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https://issues.apache.org/jira/browse/HDDS-1567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16867798#comment-16867798
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Eric Yang commented on HDDS-1567:
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[~elek] [Jas
configuration|https://docs.oracle.com/javase/7/docs/technotes/guides/security/jgss/tutorials/LoginConfigFile.html]
is used to perform login for Java. This is typically used to login to
Kerberos for JVM. Hadoop side step this configuration file, but end up paying
more for integration with Kerberos. It maybe worth while to implement proper
jaas config for Ozone, but this discussion is digressing.
The main point is that some OS level configuration may have static logic that
does not allow us to temper the format of the configuration file. In this
case, I see that envtoconf.py is a good outlet for generating static
configuration files base on set of global variables. I am not clear how your
proposal will compensate for the generation of static configuration files. I
prefer something simple and light weight which the envtoconf.py seems to have
the right balance to make this not painful to use.
> Define a set of environment variables to configure Ozone docker image
> ---------------------------------------------------------------------
>
> Key: HDDS-1567
> URL: https://issues.apache.org/jira/browse/HDDS-1567
> Project: Hadoop Distributed Data Store
> Issue Type: Sub-task
> Reporter: Eric Yang
> Priority: Major
>
> For developer that tries to setup docker image by end for testing purpose, it
> would be nice to predefine a set of environment variables that can be passed
> to Ozone docker image to configure the minimum set of configuration to start
> Ozone containers. There is a python script that converts environment
> variables to config, but documentation does not show what setting can be
> passed to configure the system. This task would be a good starting point to
> document the available configuration knobs.
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