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document metric name templating for regex matches

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Erick Pintor 2018-01-17 14:30:40 -02:00
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@ -135,6 +135,18 @@ mappings:
provider: "$1"
```
The metric name can also contain references to regex matches. The mapping above
could be written as:
```
mappings:
- match: test\.(\w+)\.(\w+)\.counter
match_type: regex
name: "${2}_counter"
labels:
provider: "$1"
```
If the default metric help text is insufficient for your needs you may use the YAML
configuration to specify a custom help text for each mapping:
```yaml