files = {
    '/etc/dhcp/dhcpd.conf': {
        'content_type': 'mako',
        'context': {
            'dhcp_config': node.metadata['dhcpd'],
        },
        'needs': {
            'pkg_apt:isc-dhcp-server'
        },
        'triggers': {
            'svc_systemd:isc-dhcp-server:restart',
        },
    },
    '/etc/default/isc-dhcp-server': {
        'content_type': 'mako',
        'context': {
            # Set by our own metadata reactor. Guaranteed to exist.
            'listen_interfaces': node.metadata['dhcpd']['listen_interfaces'],
        },
        'needs': {
            'pkg_apt:isc-dhcp-server'
        },
        'triggers': {
            'svc_systemd:isc-dhcp-server:restart',
        },
    },
}

actions = {
    # needed for dhcp-lease-list
    'dhcpd_download_oui.txt': {
        'command': 'wget http://standards-oui.ieee.org/oui.txt -O /usr/local/etc/oui.txt',
        'unless': 'test -f /usr/local/etc/oui.txt',
    },
}

svc_systemd = {
    'isc-dhcp-server': {
        'needs': {
            'pkg_apt:isc-dhcp-server',
            'file:/etc/dhcp/dhcpd.conf',
            'file:/etc/default/isc-dhcp-server',
        },
    },
}