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new aed718806c [YUNIKORN-2746] Adopting prometheus service monitor instead
of modifying config (#455)
aed718806c is described below
commit aed718806cf1edf1b684695b65099835528d9f5d
Author: SP12893678 <[email protected]>
AuthorDate: Sun Jul 14 14:55:36 2024 +0800
[YUNIKORN-2746] Adopting prometheus service monitor instead of modifying
config (#455)
---
docs/assets/prometheus-web-ui-target-yunikorn.png | Bin 0 -> 41973 bytes
docs/user_guide/prometheus.md | 62 +++++++++++++---------
2 files changed, 37 insertions(+), 25 deletions(-)
diff --git a/docs/assets/prometheus-web-ui-target-yunikorn.png
b/docs/assets/prometheus-web-ui-target-yunikorn.png
new file mode 100644
index 0000000000..4a2e3412e8
Binary files /dev/null and b/docs/assets/prometheus-web-ui-target-yunikorn.png
differ
diff --git a/docs/user_guide/prometheus.md b/docs/user_guide/prometheus.md
index e75bdee503..8d7fb13781 100644
--- a/docs/user_guide/prometheus.md
+++ b/docs/user_guide/prometheus.md
@@ -95,52 +95,64 @@ helm repo add prometheus-community
https://prometheus-community.github.io/helm-c
helm repo update
```
-### 2. Configuring yunikorn for prometheus
+### 2. Use helm to create Prometheus
-Get the config from repository.
```yaml
-helm show values prometheus-community/kube-prometheus-stack > /tmp/values.yaml
+# create k8s namespace
+kubectl create namespace prometheus
+
+# deploy chart
+helm install prometheus prometheus-community/kube-prometheus-stack -n
prometheus
```
-Add a new job in Prometheus to collect metrics by scraping the metrics HTTP
endpoints of the targets.
+### 3. Use Service Mointor to Define monitor yunikorn service target
+
+create `yunikorn-service-monitor.yaml` as following configuration.
```yaml
-vim /tmp/values.yaml
-```
-```yaml
-...
-additionalScrapeConfigs:
- - job_name: "yunikorn"
- scrape_interval: 1s
- metrics_path: '/ws/v1/metrics'
- static_configs:
- - targets: ["yunikorn-service.yunikorn.svc.cluster.local:9080"]
-...
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+ name: yunikorn-service-monitor
+ namespace: yunikorn
+ labels:
+ release: prometheus
+spec:
+ selector:
+ matchLabels:
+ app: yunikorn
+ namespaceSelector:
+ matchNames:
+ - yunikorn
+ endpoints:
+ - port: yunikorn-service
+ path: /ws/v1/metrics
+ interval: 30s
```
-
-### 3. Use helm to create Prometheus
-```yaml
-# create k8s namespace
-kubectl create namespace prometheus
+Run the following command to create service monitor.
-# deploy chart
-helm install prometheus prometheus-community/kube-prometheus-stack -n
prometheus -f /tmp/values.yaml
+```shell
+kubectl apply -f yunikorn-service-monitor.yaml
```
-
+
### 4. Access the Prometheus Web UI
-```yaml
+```shell
kubectl port-forward -n prometheus svc/prometheus-kube-prometheus-prometheus
9090:9090
```
After running port-forward, you can enter
[localhost:9090](http://localhost:9090) to access Prometheus Web UI.
+We can search yunikorn keyword to find the mointor target in targets page, and
check the status.
+
+
+
## Access Grafana Dashboard
Port forwarding for the Grafana web service on the standard port can be turned
on via:
-```yaml
+```shell
kubectl port-forward -n prometheus svc/prometheus-grafana 7070:80
```
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