1.1 Tasks: Setup

Mon, 01 Jan 0001 00:00:00 +0000

Task 1.1.1: Getting Started

In Bearbeitung.

Task 1.1.2: Install Prometheus

Mit ArgoCD

In Bearbeitung.

---
apiVersion: argoproj.io/v1alpha1
kind: Application
metadata:
  name: <user>-app-of-apps
  namespace: argocd
spec:
  destination:
    namespace: argocd
    server: https://kubernetes.default.svc
  project: default
  source:
    repoURL: 'https://gitea.training.cluster.acend.ch/<user>/prometheus-training-lab-setup'
    path: apps/
    targetRevision: main
  syncPolicy:
    automated:
      prune: true
      selfHeal: true
    syncOptions:
      - Replace=true

kubectl argocd create -f user-app-of-apps.yaml

Deploy Prometheus

Wir verwenden diese Helm-Chart: https://github.com/prometheus-community/helm-charts/blob/main/charts/kube-prometheus-stack/README.md

helm install -f kube-prom-stack-values.yaml -n monitoring-system prometheus-stack oci://ghcr.io/prometheus-community/charts/kube-prometheus-stack

# kube-prom-stack-values.yaml
prometheusOperator:
  enabled: true
prometheus:
  enabled: true
  ingress:
    enabled: true
    # ingressClassName: "traefik"
    hosts:
      - prometheus.app.lernvirt.ch

thanosRuler:
  enabled: true
  ingress:
    enabled: true
    # ingressClassName: "traefik"
    hosts:
      - thanosruler.app.lernvirt.ch
grafana:
  enabled: true
  ingress:
    enabled: true
    # ingressClassName: "traefik"
    hosts:
      - grafana.app.lernvirt.ch

alertmanager:
  enabled: true
  ingress:
    enabled: true
    # ingressClassName: "traefik"
    hosts:
      - alertmanager.app.lernvirt.ch

Configure Prometheus

As mentioned in the introduction, configuring a Prometheus on Kubernetes can be done using the Prometheus Operator. We basically need to specify a Prometheus custom resource and the Operator will do its work. In the prometheus custom resource’s spec block you can find various configuration options:

1. Setting up Prometheus on IT-CNE Cloud-Native Core

1.1 Tasks: Setup

Task 1.1.1: Getting Started

Task 1.1.2: Install Prometheus

Mit ArgoCD

Deploy Prometheus

Configure Prometheus