Dmitry Lysnichenko created AMBARI-9682:
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Summary: should not show traceback on exception during setup
Key: AMBARI-9682
URL: https://issues.apache.org/jira/browse/AMBARI-9682
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 1.6.1
Reporter: Dmitry Lysnichenko
Assignee: Dmitry Lysnichenko
Fix For: 2.0.0
I run ambari-server setup on a machine that has a suspect OS version (testing
out how well we check OS type).
On ambari-server setup, setup fails with the following:
{code}
[root@8 yum.repos.d]# ambari-server setup -s
Using python /usr/bin/python2.6
Setup ambari-server
Traceback (most recent call last):
File "/usr/sbin/ambari-server.py", line 53, in <module>
OS_VERSION = OSCheck().get_os_major_version()
File "/usr/lib/python2.6/site-packages/common_functions/os_check.py", line
110, in get_os_major_version
return OSCheck.get_os_version().split('.')[0]
File "/usr/lib/python2.6/site-packages/common_functions/os_check.py", line
101, in get_os_version
raise Exception("Cannot detect os version. Exiting...")
Exception: Cannot detect os version. Exiting...
[root@8 yum.repos.d]#
{code}
1) Setup should not be dumping the traceback to the user.
2) ambari-server supports a "--verbose" option. If verbose is set, then dump
the traceback. Otherwise, just print the Exception.
3) All exception handling in setup should be reviewed for this traceback
scenario
4) This same OS call is made during agent registration. Should avoid tracebacks
there too.
One scenario to test this failing is when folks use the Amazon Linux AMI.
{code}
[root@8 etc]# more /etc/system-release
Amazon Linux AMI release 2014.03
{code}
And if this is helpful:
{code}
[root@8 etc]# python
Python 2.6.9 (unknown, Mar 28 2014, 00:06:37)
[GCC 4.8.2 20131212 (Red Hat 4.8.2-7)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import platform;
>>> platform.dist();
('', '', '')
>>> platform.linux_distribution();
('', '', '')
>>>
{code}
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