#2417 Move classes to correct files
This commit is contained in:
Marek Wolan
@@ -1,24 +1,23 @@
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"""Manages the observation space for the agent."""
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from abc import ABC, abstractmethod
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from ipaddress import IPv4Address
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from typing import Any, Dict, List, Optional, Tuple, TYPE_CHECKING, Type
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from typing import Any, Dict, Iterable, Type
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from gymnasium import spaces
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from pydantic import BaseModel, ConfigDict
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from primaite import getLogger
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from primaite.game.agent.utils import access_from_nested_dict, NOT_PRESENT_IN_STATE
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_LOGGER = getLogger(__name__)
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if TYPE_CHECKING:
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from primaite.game.game import PrimaiteGame
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WhereType = Iterable[str | int] | None
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class AbstractObservation(ABC):
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"""Abstract class for an observation space component."""
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class ConfigSchema(ABC, BaseModel):
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"""Config schema for observations."""
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model_config = ConfigDict(extra="forbid")
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_registry: Dict[str, Type["AbstractObservation"]] = {}
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@@ -61,269 +60,271 @@ class AbstractObservation(ABC):
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@classmethod
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def from_config(cls, cfg: Dict) -> "AbstractObservation":
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"""Create this observation space component form a serialised format."""
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ObservationType = cls._registry[cfg['type']]
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ObservationType = cls._registry[cfg["type"]]
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return ObservationType.from_config(cfg=cfg)
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# class LinkObservation(AbstractObservation):
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# """Observation of a link in the network."""
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'''
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class LinkObservation(AbstractObservation):
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"""Observation of a link in the network."""
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# default_observation: spaces.Space = {"PROTOCOLS": {"ALL": 0}}
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# "Default observation is what should be returned when the link doesn't exist."
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default_observation: spaces.Space = {"PROTOCOLS": {"ALL": 0}}
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"Default observation is what should be returned when the link doesn't exist."
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# def __init__(self, where: Optional[Tuple[str]] = None) -> None:
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# """Initialise link observation.
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def __init__(self, where: Optional[Tuple[str]] = None) -> None:
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"""Initialise link observation.
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# :param where: Store information about where in the simulation state dictionary to find the relevant information.
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# Optional. If None, this corresponds that the file does not exist and the observation will be populated with
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# zeroes.
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:param where: Store information about where in the simulation state dictionary to find the relevant information.
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Optional. If None, this corresponds that the file does not exist and the observation will be populated with
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zeroes.
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# A typical location for a service looks like this:
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# `['network','nodes',<node_hostname>,'servics', <service_name>]`
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# :type where: Optional[List[str]]
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# """
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# super().__init__()
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# self.where: Optional[Tuple[str]] = where
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A typical location for a service looks like this:
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`['network','nodes',<node_hostname>,'servics', <service_name>]`
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:type where: Optional[List[str]]
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"""
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super().__init__()
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self.where: Optional[Tuple[str]] = where
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# def observe(self, state: Dict) -> Dict:
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# """Generate observation based on the current state of the simulation.
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def observe(self, state: Dict) -> Dict:
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"""Generate observation based on the current state of the simulation.
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# :param state: Simulation state dictionary
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# :type state: Dict
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# :return: Observation
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# :rtype: Dict
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# """
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# if self.where is None:
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# return self.default_observation
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:param state: Simulation state dictionary
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:type state: Dict
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:return: Observation
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:rtype: Dict
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"""
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if self.where is None:
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return self.default_observation
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# link_state = access_from_nested_dict(state, self.where)
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# if link_state is NOT_PRESENT_IN_STATE:
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# return self.default_observation
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link_state = access_from_nested_dict(state, self.where)
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if link_state is NOT_PRESENT_IN_STATE:
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return self.default_observation
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# bandwidth = link_state["bandwidth"]
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# load = link_state["current_load"]
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# if load == 0:
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# utilisation_category = 0
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# else:
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# utilisation_fraction = load / bandwidth
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# # 0 is UNUSED, 1 is 0%-10%. 2 is 10%-20%. 3 is 20%-30%. And so on... 10 is exactly 100%
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# utilisation_category = int(utilisation_fraction * 9) + 1
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bandwidth = link_state["bandwidth"]
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load = link_state["current_load"]
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if load == 0:
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utilisation_category = 0
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else:
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utilisation_fraction = load / bandwidth
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# 0 is UNUSED, 1 is 0%-10%. 2 is 10%-20%. 3 is 20%-30%. And so on... 10 is exactly 100%
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utilisation_category = int(utilisation_fraction * 9) + 1
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# # TODO: once the links support separte load per protocol, this needs amendment to reflect that.
