如何設置Prometheus，grafana和blackbox_exporter以ping丟失率

Question

我正在嘗試使用Prometheus，grafana和blackbox_exporter通過ping（icmp）監視我的服務器。 我們最近面對網絡不穩定，但是我的設置無法顯示警報。 我想知道我應該使用“ probe_duration_seconds”還是其他探測方法？

grfana設置指標：probe_duration_seconds和Panel數據源為prometheus

blackbox.yml：

modules:
  icmp:                                                                                                                                                                                       
    prober: icmp                                                                                                                                                                              
    timeout: 5s                                                                                                                                                                               
    icmp:                                                                                                                                                                                     
      protocol: "icmp"                                                                                                                                                                        
      preferred_ip_protocol: "ip4"                       

prometheus.yml：

global:                                                                                                                                                                                       
  scrape_interval:     15s                                                                                                                                                                                                  
  external_labels:                                                                                                                                                                            
    monitor: 'codelab-monitor'                                                                                                                                                                
scrape_configs:                                                                                                                                                                               
  - job_name: 'blackbox'                                                                                                                                                                      
    scrape_interval: 5s                                                                                                                                                                       
    metrics_path: /probe                                                                                                                                                                      
    params:                                                                                                                                                                                   
      module: [icmp] #ping                                                                                                                                                                    
    static_configs:                                                                                                                                                                           
      - targets: ['192.168.1.29']                                                                                                                                                            
        labels:                                                                                                                                                                               
          group: 'env A'                                                                                                                                                                   
      - targets: ['192.168.2.185', '192.168.3.185', '192.168.4.185']                                           
        labels:                                                                                                                                                                               
          group: 'env B' 
    relabel_configs:                                                                                                                                                                          
      - source_labels: [__address__]                                                                                                                                                          
        regex: (.*)(:80)?                                                                                                                                                                     
        target_label: __param_target                                                                                                                                                          
        replacement: ${1}                                                                                                                                                                     
      - source_labels: [__param_target]                                                                                                                                                       
        regex: (.*)                                                                                                                                                                           
        target_label: instance                                                                                                                                                                
        replacement: ${1}                                                                                                                                                                     
      - source_labels: []                                                                                                                                                                     
        regex: .*                                                                                                                                                                             
        target_label: __address__                                                                                                                                                             
        replacement: 127.0.0.1:9115

Answer 1

根據ping是否成功， probe_success將為1/0。