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add client labels to k8s plugin metadata (#6475)

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Signed-off-by: Nolan Miles <nolanpmiles@gmail.com>
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miles-to-go
2024-03-07 14:34:09 -05:00
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parent 3d67ee907d
commit 92b7e658e3
5 changed files with 24 additions and 5 deletions
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plugin/kubernetes/README.md
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@@ -207,9 +207,11 @@ plugin is also enabled:
* `kubernetes/service`: the service name in the query
* `kubernetes/client-namespace`: the client pod's namespace (see requirements below)
* `kubernetes/client-pod-name`: the client pod's name (see requirements below)
* `kubernetes/client-label/<label key>`: a label on the client pod (see requirements below)
The `kubernetes/client-namespace` and `kubernetes/client-pod-name` metadata work by reconciling the
client IP address in the DNS request packet to a known pod IP address. Therefore the following is required:
The `kubernetes/client-namespace`, `kubernetes/client-pod-name`, and `kubernetes/client-label/<label key>`
metadata work by reconciling the client IP address in the DNS request packet to a known pod IP address.
Therefore the following is required:
* `pods verified` mode must be enabled
* the remote IP address in the DNS packet received by CoreDNS must be the IP address
of the Pod that sent the request.