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# return {"PROTOCOLS": {"ALL": min(utilisation_category, 10)}}
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# TODO: once the links support separte load per protocol, this needs amendment to reflect that.
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return {"PROTOCOLS": {"ALL": min(utilisation_category, 10)}}
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# @property
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# def space(self) -> spaces.Space:
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# """Gymnasium space object describing the observation space shape.
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@property
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def space(self) -> spaces.Space:
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"""Gymnasium space object describing the observation space shape.
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# :return: Gymnasium space
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# :rtype: spaces.Space
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# """
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# return spaces.Dict({"PROTOCOLS": spaces.Dict({"ALL": spaces.Discrete(11)})})
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:return: Gymnasium space
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:rtype: spaces.Space
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"""
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return spaces.Dict({"PROTOCOLS": spaces.Dict({"ALL": spaces.Discrete(11)})})
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# @classmethod
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# def from_config(cls, config: Dict, game: "PrimaiteGame") -> "LinkObservation":
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# """Create link observation from a config.
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@classmethod
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def from_config(cls, config: Dict, game: "PrimaiteGame") -> "LinkObservation":
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"""Create link observation from a config.
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# :param config: Dictionary containing the configuration for this link observation.
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# :type config: Dict
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# :param game: Reference to the PrimaiteGame object that spawned this observation.
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# :type game: PrimaiteGame
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# :return: Constructed link observation
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# :rtype: LinkObservation
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# """
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# return cls(where=["network", "links", game.ref_map_links[config["link_ref"]]])
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:param config: Dictionary containing the configuration for this link observation.
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:type config: Dict
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:param game: Reference to the PrimaiteGame object that spawned this observation.
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:type game: PrimaiteGame
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:return: Constructed link observation
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:rtype: LinkObservation
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"""
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return cls(where=["network", "links", game.ref_map_links[config["link_ref"]]])
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# class AclObservation(AbstractObservation):
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# """Observation of an Access Control List (ACL) in the network."""
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class AclObservation(AbstractObservation):
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"""Observation of an Access Control List (ACL) in the network."""
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# # TODO: should where be optional, and we can use where=None to pad the observation space?
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# # definitely the current approach does not support tracking files that aren't specified by name, for example
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# # if a file is created at runtime, we have currently got no way of telling the observation space to track it.
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# # this needs adding, but not for the MVP.
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# def __init__(
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# self,
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# node_ip_to_id: Dict[str, int],
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# ports: List[int],
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# protocols: List[str],
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# where: Optional[Tuple[str]] = None,
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# num_rules: int = 10,
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# ) -> None:
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# """Initialise ACL observation.
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# TODO: should where be optional, and we can use where=None to pad the observation space?
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# definitely the current approach does not support tracking files that aren't specified by name, for example
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# if a file is created at runtime, we have currently got no way of telling the observation space to track it.
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# this needs adding, but not for the MVP.
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def __init__(
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self,
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node_ip_to_id: Dict[str, int],
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ports: List[int],
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protocols: List[str],
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where: Optional[Tuple[str]] = None,
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num_rules: int = 10,
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) -> None:
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"""Initialise ACL observation.
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# :param node_ip_to_id: Mapping between IP address and ID.
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# :type node_ip_to_id: Dict[str, int]
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# :param ports: List of ports which are part of the game that define the ordering when converting to an ID
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# :type ports: List[int]
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# :param protocols: List of protocols which are part of the game, defines ordering when converting to an ID
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# :type protocols: list[str]
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# :param where: Where in the simulation state dictionary to find the relevant information for this ACL. A typical
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# example may look like this:
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# ['network','nodes',<router_hostname>,'acl','acl']
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# :type where: Optional[Tuple[str]], optional
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# :param num_rules: , defaults to 10
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# :type num_rules: int, optional
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# """
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# super().__init__()
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# self.where: Optional[Tuple[str]] = where
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# self.num_rules: int = num_rules
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# self.node_to_id: Dict[str, int] = node_ip_to_id
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# "List of node IP addresses, order in this list determines how they are converted to an ID"
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# self.port_to_id: Dict[int, int] = {port: i + 2 for i, port in enumerate(ports)}
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# "List of ports which are part of the game that define the ordering when converting to an ID"
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# self.protocol_to_id: Dict[str, int] = {protocol: i + 2 for i, protocol in enumerate(protocols)}
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# "List of protocols which are part of the game, defines ordering when converting to an ID"
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# self.default_observation: Dict = {
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# i
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# + 1: {
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# "position": i,
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# "permission": 0,
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# "source_node_id": 0,
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# "source_port": 0,
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# "dest_node_id": 0,
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# "dest_port": 0,
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# "protocol": 0,
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# }
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# for i in range(self.num_rules)
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# }
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:param node_ip_to_id: Mapping between IP address and ID.
