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A tool for generating OIDC identities

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id is a Python tool for generating OIDC identities. It can automatically detect and produce OIDC credentials on a number of environments, including GitHub Actions, GitLab pipelines and Google Cloud.


id requires Python 3.8 or newer, and can be installed directly via pip:

python -m pip install id


You can run id as a Python module via python -m:

python -m id --help


usage: id [-h] [-V] [-v] [-d] audience

a tool for generating OIDC identities

positional arguments:
  audience       the OIDC audience to use

optional arguments:
  -h, --help     show this help message and exit
  -V, --version  show program's version number and exit
  -v, --verbose  run with additional debug logging; supply multiple times to
                 increase verbosity (default: 0)
  -d, --decode   decode the OIDC token into JSON (default: False)

For Python API usage, there is a single importable function, detect_credential:

>>> from id import detect_credential
>>> detect_credential(audience='something')
'<OIDC token>'

This function requires an audience parameter, which is used when generating the OIDC token. This should be set to the intended audience for the token.

If no supported environment is found, detect_credential returns None. If a supported environment is found but detect_credential fails to retrieve a token, it raises AmbientCredentialError.

Supported environments

id currently supports ambient credential detection in the following environments:

Tokens in environment variables

GitLab provides OIDC tokens through environment variables. The variable name must be <AUD>_ID_TOKEN where <AUD> is the uppercased audience argument where all characters outside of ASCII letters and digits are replaced with "_". A leading digit must also be replaced with a "_".


id is licensed under the Apache 2.0 License.


See the contributing docs for details.

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