133 lines
4.1 KiB
Python
133 lines
4.1 KiB
Python
#!/usr/bin/env python
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import base64
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import copy
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import os
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import yaml
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from dataclasses import dataclass, InitVar
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from constants import METRICS_PORT
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from util import LOGGER
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# frozen=True raises exception when assigning to fields. This emulates immutability
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@dataclass(frozen=True)
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class BaseConfig:
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cloudflared_binary: str
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no_autoupdate: bool = True
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metrics: str = f'localhost:{METRICS_PORT}'
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def merge_config(self, additional):
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config = copy.copy(additional)
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config['no-autoupdate'] = self.no_autoupdate
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config['metrics'] = self.metrics
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return config
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@dataclass(frozen=True)
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class NamedTunnelBaseConfig(BaseConfig):
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# The attributes of the parent class are ordered before attributes in this class,
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# so we have to use default values here and check if they are set in __post_init__
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tunnel: str = None
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credentials_file: str = None
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ingress: list = None
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def __post_init__(self):
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if self.tunnel is None:
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raise TypeError("Field tunnel is not set")
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if self.credentials_file is None:
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raise TypeError("Field credentials_file is not set")
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if self.ingress is None:
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raise TypeError("Field ingress is not set")
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def merge_config(self, additional):
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config = super(NamedTunnelBaseConfig, self).merge_config(additional)
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config['tunnel'] = self.tunnel
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config['credentials-file'] = self.credentials_file
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# In some cases we want to override default ingress, such as in config tests
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if 'ingress' not in config:
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config['ingress'] = self.ingress
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return config
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@dataclass(frozen=True)
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class NamedTunnelConfig(NamedTunnelBaseConfig):
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full_config: dict = None
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additional_config: InitVar[dict] = {}
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def __post_init__(self, additional_config):
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# Cannot call set self.full_config because the class is frozen, instead, we can use __setattr__
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# https://docs.python.org/3/library/dataclasses.html#frozen-instances
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object.__setattr__(self, 'full_config',
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self.merge_config(additional_config))
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def get_url(self):
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return "https://" + self.ingress[0]['hostname']
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@dataclass(frozen=True)
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class ClassicTunnelBaseConfig(BaseConfig):
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hostname: str = None
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origincert: str = None
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def __post_init__(self):
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if self.hostname is None:
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raise TypeError("Field tunnel is not set")
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if self.origincert is None:
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raise TypeError("Field credentials_file is not set")
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def merge_config(self, additional):
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config = super(ClassicTunnelBaseConfig, self).merge_config(additional)
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config['hostname'] = self.hostname
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config['origincert'] = self.origincert
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return config
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@dataclass(frozen=True)
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class ClassicTunnelConfig(ClassicTunnelBaseConfig):
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full_config: dict = None
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additional_config: InitVar[dict] = {}
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def __post_init__(self, additional_config):
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# Cannot call set self.full_config because the class is frozen, instead, we can use __setattr__
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# https://docs.python.org/3/library/dataclasses.html#frozen-instances
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object.__setattr__(self, 'full_config',
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self.merge_config(additional_config))
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def get_url(self):
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return "https://" + self.hostname
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def build_config_from_env():
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config_path = get_env("COMPONENT_TESTS_CONFIG")
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config_content = base64.b64decode(
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get_env("COMPONENT_TESTS_CONFIG_CONTENT")).decode('utf-8')
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config_yaml = yaml.safe_load(config_content)
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credentials_file = get_env("COMPONENT_TESTS_CREDENTIALS_FILE")
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write_file(credentials_file, config_yaml["credentials_file"])
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origincert = get_env("COMPONENT_TESTS_ORIGINCERT")
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write_file(origincert, config_yaml["origincert"])
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write_file(config_content, config_path)
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def write_file(content, path):
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with open(path, 'w') as outfile:
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outfile.write(content)
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outfile.close
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def get_env(env_name):
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val = os.getenv(env_name)
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if val is None:
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raise Exception(f"{env_name} is not set")
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return val
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if __name__ == '__main__':
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build_config_from_env()
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