def _CheckTLSSupport():
"""Provide a useful error message if the user's doesn't have TLS 1.2."""
if re.match('OpenSSL 0\\.', ssl.OPENSSL_VERSION):
# User's OpenSSL is too old.
min_required_version = ('2.7.15'
if sys.version_info.major == 2 else '3.4')
raise serverless_exceptions.NoTLSError(
'Your Python installation is using the SSL library {}, '
'which does not support TLS 1.2. '
'TLS 1.2 is required to connect to Cloud Run on Kubernetes Engine. '
'Please upgrade to '
'Python {} or greater, which comes bundled with OpenSSL >1.0.'.
format(ssl.OPENSSL_VERSION, min_required_version))
# PROTOCOL_TLSv1_2 applies to [2.7.9, 2.7.13) or [3.4, 3.6).
# PROTOCOL_TLS applies to 2.7.13 and above, or 3.6 and above.
if not (hasattr(ssl, 'PROTOCOL_TLS') or hasattr(ssl, 'PROTOCOL_TLSv1_2')):
# User's Python is too old.
min_required_version = ('2.7.9'
if sys.version_info.major == 2 else '3.4')
raise serverless_exceptions.NoTLSError(
'Your Python {}.{}.{} installation does not support TLS 1.2, which is'
' required to connect to Cloud Run on Kubernetes Engine. '
'Please upgrade to Python {} or greater.'.format(
sys.version_info.major, sys.version_info.minor,
sys.version_info.micro, min_required_version))
def _CheckTLSSupport():
# PROTOCOL_TLSv1_2 applies to [2.7.9, 2.7.13) or [3.4, 3.6).
# PROTOCOL_TLS applies to 2.7.13 and above, or 3.6 and above.
if not (hasattr(ssl, 'PROTOCOL_TLS') or hasattr(ssl, 'PROTOCOL_TLSv1_2')):
min_required_version = ('2.7.9'
if sys.version_info.major == 2 else '3.4')
raise serverless_exceptions.NoTLSError(
'Your Python {}.{}.{} installation does not support TLS 1.2, which is'
' required to connect to the GKE Serverless add-on. Please upgrade to'
' Python {} or greater.'.format(sys.version_info.major,
sys.version_info.minor,
sys.version_info.micro,
min_required_version))
