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Use DisassociateAddress
com um AWS SDK ou CLI
Os exemplos de código a seguir mostram como usar o DisassociateAddress
.
Exemplos de ações são trechos de código de programas maiores e devem ser executados em contexto. É possível ver essa ação no contexto no seguinte exemplo de código:
- .NET
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- AWS SDK for .NET
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nota
Tem mais sobre GitHub. Encontre o exemplo completo e saiba como configurar e executar no Repositório de exemplos de código da AWS
. /// <summary> /// Disassociate an Elastic IP address from an EC2 instance. /// </summary> /// <param name="associationId">The association Id.</param> /// <returns>A Boolean value indicating the success of the action.</returns> public async Task<bool> DisassociateIp(string associationId) { try { var response = await _amazonEC2.DisassociateAddressAsync( new DisassociateAddressRequest { AssociationId = associationId }); return response.HttpStatusCode == HttpStatusCode.OK; } catch (AmazonEC2Exception ec2Exception) { if (ec2Exception.ErrorCode == "InvalidAssociationID.NotFound") { _logger.LogError( $"AssociationId is invalid, unable to disassociate address. {ec2Exception.Message}"); } return false; } catch (Exception ex) { _logger.LogError( $"An error occurred while disassociating the Elastic IP.: {ex.Message}"); return false; } }
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Para API obter detalhes, consulte DisassociateAddressem AWS SDK for .NET APIReferência.
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- Bash
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- AWS CLI com script Bash
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nota
Tem mais sobre GitHub. Encontre o exemplo completo e saiba como configurar e executar no Repositório de exemplos de código da AWS
. ############################################################################### # function ec2_disassociate_address # # This function disassociates an Elastic IP address from an Amazon Elastic Compute Cloud (Amazon EC2) instance. # # Parameters: # -a association_id - The association ID that represents the association of the Elastic IP address with an instance. # # And: # 0 - If successful. # 1 - If it fails. # ############################################################################### function ec2_disassociate_address() { local association_id response # Function to display usage information function usage() { echo "function ec2_disassociate_address" echo "Disassociates an Elastic IP address from an Amazon Elastic Compute Cloud (Amazon EC2) instance." echo " -a association_id - The association ID that represents the association of the Elastic IP address with an instance." echo "" } # Parse the command-line arguments while getopts "a:h" option; do case "${option}" in a) association_id="${OPTARG}" ;; h) usage return 0 ;; \?) echo "Invalid parameter" usage return 1 ;; esac done export OPTIND=1 # Validate the input parameters if [[ -z "$association_id" ]]; then errecho "ERROR: You must provide an association ID with the -a parameter." return 1 fi response=$(aws ec2 disassociate-address \ --association-id "$association_id") || { aws_cli_error_log ${?} errecho "ERROR: AWS reports disassociate-address operation failed." errecho "$response" return 1 } return 0 }
As funções utilitárias usadas neste exemplo.
############################################################################### # function errecho # # This function outputs everything sent to it to STDERR (standard error output). ############################################################################### function errecho() { printf "%s\n" "$*" 1>&2 } ############################################################################## # function aws_cli_error_log() # # This function is used to log the error messages from the AWS CLI. # # The function expects the following argument: # $1 - The error code returned by the AWS CLI. # # Returns: # 0: - Success. # ############################################################################## function aws_cli_error_log() { local err_code=$1 errecho "Error code : $err_code" if [ "$err_code" == 1 ]; then errecho " One or more S3 transfers failed." elif [ "$err_code" == 2 ]; then errecho " Command line failed to parse." elif [ "$err_code" == 130 ]; then errecho " Process received SIGINT." elif [ "$err_code" == 252 ]; then errecho " Command syntax invalid." elif [ "$err_code" == 253 ]; then errecho " The system environment or configuration was invalid." elif [ "$err_code" == 254 ]; then errecho " The service returned an error." elif [ "$err_code" == 255 ]; then errecho " 255 is a catch-all error." fi return 0 }
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Para API obter detalhes, consulte DisassociateAddressna Referência de AWS CLI Comandos.
