feat(lambda): read cloud.account.id from symlink in Lambda detector #4183
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…etector Read /tmp/.otel-account-id via os.readlink() and set the cloud.account.id resource attribute when the symlink exists. Silently skip when the symlink is absent (OSError caught).
herin049
reviewed
Feb 12, 2026
| symlink_path = None | ||
| try: | ||
| tmpdir = tempfile.mkdtemp() | ||
| symlink_path = os.path.join(tmpdir, ".otel-account-id") |
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Can we just make this a fixture, preferably one that uses the existing tmp_path fixture from Pytest?
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Summary
cloud.account.idfrom the symlink at/tmp/.otel-account-idcreated by the OTel Lambda Extensionos.readlink()to read the symlink target (the AWS account ID)except OSError: passif the symlink doesn't existDepends on
Changes
_lambda.py— Added readlink logic with_ACCOUNT_ID_SYMLINK_PATHconstantTest plan
cloud.account.idset correctly