primo

add-on/grafana.txt

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+Aggiungere repository Helm Grafana
+
+helm repo add grafana https://grafana.github.io/helm-charts
+helm repo update
+----
+kubectl create namespace grafana
+----
+grafana-values.yaml:
+replicas: 1
+
+adminUser: admin
+adminPassword: KAYQE1QA7uwUZ8uI5
+
+service:
+  type: ClusterIP
+  port: 80
+
+persistence:
+  enabled: true
+  size: 10Gi
+
+resources:
+  requests:
+    cpu: 100m
+    memory: 128Mi
+  limits:
+    cpu: 500m
+    memory: 512Mi
+---	
+helm install grafana grafana/grafana  -n grafana  -f grafana-values.yaml
+---  
+apiVersion: gateway.networking.k8s.io/v1
+kind: HTTPRoute
+metadata:
+  name: grafana
+spec:
+  hostnames:
+  - tekton.italiadatacenter.com
+  parentRefs:
+  - name: main-gateway
+    namespace: nginx-gateway
+  rules:
+  - matches:
+    - path:
+        type: PathPrefix
+        value: /
+    backendRefs:
+    - name: grafana
+      port: 80 
+  
+  
+  
+******************  TEST ****************************
+Accesso alla UI Grafana
+  
+Aprire browser:
+
+http://localhost:3000
+
+Login:
+
+user: admin
+password: KAYQE1QA7uwUZ8uI5
+
+
+
+link svc:
+  grafana.grafana.svc.cluster.local
+
+
+---------------------------------------
+Aggiungere InfluxDB come datasource
+
+
+In Grafana:
+
+Connections
+   ↓
+Data Sources
+   ↓
+Add data source
+   ↓
+InfluxDB
+
+Configurazione:
+
+URL
+http://influxdb:8086
+
+Organization:
+demo-org
+
+Token:
+my-super-token
+
+Bucket:
+demo-bucket
+
+Salva.
+
+6️⃣ Test datasource
+
+Click:
+
+Save & Test
+
+Se corretto:
+
+Datasource is working
+7️⃣ Creare dashboard
+
+In Grafana:
+
+Create
+  ↓
+Dashboard
+  ↓
+Add panel
+
+Query esempio (InfluxDB Flux):
+
+from(bucket: "demo-bucket")
+  |> range(start: -1h)