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From "Andrew Onischuk (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMBARI-20049) One way SSL fallback logic can cause some agents to be connected with 2-way SSL
Date Thu, 16 Feb 2017 13:49:41 GMT
Andrew Onischuk created AMBARI-20049:
----------------------------------------

             Summary: One way SSL fallback logic can cause some agents to be connected with
2-way SSL
                 Key: AMBARI-20049
                 URL: https://issues.apache.org/jira/browse/AMBARI-20049
             Project: Ambari
          Issue Type: Bug
            Reporter: Andrew Onischuk
            Assignee: Andrew Onischuk
             Fix For: 2.5.0
         Attachments: AMBARI-20049.patch

We have fallback logic since a long time in the agent to try to connect to the
server with 2-way SSL if one-way SSL throws an exception. This can cause some
agents to connect with 2-way SSL (connection timeout exception for one-way
SSL) and thereby a cluster having a mix of agents, some connected with one-way
SSL and some connected with 2-way SSL.

Investigate why we have had this logic and if it is no longer appropriate,
remove this fallback logic.

<https://github.com/apache/ambari/blob/trunk/ambari-
agent/src/main/python/ambari_agent/security.py#L57-L67>

    
    
    
        if not self.two_way_ssl_required:
          try:
            sock = self.create_connection()
            self.sock = ssl.wrap_socket(sock, cert_reqs=ssl.CERT_NONE)
            logger.info('SSL connection established. Two-way SSL authentication is '
                        'turned off on the server.')
          except (ssl.SSLError, AttributeError):
            self.two_way_ssl_required = True
            logger.info(
              'Insecure connection to https://' + self.host + ':' + self.port +
              '/ failed. Reconnecting using two-way SSL authentication..')
    





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