### Autogenerated by dhcp_server.py ###

# For options please consult the following website:
# https://www.isc.org/wp-content/uploads/2017/08/dhcp43options.html
#
# log-facility local7;
{% if hostfile_update is vyos_defined %}
on release {
    set ClientName = pick-first-value(host-decl-name, option fqdn.hostname, option host-name);
    set ClientIp = binary-to-ascii(10, 8, ".",leased-address);
    execute("/usr/libexec/vyos/system/on-dhcp-event.sh", "release", "", ClientIp, "", "");
}
on expiry {
    set ClientName = pick-first-value(host-decl-name, option fqdn.hostname, option host-name);
    set ClientIp = binary-to-ascii(10, 8, ".",leased-address);
    execute("/usr/libexec/vyos/system/on-dhcp-event.sh", "release", "", ClientIp, "", "");
}
{% endif %}

{{ 'use-host-decl-names on;' if host_decl_name is vyos_defined }}
ddns-update-style {{ 'interim' if dynamic_dns_update is vyos_defined else 'none' }};
option rfc3442-static-route code 121 = array of integer 8;
option windows-static-route code 249 = array of integer 8;
option wpad-url code 252 = text;
option rfc8925-ipv6-only-preferred code 108 = unsigned integer 32;

# Vendor specific options - Ubiquiti Networks
option space ubnt;
option ubnt.unifi-controller code 1 = ip-address;
class "ubnt" {
    match if substring (option vendor-class-identifier , 0, 4) = "ubnt";
    option vendor-class-identifier "ubnt";
    vendor-option-space ubnt;
}

{% if global_parameters is vyos_defined %}
# The following {{ global_parameters | length }} line(s) have been added as
# global-parameters in the CLI and have not been validated !!!
{%     for parameter in global_parameters %}
{{ parameter }}
{%     endfor %}

{% endif %}
{% if high_availability is vyos_defined %}
# DHCP HA configuration
{%     set split_value = '256' if high_availability.mode == 'active-passive' else '128' %}
failover peer "{{ high_availability.name }}" {
{%     if high_availability.status == 'primary' %}
    primary;
    mclt 1800;
    split {{ split_value }};
{%     elif high_availability.status == 'secondary' %}
    secondary;
{%     endif %}
    address {{ high_availability.source_address }};
    port 647;
    peer address {{ high_availability.remote }};
    peer port 647;
    max-response-delay 30;
    max-unacked-updates 10;
    load balance max seconds 3;
}
{% endif %}
{% if listen_address is vyos_defined %}

# DHCP server serving relay subnet, we need a connector to the real world
{%     for address in listen_address %}
# Connected subnet statement for listen-address {{ address }}
subnet {{ address | network_from_ipv4 }} netmask {{ address | netmask_from_ipv4 }} { }
{%     endfor %}
{% endif %}

