from typing import Union, Dict, Any
from csle_common.dao.emulation_config.container_network import ContainerNetwork
from csle_common.util.general_util import GeneralUtil
from csle_base.json_serializable import JSONSerializable
[docs]class DefaultNetworkFirewallConfig(JSONSerializable):
"""
DTO representing a default firewall configuration
"""
def __init__(self, ip: Union[str, None], default_gw: Union[str, None], default_input: str, default_output: str,
default_forward: str, network: ContainerNetwork):
"""
Initializes the DTO
:param ip: the ip associated to the network
:param default_gw: the default gateway for the network
:param default_input: the default input policy for the network
:param default_output: the default output policy for the network
:param default_forward: the default forward policy for the network
:param network: the network configuraiton
"""
self.ip = ip
self.default_gw = default_gw
self.default_input = default_input
self.default_output = default_output
self.default_forward = default_forward
self.network = network
[docs] @staticmethod
def from_dict(d: Dict[str, Any]) -> "DefaultNetworkFirewallConfig":
"""
Converts a dict representation to an instance
:param d: the dict to convert
:return: the created instance
"""
obj = DefaultNetworkFirewallConfig(
ip=d["ip"], default_gw=d["default_gw"], default_input=d["default_input"],
default_output=d["default_output"], default_forward=d["default_forward"],
network=ContainerNetwork.from_dict(d["network"]))
return obj
[docs] def to_dict(self) -> Dict[str, Any]:
"""
Converts the object to a dict representation
:return: a dict representation of the object
"""
d: Dict[str, Any] = {}
d["ip"] = self.ip
d["default_gw"] = self.default_gw
d["default_input"] = self.default_input
d["default_output"] = self.default_output
d["default_forward"] = self.default_forward
d["network"] = self.network.to_dict()
return d
def __str__(self) -> str:
"""
:return: a string representation of the object
"""
return f"ip:{self.ip}, default_gw:{self.default_gw}, default_input:{self.default_input}, " \
f"default_output:{self.default_output}, default_forward:{self.default_forward}, network:{self.network}"
[docs] @staticmethod
def from_json_file(json_file_path: str) -> "DefaultNetworkFirewallConfig":
"""
Reads a json file and converts it to a DTO
:param json_file_path: the json file path
:return: the converted DTO
"""
import io
import json
with io.open(json_file_path, 'r') as f:
json_str = f.read()
return DefaultNetworkFirewallConfig.from_dict(json.loads(json_str))
[docs] def copy(self) -> "DefaultNetworkFirewallConfig":
"""
:return: a copy of the DTO
"""
return DefaultNetworkFirewallConfig.from_dict(self.to_dict())
[docs] def create_execution_config(self, ip_first_octet: int) -> "DefaultNetworkFirewallConfig":
"""
Creates a new config for an execution
:param ip_first_octet: the first octet of the IP of the new execution
:return: the new config
"""
config = self.copy()
if config.ip is not None:
config.ip = GeneralUtil.replace_first_octet_of_ip(ip=config.ip, ip_first_octet=ip_first_octet)
if config.default_gw is not None:
config.default_gw = GeneralUtil.replace_first_octet_of_ip(ip=config.default_gw,
ip_first_octet=ip_first_octet)
config.network = config.network.create_execution_config(ip_first_octet=ip_first_octet)
return config
[docs] @staticmethod
def schema() -> "DefaultNetworkFirewallConfig":
"""
:return: get the schema of the DTO
"""
return DefaultNetworkFirewallConfig(ip="", default_gw="", default_input="", default_output="",
default_forward="", network=ContainerNetwork.schema())