mirror of
https://github.com/checktheroads/hyperglass
synced 2024-05-11 05:55:08 +00:00
78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
"""
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Defines models for VRF config variables.
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Imports config variables and overrides default class attributes.
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Validates input for overridden parameters.
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"""
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# Standard Library Imports
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from typing import List
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from typing import Dict
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from ipaddress import IPv4Network
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from ipaddress import IPv6Network
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# Third Party Imports
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from pydantic import constr
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from pydantic import IPvAnyNetwork
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from pydantic import validator
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# Project Imports
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from hyperglass.configuration.models._utils import clean_name
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from hyperglass.configuration.models._utils import HyperglassModel
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from logzero import logger as log
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class Vrf(HyperglassModel):
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"""Model for per VRF/afi config in devices.yaml"""
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display_name: str
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ipv4: bool = True
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ipv6: bool = True
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access_list: List[Dict[constr(regex=("allow|deny")), IPvAnyNetwork]] = [
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{"allow": "0.0.0.0/0"},
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{"allow": "::/0"},
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]
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@validator("access_list", pre=True, whole=True, always=True)
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def validate_action(cls, value):
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for li in value:
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for action, network in li.items():
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if isinstance(network, (IPv4Network, IPv6Network)):
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li[action] = str(network)
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log.info(value)
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return value
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class Vrfs(HyperglassModel):
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"""Base model for vrfs class"""
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@classmethod
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def import_params(cls, input_params):
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"""
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Imports passed dict from YAML config, removes unsupported
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characters from VRF names, dynamically sets attributes for
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the Vrfs class.
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"""
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# Default settings which include the default/global routing table
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vrfs: Vrf = {"default": {"display_name": "Global", "ipv4": True, "ipv6": True}}
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display_names: List[str] = ["Global"]
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_all: List[str] = ["global"]
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for (vrf_key, params) in input_params.items():
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vrf = clean_name(vrf_key)
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vrf_params = Vrf(**params)
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vrfs.update({vrf: vrf_params.dict()})
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display_names.append(params.get("display_name"))
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_all.append(vrf_key)
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for (vrf_key, params) in vrfs.items():
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setattr(Vrfs, vrf_key, Vrf(**params))
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display_names: List[str] = list(set(display_names))
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_all: List[str] = list(set(_all))
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Vrfs.vrfs = vrfs
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Vrfs.display_names = display_names
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Vrfs._all = _all
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return Vrfs()
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