[jira] [Created] (IMPALA-8864) Shell tests in http mode fail on CentOS 6

["bharath v (JIRA)" <ji...@apache.org>]

bharath v created IMPALA-8864:
---------------------------------

             Summary: Shell tests in http mode fail on CentOS 6
                 Key: IMPALA-8864
                 URL: https://issues.apache.org/jira/browse/IMPALA-8864
             Project: IMPALA
          Issue Type: Bug
          Components: Clients
            Reporter: bharath v
            Assignee: bharath v


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Error MessageAssertionError: Cmd ['--ssl', '-q', 'select 1 + 2'] was expected to succeed: Starting Impala Shell without Kerberos authentication SSL is enabled. Impala server certificates will NOT be verified (set --ca_cert to change) Warning: --connect_timeout_ms is currently ignored with HTTP transport. Error connecting: AttributeError, 'module' object has no attribute 'create_default_context' Not connected to Impala, could not execute queries.Stacktracecustom_cluster/test_client_ssl.py:90: in test_ssl
    self._validate_positive_cases(vector, "%s/server-cert.pem" % self.CERT_DIR)
custom_cluster/test_client_ssl.py:235: in _validate_positive_cases
    result = run_impala_shell_cmd(vector, shell_options, wait_until_connected=False)
shell/util.py:113: in run_impala_shell_cmd
    result.stderr)
E   AssertionError: Cmd ['--ssl', '-q', 'select 1 + 2'] was expected to succeed: Starting Impala Shell without Kerberos authentication
E   SSL is enabled. Impala server certificates will NOT be verified (set --ca_cert to change)
E   Warning: --connect_timeout_ms is currently ignored with HTTP transport.
E   Error connecting: AttributeError, 'module' object has no attribute 'create_default_context'
E   Not connected to Impala, could not execute queries.
{noformat}

ssl library in python does not have the required methods that the THttpClient relies on.

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[centos6 ~]# python
Python 2.6.6 (r266:84292, Jul 10 2013, 22:48:45) 
[GCC 4.4.7 20120313 (Red Hat 4.4.7-3)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> 
>>> import ssl;
>>> ctx = ssl.create_default_context(Purpose.CLIENT_AUTH)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: 'module' object has no attribute 'create_default_context'
{noformat}

While the page [1]  says "It was added in 2.7.9 and newer.". It appears that it was backported to a few older versions shipped by linux vendors (although I was not able to narrow down the exact change log).

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[centos 7.3 ~]# python
Python 2.7.5 (default, Jun 20 2019, 20:27:34) 
[GCC 4.8.5 20150623 (Red Hat 4.8.5-36)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import ssl;
>>> ctx = ssl.create_default_context();
>>> 
{noformat}

[1] https://docs.python.org/2/library/ssl.html#ssl.create_default_context



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