# Umbrella chart: Loki (SingleBinary + filesystem) + Promtail + Grafana.
# Keep hostPath below in sync with persistence.hostPath.logs in gitops/values/k3s-example.yaml.

loki:
  deploymentMode: SingleBinary
  loki:
    auth_enabled: false
    commonConfig:
      replication_factor: 1
    storage:
      type: filesystem
    schemaConfig:
      configs:
        - from: "2024-04-01"
          store: tsdb
          object_store: filesystem
          schema: v13
          index:
            prefix: loki_index_
            period: 24h
    limits_config:
      retention_period: 168h
      ingestion_rate_mb: 16
      ingestion_burst_size_mb: 32
  singleBinary:
    replicas: 1
    persistence:
      enabled: true
      size: 10Gi
  backend:
    replicas: 0
  read:
    replicas: 0
  write:
    replicas: 0
  ingester:
    replicas: 0
  querier:
    replicas: 0
  queryFrontend:
    replicas: 0
  queryScheduler:
    replicas: 0
  distributor:
    replicas: 0
  compactor:
    replicas: 0
  indexGateway:
    replicas: 0
  bloomCompactor:
    replicas: 0
  bloomGateway:
    replicas: 0
  ruler:
    replicas: 0
  minio:
    enabled: false
  lokiCanary:
    enabled: false
  test:
    enabled: false
  chunksCache:
    enabled: false
  resultsCache:
    enabled: false

promtail:
  config:
    clients:
      - url: http://{{ .Release.Name }}-loki-gateway.{{ .Release.Namespace }}.svc.cluster.local/loki/api/v1/push
    snippets:
      # Only ingest pod logs from namespace onelab (Explore / Loki stay focused on OneLab).
      extraRelabelConfigs:
        - action: keep
          source_labels:
            - __meta_kubernetes_namespace
          regex: onelab
      extraScrapeConfigs: |
        - job_name: onelab-host-log-files
          static_configs:
            - targets:
                - localhost
              labels:
                job: onelab-files
                namespace: onelab
                component: host-logs
                __path__: /onelab-host-logs/**/*
  extraVolumes:
    - name: onelab-host-logs
      hostPath:
        path: /opt/onelab/logs
        type: DirectoryOrCreate
  extraVolumeMounts:
    - name: onelab-host-logs
      mountPath: /onelab-host-logs
      readOnly: true

# Named Ingress grafana-onelab (templates/ingress-grafana-onelab.yaml). Grafana subchart ingress is disabled.
grafanaOnelabIngress:
  enabled: true
  className: traefik
  host: grafana.k8s.selair.it
  tls: true
  tlsSecretName: grafana-tls-k8s-selair
  clusterIssuer: letsencrypt-prod
  servicePort: 80
  annotations: {}

grafana:
  adminUser: admin
  adminPassword: changeme
  # Load dashboards from ConfigMaps labeled grafana_dashboard (see templates/configmap-dashboard-onelab-logs.yaml).
  sidecar:
    dashboards:
      enabled: true
      label: grafana_dashboard
      folder: /tmp/dashboards
      provider:
        foldersFromFilesStructure: false
        allowUiUpdates: true
    datasources:
      enabled: false
  persistence:
    enabled: true
    size: 2Gi
  service:
    type: ClusterIP
  # Required when served behind Ingress (redirects, OAuth callbacks).
  grafana.ini:
    server:
      domain: grafana.k8s.selair.it
      root_url: https://grafana.k8s.selair.it/
  ingress:
    enabled: false
  datasources:
    datasources.yaml:
      apiVersion: 1
      datasources:
        - name: Loki
          type: loki
          uid: loki
          url: http://{{ .Release.Name }}-loki-gateway.{{ .Release.Namespace }}.svc.cluster.local
          access: proxy
          isDefault: true
          jsonData:
            maxLines: 1000