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:type node_ip_to_id: Dict[str, int]
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:param ports: List of ports which are part of the game that define the ordering when converting to an ID
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:type ports: List[int]
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:param protocols: List of protocols which are part of the game, defines ordering when converting to an ID
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:type protocols: list[str]
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:param where: Where in the simulation state dictionary to find the relevant information for this ACL. A typical
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example may look like this:
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['network','nodes',<router_hostname>,'acl','acl']
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:type where: Optional[Tuple[str]], optional
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:param num_rules: , defaults to 10
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:type num_rules: int, optional
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"""
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super().__init__()
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self.where: Optional[Tuple[str]] = where
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self.num_rules: int = num_rules
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self.node_to_id: Dict[str, int] = node_ip_to_id
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"List of node IP addresses, order in this list determines how they are converted to an ID"
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self.port_to_id: Dict[int, int] = {port: i + 2 for i, port in enumerate(ports)}
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"List of ports which are part of the game that define the ordering when converting to an ID"
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self.protocol_to_id: Dict[str, int] = {protocol: i + 2 for i, protocol in enumerate(protocols)}
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"List of protocols which are part of the game, defines ordering when converting to an ID"
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self.default_observation: Dict = {
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i
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+ 1: {
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"position": i,
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"permission": 0,
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"source_node_id": 0,
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"source_port": 0,
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"dest_node_id": 0,
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"dest_port": 0,
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"protocol": 0,
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}
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for i in range(self.num_rules)
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}
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# def observe(self, state: Dict) -> Dict:
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# """Generate observation based on the current state of the simulation.
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def observe(self, state: Dict) -> Dict:
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"""Generate observation based on the current state of the simulation.
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# :param state: Simulation state dictionary
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# :type state: Dict
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# :return: Observation
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# :rtype: Dict
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# """
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# if self.where is None:
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# return self.default_observation
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# acl_state: Dict = access_from_nested_dict(state, self.where)
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# if acl_state is NOT_PRESENT_IN_STATE:
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# return self.default_observation
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:param state: Simulation state dictionary
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:type state: Dict
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:return: Observation
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:rtype: Dict
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"""
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if self.where is None:
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return self.default_observation
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acl_state: Dict = access_from_nested_dict(state, self.where)
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if acl_state is NOT_PRESENT_IN_STATE:
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return self.default_observation
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# # TODO: what if the ACL has more rules than num of max rules for obs space
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# obs = {}
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# acl_items = dict(acl_state.items())
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# i = 1 # don't show rule 0 for compatibility reasons.
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# while i < self.num_rules + 1:
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# rule_state = acl_items[i]
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# if rule_state is None:
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# obs[i] = {
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# "position": i - 1,
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# "permission": 0,
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# "source_node_id": 0,
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# "source_port": 0,
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# "dest_node_id": 0,
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# "dest_port": 0,
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# "protocol": 0,
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# }
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# else:
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# src_ip = rule_state["src_ip_address"]
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# src_node_id = 1 if src_ip is None else self.node_to_id[IPv4Address(src_ip)]
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# dst_ip = rule_state["dst_ip_address"]
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# dst_node_ip = 1 if dst_ip is None else self.node_to_id[IPv4Address(dst_ip)]
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# src_port = rule_state["src_port"]
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# src_port_id = 1 if src_port is None else self.port_to_id[src_port]
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# dst_port = rule_state["dst_port"]
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# dst_port_id = 1 if dst_port is None else self.port_to_id[dst_port]
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# protocol = rule_state["protocol"]
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# protocol_id = 1 if protocol is None else self.protocol_to_id[protocol]
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# obs[i] = {
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# "position": i - 1,
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# "permission": rule_state["action"],
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# "source_node_id": src_node_id,
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# "source_port": src_port_id,
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# "dest_node_id": dst_node_ip,
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# "dest_port": dst_port_id,
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# "protocol": protocol_id,
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# }
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# i += 1
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# return obs
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# TODO: what if the ACL has more rules than num of max rules for obs space
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obs = {}
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acl_items = dict(acl_state.items())
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i = 1 # don't show rule 0 for compatibility reasons.
