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metrics.md

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metrics.md 1.91 KiB

Prometheus Metrics library

Introduced in GitLab 9.0

GitLab offers automatic detection of select Prometheus exporters. Currently supported exporters are:

We have tried to surface the most important metrics for each exporter, and will be continuing to add support for additional exporters in future releases. If you would like to add support for other official exporters, contributions are welcome.

Identifying Environments

GitLab retrieves performance data from the configured Prometheus server, and attempts to identifying the presence of known metrics. Once identified, GitLab then needs to be able to map the data to a particular environment.

In order to isolate and only display relevant metrics for a given environment, GitLab needs a method to detect which labels are associated. To do that, GitLab will look for the required metrics which have a label that matches the [$CI_ENVIRONMENT_SLUG][ci-environment-slug].

For example if you are deploying to an environment named production, there must be a label for the metric with the value of production.

Adding to the library