[jira] [Created] (ACCUMULO-1785) Alter config.sh to optionally just verify environment instead of making changes

["Sean Busbey (JIRA)" <ji...@apache.org>]

Sean Busbey created ACCUMULO-1785:
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             Summary: Alter config.sh to optionally just verify environment instead of making changes
                 Key: ACCUMULO-1785
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1785
             Project: Accumulo
          Issue Type: Improvement
          Components: scripts
    Affects Versions: 1.5.0, 1.4.4
            Reporter: Sean Busbey
            Priority: Minor


Right now, the accumulo scripts presume that invocation always happens on a node in the cluster. This makes integrating with external cluster management software more difficult.

The primary issue is that bin/config.sh expects to find a full cluster configuration directory at all times. In the case of a configuration directory that doesn't specify any hosts it takes steps to set up a standalone cluster. That effort is unneeded and undesirable if we're just e.g. trying to go through init from a non-participant host.

Add an optional environment variable to have config.sh just verify the invariants needed for bin/accumulo to behave correctly. When present, don't make local directories or write to files.



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