ljwx-k8s/loki-values.yaml

# Loki Stack 配置（适用于 OrbStack 单节点环境）
# 完整日志采集和存储方案

loki:
  enabled: true
  isDefault: true

  # 持久化存储配置
  persistence:
    enabled: true
    size: 10Gi
    storageClassName: "" # 使用默认 StorageClass

  # 资源限制（针对本地开发环境优化）
  resources:
    requests:
      cpu: 100m
      memory: 256Mi
    limits:
      cpu: 500m
      memory: 512Mi

  # Loki 配置
  config:
    auth_enabled: false

    ingester:
      chunk_idle_period: 3m
      chunk_block_size: 262144
      chunk_retain_period: 1m
      max_transfer_retries: 0
      lifecycler:
        ring:
          kvstore:
            store: inmemory
          replication_factor: 1

    limits_config:
      enforce_metric_name: false
      reject_old_samples: true
      reject_old_samples_max_age: 168h
      max_entries_limit_per_query: 5000
      max_streams_per_user: 0
      max_global_streams_per_user: 0
      ingestion_rate_mb: 10
      ingestion_burst_size_mb: 20

    schema_config:
      configs:
        - from: 2024-01-01
          store: boltdb-shipper
          object_store: filesystem
          schema: v11
          index:
            prefix: index_
            period: 24h

    server:
      http_listen_port: 3100
      grpc_listen_port: 9095

    storage_config:
      boltdb_shipper:
        active_index_directory: /data/loki/boltdb-shipper-active
        cache_location: /data/loki/boltdb-shipper-cache
        cache_ttl: 24h
        shared_store: filesystem
      filesystem:
        directory: /data/loki/chunks

    chunk_store_config:
      max_look_back_period: 0s

    table_manager:
      retention_deletes_enabled: false
      retention_period: 0s

    compactor:
      working_directory: /data/loki/boltdb-shipper-compactor
      shared_store: filesystem

promtail:
  enabled: true

  # 资源限制
  resources:
    requests:
      cpu: 50m
      memory: 128Mi
    limits:
      cpu: 200m
      memory: 256Mi

  # Promtail 配置
  config:
    # 日志位置（适配 OrbStack）
    clients:
      - url: http://loki:3100/loki/api/v1/push

    positions:
      filename: /run/promtail/positions.yaml

    scrape_configs:
      # 采集所有 pod 日志
      - job_name: kubernetes-pods
        pipeline_stages:
          - cri: {}
          - json:
              expressions:
                timestamp: time
                message: log
                level: level
                trace_id: trace_id
                span_id: span_id
          - labels:
              level:
              trace_id:
              span_id:
          - timestamp:
              source: timestamp
              format: RFC3339Nano
          - output:
              source: message

        kubernetes_sd_configs:
          - role: pod

        relabel_configs:
          # 只采集 running 状态的 pod
          - source_labels:
              - __meta_kubernetes_pod_phase
            action: keep
            regex: Running

          # 添加 namespace 标签
          - source_labels:
              - __meta_kubernetes_pod_namespace
            target_label: namespace

          # 添加 pod 名称标签
          - source_labels:
              - __meta_kubernetes_pod_name
            target_label: pod

          # 添加 container 名称标签
          - source_labels:
              - __meta_kubernetes_pod_container_name
            target_label: container

          # 添加 app 标签
          - source_labels:
              - __meta_kubernetes_pod_label_app
            target_label: app

          # 添加 node 标签
          - source_labels:
              - __meta_kubernetes_pod_node_name
            target_label: node

          # 构造日志文件路径
          - source_labels:
              - __meta_kubernetes_pod_uid
              - __meta_kubernetes_pod_container_name
            target_label: __path__
            separator: /
            replacement: /var/log/pods/*$1/*.log

      # 采集 systemd 日志（可选）
      - job_name: systemd-journal
        journal:
          path: /var/log/journal
          max_age: 12h
          labels:
            job: systemd-journal
        relabel_configs:
          - source_labels:
              - __journal__systemd_unit
            target_label: unit
          - source_labels:
              - __journal__hostname
            target_label: hostname

  # 挂载主机日志目录
  volumeMounts:
    - name: varlog
      mountPath: /var/log
      readOnly: true
    - name: varlibdockercontainers
      mountPath: /var/lib/docker/containers
      readOnly: true
    - name: run
      mountPath: /run/promtail

  volumes:
    - name: varlog
      hostPath:
        path: /var/log
    - name: varlibdockercontainers
      hostPath:
        path: /var/lib/docker/containers
    - name: run
      hostPath:
        path: /run/promtail

  # DaemonSet 配置（在每个节点上运行）
  tolerations:
    - effect: NoSchedule
      operator: Exists

  serviceMonitor:
    enabled: false

# 禁用不需要的组件
grafana:
  enabled: false

prometheus:
  enabled: false

fluent-bit:
  enabled: false

filebeat:
  enabled: false

logstash:
  enabled: false