1
  # If no values are specified at the command prompt, use these default values.
  # Replace us-west-2 with the AWS Region you're using for Amazon EC2.
  elsif ARGV.count.zero?
    region = 'us-west-2'
  # Otherwise, use the values as specified at the command prompt.
  else
    region = ARGV[0]
  end

  ec2_client = Aws::EC2::Client.new(region: region)

  puts 'AWS Regions for Amazon EC2 that are available to you:'
  list_regions_endpoints(ec2_client)
  puts "\n\nAmazon EC2 Availability Zones that are available to you for AWS Region '#{region}':"
  list_availability_zones(ec2_client)
end

run_me if $PROGRAM_NAME == __FILE__
```
+  Para obter detalhes da API, consulte [DescribeRegions](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/DescribeRegions)a *Referência AWS SDK para Ruby da API*. 

------
#### [ Rust ]

**SDK para Rust**  
 Tem mais sobre GitHub. Encontre o exemplo completo e saiba como configurar e executar no [AWS Code Examples Repository](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/rustv1/examples/ec2#code-examples). 

```
async fn show_regions(client: &Client) -> Result<(), Error> {
    let rsp = client.describe_regions().send().await?;

    println!("Regions:");
    for region in rsp.regions() {
        println!("  {}", region.region_name().unwrap());
    }

    Ok(())
}
```
+  Para obter detalhes da API, consulte a [DescribeRegions](https://docs.rs/aws-sdk-ec2/latest/aws_sdk_ec2/client/struct.Client.html#method.describe_regions)referência da *API AWS SDK for Rust*. 

------
#### [ SAP ABAP ]

**SDK para SAP ABAP**  
 Tem mais sobre GitHub. Encontre o exemplo completo e saiba como configurar e executar no [AWS Code Examples Repository](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/sap-abap/services/ec2#code-examples). 

```
    TRY.
        oo_result = lo_ec2->describeregions( ).                        " oo_result is returned for testing purposes. "
        DATA(lt_regions) = oo_result->get_regions( ).
        MESSAGE 'Retrieved information about Regions.' TYPE 'I'.
      CATCH /aws1/cx_rt_service_generic INTO DATA(lo_exception).
        DATA(lv_error) = |"{ lo_exception->av_err_code }" - { lo_exception->av_err_msg }|.
        MESSAGE lv_error TYPE 'E'.
    ENDTRY.
```
+  Para obter detalhes da API, consulte a [DescribeRegions](https://docs.aws.amazon.com/sdk-for-sap-abap/v1/api/latest/index.html)referência da *API AWS SDK for SAP ABAP*. 

------

Para obter uma lista completa dos guias do desenvolvedor do AWS SDK e exemplos de código, consulte[Crie recursos do Amazon EC2 usando um AWS SDK](sdk-general-information-section.md). Este tópico também inclui informações sobre como começar e detalhes sobre versões anteriores do SDK.