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update readme

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Signed-off-by: Miek Gieben <miek@miek.nl>
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Miek Gieben
2020-01-23 16:45:49 +01:00
parent 6a9dc85c10
commit 7ffd0b57ac
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7
plugin/traffic/README.md
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@@ -117,6 +117,13 @@ If `locality` *has* been specified there is an extra step between 3 and 4.
**REGION,ZONE** and then **REGION**. If still not match, move on the to next one. If we found
none, we continue with step 4 above, ignoring any locality.
### Metadata
The metadata must be populated as follows (remains to be seen if this is the way to do it). There
must be a field with the key `HEALTH_STATUS` and the string value must be `DRAINING`. These values
are copied from Envoy protocol buffers. Anything other than `DRAINING` and `HEALTH_STATUS` or a
missing metadata means *traffic* will ignore it.
## Metrics
If monitoring is enabled (via the *prometheus* plugin) then the following metric are exported: