Packer 사용하는 법

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Packer 설치

wget -O- https://apt.releases.hashicorp.com/gpg | gpg --dearmor | sudo tee /usr/share/keyrings/hashicorp-archive-keyring.gpg

echo "deb [signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg] https://apt.releases.hashicorp.com $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/hashicorp.list

sudo apt update && sudo apt install packer

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각종 packer 실행 파일

variables.pkr.hcl

variable "image_filter" {
  type    = string
  default = "ubuntu/images/*ubuntu-focal-20.04-amd64-server-*"
}

variable "ssh_account" {
  type    = string
  default = "ubuntu"
}

variables.auto.pkvars.hcl

image_filter_name = "ubuntu/images/*ubuntu-focal-20.04-amd64-server-*"

aws-linux.pkr.hcl

packer {
  required_plugins {
    amazon = {
      version = ">= 0.0.2"
      source  = "github.com/hashicorp/amazon"
    }
  }
}

source "amazon-ebs" "linux" {
  access_key = "AKI******"
  secret_key = "1Oo******"
  region     = "ap-northeast-2"
  profile    = "default"

  ami_name      = "jenkins"
  instance_type = "t2.medium"
  source_ami_filter {
    filters = {
      name                = var.image_filter
      root-device-type    = "ebs"
      virtualization-type = "hvm"
    }
    most_recent = true
    owners      = ["099720109477"]
  }
  ssh_username = var.ssh_account
  #force_deregister = true
}

build {
  name = "jenkins"
  sources = [
    "source.amazon-ebs.linux"
  ]

  provisioner "ansible" {
    playbook_file = "./jenkins_build.yaml"
    extra_arguments = [
      "--become",
    ]
    ansible_env_vars = [
      "ANSIBLE_HOST_KEY_CHECKING=False",
    ]
  }
}

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플레이북

jenkins_build.yaml

- hosts: default

  tasks:
    - shell: sudo apt-get update
      ignore_errors: yes
    - shell: sudo apt install -y openjdk-11-jdk
    - shell: curl -fsSL https://pkg.jenkins.io/debian-stable/jenkins.io.key | sudo tee /usr/share/keyrings/jenkins-keyring.asc > /dev/null
    - shell: echo "deb [signed-by=/usr/share/keyrings/jenkins-keyring.asc] https://pkg.jenkins.io/debian-stable binary/" | sudo tee /etc/apt/sources.list.d/jenkins.list > /dev/null
    - shell: sudo apt-get update
      ignore_errors: yes
    - command: apt install -y fontconfig jenkins
    - command: apt install -y maven
    - command: apt install -y ca-certificates curl gnupg lsb-release
    - command: apt install -y python3-pip
    - shell: curl https://get.docker.com | sh
    - shell: usermod -aG docker ubuntu
    - pip:
        name:
          - docker
          - docker-compose
    - command: apt install -y ansible
    - command: apt install -y python3-pip
    - shell: sed -i 's/PasswordAuthentication no/PasswordAuthentication yes/g' /etc/ssh/sshd_config
    - shell: pip install openshift==0.11
    - shell: echo 'ubuntu:ubuntu' | chpasswd
    - shell: sudo systemctl restart ssh
    - shell: mkdir /home/ubuntu/.kube
    - shell: curl -LO https://dl.k8s.io/release/v1.22.8/bin/linux/amd64/kubectl
    - shell: sudo install kubectl /usr/local/bin/

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Packer 명령어

packer init .

packer fmt .

packer validate .

packer build .

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