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https://github.com/chanzuckerberg/cellxgene.git
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ef2ab07ca0
* Clean up dead/hosted code * Remove schema conversion tool and related * Remove cxg references * Remove locust * missed a spot * Remove aws secret manager * Merge branch 'main' into brodgers/2310/code-cleanup-v1 * cleanup merge
45 lines
1.8 KiB
Python
45 lines
1.8 KiB
Python
import os
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from backend.server.common.config.base_config import BaseConfig
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from backend.common.errors import ConfigurationError
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from backend.common.utils.type_conversion_utils import convert_string_to_value
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class ExternalConfig(BaseConfig):
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"""Manages the config attribute associated with external configuration sources, such as
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environment variables."""
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def __init__(self, app_config, default_config):
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super().__init__(app_config, default_config)
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try:
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self.environment = default_config["environment"]
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except KeyError as e:
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raise ConfigurationError(f"Unexpected config: {str(e)}")
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def complete_config(self, context):
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self.handle_environment(context)
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def handle_environment(self, context):
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"""For each environment variable defined, get the value (if it is set),
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and set the specified config parameter"""
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self.validate_correct_type_of_configuration_attribute("environment", list)
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for envdict in self.environment:
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name = envdict.get("name")
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if name is None:
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raise ConfigurationError("environment: 'name' is missing")
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required = envdict.get("required", False)
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if type(required) != bool:
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raise ConfigurationError("environment: 'required' must be a bool")
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path = envdict.get("path")
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if path is None:
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raise ConfigurationError("environment: 'path' is missing")
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value = os.environ.get(name)
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if value is None:
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if required:
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raise ConfigurationError(f"required environment variable '{name}' not set")
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else:
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value = convert_string_to_value(value)
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self.app_config.update_single_config_from_path_and_value(path, value)
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