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while i < self.num_rules + 1:
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rule_state = acl_items[i]
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if rule_state is None:
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obs[i] = {
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"position": i - 1,
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"permission": 0,
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"source_node_id": 0,
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"source_port": 0,
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"dest_node_id": 0,
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"dest_port": 0,
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"protocol": 0,
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}
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else:
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src_ip = rule_state["src_ip_address"]
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src_node_id = 1 if src_ip is None else self.node_to_id[IPv4Address(src_ip)]
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dst_ip = rule_state["dst_ip_address"]
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dst_node_ip = 1 if dst_ip is None else self.node_to_id[IPv4Address(dst_ip)]
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src_port = rule_state["src_port"]
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src_port_id = 1 if src_port is None else self.port_to_id[src_port]
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dst_port = rule_state["dst_port"]
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dst_port_id = 1 if dst_port is None else self.port_to_id[dst_port]
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protocol = rule_state["protocol"]
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protocol_id = 1 if protocol is None else self.protocol_to_id[protocol]
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obs[i] = {
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"position": i - 1,
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"permission": rule_state["action"],
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"source_node_id": src_node_id,
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"source_port": src_port_id,
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"dest_node_id": dst_node_ip,
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"dest_port": dst_port_id,
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"protocol": protocol_id,
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}
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i += 1
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return obs
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# @property
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# def space(self) -> spaces.Space:
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# """Gymnasium space object describing the observation space shape.
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@property
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def space(self) -> spaces.Space:
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"""Gymnasium space object describing the observation space shape.
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# :return: Gymnasium space
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# :rtype: spaces.Space
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# """
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# return spaces.Dict(
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# {
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# i
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# + 1: spaces.Dict(
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# {
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# "position": spaces.Discrete(self.num_rules),
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# "permission": spaces.Discrete(3),
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# # adding two to lengths is to account for reserved values 0 (unused) and 1 (any)
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# "source_node_id": spaces.Discrete(len(set(self.node_to_id.values())) + 2),
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# "source_port": spaces.Discrete(len(self.port_to_id) + 2),
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# "dest_node_id": spaces.Discrete(len(set(self.node_to_id.values())) + 2),
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# "dest_port": spaces.Discrete(len(self.port_to_id) + 2),
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# "protocol": spaces.Discrete(len(self.protocol_to_id) + 2),
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# }
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# )
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# for i in range(self.num_rules)
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# }
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# )
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:return: Gymnasium space
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:rtype: spaces.Space
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"""
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return spaces.Dict(
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{
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i
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+ 1: spaces.Dict(
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{
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"position": spaces.Discrete(self.num_rules),
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"permission": spaces.Discrete(3),
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# adding two to lengths is to account for reserved values 0 (unused) and 1 (any)
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"source_node_id": spaces.Discrete(len(set(self.node_to_id.values())) + 2),
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"source_port": spaces.Discrete(len(self.port_to_id) + 2),
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"dest_node_id": spaces.Discrete(len(set(self.node_to_id.values())) + 2),
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"dest_port": spaces.Discrete(len(self.port_to_id) + 2),
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"protocol": spaces.Discrete(len(self.protocol_to_id) + 2),
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}
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)
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for i in range(self.num_rules)
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}
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)
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# @classmethod
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# def from_config(cls, config: Dict, game: "PrimaiteGame") -> "AclObservation":
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# """Generate ACL observation from a config.
|
||||
@classmethod
|
||||
def from_config(cls, config: Dict, game: "PrimaiteGame") -> "AclObservation":
|
||||
"""Generate ACL observation from a config.
|
||||
|
||||
# :param config: Dictionary containing the configuration for this ACL observation.
|
||||
# :type config: Dict
|
||||
# :param game: Reference to the PrimaiteGame object that spawned this observation.
|
||||
# :type game: PrimaiteGame
|
||||
# :return: Observation object
|
||||
# :rtype: AclObservation
|
||||
# """
|
||||
# max_acl_rules = config["options"]["max_acl_rules"]
|
||||
# node_ip_to_idx = {}
|
||||
# for ip_idx, ip_map_config in enumerate(config["ip_address_order"]):
|
||||
# node_ref = ip_map_config["node_hostname"]
|
||||
# nic_num = ip_map_config["nic_num"]
|
||||
# node_obj = game.simulation.network.nodes[game.ref_map_nodes[node_ref]]
|
||||
# nic_obj = node_obj.network_interface[nic_num]
|
||||
# node_ip_to_idx[nic_obj.ip_address] = ip_idx + 2
|
||||
:param config: Dictionary containing the configuration for this ACL observation.
