Synnefo » snf-nfdhcpd

# Configuration file specification (see configobj documentation)

CONFIG_SPEC = """

[general]

pidfile = string()

datapath = string()

logdir = string()

user = string()

[dhcp]

enable_dhcp = boolean(default=True)

lease_lifetime = integer(min=0, max=4294967295)

lease_renewal = integer(min=0, max=4294967295)

server_ip = ip_addr()

dhcp_queue = integer(min=0, max=65535)

nameservers = ip_addr_list(family=4)

[ipv6]

enable_ipv6 = boolean(default=True)

ra_period = integer(min=1, max=4294967295)

rs_queue = integer(min=0, max=65535)

ns_queue = integer(min=0, max=65535)

nameservers = ip_addr_list(family=6)

"""

    from cStringIO import StringIO

    from configobj import ConfigObj, flatten_errors

    import validate

    validator = validate.Validator()

    def is_ip_list(value, family=4):

        try:

            family = int(family)

        except ValueError:

            raise vaildate.VdtParamError(family)

        if isinstance(value, (str, unicode)):

            value = [value]

        if not isinstance(value, list):

            raise validate.VdtTypeError(value)

        for entry in value:

            try:

                ip = IPy.IP(entry)

            except ValueError:

                raise validate.VdtValueError(entry)

            if ip.version() != family:

                raise validate.VdtValueError(entry)

        return value

    validator.functions["ip_addr_list"] = is_ip_list

    config_spec = StringIO(CONFIG_SPEC)

        config = ConfigObj(opts.config_file, configspec=config_spec)

    results = config.validate(validator)

    if results != True:

        logging.fatal("Configuration file validation failed! See errors below:")

        for (section_list, key, _) in flatten_errors(config, results):

            if key is not None:

                logging.fatal(" '%s' in section '%s' failed validation" % (key, ", ".join(section_list)))

            else:

                logging.fatal(" Section '%s' is missing" % ", ".join(section_list))

        sys.exit(1)