hashicorp/agent-skills

aws-ami-builder

Build Amazon Machine Images (AMIs) with Packer using the amazon-ebs builder.

소스 보기

사용 방법

  1. 설치 명령을 복사하고 자신의 에이전트 환경에 설치하기 전에 소스 패키지를 확인하세요.
  2. 필요한 도구, 인증 정보, 지원 환경은 원본 문서에서 확인하세요.
  3. 입력과 원하는 산출물을 설명하고 출처와 결과를 대조하세요.
npx skills add https://github.com/hashicorp/agent-skills --skill aws-ami-builder

시작 전 확인

  • 설치에는 모델 구독, API 한도, 파일 접근 권한이 포함되지 않습니다.
  • 별점 수와 설치 수는 활동 지표이며 독립적인 품질·보안 검증이 아닙니다.
원본 Skill 문서

원본 저장소의 제목, 예시, 코드, 표, 링크, 이미지를 유지해 표시합니다.

AWS AMI Builder

Build Amazon Machine Images (AMIs) using Packer's amazon-ebs builder.

Reference: Amazon EBS Builder

Note: Building AMIs incurs AWS costs (EC2 instances, EBS storage, data transfer). Builds typically take 10-30 minutes depending on provisioning complexity.

Basic AMI Template

hcl
packer {
  required_plugins {
    amazon = {
      source  = "github.com/hashicorp/amazon"
      version = "~> 1.3"
    }
  }
}

variable "region" {
  type    = string
  default = "us-west-2"
}

locals {
  timestamp = regex_replace(timestamp(), "[- TZ:]", "")
}

source "amazon-ebs" "ubuntu" {
  region        = var.region
  instance_type = "t3.micro"

  source_ami_filter {
    filters = {
      name                = "ubuntu/images/*ubuntu-jammy-22.04-amd64-server-*"
      root-device-type    = "ebs"
      virtualization-type = "hvm"
    }
    most_recent = true
    owners      = ["099720109477"] # Canonical
  }

  ssh_username = "ubuntu"
  ami_name     = "my-app-${local.timestamp}"

  tags = {
    Name      = "my-app"
    BuildDate = local.timestamp
  }
}

build {
  sources = ["source.amazon-ebs.ubuntu"]

  provisioner "shell" {
    inline = [
      "sudo apt-get update",
      "sudo apt-get upgrade -y",
    ]
  }
}

Common Source AMI Filters

Ubuntu 22.04 LTS

hcl
source_ami_filter {
  filters = {
    name                = "ubuntu/images/*ubuntu-jammy-22.04-amd64-server-*"
    root-device-type    = "ebs"
    virtualization-type = "hvm"
  }
  most_recent = true
  owners      = ["099720109477"] # Canonical
}

Amazon Linux 2023

hcl
source_ami_filter {
  filters = {
    name                = "al2023-ami-*-x86_64"
    root-device-type    = "ebs"
    virtualization-type = "hvm"
  }
  most_recent = true
  owners      = ["amazon"]
}

Multi-Region AMI

hcl
source "amazon-ebs" "ubuntu" {
  region        = "us-west-2"
  instance_type = "t3.micro"

  source_ami_filter {
    filters = {
      name = "ubuntu/images/*ubuntu-jammy-22.04-amd64-server-*"
    }
    most_recent = true
    owners      = ["099720109477"]
  }

  ssh_username = "ubuntu"
  ami_name     = "my-app-${local.timestamp}"

  # Copy to additional regions
  ami_regions = ["us-east-1", "us-east-2", "eu-west-1"]
}

Authentication

Packer uses AWS credential resolution:

  1. Environment variables: AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY
  2. AWS credentials file: ~/.aws/credentials
  3. IAM instance profile (when running on EC2)
bash
export AWS_ACCESS_KEY_ID="your-access-key"
export AWS_SECRET_ACCESS_KEY="your-secret-key"
export AWS_REGION="us-west-2"

packer build .

Build Commands

bash
# Initialize plugins
packer init .

# Validate template
packer validate .

# Build AMI
packer build .

# Build with variables
packer build -var "region=us-east-1" .

Common Issues

SSH Timeout

  • Ensure security group allows SSH (port 22)
  • Verify subnet has internet access

AMI Already Exists

  • AMI names must be unique
  • Use timestamp in name: my-app-${local.timestamp}

Volume Size Too Small

  • Check source AMI's volume size
  • Set launch_block_device_mappings.volume_size accordingly

References

관련 작업

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