When running test, pyopenssl always complain about the no SAN problem, we should add the SAN support to cert store.
/home/mike820324/ProgrammingEnv/python/2.7.11-mp/lib/python2.7/site-packages/service_identity/pyopenssl.py:97: SubjectAltNameWarning: Certificate has no `subjectAltName`, falling back to check for a `commonName` for now. This feature is being removed by major browsers and deprecated by RFC 2818.
SubjectAltNameWarning
When running test, pyopenssl always complain about the no SAN problem, we should add the SAN support to cert store.