home-server/deployments/monitoring/grafana-loki.yaml

---
apiVersion: v1
kind: Namespace
metadata:
  name: observability
---
apiVersion: source.toolkit.fluxcd.io/v1
kind: HelmRepository
metadata:
  name: grafana
  namespace: flux-system
spec:
  url: https://grafana.github.io/helm-charts
  interval: 1h
---
apiVersion: helm.toolkit.fluxcd.io/v2
kind: HelmRelease
metadata:
  name: loki
  namespace: observability
spec:
  interval: 30m
  chart:
    spec:
      chart: loki
      version: 6.6.4
      sourceRef:
        kind: HelmRepository
        name: grafana
        namespace: flux-system
  install:
    createNamespace: true
  values:
    loki:
      auth_enabled: false
    singleBinary:
      replicas: 1
    write:
      replicas: 1
    read:
      replicas: 1
    backend:
      replicas: 1
---
apiVersion: helm.toolkit.fluxcd.io/v2
kind: HelmRelease
metadata:
  name: grafana
  namespace: observability
spec:
  interval: 30m
  chart:
    spec:
      chart: grafana
      version: 7.3.0
      sourceRef:
        kind: HelmRepository
        name: grafana
        namespace: flux-system
  install:
    createNamespace: true
  values:
    admin:
      existingSecret: grafana-admin-secret
      userKey: admin-user
      passwordKey: admin-password
    service:
      type: LoadBalancer
    datasources:
      datasources.yaml:
        apiVersion: 1
        datasources:
          - name: Loki
            type: loki
            access: proxy
            url: http://loki:3100
            isDefault: true