当由 CloudFormation 模板创建时，EC2 实例状态检查失败

Question

我在 us-east-1 和 ap-south-1 区域使用以下模板创建了 CloudFormation 堆栈

AWSTemplateFormatVersion: "2010-09-09"
Description: Template for node-aws-ec2-github-actions tutorial
Resources:
  InstanceSecurityGroup:
    Type: AWS::EC2::SecurityGroup
    Properties:
      GroupDescription: Sample Security Group
      SecurityGroupIngress:
      - IpProtocol: tcp
        FromPort: 80
        ToPort: 80
        CidrIp: 0.0.0.0/0
      - IpProtocol: tcp
        FromPort: 443
        ToPort: 443
        CidrIp: 0.0.0.0/0
      - IpProtocol: tcp
        FromPort: 22
        ToPort: 22
        CidrIp: 0.0.0.0/0
  EC2Instance: 
    Type: "AWS::EC2::Instance"
    Properties: 
      ImageId: "ami-0d2986f2e8c0f7d01" #Another comment -- This is a Linux AMI
      InstanceType: t2.micro
      KeyName: node-ec2-github-actions-key
      SecurityGroups:
      - Ref: InstanceSecurityGroup
      BlockDeviceMappings:
      - DeviceName: /dev/sda1
        Ebs:
          VolumeSize: 8
          DeleteOnTermination: true
      Tags:
        - Key: Name
          Value: Node-Ec2-Github-Actions

  EIP:
      Type: AWS::EC2::EIP
      Properties:
        InstanceId: !Ref EC2Instance
Outputs:
  InstanceId:
    Description: InstanceId of the newly created EC2 instance
    Value:
      Ref: EC2Instance
  PublicIP:
    Description: Elastic IP 
    Value:
      Ref: EIP

Stack执行成功，所有资源创建完毕。但不幸的是，一旦初始化 EC2 状态检查，实例状态检查就会失败，我无法使用 SSH 访问实例。

我试过由同一个 IAM 用户手动创建一个实例，效果很好。

这些是我附加到 IAM 用户的策略。

托管策略

AmazonEC2FullAccess
AWSCloudFormationFullAccess

内联政策

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "VisualEditor0",
            "Effect": "Allow",
            "Action": [
                "iam:CreateInstanceProfile",
                "iam:DeleteInstanceProfile",
                "iam:GetRole",
                "iam:GetInstanceProfile",
                "iam:DeleteRolePolicy",
                "iam:RemoveRoleFromInstanceProfile",
                "iam:CreateRole",
                "iam:DeleteRole",
                "iam:UpdateRole",
                "iam:PutRolePolicy",
                "iam:AddRoleToInstanceProfile"
            ],
            "Resource": "*"
        },
        {
            "Sid": "VisualEditor1",
            "Effect": "Allow",
            "Action": [
                "s3:PutObject",
                "s3:GetObject",
                "s3:ListAllMyBuckets",
                "s3:CreateBucket",
                "s3:DeleteObject",
                "s3:DeleteBucket"
            ],
            "Resource": "*"
        }
    ]
}

在此先感谢您的帮助。祝你有美好的一天

Answer 1

回答我自己的问题。问题在于 EBS 块存储设备名称。对于此处指定的 Amazon Linux AMI，设备名称应为 /dev/xvda/

BlockDeviceMappings:
   - DeviceName: /dev/xvda
     Ebs:
       VolumeSize: 8
       DeleteOnTermination: true

感谢大家的帮助

当由 CloudFormation 模板创建时，EC2 实例状态检查失败

EC2 Instance Status Check fails when created by CloudFormation template

yaml

amazon-ec2

amazon-web-services

amazon-cloudformation