4f66f7f7ed
- Promtail: keep kubernetes-pods in namespace onelab; tag host file logs (host-logs) - Grafana: enable dashboard sidecar; ConfigMap onelab-logs.json - Dashboard: stats (total/error/warn heuristics), logs panel, component + regex filters Made-with: Cursor
147 lines
3.5 KiB
YAML
147 lines
3.5 KiB
YAML
# Umbrella chart: Loki (SingleBinary + filesystem) + Promtail + Grafana.
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# Keep hostPath below in sync with persistence.hostPath.logs in gitops/values/k3s-example.yaml.
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loki:
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deploymentMode: SingleBinary
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loki:
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auth_enabled: false
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commonConfig:
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replication_factor: 1
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storage:
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type: filesystem
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schemaConfig:
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configs:
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- from: "2024-04-01"
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store: tsdb
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object_store: filesystem
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schema: v13
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index:
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prefix: loki_index_
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period: 24h
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limits_config:
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retention_period: 168h
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ingestion_rate_mb: 16
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ingestion_burst_size_mb: 32
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singleBinary:
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replicas: 1
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persistence:
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enabled: true
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size: 10Gi
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backend:
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replicas: 0
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read:
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replicas: 0
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write:
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replicas: 0
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ingester:
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replicas: 0
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querier:
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replicas: 0
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queryFrontend:
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replicas: 0
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queryScheduler:
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replicas: 0
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distributor:
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replicas: 0
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compactor:
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replicas: 0
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indexGateway:
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replicas: 0
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bloomCompactor:
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replicas: 0
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bloomGateway:
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replicas: 0
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ruler:
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replicas: 0
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minio:
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enabled: false
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lokiCanary:
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enabled: false
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test:
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enabled: false
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chunksCache:
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enabled: false
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resultsCache:
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enabled: false
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promtail:
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config:
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clients:
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- url: http://{{ .Release.Name }}-loki-gateway.{{ .Release.Namespace }}.svc.cluster.local/loki/api/v1/push
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snippets:
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# Only ingest pod logs from namespace onelab (Explore / Loki stay focused on OneLab).
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extraRelabelConfigs:
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- action: keep
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source_labels:
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- __meta_kubernetes_namespace
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regex: onelab
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extraScrapeConfigs: |
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- job_name: onelab-host-log-files
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static_configs:
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- targets:
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- localhost
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labels:
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job: onelab-files
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namespace: onelab
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component: host-logs
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__path__: /onelab-host-logs/**/*
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extraVolumes:
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- name: onelab-host-logs
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hostPath:
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path: /opt/onelab/logs
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type: DirectoryOrCreate
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extraVolumeMounts:
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- name: onelab-host-logs
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mountPath: /onelab-host-logs
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readOnly: true
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# Named Ingress grafana-onelab (templates/ingress-grafana-onelab.yaml). Grafana subchart ingress is disabled.
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grafanaOnelabIngress:
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enabled: true
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className: traefik
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host: grafana.k8s.selair.it
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tls: true
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tlsSecretName: grafana-tls-k8s-selair
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clusterIssuer: letsencrypt-prod
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servicePort: 80
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annotations: {}
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grafana:
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adminUser: admin
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adminPassword: changeme
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# Load dashboards from ConfigMaps labeled grafana_dashboard (see templates/configmap-dashboard-onelab-logs.yaml).
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sidecar:
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dashboards:
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enabled: true
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label: grafana_dashboard
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folder: /tmp/dashboards
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provider:
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foldersFromFilesStructure: false
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allowUiUpdates: true
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datasources:
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enabled: false
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persistence:
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enabled: true
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size: 2Gi
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service:
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type: ClusterIP
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# Required when served behind Ingress (redirects, OAuth callbacks).
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grafana.ini:
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server:
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domain: grafana.k8s.selair.it
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root_url: https://grafana.k8s.selair.it/
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ingress:
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enabled: false
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datasources:
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datasources.yaml:
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apiVersion: 1
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datasources:
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- name: Loki
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type: loki
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uid: loki
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url: http://{{ .Release.Name }}-loki-gateway.{{ .Release.Namespace }}.svc.cluster.local
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access: proxy
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isDefault: true
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jsonData:
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maxLines: 1000
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