packer-infrastructure/amazon-ebs-builder/CentOS7-base.json at master · dwp/packer-infrastructure · GitHub

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{
  "description": "AMI Builder for CentOS 7 EC2",
  "variables": {
    "aws_access_key": "",
    "aws_secret_key": "",
    "region": "eu-west-2",
    "vpc_id": "vpc-XXXXXX",
    "subnet_id": "subnet-XXXXXX",
    "owner_name": "XXXXXX",
    "type": "base",
    "os_name": "centos",
    "os_version": "7",
    "volume_size": "20G",
    "name": "Base CentOS 7",
		"description": "Resized & Patched Official CentOS 7 Image"
  },

  "builders": [{
      "type": "amazon-ebs",
      "region": "{{user `aws_region`}}",
      "instance_type": "t2.micro",
      "vpc_id": "{{user `vpc_id`}}",
      "subnet_id": "{{user `subnet_id`}}",
      "ami_name": "{{user `owner_name`}}-{{user `os_name`}}-{{user `os_version`}}-{{user `type`}}-{{isotime \"2006-01-02-030405\" | clean_ami_name}}",
      "ami_description": "{{user `type`}} CentOS Linux 7 x86_64 HVM EBS (encrypted) {{isotime \"20060102\"}}",
      "source_ami_filter": {
          "filters": {
              "name": "CentOS Linux 7 x86_64 HVM EBS*",
              "owner-alias": "aws-marketplace",
              "virtualization-type": "hvm"
            },
          "most_recent": true
        },

      "ami_block_device_mappings": [
        {
          "device_name": "/dev/sda1",
          "volume_type": "gp2",
          "volume_size": "{{user `volume_size`}}",
          "encrypted": true,
          "delete_on_termination": true
        }
      ],
      "ami_virtualization_type": "hvm",
      "ssh_username": "centos",
      "ssh_pty": true,
      "associate_public_ip_address": false
          }],

  "provisioners": [{
    "type": "shell",
    "inline": [
      "sudo yum clean all",
      "sudo yum update -y",
      "sudo yum clean all"
    ]
  }]
}