文档 AWS SDK 示例 GitHub 存储库中还有更多 [S AWS DK 示例](https://github.com/awsdocs/aws-doc-sdk-examples)。 本文属于机器翻译版本。若本译文内容与英语原文存在差异，则一律以英文原文为准。 # `CreateSubnet`与 AWS SDK 或 CLI 配合使用 以下代码示例演示如何使用 `CreateSubnet`。 操作示例是大型程序的代码摘录，必须在上下文中运行。您可以在以下代码示例中查看此操作的上下文： + [创建具有私有子网和 NAT 网关的 VPC](ec2_example_vpc_GettingStartedPrivate_section.md) + [开始使用 Amazon VPC](ec2_example_vpc_GettingStartedCLI_section.md) + [中转网关入门](ec2_example_vpc_TransitGatewayGettingStarted_section.md) ------ #### [ CLI ] **AWS CLI** **示例 1：创建仅包含 IPv4 CIDR 块的子网** 以下`create-subnet`示例使用指定 IPv4 CIDR 块在指定 VPC 中创建子网。 ``` aws ec2 create-subnet \ --vpc-id vpc-081ec835f3EXAMPLE \ --cidr-block 10.0.0.0/24 \ --tag-specifications ResourceType=subnet,Tags=[{Key=Name,Value=my-ipv4-only-subnet}] ``` 输出： ``` { "Subnet": { "AvailabilityZone": "us-west-2a", "AvailabilityZoneId": "usw2-az2", "AvailableIpAddressCount": 251, "CidrBlock": "10.0.0.0/24", "DefaultForAz": false, "MapPublicIpOnLaunch": false, "State": "available", "SubnetId": "subnet-0e99b93155EXAMPLE", "VpcId": "vpc-081ec835f3EXAMPLE", "OwnerId": "123456789012", "AssignIpv6AddressOnCreation": false, "Ipv6CidrBlockAssociationSet": [], "Tags": [ { "Key": "Name", "Value": "my-ipv4-only-subnet" } ], "SubnetArn": "arn:aws:ec2:us-west-2:123456789012:subnet/subnet-0e99b93155EXAMPLE" } } ``` **示例 2：创建同时包含 IPv4 和 IPv6 CIDR 块的子网** 以下`create-subnet`示例使用指定的 IPv4 和 IPv6 CIDR 块在指定 VPC 中创建一个子网。 ``` aws ec2 create-subnet \ --vpc-id vpc-081ec835f3EXAMPLE \ --cidr-block 10.0.0.0/24 \ --ipv6-cidr-block 2600:1f16:cfe:3660::/64 \ --tag-specifications ResourceType=subnet,Tags=[{Key=Name,Value=my-ipv4-ipv6-subnet}] ``` 输出： ``` { "Subnet": { "AvailabilityZone": "us-west-2a", "AvailabilityZoneId": "usw2-az2", "AvailableIpAddressCount": 251, "CidrBlock": "10.0.0.0/24", "DefaultForAz": false, "MapPublicIpOnLaunch": false, "State": "available", "SubnetId": "subnet-0736441d38EXAMPLE", "VpcId": "vpc-081ec835f3EXAMPLE", "OwnerId": "123456789012", "AssignIpv6AddressOnCreation": false, "Ipv6CidrBlockAssociationSet": [ { "AssociationId": "subnet-cidr-assoc-06c5f904499fcc623", "Ipv6CidrBlock": "2600:1f13:cfe:3660::/64", "Ipv6CidrBlockState": { "State": "associating" } } ], "Tags": [ { "Key": "Name", "Value": "my-ipv4-ipv6-subnet" } ], "SubnetArn": "arn:aws:ec2:us-west-2:123456789012:subnet/subnet-0736441d38EXAMPLE" } } ``` **示例 3：创建仅包含 IPv6 CIDR 块的子网** 以下`create-subnet`示例使用指定 IPv6 CIDR 块在指定 VPC 中创建子网。 ``` aws ec2 create-subnet \ --vpc-id vpc-081ec835f3EXAMPLE \ --ipv6-native \ --ipv6-cidr-block 2600:1f16:115:200::/64 \ --tag-specifications ResourceType=subnet,Tags=[{Key=Name,Value=my-ipv6-only-subnet}] ``` 输出： ``` { "Subnet": { "AvailabilityZone": "us-west-2a", "AvailabilityZoneId": "usw2-az2", "AvailableIpAddressCount": 0, "DefaultForAz": false, "MapPublicIpOnLaunch": false, "State": "available", "SubnetId": "subnet-03f720e7deEXAMPLE", "VpcId": "vpc-081ec835f3EXAMPLE", "OwnerId": "123456789012", "AssignIpv6AddressOnCreation": true, "Ipv6CidrBlockAssociationSet": [ { "AssociationId": "subnet-cidr-assoc-01ef639edde556709", "Ipv6CidrBlock": "2600:1f13:cfe:3660::/64", "Ipv6CidrBlockState": { "State": "associating" } } ], "Tags": [ { "Key": "Name", "Value": "my-ipv6-only-subnet" } ], "SubnetArn": "arn:aws:ec2:us-west-2:123456789012:subnet/subnet-03f720e7deEXAMPLE" } } ``` 有关更多信息，请参阅 *Amazon VPC 用户指南*中的[VPCs 和子网](https://docs.aws.amazon.com/vpc/latest/userguide/VPC_Subnets.html)。 + 有关 API 的详细信息，请参阅*AWS CLI 命令参考[CreateSubnet](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ec2/create-subnet.html)*中的。 ------ #### [ PowerShell ] **适用于 PowerShell V4 的工具** **示例 1：此示例使用指定的 CIDR 创建子网。** ``` New-EC2Subnet -VpcId vpc-12345678 -CidrBlock 10.0.0.0/24 ``` **输出**： ``` AvailabilityZone : us-west-2c AvailableIpAddressCount : 251 CidrBlock : 10.0.0.0/24 DefaultForAz : False MapPublicIpOnLaunch : False State : pending SubnetId : subnet-1a2b3c4d Tag : {} VpcId : vpc-12345678 ``` + 有关 API 的详细信息，请参阅 *AWS Tools for PowerShell Cmdlet 参考 (V* 4) [CreateSubnet](https://docs.aws.amazon.com/powershell/v4/reference)中的。 **适用于 PowerShell V5 的工具** **示例 1：此示例使用指定的 CIDR 创建子网。** ``` New-EC2Subnet -VpcId vpc-12345678 -CidrBlock 10.0.0.0/24 ``` **输出**： ``` AvailabilityZone : us-west-2c AvailableIpAddressCount : 251 CidrBlock : 10.0.0.0/24 DefaultForAz : False MapPublicIpOnLaunch : False State : pending SubnetId : subnet-1a2b3c4d Tag : {} VpcId : vpc-12345678 ``` + 有关 API 的详细信息，请参阅 *AWS Tools for PowerShell Cmdlet 参考 (V* 5) [CreateSubnet](https://docs.aws.amazon.com/powershell/v5/reference)中的。 ------ #### [ Ruby ] **适用于 Ruby 的 SDK** 还有更多相关信息 GitHub。在 [AWS 代码示例存储库](https://github.com/awsdocs/aws-doc-sdk-examples/tree/main/ruby/example_code/ec2#code-examples)中查找完整示例，了解如何进行设置和运行。 ``` require 'aws-sdk-ec2' # Creates a subnet within a virtual private cloud (VPC) in # Amazon Virtual Private Cloud (Amazon VPC) and then tags # the subnet. # # Prerequisites: # # - A VPC in Amazon VPC. # # @param ec2_resource [Aws::EC2::Resource] An initialized # Amazon Elastic Compute Cloud (Amazon EC2) resource object. # @param vpc_id [String] The ID of the VPC for the subnet. # @param cidr_block [String] The IPv4 CIDR block for the subnet. # @param availability_zone [String] The ID of the Availability Zone # for the subnet. # @param tag_key [String] The key portion of the tag for the subnet. # @param tag_vlue [String] The value portion of the tag for the subnet. # @return [Boolean] true if the subnet was created and tagged; # otherwise, false. # @example # exit 1 unless subnet_created_and_tagged?( # Aws::EC2::Resource.new(region: 'us-west-2'), # 'vpc-6713dfEX', # '10.0.0.0/24', # 'us-west-2a', # 'my-key', # 'my-value' # ) def subnet_created_and_tagged?( ec2_resource, vpc_id, cidr_block, availability_zone, tag_key, tag_value ) subnet = ec2_resource.create_subnet( vpc_id: vpc_id, cidr_block: cidr_block, availability_zone: availability_zone ) subnet.create_tags( tags: [ { key: tag_key, value: tag_value } ] ) puts "Subnet created with ID '#{subnet.id}' in VPC with ID '#{vpc_id}' " \ "and CIDR block '#{cidr_block}' in availability zone " \ "'#{availability_zone}' and tagged with key '#{tag_key}' and " \ "value '#{tag_value}'." true rescue StandardError => e puts "Error creating or tagging subnet: #{e.message}" false end # Example usage: def run_me vpc_id = '' cidr_block = '' availability_zone = '' tag_key = '' tag_value = '' region = '' # Print usage information and then stop. if ARGV[0] == '--help' || ARGV[0] == '-h' puts 'Usage: ruby ec2-ruby-example-create-subnet.rb ' \ 'VPC_ID CIDR_BLOCK AVAILABILITY_ZONE TAG_KEY TAG_VALUE REGION' # Replace us-west-2 with the AWS Region you're using for Amazon EC2. puts 'Example: ruby ec2-ruby-example-create-subnet.rb ' \ 'vpc-6713dfEX 10.0.0.0/24 us-west-2a my-key my-value us-west-2' exit 1 # If no values are specified at the command prompt, use these default values. elsif ARGV.count.zero? vpc_id = 'vpc-6713dfEX' cidr_block = '10.0.0.0/24' availability_zone = 'us-west-2a' tag_key = 'my-key' tag_value = 'my-value' # Replace us-west-2 with the AWS Region you're using for Amazon EC2. region = 'us-west-2' # Otherwise, use the values as specified at the command prompt. else vpc_id = ARGV[0] cidr_block = ARGV[1] availability_zone = ARGV[2] tag_key = ARGV[3] tag_value = ARGV[4] region = ARGV[5] end ec2_resource = Aws::EC2::Resource.new(region: region) if subnet_created_and_tagged?( ec2_resource, vpc_id, cidr_block, availability_zone, tag_key, tag_value ) puts 'Subnet created and tagged.' else puts 'Subnet not created or not tagged.' end end run_me if $PROGRAM_NAME == __FILE__ ``` + 有关 API 的详细信息，请参阅 *适用于 Ruby 的 AWS SDK API 参考[CreateSubnet](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/CreateSubnet)*中的。 ------