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Add information about HEC JSON format limitations and workaround (#7459)

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Alex Samorukov 2020-05-05 20:12:21 +02:00 committed by GitHub
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19
plugins/serializers/splunkmetric/README.md
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@ -165,3 +165,22 @@ An example configuration of a file based output is:
splunkmetric_hec_routing = false
splunkmetric_multimetric = true
```
## Non-numeric metric values
Splunk supports only numeric field values, so serializer would silently drop metrics with the string values. For some cases it is possible to workaround using ENUM processor. Example, provided below doing this for the `docker_container_health.health_status` metric:
```toml
# splunkmetric does not support sting values
[[processors.enum]]
namepass = ["docker_container_health"]
[[processors.enum.mapping]]
## Name of the field to map
field = "health_status"
[processors.enum.mapping.value_mappings]
starting = 0
healthy = 1
unhealthy = 2
none = 3
```