# Shared network configration(s)
{% if shared_network_name is vyos_defined %}
{%     for network, network_config in shared_network_name.items() if network_config.disable is not vyos_defined %}
shared-network {{ network }} {
{%         if network_config.authoritative is vyos_defined %}
    authoritative;
{%         endif %}
{%         if network_config.name_server is vyos_defined %}
    option domain-name-servers {{ network_config.name_server | join(', ') }};
{%         endif %}
{%         if network_config.domain_name is vyos_defined %}
    option domain-name "{{ network_config.domain_name }}";
{%         endif %}
{%         if network_config.domain_search is vyos_defined %}
    option domain-search "{{ network_config.domain_search | join('", "') }}";
{%         endif %}
{%         if network_config.ntp_server is vyos_defined %}
    option ntp-servers {{ network_config.ntp_server | join(', ') }};
{%         endif %}
{%         if network_config.ping_check is vyos_defined %}
    ping-check true;
{%         endif %}
{%         if network_config.shared_network_parameters is vyos_defined %}
    # The following {{ network_config.shared_network_parameters | length }} line(s)
    # were added as shared-network-parameters in the CLI and have not been validated
{%             for parameter in network_config.shared_network_parameters %}
    {{ parameter }}
{%             endfor %}
{%         endif %}
{%         if network_config.subnet is vyos_defined %}
{%             for subnet, subnet_config in network_config.subnet.items() %}
{%                 if subnet_config.description is vyos_defined %}
    # {{ subnet_config.description }}
{%                 endif %}
    subnet {{ subnet | address_from_cidr }} netmask {{ subnet | netmask_from_cidr }} {
{%                 if subnet_config.name_server is vyos_defined %}
        option domain-name-servers {{ subnet_config.name_server | join(', ') }};
{%                 endif %}
{%                 if subnet_config.domain_name is vyos_defined %}
        option domain-name "{{ subnet_config.domain_name }}";
{%                 endif %}
{%                 if subnet_config.domain_search is vyos_defined %}
        option domain-search "{{ subnet_config.domain_search | join('", "') }}";
{%                 endif %}
{%                 if subnet_config.ntp_server is vyos_defined %}
        option ntp-servers {{ subnet_config.ntp_server | join(', ') }};
{%                 endif %}
{%                 if subnet_config.pop_server is vyos_defined %}
        option pop-server {{ subnet_config.pop_server | join(', ') }};
{%                 endif %}
{%                 if subnet_config.smtp_server is vyos_defined %}
        option smtp-server {{ subnet_config.smtp_server | join(', ') }};
{%                 endif %}
{%                 if subnet_config.time_server is vyos_defined %}
        option time-servers {{ subnet_config.time_server | join(', ') }};
{%                 endif %}
{%                 if subnet_config.wins_server is vyos_defined %}
        option netbios-name-servers {{ subnet_config.wins_server | join(', ') }};
{%                 endif %}
{%                 if subnet_config.ipv6_only_preferred is vyos_defined %}
        option rfc8925-ipv6-only-preferred {{ subnet_config.ipv6_only_preferred }};
{%                 endif %}
{%                 if subnet_config.static_route is vyos_defined %}
{%                     set static_default_route = '' %}
{%                     if subnet_config.default_router is vyos_defined %}
{%                         set static_default_route = ', ' ~ '0.0.0.0/0' | isc_static_route(subnet_config.default_router) %}
{%                     endif %}
{%                     if subnet_config.static_route is vyos_defined %}
{%                         set rfc3442_routes = [] %}
{%                         for route, route_options in subnet_config.static_route.items() %}
{%                             set rfc3442_routes = rfc3442_routes.append(route | isc_static_route(route_options.next_hop)) %}
{%                         endfor %}
        option rfc3442-static-route {{ rfc3442_routes | join(', ') }}{{ static_default_route }};
        option windows-static-route {{ rfc3442_routes | join(', ') }};
{%                     endif %}
{%                 endif %}
{%                 if subnet_config.ip_forwarding is vyos_defined %}
        option ip-forwarding true;
{%                 endif %}
{%                 if subnet_config.default_router is vyos_defined %}
        option routers {{ subnet_config.default_router }};
{%                 endif %}
{%                 if subnet_config.server_identifier is vyos_defined %}
        option dhcp-server-identifier {{ subnet_config.server_identifier }};
{%                 endif %}
{%                 if subnet_config.subnet_parameters is vyos_defined %}
        # The following {{ subnet_config.subnet_parameters | length }} line(s) were added as
