如何在 AWS CDK 中指定源安全组 ID?

How to specify source security group Id in AWS CDK?

您好,我正在研究 AWS CDK。我正在编写安全组模板。我能够在云形成中编写它。现在我在 AWS CDK 中编写它。我没有得到任何包含源安全组的例子。下面是我之前写的云层模板。

Resources:
  MerchWebServicesSecurityGroup:
    Type: "AWS::EC2::SecurityGroup"
    Properties:
      Tags:
        - Key: "Name"
          Value: !Ref "AWS::StackName"
      GroupDescription: "EC2 Services Security Group"
      VpcId:
        Fn::ImportValue: "infra-vpc-base::VpcId"
      SecurityGroupIngress:
        - IpProtocol: tcp
          FromPort: "80"
          ToPort: "80"
          SourceSecurityGroupId: !Ref MerchWebServicesLoadBalancerSecurityGroup
        - IpProtocol: tcp
          FromPort: "443"
          ToPort: "443"
          SourceSecurityGroupId: !Ref MerchWebServicesLoadBalancerSecurityGroup
        - IpProtocol: tcp
          FromPort: 31000
          ToPort: 65535
          SourceSecurityGroupId: !Ref MerchWebServicesLoadBalancerSecurityGroup

  MerchWebServicesLoadBalancerSecurityGroup:
    Type: "AWS::EC2::SecurityGroup"
    Properties:
      Tags:
        -
          Key: "Name"
          Value: !Ref "AWS::StackName"
      GroupDescription: "MerchWebServices ALB Group"
      VpcId:
        Fn::ImportValue: "infra-vpc-base::VpcId"
      SecurityGroupIngress:
        - IpProtocol: tcp
          FromPort: 80
          ToPort: 80
          CidrIp: '172.30.1.0/15'

在上面的模板中,我创建了 SG MerchWebServicesSecurityGroup,并将 SourceSecurityGroupId 指定为另一个 SG MerchWebServicesLoadBalancerSecurityGroup。

        #create SG MerchWebServicesLoadBalancerSecurityGroup
        mws_vpc_sg_alb  = ec2.SecurityGroup(self,"MerchWebServicesLoadBalancerSecurityGroup",
        description = "MerchWebServices ALB Group",
        security_group_name = "MerchWebServicesLoadBalancerSecurityGroup",
        vpc= vpc);

        mws_vpc_sg_alb.add_ingress_rule(peer = ec2.Peer.ipv4('172.30.0.0/15'), connection = ec2.Port.tcp(80));

        #create SG MerchWebServicesSecurityGroup
        mws_vpc_sg = ec2.SecurityGroup(self,"MerchWebServicesSecurityGroup",
        description="EC2 Services Security Group",
        security_group_name="MerchWebServicesSecurityGroup",
        vpc = vpc);
        mws_vpc_sg.add_ingress_rule(peer = ec2.Peer.ipv4(mws_vpc_sg_alb), connection = ec2.Port.tcp(80));

在上面的代码中,我尝试创建 SG MerchWebServicesSecurityGroup,下面我添加入口规则

mws_vpc_sg.add_ingress_rule(peer = ec2.Peer.ipv4(mws_vpc_sg_alb), connection = ec2.Port.tcp(80));

这里我不想指定 Cidr 块,而是想指定 SourceSecurityGroupId。在 AWS CDK 中,我不确定如何使用 Ref 和包含 SourceSecurityGroupId。有人可以帮我完成这个吗?任何帮助,将不胜感激。谢谢

ec2.SecurityGroup实现了IPeer接口,因此安全组本身可以作为peer使用。

mws_vpc_sg_alb.add_ingress_rule(
     peer=mws_vpc_sg_alb,
     connection=ec2.Port.tcp(80),
     description='ALB access'
)