find_credential

gwdatafind.utils.find_credential()

Locate X509 certificate and key files.

This function checks the following paths in order:

  • ${X509_USER_PROXY}
  • ${X509_USER_CERT} and ${X509_USER_KEY}
  • /tmp/x509up_u${UID}
Returns:
cert, key : str, str

the paths of the certificate and key files, respectively.
Raises:
RuntimeError

if not certificate files can be found, or if the files found on disk cannot be validtted.