Source code for multistorageclient.telemetry.attributes.environment_variables
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2# SPDX-License-Identifier: Apache-2.0
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4# Licensed under the Apache License, Version 2.0 (the "License");
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15
16import os
17from collections.abc import Mapping
18
19import opentelemetry.util.types as api_types
20
21from .base import AttributesProvider
22
23
[docs]
24class EnvironmentVariablesAttributesProvider(AttributesProvider):
25 """
26 Provides :py:type:`opentelemetry.util.types.Attributes` from environment variables.
27 """
28
29 #: Attribute key to environment variable key map.
30 _attributes: Mapping[str, str]
31
32 def __init__(self, attributes: Mapping[str, str]):
33 """
34 :param attributes: Map of attribute key to environment variable key.
35 """
36 self._attributes = attributes
37
[docs]
38 def attributes(self) -> api_types.Attributes:
39 return {
40 attribute_key: os.environ[environment_variable_key]
41 for attribute_key, environment_variable_key in self._attributes.items()
42 if environment_variable_key in os.environ
43 }