fix: add missing labels in standard metrics (#10724)

* fix: add missing labels in standard metrics

Refer to: https://github.com/istio/proxy/blob/master/extensions/common/istio_dimensions.h#L27-L52

* Update content/en/docs/reference/config/metrics/index.md

Co-authored-by: Douglas Reid <douglas-reid@users.noreply.github.com>

Co-authored-by: Douglas Reid <douglas-reid@users.noreply.github.com>
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Xunzhuo 2022-01-22 02:56:56 +08:00 committed by GitHub
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@ -117,4 +117,8 @@ For TCP traffic, Istio generates the following metrics:
This is set by: `global.multiCluster.clusterName` at cluster install time.
* **Source Cluster**: This identifies the cluster of the source workload.
This is set by: `global.multiCluster.clusterName` at cluster install time.
This is set by: `global.multiCluster.clusterName` at cluster install time.
* **gRPC Response Status**: This identifies the response status of the gRPC. This
label is present only on gRPC metrics.