homelab/metal/roles/pxe-server/templates/dhcpd.conf.j2

option space pxelinux;
option pxelinux.magic code 208 = string;
option pxelinux.configfile code 209 = text;
option pxelinux.pathprefix code 210 = text;
option pxelinux.reboottime code 211 = unsigned integer 32;
option architecture-type code 93 = unsigned integer 16;

{% for item in groups['metal'] %}
host {{ hostvars[item]['inventory_hostname'] }} {
    hardware ethernet {{ hostvars[item]['mac'] }};
    option host-name "{{ hostvars[item]['inventory_hostname'] }}";
}
{% endfor %}

subnet {{ subnet }} netmask {{ netmask }} {
    option routers {{ gateway }};
    option domain-name-servers {{ nameserver }};
    option domain-name "{{ domain }}";
    range {{ subnet | ansible.utils.ipmath(3) }} {{ subnet | ansible.utils.ipmath(254) }};

    class "pxeclients" {
        match if substring (option vendor-class-identifier, 0, 9) = "PXEClient";
        next-server {{ ansible_default_ipv4.address }};

        if option architecture-type = 00:07 {
            filename "grubx64.efi";
        }
    }
}