cloudflared-mirror/component-tests/config.py

97 lines
2.8 KiB
Python

#!/usr/bin/env python
import base64
import copy
import os
import yaml
from dataclasses import dataclass
from constants import METRICS_PORT
# frozen=True raises exception when assigning to fields. This emulates immutability
@dataclass(frozen=True)
class TunnelBaseConfig:
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(TunnelBaseConfig):
# 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
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")
def merge_config(self, additional):
config = super(NamedTunnelBaseConfig, self).merge_config(additional)
config['tunnel'] = self.tunnel
config['credentials-file'] = self.credentials_file
return config
@dataclass(frozen=True)
class ClassicTunnelBaseConfig(TunnelBaseConfig):
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['hostnamel'] = self.hostname
config['origincert'] = self.origincert
return config
@dataclass
class ComponentTestConfig:
cloudflared_binary: str
named_tunnel_config: dict
classic_tunnel_config: dict
def build_config_from_env():
config_path = get_env("COMPONENT_TESTS_CONFIG")
config_content = base64.b64decode(get_env("COMPONENT_TESTS_CONFIG_CONTENT")).decode('utf-8')
config_yaml = yaml.safe_load(config_content)
credentials_file = get_env("COMPONENT_TESTS_CREDENTIALS_FILE")
write_file(credentials_file, config_yaml["credentials_file"])
origincert = get_env("COMPONENT_TESTS_ORIGINCERT")
write_file(origincert,config_yaml["origincert"])
write_file(config_content, config_path)
def write_file(content, path):
with open(path, 'w') as outfile:
outfile.write(content)
outfile.close
def get_env(env_name):
val = os.getenv(env_name)
if val is None:
raise Exception(f"{env_name} is not set")
return val
if __name__ == '__main__':
build_config_from_env()