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Updating how-monitoring-works.md across versions

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Signed-off-by: Sunil Singh <sunil.singh@suse.com>
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Sunil Singh
2026-03-19 12:54:23 -07:00
parent 0035f604cf
commit 0a206c2a71
12 changed files with 60 additions and 48 deletions
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versioned_docs/version-2.14/integrations-in-rancher/monitoring-and-alerting/how-monitoring-works.md
+5 -5
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@@ -210,13 +210,13 @@ Certain internal Kubernetes components are scraped via a proxy deployed as part
The following Kubernetes components are directly scraped by Prometheus:
- kubelet*
- ingress-nginx**
- Traefik**
- coreDns/kubeDns
- kube-api-server
\* You can optionally use `hardenedKubelet.enabled` to use a PushProx, but that is not the default.
** For RKE2 clusters, ingress-nginx is deployed by default and treated as an internal Kubernetes component.
** For RKE2 clusters, Traefik is deployed by default and treated as an internal Kubernetes component.
### Scraping Metrics Based on Kubernetes Distribution
@@ -231,11 +231,11 @@ Metrics are scraped differently based on the Kubernetes distribution. For help w
| etcd | rke2Etcd.enabled | kubeAdmEtcd.enabled | Not available |
| kube-proxy | rke2Proxy.enabled | kubeAdmProxy.enabled | k3sServer.enabled |
| kubelet | Collects metrics directly exposed by kubelet | Collects metrics directly exposed by kubelet | Collects metrics directly exposed by kubelet |
| ingress-nginx* | Collects metrics directly exposed by kubelet, Exposed by rke2IngressNginx.enabled | Not available | Not available |
| Traefik* | Collects metrics directly exposed by kubelet | Not available | Not available |
| coreDns/kubeDns | Collects metrics directly exposed by coreDns/kubeDns | Collects metrics directly exposed by coreDns/kubeDns | Collects metrics directly exposed by coreDns/kubeDns |
| kube-api-server | Collects metrics directly exposed by kube-api-server | Collects metrics directly exposed by kube-appi-server | Collects metrics directly exposed by kube-api-server |
\* For RKE2 clusters, ingress-nginx is deployed by default and treated as an internal Kubernetes component.
\* For RKE2 clusters, Traefik is deployed by default and treated as an internal Kubernetes component.
### Terminology
@@ -244,6 +244,6 @@ Metrics are scraped differently based on the Kubernetes distribution. For help w
- **etcd:** The internal Kubernetes component that is the distributed key/value store which Kubernetes uses for persistent storage of all cluster information.
- **kube-proxy:** The internal Kubernetes component that watches the API server for pods/services changes in order to maintain the network up to date.
- **kubelet:** The internal Kubernetes component that watches the API server for pods on a node and makes sure they are running.
- **ingress-nginx:** An Ingress controller for Kubernetes using NGINX as a reverse proxy and load balancer.
- **Traefik:** An Ingress controller for Kubernetes that can be used as a reverse proxy and load balancer.
- **coreDns/kubeDns:** The internal Kubernetes component responsible for DNS.
- **kube-api-server:** The main internal Kubernetes component that is responsible for exposing APIs for the other master components.