Prometheus配置监控ip、端口连通，get、post接口

prometheus.yml

位置：/etc/prometheus/prometheus.yml

# 全局配置
global:
  # 默认拉取频率
  scrape_interval: 15s
  # 拉取超时时间
  scrape_timeout: 10s
  # 评估规则频率
  evaluation_interval: 15s

# 规则文件配置
rule_files: ['/etc/prometheus/rules/*.yml']

# 告警配置  
alerting:
  alertmanagers:
  - follow_redirects: true
    scheme: http
    timeout: 10s
    api_version: v2
    static_configs:
    - targets: []

# 拉取配置，添加监控项
scrape_configs:

# 监控prometheus
- job_name: prometheus
  metrics_path: /metrics
  static_configs:
  - targets:
    - localhost:9090

# 监控ip是否能ping通，docker启动的blackbox-exporter不建议用此监控，可能会有报错
- job_name: icmp_ping
  metrics_path: /probe
  params:
    module: [icmp]
  file_sd_configs:
  - files: ['/etc/prometheus/conf.d/icmp_ping/*.yml']
    refresh_interval: 10s
  relabel_configs:
  - source_labels: [__address__]
    regex: (.*)(:80)?
    target_label: __param_target
    replacement: ${1}
  - source_labels: [__param_target]
    target_label: instance
  - source_labels: [__param_target]
    regex: (.*)
    target_label: ping
    replacement: ${1}
  - source_labels: []
    regex: .*
    target_label: __address__
    replacement: 192.168.7.254:9115

# 监控端口是否能连通
- job_name: tcp_port
  metrics_path: /probe
  params:
    module: [tcp_connect]
  file_sd_configs:
  - files: ['/etc/prometheus/conf.d/tcp_port/*.yml']
    refresh_interval: 10s
  relabel_configs:
  - source_labels: [__address__]
    target_label: __param_target
  - source_labels: [__param_target]
    target_label: instance
  - target_label: __address__
    replacement: 192.168.7.254:9115 

# 监控get请求
- job_name: http_get
  metrics_path: /probe
  params:
    module: [http_2xx]
  file_sd_configs: 
  - files: ['/etc/prometheus/conf.d/http_get/*.yml']
    refresh_interval: 10s
  relabel_configs:
  - source_labels: [__address__]
    target_label: __param_target
  - source_labels: [__param_target]
    target_label: instance
  - target_label: __address__
    replacement: 192.168.7.254:9115

# 监控post请求
- job_name: http_post
  metrics_path: /probe
  params:
    module: [http_post_2xx]
  file_sd_configs: 
  - files: ['/etc/prometheus/conf.d/http_post/*.yml']
    refresh_interval: 10s
  relabel_configs:
  - source_labels: [__address__]
    target_label: __param_target
  - source_labels: [__param_target]
    target_label: instance
  - target_label: __address__
    replacement: 192.168.7.254:9115

# 监控post请求，有参数{"token":"prometheus_post_check_token"}
- job_name: http_post_with_token
  metrics_path: /probe
  params:
    module: [http_post_2xx_with_prometheus_post_check_token]
  file_sd_configs:
  - files: ['/etc/prometheus/conf.d/http_post_with_token/*.yml']
    refresh_interval: 10s
  relabel_configs:
  - source_labels: [__address__]
    target_label: __param_target
  - source_labels: [__param_target]
    target_label: instance
  - target_label: __address__
    replacement: 192.168.7.254:9115

rules.yml

位置：/etc/prometheus/rules/rules.yml

groups:
- name: probe_http_status_code
  rules:
  - alert: probe_http_status_code
    expr: probe_http_status_code != 200
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: "{{ $labels.instance }}  状态码异常"
      description: "请尽快检测"
groups:
- name: probe_success
  rules:
  - alert: probe_success
    expr: probe_success == 0
    for: 1m
    labels:
      severity: critical
    annotations:
      summary: "接口/主机/端口 {{ $labels.instance }}  无法联通"
      description: "请尽快检测"

blackbox.yml

位置：/usr/local/blackbox_exporter/blackbox.yml（取决于blackbox_exporter的安装位置）

modules:
  http_2xx:
    prober: http
  http_post_2xx:
    prober: http
    http:
      method: POST
  tcp_connect:
    prober: tcp
  pop3s_banner:
    prober: tcp
    tcp:
      query_response:
      - expect: "^+OK"
      tls: true
      tls_config:
        insecure_skip_verify: false
  grpc:
    prober: grpc
    grpc:
      tls: true
      preferred_ip_protocol: "ip4"
  grpc_plain:
    prober: grpc
    grpc:
      tls: false
      service: "service1"
  ssh_banner:
    prober: tcp
    tcp:
      query_response:
      - expect: "^SSH-2.0-"
      - send: "SSH-2.0-blackbox-ssh-check"
  irc_banner:
    prober: tcp
    tcp:
      query_response:
      - send: "NICK prober"
      - send: "USER prober prober prober :prober"
      - expect: "PING :([^ ]+)"
        send: "PONG ${1}"
      - expect: "^:[^ ]+ 001"
  icmp:
    prober: icmp

  # 上面是自带的，下面是自定义的
  http_post_2xx_with_prometheus_post_check_token:
    prober: http
    http:
      method: POST
      headers:
        Content-Type: application/json   #添加头部
      body: '{"token":"prometheus_post_check_token"}'  #发送的相关数据

icmp_ping.yml

位置：/etc/prometheus/conf.d/icmp_ping/icmp_ping.yml

- targets: ['192.168.7.254', '192.168.10.200']
  labels:
    group: 'ping监控'

tcp_port.yml

位置：/etc/prometheus/conf.d/tcp_port/tcp_port.yml

- targets: ['192.168.7.254:8082', '192.168.7.254:8083']
  labels:
    group: '端口监控'

http_get.yml

位置：/etc/prometheus/conf.d/http_get/http_get.yml

- targets:
  - http://192.168.7.254:8082/api/heartbeat/check/
  labels:
    name: 'get测试'

- targets:
  - http://192.168.7.254:8083/api/heartbeat/check_test/
  labels:
    name: 'get测试2'

http_post.yml

位置：/etc/prometheus/conf.d/http_post/http_post.yml

- targets:
  - http://192.168.7.254:8082/api/heartbeat/post_check/
  labels:
    name: 'post测试'

http_post_with_token.yml

位置：/etc/prometheus/conf.d/http_post_with_token/http_post_with_token.yml

- targets:
  - http://192.168.7.254:8082/api/heartbeat/post_check/
  labels:
    name: 'post带body测试'