template.json

{
  "variables": {
    "build_name": "cosmic_systemvm_template"
  },
  "builders": [
    {
      "type": "qemu",
      "iso_url": "http://ftp.tudelft.nl/centos.org/7/isos/x86_64/CentOS-7-x86_64-Minimal-2009.iso",
      "iso_checksum": "07b94e6b1a0b0260b94c83d6bb76b26bf7a310dc78d7a9c7432809fb9bc6194a",
      "output_directory": "packer_output",
      "ssh_wait_timeout": "15m",
      "shutdown_command": "systemctl poweroff",
      "disk_size": "10240",
      "format": "qcow2",
      "accelerator": "kvm",
      "headless": true,
      "qemu_binary": "/usr/libexec/qemu-kvm",
      "qemuargs": [
        [
          "-smp",
          "4"
        ],
        [
          "-m",
          "1024M"
        ]
      ],
      "http_directory": "httpdir",
      "http_port_min": 10082,
      "http_port_max": 10089,
      "host_port_min": 2222,
      "host_port_max": 2229,
      "ssh_username": "root",
      "ssh_password": "password",
      "ssh_port": 22,
      "vm_name": "cosmic-systemvm",
      "net_device": "virtio-net",
      "disk_interface": "virtio-scsi",
      "disk_cache": "unsafe",
      "disk_discard": "unmap",
      "disk_compression": true,
      "boot_command": [
        "<tab> text ks=http://{{ .HTTPIP }}:{{ .HTTPPort }}/kickstart/centos7.ks<enter><wait>"
      ]
    }
  ],
  "provisioners": [
    {
      "type": "file",
      "source": "files/systemd/",
      "destination": "/usr/lib/systemd/system"
    },
    {
      "type": "shell",
      "inline": [
        "systemctl enable cosmic-patch-scripts",
        "systemctl enable cosmic-generic-startup-hook",
        "systemctl enable cosmic-generic-startup-hook.path",
        "systemctl enable tmp.mount",
        "systemctl enable keepalived",
        "systemctl enable conntrackd",
        "systemctl enable iptables",
        "systemctl enable strongswan",
        "systemctl enable dnsmasq",
        "systemctl enable nginx",
        "mkdir -p /var/cache/cloud",
        "mkdir -p /opt/cosmic/startup"
      ]
    },
    {
      "type": "shell",
      "inline": [
        "for s in rpcbind.socket rpc-gssd rpcidmapd rpc-rquotad rpc-statd rpc-statd-notify rpcbind.service; do systemctl stop $s; systemctl disable $s; done"
      ]
    },
    {
      "type": "file",
      "source": "files/startup/",
      "destination": "/opt/cosmic/startup"
    },
    {
      "type": "shell",
      "scripts": [
        "scripts/release_signature.sh",
        "scripts/ssh.sh",
        "scripts/qemu-ga-blacklist.sh",
        "scripts/conntrack.sh"
      ],
      "execute_command": "bash '{{.Path}}'"
    },
    {
      "type": "shell",
      "inline": [
        "fstrim -v /"
      ]
    }
  ]
}