• SRE
• Tools
• CloudProber

Describe SRE/Tools/CloudProber here.

• https://github.com/cloudprober/cloudprober

• Config

  cat > /tmp/cloudprober.cfg << 'EOF'
  probe {
    name: "ping-8.8.8.8"
    type: PING
    targets {
      host_names: "8.8.8.8"
    }
    interval: "5s"
    timeout: "2s"
  
    ping_probe {
      use_datagram_socket: false   # change to true if you ever get permission issues
    }
  }
  
  # Optional: also ping Cloudflare and Quad9 for comparison
  probe {
    name: "ping-cloudflare"
    type: PING
    targets {
      host_names: "1.1.1.1"
    }
    interval: "10s"
    timeout: "2s"
  }
  
  surfacer {
    type: PROMETHEUS
  }
  EOF

• Run the prober

  docker run -it --rm \
    --cap-add=NET_RAW \
    -v /tmp/cloudprober.cfg:/etc/cloudprober.cfg \
    -p 9313:9313 \
    ghcr.io/cloudprober/cloudprober \
    --config_file=/etc/cloudprober.cfg

• View the prometheus export

  # 3. Watch live (updates every few seconds)
  watch -n 2 'curl -s http://localhost:9313/metrics | grep -E "(total|success|latency)" | grep ping-google-dns'