# Grafana Loki — noble lab (SingleBinary, filesystem on Longhorn; no MinIO/S3).
#
# Chart: grafana/loki — pin version on install (e.g. 6.55.0).
#
# kubectl apply -f clusters/noble/apps/loki/namespace.yaml
# helm repo add grafana https://grafana.github.io/helm-charts
# helm repo update
# helm upgrade --install loki grafana/loki -n loki \
#   --version 6.55.0 -f clusters/noble/apps/loki/values.yaml --wait --timeout 30m
#
# Query/push URL for Grafana + Fluent Bit: http://loki-gateway.loki.svc.cluster.local:80

deploymentMode: SingleBinary

loki:
  # Single-tenant lab: chart default auth_enabled: true requires X-Scope-OrgID on every query/push (Grafana + Fluent Bit break).
  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
  pattern_ingester:
    enabled: false
  limits_config:
    allow_structured_metadata: true
    volume_enabled: true

singleBinary:
  replicas: 1
  persistence:
    enabled: true
    storageClass: longhorn
    size: 30Gi

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

minio:
  enabled: false

gateway:
  enabled: true

# Memcached chunk cache: chart default is ~8Gi RAM requests; even 512Mi can stay Pending on small clusters (affinity).
# Homelab: disable — Loki works without it; queries may be slightly slower under load.
chunksCache:
  enabled: false