# Sub2API 多机节点 Prometheus 配置
# 本地保留3天，同时 remote_write 到中心存储

global:
  scrape_interval: 15s
  evaluation_interval: 15s
  external_labels:
    cluster: '${CLUSTER_NAME:-sub2api}'
    replica: '${INSTANCE_NAME:-node-1}'
    region: '${REGION:-default}'

# 本地只保留3天数据
storage:
  tsdb:
    retention.time: 3d
    retention.size: 500MB
    wal-compression: true

# 发送到中心存储
remote_write:
  - url: '${VM_INSERT_URL:-http://localhost:8480}/insert/0/prometheus/api/v1/write'
    queue_config:
      capacity: 10000
      max_samples_per_send: 2000
      batch_send_deadline: 5s
      min_shards: 1
      max_shards: 2
      min_backoff: 30ms
      max_backoff: 5s
    metadata_config:
      send: true
      max_samples_per_send: 2000

rule_files:
  - 'rules/sub2api-alerts-light.yml'

scrape_configs:
  - job_name: 'sub2api-app'
    static_configs:
      - targets: ['localhost:8080']
        labels:
          service: 'sub2api'
          tier: 'backend'
    metrics_path: '/metrics'
    scrape_interval: 15s

  - job_name: 'node-exporter'
    static_configs:
      - targets: ['localhost:9100']
    scrape_interval: 15s

  - job_name: 'prometheus'
    static_configs:
      - targets: ['localhost:9090']
    scrape_interval: 15s