        # subnet-parameters in the CLI and have not been validated!!!
{%                     for parameter in subnet_config.subnet_parameters %}
        {{ parameter }}
{%                     endfor %}
{%                 endif %}
{%                 if subnet_config.tftp_server_name is vyos_defined %}
        option tftp-server-name "{{ subnet_config.tftp_server_name }}";
{%                 endif %}
{%                 if subnet_config.bootfile_name is vyos_defined %}
        option bootfile-name "{{ subnet_config.bootfile_name }}";
        filename "{{ subnet_config.bootfile_name }}";
{%                 endif %}
{%                 if subnet_config.bootfile_server is vyos_defined %}
        next-server {{ subnet_config.bootfile_server }};
{%                 endif %}
{%                 if subnet_config.bootfile_size is vyos_defined %}
        option boot-size {{ subnet_config.bootfile_size }};
{%                 endif %}
{%                 if subnet_config.time_offset is vyos_defined %}
        option time-offset {{ subnet_config.time_offset }};
{%                 endif %}
{%                 if subnet_config.wpad_url is vyos_defined %}
        option wpad-url "{{ subnet_config.wpad_url }}";
{%                 endif %}
{%                 if subnet_config.client_prefix_length is vyos_defined %}
        option subnet-mask {{ ('0.0.0.0/' ~ subnet_config.client_prefix_length) | netmask_from_cidr }};
{%                 endif %}
{%                 if subnet_config.lease is vyos_defined %}
        default-lease-time {{ subnet_config.lease }};
        max-lease-time {{ subnet_config.lease }};
{%                 endif %}
{%                 if network_config.ping_check is not vyos_defined and subnet_config.ping_check is vyos_defined %}
        ping-check true;
{%                 endif %}
{%                 if subnet_config.static_mapping is vyos_defined %}
{%                     for host, host_config in subnet_config.static_mapping.items() if host_config.disable is not vyos_defined %}
        host {{ host | replace('_','-') if host_decl_name is vyos_defined else network | replace('_','-') ~ '_' ~ host | replace('_','-') }} {
{%                         if host_config.ip_address is vyos_defined %}
            fixed-address {{ host_config.ip_address }};
{%                         endif %}
            hardware ethernet {{ host_config.mac_address }};
{%                         if host_config.static_mapping_parameters is vyos_defined %}
            # The following {{ host_config.static_mapping_parameters | length }} line(s) were added
            # as static-mapping-parameters in the CLI and have not been validated
{%                             for parameter in host_config.static_mapping_parameters %}
            {{ parameter }}
{%                             endfor %}
{%                         endif %}
        }
{%                     endfor %}
{%                 endif %}
{%                 if subnet_config.vendor_option.ubiquiti.unifi_controller is vyos_defined %}
        option ubnt.unifi-controller {{ subnet_config.vendor_option.ubiquiti.unifi_controller }};
{%                 endif %}
{%                 if subnet_config.range is vyos_defined %}
{#           pool configuration can only be used if there follows a range option #}
        pool {
{%                 endif %}
{%                 if subnet_config.enable_failover is vyos_defined %}
            failover peer "{{ high_availability.name }}";
            deny dynamic bootp clients;
{%                 endif %}
{%                 if subnet_config.range is vyos_defined %}
{%                     for range, range_options in subnet_config.range.items() %}
            range {{ range_options.start }} {{ range_options.stop }};
{%                     endfor %}
{%                 endif %}
{%                 if subnet_config.range is vyos_defined %}
{#           pool configuration can only be used if there follows a range option #}
        }
{%                 endif %}
    }
{%             endfor %}
{%         endif %}
    on commit {
        set shared-networkname = "{{ network }}";
{%         if hostfile_update is vyos_defined %}
        set ClientIp = binary-to-ascii(10, 8, ".", leased-address);
        set ClientMac = binary-to-ascii(16, 8, ":", substring(hardware, 1, 6));
        set ClientName = pick-first-value(host-decl-name, option fqdn.hostname, option host-name, "empty_hostname");
        if not (ClientName = "empty_hostname") {
            set ClientDomain = pick-first-value(config-option domain-name, "..YYZ!");
            execute("/usr/libexec/vyos/system/on-dhcp-event.sh", "commit", ClientName, ClientIp, ClientMac, ClientDomain);
        } else {
            log(concat("Hostname is not defined for client with IP: ", ClientIP, " MAC: ", ClientMac));
        }
{%         endif %}
    }
}

{%     endfor %}
{% endif %}