feat: add Grafana dashboards

kubernetes/apps/observability/kube-prometheus-stack/app/helmrelease.yaml

@@ -157,3 +157,11 @@ spec:
           multicluster:
             etcd:
               enabled: true
+      persistence:
+        enabled: true
+        storageClassName: longhorn
+        accessModes:
+          - ReadWriteOnce
+        size: 8Gi
+        finalizers:
+          - kubernetes.io/pvc-protection

kubernetes/apps/observability/kube-prometheus-stack/app/scrapeconfigs/geth.yaml

@@ -0,0 +1,14 @@
+---
+# yaml-language-server: $schema=https://kubernetes-schemas.pages.dev/monitoring.coreos.com/scrapeconfig_v1alpha1.json
+apiVersion: monitoring.coreos.com/v1alpha1
+kind: ScrapeConfig
+metadata:
+  name: geth
+  namespace: observability
+spec:
+  staticConfigs:
+    - labels:
+        job: geth
+      targets:
+        - 192.168.0.148:6060
+  metricsPath: /debug/metrics/prometheus

kubernetes/apps/observability/kube-prometheus-stack/app/scrapeconfigs/kustomization.yaml

@@ -3,4 +3,5 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
+  - ./geth.yaml
   - ./node-exporter.yaml

kubernetes/apps/observability/kube-prometheus-stack/app/scrapeconfigs/node-exporter.yaml

@@ -4,10 +4,15 @@ apiVersion: monitoring.coreos.com/v1alpha1
 kind: ScrapeConfig
 metadata:
   name: node-exporter
+  namespace: observability
 spec:
   staticConfigs:
     - labels:
         job: node-exporter
       targets:
         - 192.168.0.148:9100
+    - labels:
+        job: prysm
+      targets:
+        - 192.168.0.148:8080
   metricsPath: /metrics