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- CLI
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- AWS CLI
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Para desassociar um endereço IP elástico em EC2 -Classic
Este exemplo dissocia um endereço IP elástico de uma instância em EC2 -Classic. Se o comando for bem-sucedido, nenhuma saída será retornada.
Comando:
aws ec2 disassociate-address --public-ip
198.51.100.0
Para desassociar um endereço IP elástico em EC2 - VPC
Este exemplo dissocia um endereço IP elástico de uma instância em um. VPC Se o comando for bem-sucedido, nenhuma saída será retornada.
Comando:
aws ec2 disassociate-address --association-id
eipassoc-2bebb745
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Para API obter detalhes, consulte DisassociateAddress
na Referência de AWS CLI Comandos.
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- Java
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- SDKpara Java 2.x
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nota
Tem mais sobre GitHub. Encontre o exemplo completo e saiba como configurar e executar no Repositório de exemplos de código da AWS
. /** * Disassociates an Elastic IP address from an instance asynchronously. * * @param associationId The ID of the association you want to disassociate. * @return a {@link CompletableFuture} representing the asynchronous operation of disassociating the address. The * {@link CompletableFuture} will complete with a {@link DisassociateAddressResponse} when the operation is * finished. * @throws RuntimeException if the disassociation of the address fails. */ public CompletableFuture<DisassociateAddressResponse> disassociateAddressAsync(String associationId) { Ec2AsyncClient ec2 = getAsyncClient(); DisassociateAddressRequest addressRequest = DisassociateAddressRequest.builder() .associationId(associationId) .build(); // Disassociate the address asynchronously. CompletableFuture<DisassociateAddressResponse> response = ec2.disassociateAddress(addressRequest); response.whenComplete((resp, ex) -> { if (ex != null) { throw new RuntimeException("Failed to disassociate address", ex); } }); return response; }
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Para API obter detalhes, consulte DisassociateAddressem AWS SDK for Java 2.x APIReferência.
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- JavaScript
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- SDKpara JavaScript (v3)
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nota
Tem mais sobre GitHub. Encontre o exemplo completo e saiba como configurar e executar no Repositório de exemplos de código da AWS
. import { DisassociateAddressCommand, EC2Client } from "@aws-sdk/client-ec2"; /** * Disassociate an Elastic IP address from an instance. * @param {{ associationId: string }} options */ export const main = async ({ associationId }) => { const client = new EC2Client({}); const command = new DisassociateAddressCommand({ // You can also use PublicIp, but that is for EC2 classic which is being retired. AssociationId: associationId, }); try { await client.send(command); console.log("Successfully disassociated address"); } catch (caught) { if ( caught instanceof Error && caught.name === "InvalidAssociationID.NotFound" ) { console.warn(`${caught.message}.`); } else { throw caught; } } };
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Para API obter detalhes, consulte DisassociateAddressem AWS SDK for JavaScript APIReferência.
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- Kotlin
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- SDKpara Kotlin
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nota
Tem mais sobre GitHub. Encontre o exemplo completo e saiba como configurar e executar no Repositório de exemplos de código da AWS
. suspend fun disassociateAddressSc(associationIdVal: String?) { val addressRequest = DisassociateAddressRequest { associationId = associationIdVal } Ec2Client { region = "us-west-2" }.use { ec2 -> ec2.disassociateAddress(addressRequest) println("You successfully disassociated the address!") } }
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Para API obter detalhes, consulte a DisassociateAddress
referência AWS SDKdo Kotlin API.
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- PowerShell
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- Ferramentas para PowerShell
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Exemplo 1: Este exemplo dissocia o endereço IP elástico especificado da instância especificada em um. VPC
Unregister-EC2Address -AssociationId eipassoc-12345678
Exemplo 2: Este exemplo dissocia o endereço IP elástico especificado da instância especificada em EC2 -Classic.
