packer.json

{
  "variables": {
    "ami_name": "DockerInfraBase-CentOS-7-hvm",
    "description": "Docker on CentOS 7 accessible via /var/run/docker.sock.",
    "aws_access_key": "{{env `AWS_ACCESS_KEY_ID`}}",
    "aws_secret_key": "{{env `AWS_SECRET_ACCESS_KEY`}}"
  },
  "builders": [
    {
      "access_key": "{{user `aws_access_key`}}",
      "secret_key": "{{user `aws_secret_key`}}",
      "name": "ec2-us-west-2",
      "type": "amazon-ebs",
      "region": "us-west-2",
      "source_ami_filter": {
        "filters": {
          "virtualization-type": "hvm",
          "name": "CentOS Linux 7 x86_64 HVM EBS*",
          "root-device-type": "ebs"
        },
        "owners": ["679593333241"],
        "most_recent": true
        },
      "run_tags": {
        "Name": "Packer Builder - {{user `ami_name`}} {{isotime | clean_ami_name}}"
      },
      "ami_regions": ["us-east-1", "us-east-2"],
      "subnet_id": "subnet-3c975074",
      "instance_type": "t3.medium",
      "communicator": "ssh",
      "ssh_pty": true,
      "ssh_username": "centos",
      "ssh_timeout": "5m",
      "associate_public_ip_address": true,
      "ami_virtualization_type": "hvm",
      "ami_description": "{{user `description`}}",
      "ami_name": "{{user `ami_name`}} {{isotime | clean_ami_name}}",
      "tags": {
        "Name": "{{user `ami_name`}}"
      }
    }
  ],
  "provisioners": [
    {
      "type": "file",
      "source": "resources",
      "destination": "/tmp"
    },
    {
      "type": "shell",
      "start_retry_timeout": "10m",
      "inline": [
        "sleep 60",
        "sudo yum update -y",
        "sudo yum install -y yum-utils git",
        "sudo sed -i 's/^Defaults.*requiretty$/Defaults    !requiretty/' /etc/sudoers",
        "sudo mkdir -p /etc/docker",
        "sudo ls -ltR /tmp",
        "sudo mv /tmp/resources/daemon.json /etc/docker/daemon.json",
        "sudo chmod 600 /etc/docker/daemon.json",
        "sudo mv /tmp/resources/docker.audit.rules /etc/audit/rules.d/docker.rules",
        "sudo chmod 600 /etc/audit/rules.d/docker.rules",
        "sudo systemctl start auditd.service",
        "sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo",
        "sudo yum install -y yum-utils device-mapper-persistent-data lvm2",
        "sudo yum install -y docker-ce-18.09.2-3.el7",
        "sudo systemctl daemon-reload",
        "sudo systemctl enable docker",
        "sudo systemctl restart docker",
        "sudo docker -H unix:///var/run/docker.sock pull alpine",
        "sudo systemctl stop docker",
        "sudo rm -f /etc/docker/key.*",
        "sudo grep '\"icc\": false' /etc/docker/daemon.json",
        "sudo rm -rf /tmp/resources"
      ]
    }
  ],
  "post-processors": [
      {
        "type": "manifest"
      }
    ]
}