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The labels of the metrics (countries in this case), is not known in advance.
The regularity of publishing the metrics needs to be decided by the user.
Designing the Workflow
The workflow handling the data in this example contains an Aggregation agent that consolidates the metrics for each country present in the input data since we do not want to publish metrics for each record processed. The consolidated metrics are then forwarded to an Analysis agent that maps the aggregated data to a PrometheusUDR
before sending it to a Prometheus Agent.
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Analysis Agent Configuration
The Analysis Agent is configured with the following code:
Code Block |
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consume { debug(input); PrometheusUDR promUDR = udrCreate(PrometheusUDR); map<string,string> labels = mapCreate(string,string); mapSet(labels, "country", input.countryOfOrigin); promUDR.Description = "Sum of members' country of origin."; promUDR.Labels = labels; promUDR.MetricType = "GAUGE"; promUDR.Name = "NoOfMembersPerCountry"; promUDR.Value = input.count; debug(promUDR); udrRoute(promUDR); } |
Debug Examples
The debug output from the Analysis agent for one of the countries (France) will look like this:
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