Prometheus 自用配置文件-笔记 – 21运维
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Prometheus 自用配置文件-笔记

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记录下自己线上服务器一个简单的prometheus.yml配置文件,部分敏感信息抹除:

[[email protected] rule]# cat ../prometheus.yml
# my global config
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.
  # scrape_timeout is set to the global default (10s).

# Alertmanager configuration:告警配置,集成alertmanager插件
alerting:
  alertmanagers:
  - static_configs:
    - targets:
       - 127.0.0.1:9093

# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
rule_files:
    - "rule/*.yml"


# A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
scrape_configs:
  # The job name is added as a label `job=` to any timeseries scraped from this config.
  - job_name: 'cn-hz-21yunwei-devops'
    # metrics_path defaults to '/metrics'
    # scheme defaults to 'http'.
    static_configs:
    - targets: ['cn-hz-21yunwei-devops:9100']

#通过配置file 获取target,记录21yunwei的 web
  - job_name: 'cn-hz-21yunwei-other'
    file_sd_configs:
    - files:
      - file_config/21yunwei/host.json

#判断告警搜 probe_success
## tcp端口检测
  - job_name: "tcp_port_check"
    scrape_interval: 15s
    scrape_timeout: 15s
    metrics_path: /probe
    params:
      module: [tcp_connect]
    file_sd_configs:
    - files:
      - check/port/*_port.json

    relabel_configs:
      - source_labels: [__address__]
        target_label: __param_target
      - source_labels: [__param_target]
        target_label: instance
      - target_label: __address__
        replacement: ******:9115

## 判断状态码搜 probe_http_status_code
## 接口检测
  - job_name: 'http_url_check'
    scrape_interval: 15s
    scrape_timeout: 15s
    metrics_path: /probe
    params:
      module: [http_2xx]  # Look for a HTTP 200 response.

    file_sd_configs:
    - files:
      - check/url/*_url.json    

    relabel_configs:
      - source_labels: [__address__]
        target_label: __param_target
      - source_labels: [__param_target]
        target_label: instance
      - target_label: __address__
        replacement: *******:9115  

### ICMP检测
  - job_name: 'icmp_check'
    scrape_interval: 15s
    scrape_timeout: 15s
    metrics_path: /probe
    params:
      module: [icmp]

    file_sd_configs:
    - files:
      - check/icmp/*_icmp.json

    relabel_configs:
      - source_labels: [__address__]
        target_label: __param_target
      - source_labels: [__param_target]
        target_label: instance
      - target_label: __address__
        replacement: ******:9115

很简单但是实用:
(1)配置global参数(采集周期以及规则扫描周期);
(2)集成alertmanager插件,用于后续报警操作;
(3)设定报警rule 加载目录;
(4)设定采集对象。这里既有静态设置也有设置服务发现。(服务发现用于后续target更改只需要进行规则修改即可,不需要进行prometheus守护进程重启)
(5)设定功能检测。 这里定义了icmp、tcp_port、url三种check,分别通过调用blackbox_exporter来实现。

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