Пример #1
0
    def is_this_vendor(self, host, credential):
        """
        Determine if the hostname is accociated witH this vendor.
        This example will use snmp sysDescr OID ,regex to extract
        the vendor's name ,and then compare with self.name variable.

        :param host: swtich's IP address
        :param credential: credential to access switch
        """
        if not utils.valid_ip_format(host):
            #invalid ip address
            return False

        if "Version" not in credential or "Community" not in credential:
            # The format of credential is incompatible with this vendor
            error_msg = "[huawei]Missing 'Version' or 'Community' in %r"
            logging.error(error_msg, credential)
            return False
        sys_info = utils.snmp_get(host, credential, "sysDescr.0")

        if not sys_info:
            return False

        if re.search(r"\b" + re.escape(self.__name) + r"\b", sys_info.lower()):
            return True

        return False
Пример #2
0
    def is_this_vendor(self, host, credential):
        """
        Determine if the hostname is accociated witH this vendor.
        This example will use snmp sysDescr OID ,regex to extract
        the vendor's name ,and then compare with self.name variable.

        :param host: swtich's IP address
        :param credential: credential to access switch
        """
        if not utils.valid_ip_format(host):
            #invalid ip address
            return False

        if "Version" not in credential or "Community" not in credential:
            # The format of credential is incompatible with this vendor
            error_msg = "[huawei]Missing 'Version' or 'Community' in %r"
            logging.error(error_msg, credential)
            return False
        sys_info = utils.snmp_get(host, credential, "sysDescr.0")

        if not sys_info:
            return False

        if re.search(r"\b" + re.escape(self.__name) + r"\b", sys_info.lower()):
            return True

        return False
Пример #3
0
    def get_vendor(self, host, credential):
        """Check and get vendor of the switch.

        :param host: switch ip:
        :param credential: credential to access switch
        :return a tuple (vendor, switch_state, error)
        """

        # Returen appliance plugin once we see 127.0.0.1 ass switch ip
        if host == '127.0.0.1':
            return ("appliance", "Found", "")

        # TODO(grace): Why do we need to have valid IP?
        # a hostname should also work.
        if not utils.valid_ip_format(host):
            logging.error("host '%s' is not valid IP address!", host)
            return (None, ERROR, "Invalid IP address %s!" % host)

        if not utils.is_valid_snmp_v2_credential(credential):
            logging.debug("******The credential %s of host %s cannot "
                          "be used for either SNMP v2 or SSH*****",
                          credential, host)
            return (None, ERROR, "Invalid credential")

        sys_info, err = self.get_sys_info(host, credential)
        if not sys_info:
            return (None, UNREACHABLE, err)

        # List all vendors in vendors directory -- a directory but hidden
        # under ../vendors
        all_vendors = [o for o in os.listdir(self.vendors_dir)
                       if os.path.isdir(os.path.join(self.vendors_dir, o))
                       and re.match(r'^[^\.]', o)]

        logging.debug("[get_vendor][available vendors]: %s ", all_vendors)
        logging.debug("[get_vendor] System Information is [%s]", sys_info)

        # TODO(grace): should not conver to lower. The vendor impl can choose
        # to do case-insensitive match
        # sys_info = sys_info.lower()
        vendor = None
        for vname in all_vendors:
            vpath = os.path.join(self.vendors_dir, vname)
            instance = utils.load_module(vname, vpath)
            if not instance:
                logging.error('no instance %s load from %s', vname, vpath)
                continue

            if instance.is_this_vendor(sys_info):
                logging.info("[get_vendor]****Found vendor '%s'****", vname)
                vendor = vname
                break

        if not vendor:
            logging.debug("[get_vendor] No vendor found! <==================")
            return (None, NOTSUPPORTED, "Not supported switch vendor!")

        return (vendor, "Found", "")