infra/roles/dhcp/templates/dhcpd.conf

option domain-name "{{stack.domain}}";
option domain-name-servers {% for ns in stack.nameservers %}{{ns}}{% if not loop.last%},{%endif%}{%endfor%};

{% if dhcp.bind_address is defined %}
local-address {{dhcp.bind_address}};
{% endif %}

default-lease-time 600;
max-lease-time 7200;

ddns-update-style none;

authoritative;

class "vms" {
  match if substring (option vendor-class-identifier, 0, 4) = "SUNW";
}

class "pxe" {
  match if substring (option vendor-class-identifier, 0, 9) = "PXEClient";
}

class "ipph" {
  match if (option vendor-class-identifier = "ccp.avaya.com"
    or option vendor-class-identifier = "ATA186"
    or substring (option vendor-class-identifier, 0, 28) = "Cisco Systems, Inc. IP Phone");
}

option option-66 code 66 = text;

{% if dhcp.network_ranges is defined %}
{% for start_net, opts in dhcp.network_ranges.iteritems() %}
{% set nets = start_net | net_range_to_list(opts.count) %}

{% for n in nets %}
{% set addr = n.split('/')[0] %}
{% set mask = n|ipaddr('netmask') %}
{% set fto  = n.split('.')[:3] | join('.') %}
{% set range = fto ~ "." ~ opts.ip_range_start ~ " " ~ fto ~ "." ~ opts.ip_range_end %}
subnet {{addr}} netmask {{n|ipaddr('netmask')}} {
  option routers {{fto}}.{{opts.default_last_octet}};
  option domain-name-servers {{opts.nameservers|join(',')}};
  pool {
    range {{range}}; 
  }
}
{% endfor %}
{% endfor %}
{% endif %}

{% if dhcp.networks is defined %}
{% for addr,net in dhcp.networks.iteritems() %}
{% if net.hosts is defined %}
{% for h in net.hosts %}
host {{net.vlan}}-{{h.name}} {
  hardware ethernet {{h.mac}};
  fixed-address {{h.ipv4}};
}
{% endfor %}
{% endif %}

subnet {{addr.split('/')[0]}} netmask {{addr|ipaddr('netmask')}} {
  option routers {{net.default}};
  option domain-name-servers {{net.nameservers|join(',')}};
{% if "bootp" in net.keys() %}
  option option-66 "{{net.bootp.tftp}}/yealink/";
{% endif %}
{% if "pxe" in net.keys() %}
  next-server {{net.pxe['next-server']}};
  filename "{{net.pxe.filename}}";
{% endif %}
  pool {
    range {{net.range}};
  }
}
{% endfor %}
{% endif %}