Unregister-EC2Address -PublicIp 203.0.113.17
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Para API obter detalhes, consulte DisassociateAddressem Referência de AWS Tools for PowerShell cmdlet.
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- Python
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- SDKpara Python (Boto3)
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nota
Tem mais sobre GitHub. Encontre o exemplo completo e saiba como configurar e executar no Repositório de exemplos de código da AWS
. class ElasticIpWrapper: """Encapsulates Amazon Elastic Compute Cloud (Amazon EC2) Elastic IP address actions using the client interface.""" class ElasticIp: """Represents an Elastic IP and its associated instance.""" def __init__( self, allocation_id: str, public_ip: str, instance_id: Optional[str] = None ) -> None: """ Initializes the ElasticIp object. :param allocation_id: The allocation ID of the Elastic IP. :param public_ip: The public IP address of the Elastic IP. :param instance_id: The ID of the associated EC2 instance, if any. """ self.allocation_id = allocation_id self.public_ip = public_ip self.instance_id = instance_id def __init__(self, ec2_client: Any) -> None: """ Initializes the ElasticIpWrapper with an EC2 client. :param ec2_client: A Boto3 Amazon EC2 client. This client provides low-level access to AWS EC2 services. """ self.ec2_client = ec2_client self.elastic_ips: List[ElasticIpWrapper.ElasticIp] = [] @classmethod def from_client(cls) -> "ElasticIpWrapper": """ Creates an ElasticIpWrapper instance with a default EC2 client. :return: An instance of ElasticIpWrapper initialized with the default EC2 client. """ ec2_client = boto3.client("ec2") return cls(ec2_client) def disassociate(self, allocation_id: str) -> None: """ Removes an association between an Elastic IP address and an instance. When the association is removed, the instance is assigned a new public IP address. :param allocation_id: The allocation ID of the Elastic IP to disassociate. :raises ClientError: If the disassociation fails, such as when the association ID is not found. """ elastic_ip = self.get_elastic_ip_by_allocation(self.elastic_ips, allocation_id) if elastic_ip is None or elastic_ip.instance_id is None: logger.info( f"No association found for Elastic IP with allocation ID {allocation_id}." ) return try: # Retrieve the association ID before disassociating response = self.ec2_client.describe_addresses(AllocationIds=[allocation_id]) association_id = response["Addresses"][0].get("AssociationId") if association_id: self.ec2_client.disassociate_address(AssociationId=association_id) elastic_ip.instance_id = None # Remove the instance association else: logger.info( f"No Association ID found for Elastic IP with allocation ID {allocation_id}." ) except ClientError as err: if err.response["Error"]["Code"] == "InvalidAssociationID.NotFound": logger.error( f"Failed to disassociate Elastic IP {allocation_id} " "because the specified association ID for the Elastic IP address was not found. " "Verify the association ID and ensure the Elastic IP is currently associated with a " "resource before attempting to disassociate it." ) raise
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Para API obter detalhes, consulte a DisassociateAddressReferência AWS SDK do Python (Boto3). API
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- Rust
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- SDKpara Rust
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nota
Tem mais sobre GitHub. Encontre o exemplo completo e saiba como configurar e executar no Repositório de exemplos de código da AWS
. pub async fn disassociate_ip_address(&self, association_id: &str) -> Result<(), EC2Error> { self.client .disassociate_address() .association_id(association_id) .send() .await?; Ok(()) }
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Para API obter detalhes, consulte DisassociateAddress
a AWS SDKAPIreferência do Rust.
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Para obter uma lista completa de guias do AWS SDK desenvolvedor e exemplos de código, consulteCrie EC2 recursos da Amazon usando um AWS SDK. Este tópico também inclui informações sobre como começar e detalhes sobre SDK versões anteriores.