Update discovery.kubernetes.md (#4522)

* Update discovery.kubernetes.md Added selectors section to the Limited Searched Namespaces section and changed the description of the section to add the specific labels aspect. * Update docs/sources/flow/reference/components/discovery.kubernetes.md Co-authored-by: Clayton Cornell <[email protected]> * Update docs/sources/flow/reference/components/discovery.kubernetes.md Co-authored-by: Mischa Thompson <[email protected]> * Update docs/sources/flow/reference/components/discovery.kubernetes.md Co-authored-by: Mischa Thompson <[email protected]> * Minor fix to remove full stop --------- Co-authored-by: Clayton Cornell <[email protected]> Co-authored-by: Mischa Thompson <[email protected]>
grafana · Jul 25, 2023 · 3e2c52f · 3e2c52f
1 parent bfb5638
commit 3e2c52f
Showing 1 changed file with 8 additions and 2 deletions.
diff --git a/docs/sources/flow/reference/components/discovery.kubernetes.md b/docs/sources/flow/reference/components/discovery.kubernetes.md
@@ -415,13 +415,19 @@ Replace the following:
   - `USERNAME`: The username to use for authentication to the remote_write API.
   - `PASSWORD`: The password to use for authentication to the remote_write API.
 
-### Limit searched namespaces
+### Limit searched namespaces and filter by labels value
 
-This example limits the namespaces where pods are discovered using the `namespaces` block:
+This example limits the searched namespaces and only selects pods with a specific label value attached to them:
 
 ```river
 discovery.kubernetes "k8s_pods" {
   role = "pod"
+
+  selectors {
+    role = "pod"
+    label = "app.kubernetes.io/name=prometheus-node-exporter"
+  }
+
   namespaces {
     names = ["myapp"]
   }