glabrun.json

{
    "variables": {
        "proxmox_api": "",
        "usr": "",
        "pwd": "",
        "node": "",
        "iso_file":"cephfs:iso/ubuntu-20.04-live-server-amd64.iso",
        "iso_storage_pool":"ci",
        "iso_checksum_type":"sha256",
        "iso_checksum":"112f1838b17be4f7e73ab15b3204e382daf315136ec0c7b2b84e5f2a8a272532",
        "pool":""
    },
    "builders": [
        {
            "type":"proxmox",
            "proxmox_url": "{{ user `proxmox_api` }}",
            "insecure_skip_tls_verify": true,
            "node": "{{ user `node` }}",
            "disks": [
                {
                    "type": "scsi",
                    "disk_size": "10G",
                    "storage_pool": "disk00",
                    "storage_pool_type": "directory",
                    "format": "raw"
                }
            ],
            "iso_file":"cephfs:iso/ubuntu-20.04-live-server-amd64.iso",
            "iso_storage_pool":"ci",
            "iso_checksum":"112f1838b17be4f7e73ab15b3204e382daf315136ec0c7b2b84e5f2a8a272532",
            "network_adapters": [
                {
                    "model": "virtio",
                    "bridge": "vmbr0"
                }
            ],
            "pool": "{{ user `pool` }}",
            "onboot": true,
            "scsi_controller": "virtio-scsi-single",
            "ssh_username": "root",
            "ssh_timeout": "15m",
            "ssh_password": "packer",
            "template_name": "grunner",
            "unmount_iso": true,
            "username": "{{user `usr`}}",
            "password": "{{user `pwd`}}"
        }
    ],
    "provisioners": [
        {
            "type": "shell",
            "script": "glabinst.sh"
        }
    ]
}