[Feature] Add support for configuring labels emitted in metrics #70
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In environments with lots of nodes or lots of certificates (or both), emitting all labels might prove problematic due to the increased cardinality. To keep cardinality under control, this commit introduces a way to configure which labels should be emitted, by introducing a new command line switch, `--include-labels`. Examples: ``` $ ./bin/node-cert-exporter ... --include-labels alg,path,subject $ ./bin/node-cert-exporter ... --include-labels alg --include-labels path ``` Signed-off-by: Costas Drogos <[email protected]>
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In environments with lots of nodes or lots of certificates (or both), emitting all labels might prove problematic due to the increased cardinality.
To keep cardinality under control, this commit introduces a way to configure which labels should be emitted, by introducing a new command line switch,
--include-labels.Examples:
- What I did
Introduced a new switch that allows for choosing which labels emitted metrics should have.
- How I did it
New switch, conditionals in exporter.go
- How to verify it
--include-labelsswitch, which should show the presence of absence of labels.- Description for the CHANGELOG
Configurable labels in metrics are now possible