cloudflared-mirror/component-tests/config.py

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#!/usr/bin/env python
import copy
from dataclasses import dataclass, InitVar
from constants import METRICS_PORT, PROXY_DNS_PORT
# frozen=True raises exception when assigning to fields. This emulates immutability
@dataclass(frozen=True)
class BaseConfig:
cloudflared_binary: str
no_autoupdate: bool = True
metrics: str = f'localhost:{METRICS_PORT}'
def merge_config(self, additional):
config = copy.copy(additional)
config['no-autoupdate'] = self.no_autoupdate
config['metrics'] = self.metrics
return config
@dataclass(frozen=True)
class NamedTunnelBaseConfig(BaseConfig):
# The attributes of the parent class are ordered before attributes in this class,
# so we have to use default values here and check if they are set in __post_init__
tunnel: str = None
credentials_file: str = None
ingress: list = None
def __post_init__(self):
if self.tunnel is None:
raise TypeError("Field tunnel is not set")
if self.credentials_file is None:
raise TypeError("Field credentials_file is not set")
if self.ingress is None:
raise TypeError("Field ingress is not set")
def merge_config(self, additional):
config = super(NamedTunnelBaseConfig, self).merge_config(additional)
config['tunnel'] = self.tunnel
config['credentials-file'] = self.credentials_file
# In some cases we want to override default ingress, such as in config tests
if 'ingress' not in config:
config['ingress'] = self.ingress
return config
@dataclass(frozen=True)
class NamedTunnelConfig(NamedTunnelBaseConfig):
full_config: dict = None
additional_config: InitVar[dict] = {}
def __post_init__(self, additional_config):
# Cannot call set self.full_config because the class is frozen, instead, we can use __setattr__
# https://docs.python.org/3/library/dataclasses.html#frozen-instances
object.__setattr__(self, 'full_config',
self.merge_config(additional_config))
def get_url(self):
return "https://" + self.ingress[0]['hostname']
@dataclass(frozen=True)
class ClassicTunnelBaseConfig(BaseConfig):
hostname: str = None
origincert: str = None
def __post_init__(self):
if self.hostname is None:
raise TypeError("Field tunnel is not set")
if self.origincert is None:
raise TypeError("Field credentials_file is not set")
def merge_config(self, additional):
config = super(ClassicTunnelBaseConfig, self).merge_config(additional)
config['hostname'] = self.hostname
config['origincert'] = self.origincert
return config
@dataclass(frozen=True)
class ClassicTunnelConfig(ClassicTunnelBaseConfig):
full_config: dict = None
additional_config: InitVar[dict] = {}
def __post_init__(self, additional_config):
# Cannot call set self.full_config because the class is frozen, instead, we can use __setattr__
# https://docs.python.org/3/library/dataclasses.html#frozen-instances
object.__setattr__(self, 'full_config',
self.merge_config(additional_config))
def get_url(self):
return "https://" + self.hostname
@dataclass(frozen=True)
class ProxyDnsConfig(BaseConfig):
full_config = {
"port": PROXY_DNS_PORT,
"no-autoupdate": True,
}