apiVersion: v1
kind: ConfigMap
metadata:
  name: prometheus-config
  namespace: monitor
data:
  prometheus.yml: |
    global:
      scrape_interval:     15s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
      evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.
    alerting:
      alertmanagers:
        - static_configs:
            - targets: 
               - 10.10.10.160:9093
    rule_files:
      - "/etc/prometheus/rules.yml"
    scrape_configs:
      - job_name: "prometheus"
        static_configs:
        - targets: ["localhost:9090"]
      - job_name: "alertmanager"
        static_configs:
        - targets: ["10.10.10.160:9093"]
      - job_name: 'consul-app-prometheus'
        metrics_path: "/actuator/prometheus"          
        consul_sd_configs:            # 配置基于consul的服务发现
        - server:  172.16.5.37:8500   # consul
          refresh_interval: 10s       # 刷新间隔
          services: ['application']

        relabel_configs: # 把__meta_consul_service_id 映射主机名
        - source_labels: [__meta_consul_service_id]
          separator: ;
          regex: (.*)
          target_label: 'instance'
          replacement: $1
          action: replace
        - source_labels: [__meta_consul_service_address] #映射主机IP
          separator: ;
          regex: (.*)
          target_label: 'ip'
          replacement: $1
          action: replace
        - source_labels: [__meta_consul_service]
          target_label: 'service'

  rules.yml: |
    groups:
    - name: jvm告警
      rules:
      - alert: 频繁FullGC
        expr: increase(jvm_gc_pause_seconds_sum[5m]) > 1
        for: 1m
        labels:
          severity: 警告
        annotations:
          summary: "检测到频繁的 Full GC"
          description: "{{$labels.instance}} 正在经历频繁的 Full GC 事件"