packer-ec2-build-kernel.json

{
  "builders": [
    {
      "name": "kernel-ami",
      "region": "eu-west-1",
      "type": "amazon-ebs",
      "ami_name": "kernel-ami/images/hvm-ebs/kernel-ami--{{isotime \"20060102T150405\"}}",
      "sriov_support" : true,
      "instance_type": "c5.9xlarge",
      "temporary_key_pair_type": "ed25519",
      "skip_create_ami": true,
      "subnet_filter": {
        "most_free": true,
        "random": true
      },
      "source_ami_filter": {
        "filters": {
          "architecture": "x86_64",
          "name": "*ubuntu-*-22.04-amd64-server-*",
          "root-device-type": "ebs",
          "virtualization-type": "hvm",
          "state": "available"
        },
        "owners": [ "099720109477" ],
        "most_recent": true
      },
      "launch_block_device_mappings": [
        {
          "device_name": "/dev/sda1",
          "volume_size": "100",
          "volume_type": "gp2",
          "delete_on_termination": true
        }
      ],
      "shutdown_behavior": "terminate",
      "ssh_username": "ubuntu",
      "ssh_timeout": "5m"
    }
  ],

  "provisioners": [
    {
      "type": "shell",
      "inline": [
        "while [ ! -f /var/lib/cloud/instance/boot-finished ]; do echo 'Waiting for cloud-init...'; sleep 1; done"
      ]
    },
    {
      "type": "shell",
      "inline": [
        "sudo sed -i '/deb-src/s/^# //' /etc/apt/sources.list",
        "sudo apt-get update",
        "sudo apt-get -y dist-upgrade",
        "sudo apt-get -y build-dep linux",
        "sudo apt-get -y install wget",
        "wget https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.2.2.tar.xz",
        "tar -xf linux-6.2.2.tar.xz"
      ]
    },
    {
      "type": "file",
      "source": "disable-dbg-deb.patch",
      "destination": "disable-dbg-deb.patch"
    },
    {
      "type": "file",
      "source": "linux-6.2.2/.config",
      "destination": "linux-6.2.2/.config"
    },
    {
      "type": "file",
      "source": "kernel-signing.key",
      "destination": "linux-6.2.2/certs/signing_key.pem"
    },
    {
      "type": "shell",
      "inline": [
        "patch -p1 < disable-dbg-deb.patch",
        "cd linux-6.2.2",
        "ls -la .",
        "make clean",
        "make -j 128 deb-pkg",
        "ls -la ../",
        "mkdir ../deb/",
        "mv ../*.deb ../deb/"
      ]
    },
    {
      "type": "file",
      "source": "./deb/",
      "destination": "./",
      "direction": "download"
    }
  ]
}