[jira] [Updated] (NIFI-5535) DataDogReportingTask is not tagging metrics properly

["Matt Burgess (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/NIFI-5535?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Burgess updated NIFI-5535:
-------------------------------
    Affects Version/s:     (was: 1.7.1)
               Status: Patch Available  (was: Open)

> DataDogReportingTask is not tagging metrics properly
> ----------------------------------------------------
>
>                 Key: NIFI-5535
>                 URL: https://issues.apache.org/jira/browse/NIFI-5535
>             Project: Apache NiFi
>          Issue Type: Improvement
>          Components: Extensions
>            Reporter: Corey Fritz
>            Priority: Major
>         Attachments: Screen Shot 2018-08-19 at 12.33.58 AM.png
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> The current (and looks like original) implementation of the DataDogReportingTask is not applying metric tags correctly, and as a result, the "Environment" configuration property on that task does not work. This means that you're not going to be able to use tags to differentiate the metric values coming from different environments.
> Currently, every metric reported by this task gets the same set of tags applied:
> {code:java}
> connection-destination-id
> connection-destination-name
> connection-group-id
> connection-id
> connection-name
> connection-source-id
> connection-source-name
> dataflow_id
> env
> port-group-id
> port-id
> port-name{code}
> This list is defined here: [https://github.com/apache/nifi/blob/master/nifi-nar-bundles/nifi-datadog-bundle/nifi-datadog-reporting-task/src/main/java/org/apache/nifi/reporting/datadog/metrics/MetricsService.java#L111-L126]
> I've attached a screenshot from Datadog demonstrating a JVM metric with all of these tags applied.
> Each of these tags should include a value, i.e. "env:dev" instead of just "env".
> Other observations:
>  * it doesn't make sense to attach the _connection-_ and _port-_ tags to JVM metrics
>  * I'm not sure I see any value in the _dataflow_id_ tag
> I was hoping for a quick fix when I noticed the environment tagging wasn't working, but after reviewing the code I think a not insignificant refactoring will be required. I'll try to tackle this if/when time allows.
> See here for more context on Datadog tagging: [https://docs.datadoghq.com/tagging]
>  



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