我正在使用 CloudFormation 定义子网和 EC2 实例。我想为 EC2 实例分配特定的私有 IP 地址,并尝试使用如下资源定义来实现此目的。
当我尝试部署模板时,NetworkInterface 资源的创建失败并显示以下消息“地址在子网的保留地址范围内”。我试图解决这个问题,但没有取得进展。如何使用可应用于我的 EC2 实例的一系列私有 IP 地址定义我的子网?
Thanks.
Note:整个模板包含其他资源,因此我尝试将其缩减为重要组件,因此下面的内容故意不完整。
"SharedVPC": {
"Type": "AWS::EC2::VPC",
"Properties": {
"CidrBlock": "10.10.0.0/16",
"EnableDnsHostnames": true,
"EnableDnsSupport": true,
"InstanceTenancy": "default"
}
},
"SharedVPCPrivateSubnet1": {
"Type": "AWS::EC2::Subnet",
"Properties": {
"AvailabilityZone": "eu-west-1a",
"CidrBlock": "10.10.129.0/24",
"MapPublicIpOnLaunch": false,
"VpcId": {
"Ref": "SharedVPC"
}
}
},
"DbServerEC2Instance": {
"Type": "AWS::EC2::Instance",
"Properties": {
"KeyName": "WindowsEC2",
"InstanceType": "t2.micro",
"AvailabilityZone": "eu-west-1a",
"ImageId": {
"Ref": "DbServerEC2ImageAMI"
},
"IamInstanceProfile": {
"Ref": "EC2InstanceProfile"
},
"NetworkInterfaces": [{
"NetworkInterfaceId": {
"Ref": "DbServerEC2InstanceNetworkInterface"
},
"DeviceIndex" : "0"
}]
}
},
"DbServerEC2InstanceNetworkInterface": {
"Type": "AWS::EC2::NetworkInterface",
"Properties": {
"Description": "eth0",
"PrivateIpAddresses": [{
"PrivateIpAddress": "10.10.129.2",
"Primary": "true"
},
{
"PrivateIpAddress": "10.10.129.3",
"Primary": "false"
}
],
"SourceDestCheck": "true",
"SubnetId": {
"Ref": "SharedVPCPrivateSubnet1"
}
}
}