[jira] [Created] (CASSANDRA-19706) Enable colour nodetool status output

["Tibor Repasi (Jira)" <ji...@apache.org>]

Tibor Repasi created CASSANDRA-19706:
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             Summary: Enable colour nodetool status output
                 Key: CASSANDRA-19706
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-19706
             Project: Cassandra
          Issue Type: Improvement
          Components: Tool/nodetool
            Reporter: Tibor Repasi


To improve human readability of {{nodetool status}}, the following patch adds an option that enables status lines to be printed augmented by different colors. Warning color - yellow by default - is used for a node joining, leaving or moving and alert color - red by default - is used for nodes which are not up.

The option {{-c}} or {{--color}} enables the feature. Alternatively, the environment variable {{NODETOOL_COLOR_OUTPUT}} set {{true}} will enable it by default. Further environment variables {{NODETOOL_WARNING_COLOR}} and {{NODETOOL_ALERT_COLOR}} allow to override the default colors by setting to values 30-37 of the standard ANSI codes for foreground color.



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