|
||||
:type config: Dict
|
||||
:param game: Reference to the PrimaiteGame object that spawned this observation.
|
||||
:type game: PrimaiteGame
|
||||
:return: Observation object
|
||||
:rtype: AclObservation
|
||||
"""
|
||||
max_acl_rules = config["options"]["max_acl_rules"]
|
||||
node_ip_to_idx = {}
|
||||
for ip_idx, ip_map_config in enumerate(config["ip_address_order"]):
|
||||
node_ref = ip_map_config["node_hostname"]
|
||||
nic_num = ip_map_config["nic_num"]
|
||||
node_obj = game.simulation.network.nodes[game.ref_map_nodes[node_ref]]
|
||||
nic_obj = node_obj.network_interface[nic_num]
|
||||
node_ip_to_idx[nic_obj.ip_address] = ip_idx + 2
|
||||
|
||||
# router_hostname = config["router_hostname"]
|
||||
# return cls(
|
||||
# node_ip_to_id=node_ip_to_idx,
|
||||
# ports=game.options.ports,
|
||||
# protocols=game.options.protocols,
|
||||
# where=["network", "nodes", router_hostname, "acl", "acl"],
|
||||
# num_rules=max_acl_rules,
|
||||
# )
|
||||
router_hostname = config["router_hostname"]
|
||||
return cls(
|
||||
node_ip_to_id=node_ip_to_idx,
|
||||
ports=game.options.ports,
|
||||
protocols=game.options.protocols,
|
||||
where=["network", "nodes", router_hostname, "acl", "acl"],
|
||||
num_rules=max_acl_rules,
|
||||
)
|
||||
|
||||
|
||||
# class NullObservation(AbstractObservation):
|
||||
# """Null observation, returns a single 0 value for the observation space."""
|
||||
class NullObservation(AbstractObservation):
|
||||
"""Null observation, returns a single 0 value for the observation space."""
|
||||
|
||||
# def __init__(self, where: Optional[List[str]] = None):
|
||||
# """Initialise null observation."""
|
||||
# self.default_observation: Dict = {}
|
||||
def __init__(self, where: Optional[List[str]] = None):
|
||||
"""Initialise null observation."""
|
||||
self.default_observation: Dict = {}
|
||||
|
||||
# def observe(self, state: Dict) -> Dict:
|
||||
# """Generate observation based on the current state of the simulation."""
|
||||
# return 0
|
||||
def observe(self, state: Dict) -> Dict:
|
||||
"""Generate observation based on the current state of the simulation."""
|
||||
return 0
|
||||
|
||||
# @property
|
||||
# def space(self) -> spaces.Space:
|
||||
# """Gymnasium space object describing the observation space shape."""
|
||||
# return spaces.Discrete(1)
|
||||
@property
|
||||
def space(self) -> spaces.Space:
|
||||
"""Gymnasium space object describing the observation space shape."""
|
||||
return spaces.Discrete(1)
|
||||
|
||||
# @classmethod
|
||||
# def from_config(cls, config: Dict, game: Optional["PrimaiteGame"] = None) -> "NullObservation":
|
||||
# """
|
||||
# Create null observation from a config.
|
||||
@classmethod
|
||||
def from_config(cls, config: Dict, game: Optional["PrimaiteGame"] = None) -> "NullObservation":
|
||||
"""
|
||||
Create null observation from a config.
|
||||
|
||||
# The parameters are ignored, they are here to match the signature of the other observation classes.
|
||||
# """
|
||||
# return cls()
|
||||
The parameters are ignored, they are here to match the signature of the other observation classes.
|
||||
"""
|
||||
return cls()
|
||||
|
||||
|
||||
# class ICSObservation(NullObservation):
|
||||
# """ICS observation placeholder, currently not implemented so always returns a single 0."""
|
||||
class ICSObservation(NullObservation):
|
||||
"""ICS observation placeholder, currently not implemented so always returns a single 0."""
|
||||
|
||||
# pass
|
||||
pass
|
||||
'''
|
||||
|
||||
Reference in New Issue
Block a user