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:       #指定alertmanager报警组件地址
  alertmanagers:
  - static_configs:
    - targets: [ '192.168.188.2:9093']

rule_files:  #指定报警规则文件
  - "*rules.yml"

scrape_configs:
  - job_name: 'prometheus'
    static_configs:
      - targets: ['192.168.188.2:9090']
	  
  - job_name: 'node'
    static_configs:
      - targets: ['192.168.188.3:9100']

  - job_name: 'alertmanager'
    static_configs:
      - targets: [ '192.168.188.2:9093']

groups:
- name: example #定义规则组
  rules:
  - alert: InstanceDown  #定义报警名称
    expr: up == 0   #Promql语句，触发规则
    for: 1m            # 一分钟
    labels:       #标签定义报警的级别和主机
      name: instance
      severity: Critical
    annotations:  #注解
      summary: " {{ $labels.appname }}" #报警摘要，取报警信息的appname名称
      description: " 服务停止运行 "   #报警信息
      value: "{{ $value }}%"  # 当前报警状态值
- name: Host
  rules:
  - alert: HostMemory Usage
    expr: (node_memory_MemTotal_bytes - (node_memory_MemFree_bytes + node_memory_Buffers_bytes + node_memory_Cached_bytes)) / node_memory_MemTotal_bytes * 100 >  80
    for: 1m
    labels:
      name: Memory
      severity: Warning
    annotations:
      summary: " {{ $labels.appname }} "
      description: "宿主机内存使用率超过80%."
      value: "{{ $value }}"
  - alert: HostCPU Usage
    expr: sum(avg without (cpu)(irate(node_cpu_seconds_total{mode!='idle'}[5m]))) by (instance,appname) > 0.65
    for: 1m
    labels:
      name: CPU
      severity: Warning
    annotations:
      summary: " {{ $labels.appname }} "
      description: "宿主机CPU使用率超过65%."
      value: "{{ $value }}"
  - alert: HostLoad
    expr: node_load5 > 4
    for: 1m
    labels:
      name: Load
      severity: Warning
    annotations:
      summary: "{{ $labels.appname }} "
      description: " 主机负载5分钟超过4."
      value: "{{ $value }}"
  - alert: HostFilesystem Usage
    expr: 1-(node_filesystem_free_bytes / node_filesystem_size_bytes) >  0.8
    for: 1m
    labels:
      name: Disk
      severity: Warning
    annotations:
      summary: " {{ $labels.appname }} "
      description: " 宿主机 [ {{ $labels.mountpoint }} ]分区使用超过80%."
      value: "{{ $value }}%"
  - alert: HostDiskio
    expr: irate(node_disk_writes_completed_total{job=~"Host"}[1m]) > 10
    for: 1m
    labels:
      name: Diskio
      severity: Warning
    annotations:
      summary: " {{ $labels.appname }} "
      description: " 宿主机 [{{ $labels.device }}]磁盘1分钟平均写入IO负载较高."
      value: "{{ $value }}iops"
  - alert: Network_receive
    expr: irate(node_network_receive_bytes_total{device!~"lo|bond[0-9]|cbr[0-9]|veth.*|virbr.*|ovs-system"}[5m]) / 1048576  > 3
    for: 1m
    labels:
      name: Network_receive
      severity: Warning
    annotations:
      summary: " {{ $labels.appname }} "
      description: " 宿主机 [{{ $labels.device }}] 网卡5分钟平均接收流量超过3Mbps."
      value: "{{ $value }}3Mbps"
  - alert: Network_transmit
    expr: irate(node_network_transmit_bytes_total{device!~"lo|bond[0-9]|cbr[0-9]|veth.*|virbr.*|ovs-system"}[5m]) / 1048576  > 3
    for: 1m
    labels:
      name: Network_transmit
      severity: Warning
    annotations:
      summary: " {{ $labels.appname }} "
      description: " 宿主机 [{{ $labels.device }}] 网卡5分钟内平均发送流量超过3Mbps."
      value: "{{ $value }}3Mbps"
- name: Container
  rules:
  - alert: ContainerCPU Usage
    expr: (sum by(name,instance) (rate(container_cpu_usage_seconds_total{image!=""}[5m]))*100) > 60
    for: 1m
    labels:
      name: CPU
      severity: Warning
    annotations:
      summary: "{{ $labels.name }} "
      description: " 容器CPU使用超过60%."
      value: "{{ $value }}%"
  - alert: ContainerMem Usage
    expr:  container_memory_usage_bytes{name=~".+"}  / 1048576 > 1024
    for: 1m
    labels:
      name: Memory
      severity: Warning
    annotations:
      summary: "{{ $labels.name }} "
      description: " 容器内存使用超过1GB."
      value: "{{ $value }}G"

- name: node_usage_record_rules
  interval: 2m
  rules:
  - record: cpu:usage:rate1m
    expr: (1 - avg(rate(node_cpu_seconds_total{mode="idle"}[1m])) by (job,instance)) * 100
  - record: mem:usage:rate1m
    expr: (1 - node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes) * 100