mirror of https://github.com/apache/druid.git
30c24df4d3
* Add config option for namespacePrefix opentsdb emitter sends metric names to opentsdb verbatim as what druid names them, for example "query.count", this doesn't fit well with a central opentsdb server which might have namespaced metrics, for example "druid.query.count". This adds support for adding an optional prefix. The prefix also gets a trailing dot (.), after it, so the metric name becomes <namespacePrefix>.<metricname> configureable as "druid.emitter.opentsdb.namespacePrefix", as documented. Co-authored-by: Martin Gerholm <martin.gerholm@deltaprojects.com> Signed-off-by: Martin Gerholm <martin.gerholm@deltaprojects.com> Signed-off-by: Björn Zettergren <bjorn.zettergren@deltaprojects.com> * Spelling for PR #9372 Added "namespacePrefix" to .spelling exceptions, it's a variable name used in documentation for opentsdb-emitter. * fixing tests for PR #9372 changed naming of variables to be more descriptive added test of prefix being an empty string: "". added a conditional to buildNamespacePrefix to check for empty string being fed if EventConverter called without OpentsdbEmitterConfig instance. * fixing checkstyle errors for PR #9372 used == to compare literal string, should be equals() * cleaned up and updated PR #9372 Created a buildMetric function as suggested by clintropolis, and removed redundant tests for empty strings as they're only used when calling EventConverter directly without going through OpentsdbEmitterConfig. * consistent naming of tests PR #9372 Changed names of tests in files to match better with what it was actually testing changed check for Strings.isNullOrEmpty to just check for `null`, as empty string valued `namespacePrefix` is handled in OpentsdbEmitterConfig. Co-authored-by: Martin Gerholm <inspector-martin@users.noreply.github.com> |
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