[jira] [Created] (AURORA-1402) Allow overriding cluster attributes via environment variables

["Joe Smith (JIRA)" <ji...@apache.org>]

Joe Smith created AURORA-1402:
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             Summary: Allow overriding cluster attributes via environment variables
                 Key: AURORA-1402
                 URL: https://issues.apache.org/jira/browse/AURORA-1402
             Project: Aurora
          Issue Type: Story
            Reporter: Joe Smith


An example usecase is giving the Aurora Client a different 'scheduler URI' which would allow the client to bypass a downed proxy but still be able to send RPCs. Initially it seemed like this would be the only usecase, but after speaking to [~wfarner] and [~kevints], a more general solution to override various parts of a cluster configuration would be useful.

There is already a [mechanism to go from a cluster's json|https://github.com/apache/aurora/blob/master/src/main/python/apache/aurora/admin/admin.py#L494], so we should consider using the same formatting to make that read+write, vs. just read.



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